diff --git a/vegafusion-core/src/planning/lift_facet_aggregations.rs b/vegafusion-core/src/planning/lift_facet_aggregations.rs
index 46c42d0c..1a15efc5 100644
--- a/vegafusion-core/src/planning/lift_facet_aggregations.rs
+++ b/vegafusion-core/src/planning/lift_facet_aggregations.rs
@@ -64,6 +64,18 @@ impl ExtractFacetAggregationsVisitor {
         }
         Ok(())
     }
+
+    fn num_children_of_dataset(&self, name: &str, scope: &[u32]) -> usize {
+        let facet_dataset_var: ScopedVariable = (Variable::new_data(&name), Vec::from(scope));
+        let Some(facet_dataset_idx) = self.node_indexes.get(&facet_dataset_var) else {
+            return 0;
+        };
+        let edges = self
+            .graph
+            .edges_directed(*facet_dataset_idx, Direction::Outgoing);
+        let edges_vec = edges.into_iter().collect::<Vec<_>>();
+        edges_vec.len()
+    }
 }
 
 impl MutChartVisitor for ExtractFacetAggregationsVisitor {
@@ -76,123 +88,152 @@ impl MutChartVisitor for ExtractFacetAggregationsVisitor {
         };
 
         // Check for child datasets
-        let facet_dataset_var: ScopedVariable = (Variable::new_data(&facet.name), Vec::from(scope));
-        let Some(facet_dataset_idx) = self.node_indexes.get(&facet_dataset_var) else {
-            return Ok(());
-        };
-        let edges = self
-            .graph
-            .edges_directed(*facet_dataset_idx, Direction::Outgoing);
-        let edges_vec = edges.into_iter().collect::<Vec<_>>();
-        if edges_vec.len() != 1 {
-            // We don't have exactly one child dataset so we cannot lift
+        let num_facet_children = self.num_children_of_dataset(&facet.name, scope);
+        if num_facet_children != 1 {
+            // We don't have exactly one child dataset, so we cannot lift
             return Ok(());
         }
 
-        // Collect datasets that are immediate children of the facet dataset
-        let mut child_datasets = mark
-            .data
-            .iter_mut()
-            .filter(|d| d.source.as_ref() == Some(&facet.name))
-            .collect::<Vec<_>>();
-
-        if child_datasets.len() != 1 {
-            // Child dataset isn't located in this facet's dataset.
-            // I don't think this shouldn't happen, but bail out in case
+        let mark_datasets = mark.data.clone();
+        let mut child_dataset = if let Some(idx) = mark_datasets
+            .iter()
+            .position(|d| d.source.as_ref() == Some(&facet.name.to_string()))
+        {
+            &mut mark.data[idx]
+        } else {
             return Ok(());
-        }
+        };
 
-        let child_dataset = &mut child_datasets[0];
-        let Some(TransformSpec::Aggregate(mut agg)) = child_dataset.transform.get(0).cloned()
-        else {
-            // dataset does not have a aggregate transform as the first transform, nothing to lift
-            return Ok(());
+        let mut lifted_transforms: Vec<TransformSpec> = Vec::new();
+
+        let agg = loop {
+            match child_dataset.transform.get(0).cloned() {
+                None => {
+                    // End of transforms for this dataset, advance to child dataset if possible
+                    if self.num_children_of_dataset(&child_dataset.name, scope) != 1 {
+                        break None;
+                    }
+
+                    if let Some(idx) = mark_datasets
+                        .iter()
+                        .position(|d| d.source.as_ref() == Some(&child_dataset.name))
+                    {
+                        child_dataset = &mut mark.data[idx]
+                    } else {
+                        break None;
+                    };
+                }
+                Some(TransformSpec::Aggregate(agg)) => {
+                    // Reached an aggregation, bail out
+                    child_dataset.transform.remove(0);
+                    break Some(agg);
+                }
+                Some(TransformSpec::Formula(tx)) => {
+                    lifted_transforms.push(TransformSpec::Formula(tx));
+                    child_dataset.transform.remove(0);
+                }
+                Some(TransformSpec::Filter(tx)) => {
+                    lifted_transforms.push(TransformSpec::Filter(tx));
+                    child_dataset.transform.remove(0);
+                }
+                _ => {
+                    // Reached unsupported transform type without an aggregation
+                    break None;
+                }
+            }
         };
 
-        // Add facet groupby fields as aggregate transform groupby fields
-        let facet_groupby_fields: Vec<Field> = facet
-            .groupby
-            .clone()
-            .unwrap_or_default()
-            .to_vec()
-            .into_iter()
-            .map(Field::String)
-            .collect();
+        if let Some(mut agg) = agg {
+            // Add facet groupby fields as aggregate transform groupby fields
+            let facet_groupby_fields: Vec<Field> = facet
+                .groupby
+                .clone()
+                .unwrap_or_default()
+                .to_vec()
+                .into_iter()
+                .map(Field::String)
+                .collect();
 
-        agg.groupby.extend(facet_groupby_fields.clone());
+            agg.groupby.extend(facet_groupby_fields.clone());
 
-        let mut lifted_transforms: Vec<TransformSpec> = Vec::new();
+            // When the facet defines an aggregation, we need to perform it with a joinaggregate
+            // prior to the lifted aggregation.
+            //
+            // Leave `cross` field as-is
+            if let Some(facet_aggregate) = &mut facet.aggregate {
+                if facet_aggregate.fields.is_some()
+                    && facet_aggregate.ops.is_some()
+                    && facet_aggregate.as_.is_some()
+                {
+                    // Add joinaggregate transform that performs the facet's aggregation using the same
+                    // grouping columns as the facet
+                    lifted_transforms.push(TransformSpec::JoinAggregate(
+                        JoinAggregateTransformSpec {
+                            groupby: Some(facet_groupby_fields),
+                            fields: facet_aggregate.fields.clone().unwrap(),
+                            ops: facet_aggregate.ops.clone().unwrap(),
+                            as_: facet_aggregate.as_.clone(),
+                            extra: Default::default(),
+                        },
+                    ));
 
-        // When the facet defines an aggregation, we need to perform it with a joinaggregate
-        // prior to the lifted aggregation.
-        //
-        // Leave `cross` field as-is
-        if let Some(facet_aggregate) = &mut facet.aggregate {
-            if facet_aggregate.fields.is_some()
-                && facet_aggregate.ops.is_some()
-                && facet_aggregate.as_.is_some()
-            {
-                // Add joinaggregate transform that performs the facet's aggregation using the same
-                // grouping columns as the facet
-                lifted_transforms.push(TransformSpec::JoinAggregate(JoinAggregateTransformSpec {
-                    groupby: Some(facet_groupby_fields),
-                    fields: facet_aggregate.fields.clone().unwrap(),
-                    ops: facet_aggregate.ops.clone().unwrap(),
-                    as_: facet_aggregate.as_.clone(),
-                    extra: Default::default(),
-                }));
+                    // Add aggregations to the lifted aggregate transform that pass through the
+                    // fields that the joinaggregate above calculates
+                    let mut new_fields = agg.fields.clone().unwrap_or_default();
+                    let mut new_ops = agg.ops.clone().unwrap_or_default();
+                    let mut new_as = agg.as_.clone().unwrap_or_default();
 
-                // Add aggregations to the lifted aggregate transform that pass through the
-                // fields that the joinaggregate above calculates
-                let mut new_fields = agg.fields.clone().unwrap_or_default();
-                let mut new_ops = agg.ops.clone().unwrap_or_default();
-                let mut new_as = agg.as_.clone().unwrap_or_default();
+                    new_fields.extend(
+                        facet_aggregate
+                            .as_
+                            .clone()
+                            .unwrap()
+                            .into_iter()
+                            .map(|s| s.map(Field::String)),
+                    );
+                    // Use min aggregate to pass through single unique value
+                    new_ops.extend(facet_aggregate.ops.iter().map(|_| AggregateOpSpec::Min));
+                    new_as.extend(facet_aggregate.as_.clone().unwrap());
 
-                new_fields.extend(
-                    facet_aggregate
-                        .as_
-                        .clone()
-                        .unwrap()
-                        .into_iter()
-                        .map(|s| s.map(Field::String)),
-                );
-                // Use min aggregate to pass through single unique value
-                new_ops.extend(facet_aggregate.ops.iter().map(|_| AggregateOpSpec::Min));
-                new_as.extend(facet_aggregate.as_.clone().unwrap());
+                    agg.fields = Some(new_fields);
+                    agg.ops = Some(new_ops);
+                    agg.as_ = Some(new_as);
 
-                agg.fields = Some(new_fields);
-                agg.ops = Some(new_ops);
-                agg.as_ = Some(new_as);
+                    // Update facet aggregate to pass through the fields compute in joinaggregate
+                    facet_aggregate.fields = Some(
+                        facet_aggregate
+                            .as_
+                            .clone()
+                            .unwrap()
+                            .into_iter()
+                            .map(|s| s.map(Field::String))
+                            .collect(),
+                    );
+                    facet_aggregate.ops = Some(
+                        facet_aggregate
+                            .ops
+                            .iter()
+                            .map(|_| AggregateOpSpec::Min)
+                            .collect(),
+                    );
+                } else if facet_aggregate.fields.is_some()
+                    || facet_aggregate.ops.is_some()
+                    || facet_aggregate.as_.is_some()
+                {
+                    // Not all of fields, ops, and as are defined so skip lifting
+                    return Ok(());
+                }
+            }
 
-                // Update facet aggregate to pass through the fields compute in joinaggregate
-                facet_aggregate.fields = Some(
-                    facet_aggregate
-                        .as_
-                        .clone()
-                        .unwrap()
-                        .into_iter()
-                        .map(|s| s.map(Field::String))
-                        .collect(),
-                );
-                facet_aggregate.ops = Some(
-                    facet_aggregate
-                        .ops
-                        .iter()
-                        .map(|_| AggregateOpSpec::Min)
-                        .collect(),
-                );
-            } else if facet_aggregate.fields.is_some()
-                || facet_aggregate.ops.is_some()
-                || facet_aggregate.as_.is_some()
-            {
-                // Not all of fields, ops, and as are defined so skip lifting
+            // Add lifted aggregate transform, potentially after the joinaggregate transform
+            lifted_transforms.push(TransformSpec::Aggregate(agg));
+        } else {
+            if lifted_transforms.is_empty() {
+                // No supported transforms found
                 return Ok(());
             }
         }
 
-        // Add lifted aggregate transform, potentially after the joinaggregate transform
-        lifted_transforms.push(TransformSpec::Aggregate(agg));
-
         // Create facet dataset name and increment counter to keep names unique even if the same
         // source dataset is used in multiple facets
         let facet_dataset_name = format!("{}_facet_{}{}", facet.data, facet.name, self.counter);
@@ -223,9 +264,6 @@ impl MutChartVisitor for ExtractFacetAggregationsVisitor {
             .or_default()
             .push(new_dataset);
 
-        // Remove leading aggregate transform from child dataset
-        child_dataset.transform.remove(0);
-
         // Rename source dataset in facet
         facet.data = facet_dataset_name;
 
diff --git a/vegafusion-runtime/tests/specs/custom/facet_lift_area.comm_plan.json b/vegafusion-runtime/tests/specs/custom/facet_lift_area.comm_plan.json
new file mode 100644
index 00000000..e8d5a432
--- /dev/null
+++ b/vegafusion-runtime/tests/specs/custom/facet_lift_area.comm_plan.json
@@ -0,0 +1,35 @@
+{
+  "server_to_client": [
+    {
+      "name": "data_2",
+      "namespace": "data",
+      "scope": []
+    },
+    {
+      "name": "data_2_x_domain_day_0",
+      "namespace": "data",
+      "scope": []
+    },
+    {
+      "name": "data_3",
+      "namespace": "data",
+      "scope": []
+    },
+    {
+      "name": "data_3_x_domain_day_1",
+      "namespace": "data",
+      "scope": []
+    },
+    {
+      "name": "row_domain",
+      "namespace": "data",
+      "scope": []
+    },
+    {
+      "name": "tips_facet_facet0",
+      "namespace": "data",
+      "scope": []
+    }
+  ],
+  "client_to_server": []
+}
\ No newline at end of file
diff --git a/vegafusion-runtime/tests/specs/custom/facet_lift_area.vg.json b/vegafusion-runtime/tests/specs/custom/facet_lift_area.vg.json
new file mode 100644
index 00000000..1fe0be5c
--- /dev/null
+++ b/vegafusion-runtime/tests/specs/custom/facet_lift_area.vg.json
@@ -0,0 +1,2639 @@
+{
+  "$schema": "https://vega.github.io/schema/vega/v5.json",
+  "background": "white",
+  "padding": {"bottom": 20, "right": 20},
+  "data": [
+    {"name": "pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_store"},
+    {
+      "name": "tips",
+      "values": [
+        {
+          "total_bill": 16.99,
+          "tip": 1.01,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 10.34,
+          "tip": 1.66,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 21.01,
+          "tip": 3.5,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 23.68,
+          "tip": 3.31,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 24.59,
+          "tip": 3.61,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 4
+        },
+        {
+          "total_bill": 25.29,
+          "tip": 4.71,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 4
+        },
+        {
+          "total_bill": 8.77,
+          "tip": 2,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 26.88,
+          "tip": 3.12,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 4
+        },
+        {
+          "total_bill": 15.04,
+          "tip": 1.96,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 14.78,
+          "tip": 3.23,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 10.27,
+          "tip": 1.71,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 35.26,
+          "tip": 5,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 4
+        },
+        {
+          "total_bill": 15.42,
+          "tip": 1.57,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 18.43,
+          "tip": 3,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 4
+        },
+        {
+          "total_bill": 14.83,
+          "tip": 3.02,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 21.58,
+          "tip": 3.92,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 10.33,
+          "tip": 1.67,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 16.29,
+          "tip": 3.71,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 16.97,
+          "tip": 3.5,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 20.65,
+          "tip": 3.35,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 17.92,
+          "tip": 4.08,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 20.29,
+          "tip": 2.75,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 15.77,
+          "tip": 2.23,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 39.42,
+          "tip": 7.58,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 4
+        },
+        {
+          "total_bill": 19.82,
+          "tip": 3.18,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 17.81,
+          "tip": 2.34,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 4
+        },
+        {
+          "total_bill": 13.37,
+          "tip": 2,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 12.69,
+          "tip": 2,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 21.7,
+          "tip": 4.3,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 19.65,
+          "tip": 3,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 9.55,
+          "tip": 1.45,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 18.35,
+          "tip": 2.5,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 4
+        },
+        {
+          "total_bill": 15.06,
+          "tip": 3,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 20.69,
+          "tip": 2.45,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 4
+        },
+        {
+          "total_bill": 17.78,
+          "tip": 3.27,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 24.06,
+          "tip": 3.6,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 16.31,
+          "tip": 2,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 16.93,
+          "tip": 3.07,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 18.69,
+          "tip": 2.31,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 31.27,
+          "tip": 5,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 16.04,
+          "tip": 2.24,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 17.46,
+          "tip": 2.54,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 13.94,
+          "tip": 3.06,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 9.68,
+          "tip": 1.32,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 30.4,
+          "tip": 5.6,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 4
+        },
+        {
+          "total_bill": 18.29,
+          "tip": 3,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 22.23,
+          "tip": 5,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
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+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 18.78,
+          "tip": 3,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Thur",
+          "time": "Dinner",
+          "size": 2
+        }
+      ]
+    },
+    {
+      "name": "row_domain",
+      "source": "tips",
+      "transform": [{"type": "aggregate", "groupby": ["smoker"]}]
+    },
+    {
+      "name": "data_2",
+      "source": "tips",
+      "transform": [
+        {
+          "type": "aggregate",
+          "groupby": ["day", "smoker"],
+          "ops": ["sum"],
+          "fields": ["tip"],
+          "as": ["sum_tip"]
+        }
+      ]
+    },
+    {
+      "name": "data_3",
+      "source": "data_2",
+      "transform": [
+        {
+          "type": "filter",
+          "expr": "isValid(datum[\"sum_tip\"]) && isFinite(+datum[\"sum_tip\"])"
+        }
+      ]
+    }
+  ],
+  "signals": [
+    {
+      "name": "unit",
+      "value": {},
+      "on": [
+        {"events": "pointermove", "update": "isTuple(group()) ? group() : unit"}
+      ]
+    },
+    {
+      "name": "pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f",
+      "update": "vlSelectionResolve(\"pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_store\", \"union\", true, true)"
+    },
+    {
+      "name": "cursor",
+      "value": "default",
+      "on": [
+        {
+          "events": "mousemove",
+          "update": "if(isDefined((group()).bounds), if(item().mark.marktype != 'group', 'default', 'crosshair'), 'default')"
+        }
+      ]
+    },
+    {
+      "name": "width",
+      "init": "isFinite(containerSize()[0]) ? containerSize()[0] : 120",
+      "on": [
+        {
+          "update": "isFinite(containerSize()[0]) ? containerSize()[0] : 120",
+          "events": "window:resize"
+        }
+      ]
+    },
+    {
+      "name": "height",
+      "init": "isFinite(containerSize()[1]) ? containerSize()[1] : 120",
+      "on": [
+        {
+          "update": "isFinite(containerSize()[1]) ? containerSize()[1] : 120",
+          "events": "window:resize"
+        }
+      ]
+    },
+    {"name": "child_width", "update": "width"},
+    {"name": "min_width", "update": "240"},
+    {"name": "child_height", "update": "height / length(data('row_domain'))"},
+    {"name": "min_height", "update": "120 * length(data('row_domain'))"}
+  ],
+  "layout": {
+    "padding": 20,
+    "offset": {"rowTitle": 10},
+    "columns": 1,
+    "bounds": "full",
+    "align": "all"
+  },
+  "marks": [
+    {
+      "name": "row-title",
+      "type": "group",
+      "role": "row-title",
+      "title": {
+        "text": "smoker",
+        "orient": "left",
+        "style": "guide-title",
+        "offset": 10
+      }
+    },
+    {
+      "name": "row_header",
+      "type": "group",
+      "role": "row-header",
+      "from": {"data": "row_domain"},
+      "sort": {"field": "datum[\"smoker\"]", "order": "ascending"},
+      "title": {
+        "text": {
+          "signal": "isValid(parent[\"smoker\"]) ? parent[\"smoker\"] : \"\"+parent[\"smoker\"]"
+        },
+        "orient": "left",
+        "style": "guide-label",
+        "frame": "group",
+        "offset": 10
+      },
+      "encode": {"update": {"height": {"signal": "child_height"}}},
+      "axes": [
+        {
+          "scale": "y",
+          "orient": "left",
+          "grid": false,
+          "title": "Sum of tip",
+          "labelFlush": false,
+          "labels": true,
+          "ticks": true,
+          "labelOverlap": true,
+          "tickCount": {"signal": "ceil(child_height/40)"},
+          "encode": {"labels": {"update": {"text": {"signal": "datum.value"}}}},
+          "zindex": 0
+        }
+      ]
+    },
+    {
+      "name": "column_footer",
+      "type": "group",
+      "role": "column-footer",
+      "encode": {"update": {"width": {"signal": "child_width"}}},
+      "axes": [
+        {
+          "scale": "x",
+          "orient": "bottom",
+          "grid": false,
+          "title": "day",
+          "labelFlush": false,
+          "labelOverlap": "greedy",
+          "labels": true,
+          "ticks": true,
+          "labelAlign": "right",
+          "labelAngle": 270,
+          "labelBaseline": "middle",
+          "zindex": 0
+        }
+      ]
+    },
+    {
+      "name": "cell",
+      "type": "group",
+      "style": "cell",
+      "from": {
+        "facet": {"name": "facet", "data": "tips", "groupby": ["smoker"]}
+      },
+      "sort": {"field": ["datum[\"smoker\"]"], "order": ["ascending"]},
+      "data": [
+        {
+          "source": "facet",
+          "name": "data_0",
+          "transform": [
+            {
+              "type": "aggregate",
+              "groupby": ["day"],
+              "ops": ["sum"],
+              "fields": ["tip"],
+              "as": ["sum_tip"]
+            }
+          ]
+        },
+        {
+          "name": "data_1",
+          "source": "data_0",
+          "transform": [
+            {
+              "type": "filter",
+              "expr": "isValid(datum[\"sum_tip\"]) && isFinite(+datum[\"sum_tip\"])"
+            }
+          ]
+        }
+      ],
+      "encode": {
+        "update": {
+          "width": {"signal": "child_width"},
+          "height": {"signal": "child_height"}
+        }
+      },
+      "signals": [
+        {
+          "name": "facet",
+          "value": {},
+          "on": [
+            {
+              "events": [{"source": "scope", "type": "pointermove"}],
+              "update": "isTuple(facet) ? facet : group(\"cell\").datum"
+            }
+          ]
+        },
+        {
+          "name": "pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_tuple",
+          "on": [
+            {
+              "events": [{"source": "scope", "type": "mouseover"}],
+              "update": "datum && item().mark.marktype !== 'group' && indexof(item().mark.role, 'legend') < 0 ? {unit: \"child_layer_0_layer_0_layer_1\" + '__facet_row_' + (facet[\"smoker\"]), fields: pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_tuple_fields, values: [(item().isVoronoi ? datum.datum : datum)[\"day\"]]} : null",
+              "force": true
+            },
+            {
+              "events": [{"source": "view", "type": "dblclick"}],
+              "update": "null"
+            }
+          ]
+        },
+        {
+          "name": "pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_tuple_fields",
+          "value": [{"type": "E", "field": "day"}]
+        },
+        {
+          "name": "pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_toggle",
+          "value": false,
+          "on": [
+            {
+              "events": [{"source": "scope", "type": "mouseover"}],
+              "update": "event.shiftKey"
+            },
+            {
+              "events": [{"source": "view", "type": "dblclick"}],
+              "update": "false"
+            }
+          ]
+        },
+        {
+          "name": "pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_modify",
+          "on": [
+            {
+              "events": {
+                "signal": "pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_tuple"
+              },
+              "update": "modify(\"pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_store\", pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_toggle ? null : pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_tuple, pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_toggle ? null : true, pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_toggle ? pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_tuple : null)"
+            }
+          ]
+        }
+      ],
+      "marks": [
+        {
+          "name": "child_layer_0_layer_0_layer_0_layer_0_marks",
+          "type": "area",
+          "clip": true,
+          "style": ["area"],
+          "sort": {"field": "datum[\"day\"]"},
+          "interactive": false,
+          "from": {"data": "data_0"},
+          "encode": {
+            "update": {
+              "opacity": {"value": 0.2},
+              "orient": {"value": "vertical"},
+              "cursor": {"value": "crosshair"},
+              "fill": {"value": "#4C78A8"},
+              "description": {
+                "signal": "\"day: \" + (isValid(datum[\"day\"]) ? datum[\"day\"] : \"\"+datum[\"day\"]) + \"; Sum of tip: \" + (datum[\"sum_tip\"])"
+              },
+              "x": {"scale": "x", "field": "day"},
+              "y": {"scale": "y", "field": "sum_tip"},
+              "y2": {"scale": "y", "value": 0},
+              "defined": {
+                "signal": "isValid(datum[\"sum_tip\"]) && isFinite(+datum[\"sum_tip\"])"
+              }
+            }
+          }
+        },
+        {
+          "name": "child_layer_0_layer_0_layer_0_layer_1_marks",
+          "type": "line",
+          "clip": true,
+          "style": ["line"],
+          "sort": {"field": "datum[\"day\"]"},
+          "interactive": false,
+          "from": {"data": "data_0"},
+          "encode": {
+            "update": {
+              "stroke": {"value": "#4C78A8"},
+              "opacity": {"value": 0.2},
+              "description": {
+                "signal": "\"day: \" + (isValid(datum[\"day\"]) ? datum[\"day\"] : \"\"+datum[\"day\"]) + \"; Sum of tip: \" + (datum[\"sum_tip\"])"
+              },
+              "x": {"scale": "x", "field": "day"},
+              "y": {"scale": "y", "field": "sum_tip"},
+              "defined": {
+                "signal": "isValid(datum[\"sum_tip\"]) && isFinite(+datum[\"sum_tip\"])"
+              }
+            }
+          }
+        },
+        {
+          "name": "child_layer_0_layer_0_layer_1_marks",
+          "type": "symbol",
+          "clip": true,
+          "style": ["point"],
+          "interactive": true,
+          "from": {"data": "data_1"},
+          "encode": {
+            "update": {
+              "tooltip": {
+                "signal": "{\"day\": isValid(datum[\"day\"]) ? datum[\"day\"] : \"\"+datum[\"day\"], \"Sum of tip\": datum[\"sum_tip\"]}"
+              },
+              "fill": {"value": "transparent"},
+              "stroke": {"value": "#4C78A8"},
+              "opacity": [
+                {
+                  "test": "length(data(\"pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_store\")) && vlSelectionTest(\"pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_store\", datum)",
+                  "value": 1
+                },
+                {"value": 0}
+              ],
+              "ariaRoleDescription": {"value": "point"},
+              "description": {
+                "signal": "\"day: \" + (isValid(datum[\"day\"]) ? datum[\"day\"] : \"\"+datum[\"day\"]) + \"; Sum of tip: \" + (datum[\"sum_tip\"])"
+              },
+              "x": {"scale": "x", "field": "day"},
+              "y": {"scale": "y", "field": "sum_tip"},
+              "size": {"value": 80}
+            }
+          }
+        },
+        {
+          "name": "child_layer_0_layer_0_layer_2_layer_0_marks",
+          "type": "area",
+          "clip": true,
+          "style": ["area"],
+          "sort": {"field": "datum[\"day\"]"},
+          "interactive": false,
+          "from": {"data": "data_0"},
+          "encode": {
+            "update": {
+              "opacity": {"value": 0.7},
+              "orient": {"value": "vertical"},
+              "fill": {"value": "#4C78A8"},
+              "description": {
+                "signal": "\"day: \" + (isValid(datum[\"day\"]) ? datum[\"day\"] : \"\"+datum[\"day\"]) + \"; Sum of tip: \" + (datum[\"sum_tip\"])"
+              },
+              "x": {"scale": "x", "field": "day"},
+              "y": {"scale": "y", "field": "sum_tip"},
+              "y2": {"scale": "y", "value": 0},
+              "defined": {
+                "signal": "isValid(datum[\"sum_tip\"]) && isFinite(+datum[\"sum_tip\"])"
+              }
+            }
+          }
+        },
+        {
+          "name": "child_layer_0_layer_0_layer_2_layer_1_marks",
+          "type": "line",
+          "clip": true,
+          "style": ["line"],
+          "sort": {"field": "datum[\"day\"]"},
+          "interactive": false,
+          "from": {"data": "data_0"},
+          "encode": {
+            "update": {
+              "stroke": {"value": "#4C78A8"},
+              "description": {
+                "signal": "\"day: \" + (isValid(datum[\"day\"]) ? datum[\"day\"] : \"\"+datum[\"day\"]) + \"; Sum of tip: \" + (datum[\"sum_tip\"])"
+              },
+              "x": {"scale": "x", "field": "day"},
+              "y": {"scale": "y", "field": "sum_tip"},
+              "defined": {
+                "signal": "isValid(datum[\"sum_tip\"]) && isFinite(+datum[\"sum_tip\"])"
+              }
+            }
+          }
+        }
+      ],
+      "axes": [
+        {
+          "scale": "x",
+          "orient": "bottom",
+          "grid": true,
+          "gridScale": "y",
+          "domain": false,
+          "labels": false,
+          "aria": false,
+          "maxExtent": 0,
+          "minExtent": 0,
+          "ticks": false,
+          "zindex": 0
+        },
+        {
+          "scale": "y",
+          "orient": "left",
+          "grid": true,
+          "gridScale": "x",
+          "tickCount": {"signal": "ceil(child_height/40)"},
+          "domain": false,
+          "labels": false,
+          "aria": false,
+          "maxExtent": 0,
+          "minExtent": 0,
+          "ticks": false,
+          "zindex": 0
+        }
+      ]
+    }
+  ],
+  "scales": [
+    {
+      "name": "x",
+      "type": "point",
+      "domain": {
+        "fields": [
+          {"data": "data_2", "field": "day"},
+          {"data": "data_3", "field": "day"}
+        ],
+        "sort": true
+      },
+      "range": [0, {"signal": "child_width"}],
+      "padding": 0.5
+    },
+    {
+      "name": "y",
+      "type": "linear",
+      "domain": {
+        "fields": [
+          {"data": "data_2", "field": "sum_tip"},
+          {"data": "data_3", "field": "sum_tip"}
+        ]
+      },
+      "range": [{"signal": "child_height"}, 0],
+      "nice": true,
+      "zero": true
+    }
+  ]
+}
\ No newline at end of file
diff --git a/vegafusion-runtime/tests/specs/custom/facet_lift_area_color.comm_plan.json b/vegafusion-runtime/tests/specs/custom/facet_lift_area_color.comm_plan.json
new file mode 100644
index 00000000..b012d5e0
--- /dev/null
+++ b/vegafusion-runtime/tests/specs/custom/facet_lift_area_color.comm_plan.json
@@ -0,0 +1,40 @@
+{
+  "server_to_client": [
+    {
+      "name": "data_0_facet_facet0",
+      "namespace": "data",
+      "scope": []
+    },
+    {
+      "name": "data_2_color_domain_sex",
+      "namespace": "data",
+      "scope": []
+    },
+    {
+      "name": "data_4",
+      "namespace": "data",
+      "scope": []
+    },
+    {
+      "name": "data_4_x_domain_day_0",
+      "namespace": "data",
+      "scope": []
+    },
+    {
+      "name": "data_5",
+      "namespace": "data",
+      "scope": []
+    },
+    {
+      "name": "data_5_x_domain_day_1",
+      "namespace": "data",
+      "scope": []
+    },
+    {
+      "name": "row_domain",
+      "namespace": "data",
+      "scope": []
+    }
+  ],
+  "client_to_server": []
+}
\ No newline at end of file
diff --git a/vegafusion-runtime/tests/specs/custom/facet_lift_area_color.vg.json b/vegafusion-runtime/tests/specs/custom/facet_lift_area_color.vg.json
new file mode 100644
index 00000000..9fc53bc5
--- /dev/null
+++ b/vegafusion-runtime/tests/specs/custom/facet_lift_area_color.vg.json
@@ -0,0 +1,2892 @@
+{
+  "$schema": "https://vega.github.io/schema/vega/v5.json",
+  "background": "white",
+  "padding": {"bottom": 20, "right": 20},
+  "data": [
+    {"name": "pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_store"},
+    {
+      "name": "tips",
+      "values": [
+        {
+          "total_bill": 16.99,
+          "tip": 1.01,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 10.34,
+          "tip": 1.66,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 21.01,
+          "tip": 3.5,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 23.68,
+          "tip": 3.31,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 24.59,
+          "tip": 3.61,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 4
+        },
+        {
+          "total_bill": 25.29,
+          "tip": 4.71,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 4
+        },
+        {
+          "total_bill": 8.77,
+          "tip": 2,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 26.88,
+          "tip": 3.12,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 4
+        },
+        {
+          "total_bill": 15.04,
+          "tip": 1.96,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 14.78,
+          "tip": 3.23,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 10.27,
+          "tip": 1.71,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 35.26,
+          "tip": 5,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 4
+        },
+        {
+          "total_bill": 15.42,
+          "tip": 1.57,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 18.43,
+          "tip": 3,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 4
+        },
+        {
+          "total_bill": 14.83,
+          "tip": 3.02,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 21.58,
+          "tip": 3.92,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 10.33,
+          "tip": 1.67,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 16.29,
+          "tip": 3.71,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 16.97,
+          "tip": 3.5,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sun",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 20.65,
+          "tip": 3.35,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 17.92,
+          "tip": 4.08,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 20.29,
+          "tip": 2.75,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 15.77,
+          "tip": 2.23,
+          "sex": "Female",
+          "smoker": "No",
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+          "total_bill": 7.74,
+          "tip": 1.44,
+          "sex": "Male",
+          "smoker": "Yes",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 30.14,
+          "tip": 3.09,
+          "sex": "Female",
+          "smoker": "Yes",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 4
+        },
+        {
+          "total_bill": 12.16,
+          "tip": 2.2,
+          "sex": "Male",
+          "smoker": "Yes",
+          "day": "Fri",
+          "time": "Lunch",
+          "size": 2
+        },
+        {
+          "total_bill": 13.42,
+          "tip": 3.48,
+          "sex": "Female",
+          "smoker": "Yes",
+          "day": "Fri",
+          "time": "Lunch",
+          "size": 2
+        },
+        {
+          "total_bill": 8.58,
+          "tip": 1.92,
+          "sex": "Male",
+          "smoker": "Yes",
+          "day": "Fri",
+          "time": "Lunch",
+          "size": 1
+        },
+        {
+          "total_bill": 15.98,
+          "tip": 3,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Fri",
+          "time": "Lunch",
+          "size": 3
+        },
+        {
+          "total_bill": 13.42,
+          "tip": 1.58,
+          "sex": "Male",
+          "smoker": "Yes",
+          "day": "Fri",
+          "time": "Lunch",
+          "size": 2
+        },
+        {
+          "total_bill": 16.27,
+          "tip": 2.5,
+          "sex": "Female",
+          "smoker": "Yes",
+          "day": "Fri",
+          "time": "Lunch",
+          "size": 2
+        },
+        {
+          "total_bill": 10.09,
+          "tip": 2,
+          "sex": "Female",
+          "smoker": "Yes",
+          "day": "Fri",
+          "time": "Lunch",
+          "size": 2
+        },
+        {
+          "total_bill": 20.45,
+          "tip": 3,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 4
+        },
+        {
+          "total_bill": 13.28,
+          "tip": 2.72,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 22.12,
+          "tip": 2.88,
+          "sex": "Female",
+          "smoker": "Yes",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 24.01,
+          "tip": 2,
+          "sex": "Male",
+          "smoker": "Yes",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 4
+        },
+        {
+          "total_bill": 15.69,
+          "tip": 3,
+          "sex": "Male",
+          "smoker": "Yes",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 11.61,
+          "tip": 3.39,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 10.77,
+          "tip": 1.47,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 15.53,
+          "tip": 3,
+          "sex": "Male",
+          "smoker": "Yes",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 10.07,
+          "tip": 1.25,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 12.6,
+          "tip": 1,
+          "sex": "Male",
+          "smoker": "Yes",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 32.83,
+          "tip": 1.17,
+          "sex": "Male",
+          "smoker": "Yes",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 35.83,
+          "tip": 4.67,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 29.03,
+          "tip": 5.92,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 3
+        },
+        {
+          "total_bill": 27.18,
+          "tip": 2,
+          "sex": "Female",
+          "smoker": "Yes",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 22.67,
+          "tip": 2,
+          "sex": "Male",
+          "smoker": "Yes",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 17.82,
+          "tip": 1.75,
+          "sex": "Male",
+          "smoker": "No",
+          "day": "Sat",
+          "time": "Dinner",
+          "size": 2
+        },
+        {
+          "total_bill": 18.78,
+          "tip": 3,
+          "sex": "Female",
+          "smoker": "No",
+          "day": "Thur",
+          "time": "Dinner",
+          "size": 2
+        }
+      ]
+    },
+    {
+      "name": "data_0",
+      "source": "tips",
+      "transform": [
+        {
+          "type": "formula",
+          "expr": "if(datum[\"sex\"] === \"Female\", 0, if(datum[\"sex\"] === \"Male\", 1, 2))",
+          "as": "73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order"
+        }
+      ]
+    },
+    {
+      "name": "row_domain",
+      "source": "data_0",
+      "transform": [{"type": "aggregate", "groupby": ["smoker"]}]
+    },
+    {
+      "name": "data_2",
+      "source": "data_0",
+      "transform": [
+        {
+          "type": "formula",
+          "expr": "datum[\"sex\"]===\"Female\" ? 0 : datum[\"sex\"]===\"Male\" ? 1 : 2",
+          "as": "color_sex_sort_index"
+        }
+      ]
+    },
+    {
+      "name": "data_3",
+      "source": "data_2",
+      "transform": [
+        {
+          "type": "aggregate",
+          "groupby": [
+            "day",
+            "sex",
+            "73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order",
+            "smoker"
+          ],
+          "ops": ["sum"],
+          "fields": ["tip"],
+          "as": ["sum_tip"]
+        }
+      ]
+    },
+    {
+      "name": "data_4",
+      "source": "data_3",
+      "transform": [
+        {
+          "type": "impute",
+          "field": "sum_tip",
+          "groupby": [
+            "sex",
+            "73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order",
+            "smoker"
+          ],
+          "key": "day",
+          "method": "value",
+          "value": 0
+        },
+        {
+          "type": "stack",
+          "groupby": ["day", "smoker"],
+          "field": "sum_tip",
+          "sort": {
+            "field": [
+              "73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order"
+            ],
+            "order": ["descending"]
+          },
+          "as": ["sum_tip_start", "sum_tip_end"],
+          "offset": "zero"
+        }
+      ]
+    },
+    {
+      "name": "data_5",
+      "source": "data_3",
+      "transform": [
+        {
+          "type": "stack",
+          "groupby": ["day", "smoker"],
+          "field": "sum_tip",
+          "sort": {
+            "field": [
+              "73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order"
+            ],
+            "order": ["descending"]
+          },
+          "as": ["sum_tip_start", "sum_tip_end"],
+          "offset": "zero"
+        },
+        {
+          "type": "filter",
+          "expr": "isValid(datum[\"sum_tip\"]) && isFinite(+datum[\"sum_tip\"])"
+        }
+      ]
+    }
+  ],
+  "signals": [
+    {
+      "name": "unit",
+      "value": {},
+      "on": [
+        {"events": "pointermove", "update": "isTuple(group()) ? group() : unit"}
+      ]
+    },
+    {
+      "name": "pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f",
+      "update": "vlSelectionResolve(\"pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_store\", \"union\", true, true)"
+    },
+    {
+      "name": "cursor",
+      "value": "default",
+      "on": [
+        {
+          "events": "mousemove",
+          "update": "if(isDefined((group()).bounds), if(item().mark.marktype != 'group', 'default', 'crosshair'), 'default')"
+        }
+      ]
+    },
+    {
+      "name": "width",
+      "init": "isFinite(containerSize()[0]) ? containerSize()[0] : 120",
+      "on": [
+        {
+          "update": "isFinite(containerSize()[0]) ? containerSize()[0] : 120",
+          "events": "window:resize"
+        }
+      ]
+    },
+    {
+      "name": "height",
+      "init": "isFinite(containerSize()[1]) ? containerSize()[1] : 120",
+      "on": [
+        {
+          "update": "isFinite(containerSize()[1]) ? containerSize()[1] : 120",
+          "events": "window:resize"
+        }
+      ]
+    },
+    {"name": "child_width", "update": "width"},
+    {"name": "min_width", "update": "240"},
+    {"name": "child_height", "update": "height / length(data('row_domain'))"},
+    {"name": "min_height", "update": "120 * length(data('row_domain'))"}
+  ],
+  "layout": {
+    "padding": 20,
+    "offset": {"rowTitle": 10},
+    "columns": 1,
+    "bounds": "full",
+    "align": "all"
+  },
+  "marks": [
+    {
+      "name": "row-title",
+      "type": "group",
+      "role": "row-title",
+      "title": {
+        "text": "smoker",
+        "orient": "left",
+        "style": "guide-title",
+        "offset": 10
+      }
+    },
+    {
+      "name": "row_header",
+      "type": "group",
+      "role": "row-header",
+      "from": {"data": "row_domain"},
+      "sort": {"field": "datum[\"smoker\"]", "order": "ascending"},
+      "title": {
+        "text": {
+          "signal": "isValid(parent[\"smoker\"]) ? parent[\"smoker\"] : \"\"+parent[\"smoker\"]"
+        },
+        "orient": "left",
+        "style": "guide-label",
+        "frame": "group",
+        "offset": 10
+      },
+      "encode": {"update": {"height": {"signal": "child_height"}}},
+      "axes": [
+        {
+          "scale": "y",
+          "orient": "left",
+          "grid": false,
+          "title": "Sum of tip",
+          "labelFlush": false,
+          "labels": true,
+          "ticks": true,
+          "labelOverlap": true,
+          "tickCount": {"signal": "ceil(child_height/40)"},
+          "encode": {"labels": {"update": {"text": {"signal": "datum.value"}}}},
+          "zindex": 0
+        }
+      ]
+    },
+    {
+      "name": "column_footer",
+      "type": "group",
+      "role": "column-footer",
+      "encode": {"update": {"width": {"signal": "child_width"}}},
+      "axes": [
+        {
+          "scale": "x",
+          "orient": "bottom",
+          "grid": false,
+          "title": "day",
+          "labelFlush": false,
+          "labelOverlap": "greedy",
+          "labels": true,
+          "ticks": true,
+          "labelAlign": "right",
+          "labelAngle": 270,
+          "labelBaseline": "middle",
+          "zindex": 0
+        }
+      ]
+    },
+    {
+      "name": "cell",
+      "type": "group",
+      "style": "cell",
+      "from": {
+        "facet": {"name": "facet", "data": "data_0", "groupby": ["smoker"]}
+      },
+      "sort": {"field": ["datum[\"smoker\"]"], "order": ["ascending"]},
+      "data": [
+        {
+          "source": "facet",
+          "name": "data_0",
+          "transform": [
+            {
+              "type": "formula",
+              "expr": "datum[\"sex\"]===\"Female\" ? 0 : datum[\"sex\"]===\"Male\" ? 1 : 2",
+              "as": "color_sex_sort_index"
+            }
+          ]
+        },
+        {
+          "name": "data_1",
+          "source": "data_0",
+          "transform": [
+            {
+              "type": "aggregate",
+              "groupby": [
+                "day",
+                "sex",
+                "73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order"
+              ],
+              "ops": ["sum"],
+              "fields": ["tip"],
+              "as": ["sum_tip"]
+            }
+          ]
+        },
+        {
+          "name": "data_2",
+          "source": "data_1",
+          "transform": [
+            {
+              "type": "impute",
+              "field": "sum_tip",
+              "groupby": [
+                "sex",
+                "73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order"
+              ],
+              "key": "day",
+              "method": "value",
+              "value": 0
+            },
+            {
+              "type": "stack",
+              "groupby": ["day"],
+              "field": "sum_tip",
+              "sort": {
+                "field": [
+                  "73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order"
+                ],
+                "order": ["descending"]
+              },
+              "as": ["sum_tip_start", "sum_tip_end"],
+              "offset": "zero"
+            }
+          ]
+        },
+        {
+          "name": "data_3",
+          "source": "data_1",
+          "transform": [
+            {
+              "type": "stack",
+              "groupby": ["day"],
+              "field": "sum_tip",
+              "sort": {
+                "field": [
+                  "73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order"
+                ],
+                "order": ["descending"]
+              },
+              "as": ["sum_tip_start", "sum_tip_end"],
+              "offset": "zero"
+            },
+            {
+              "type": "filter",
+              "expr": "isValid(datum[\"sum_tip\"]) && isFinite(+datum[\"sum_tip\"])"
+            }
+          ]
+        }
+      ],
+      "encode": {
+        "update": {
+          "width": {"signal": "child_width"},
+          "height": {"signal": "child_height"}
+        }
+      },
+      "signals": [
+        {
+          "name": "facet",
+          "value": {},
+          "on": [
+            {
+              "events": [{"source": "scope", "type": "pointermove"}],
+              "update": "isTuple(facet) ? facet : group(\"cell\").datum"
+            }
+          ]
+        },
+        {
+          "name": "pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_tuple",
+          "on": [
+            {
+              "events": [{"source": "scope", "type": "mouseover"}],
+              "update": "datum && item().mark.marktype !== 'group' && indexof(item().mark.role, 'legend') < 0 ? {unit: \"child_layer_0_layer_0_layer_1\" + '__facet_row_' + (facet[\"smoker\"]), fields: pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_tuple_fields, values: [(item().isVoronoi ? datum.datum : datum)[\"day\"]]} : null",
+              "force": true
+            },
+            {
+              "events": [{"source": "view", "type": "dblclick"}],
+              "update": "null"
+            }
+          ]
+        },
+        {
+          "name": "pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_tuple_fields",
+          "value": [{"type": "E", "field": "day"}]
+        },
+        {
+          "name": "pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_toggle",
+          "value": false,
+          "on": [
+            {
+              "events": [{"source": "scope", "type": "mouseover"}],
+              "update": "event.shiftKey"
+            },
+            {
+              "events": [{"source": "view", "type": "dblclick"}],
+              "update": "false"
+            }
+          ]
+        },
+        {
+          "name": "pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_modify",
+          "on": [
+            {
+              "events": {
+                "signal": "pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_tuple"
+              },
+              "update": "modify(\"pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_store\", pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_toggle ? null : pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_tuple, pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_toggle ? null : true, pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_toggle ? pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_tuple : null)"
+            }
+          ]
+        }
+      ],
+      "marks": [
+        {
+          "name": "child_layer_0_layer_0_layer_0_layer_0_pathgroup",
+          "type": "group",
+          "from": {
+            "facet": {
+              "name": "faceted_path_child_layer_0_layer_0_layer_0_layer_0_main",
+              "data": "data_2",
+              "groupby": [
+                "sex",
+                "73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order"
+              ]
+            }
+          },
+          "encode": {
+            "update": {
+              "width": {"field": {"group": "width"}},
+              "height": {"field": {"group": "height"}}
+            }
+          },
+          "marks": [
+            {
+              "name": "child_layer_0_layer_0_layer_0_layer_0_marks",
+              "type": "area",
+              "clip": true,
+              "style": ["area"],
+              "sort": {"field": "datum[\"day\"]"},
+              "interactive": false,
+              "from": {
+                "data": "faceted_path_child_layer_0_layer_0_layer_0_layer_0_main"
+              },
+              "encode": {
+                "update": {
+                  "opacity": {"value": 0.2},
+                  "orient": {"value": "vertical"},
+                  "cursor": {"value": "crosshair"},
+                  "fill": {"scale": "color", "field": "sex"},
+                  "description": {
+                    "signal": "\"day: \" + (isValid(datum[\"day\"]) ? datum[\"day\"] : \"\"+datum[\"day\"]) + \"; Sum of tip: \" + (datum[\"sum_tip\"]) + \"; sex: \" + (isValid(datum[\"sex\"]) ? datum[\"sex\"] : \"\"+datum[\"sex\"]) + \"; 73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order: \" + (isValid(datum[\"73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order\"]) ? datum[\"73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order\"] : \"\"+datum[\"73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order\"])"
+                  },
+                  "x": {"scale": "x", "field": "day"},
+                  "y": {"scale": "y", "field": "sum_tip_end"},
+                  "y2": {"scale": "y", "field": "sum_tip_start"},
+                  "defined": {
+                    "signal": "isValid(datum[\"sum_tip\"]) && isFinite(+datum[\"sum_tip\"])"
+                  }
+                }
+              }
+            }
+          ]
+        },
+        {
+          "name": "child_layer_0_layer_0_layer_0_layer_1_pathgroup",
+          "type": "group",
+          "from": {
+            "facet": {
+              "name": "faceted_path_child_layer_0_layer_0_layer_0_layer_1_main",
+              "data": "data_2",
+              "groupby": ["sex"]
+            }
+          },
+          "encode": {
+            "update": {
+              "width": {"field": {"group": "width"}},
+              "height": {"field": {"group": "height"}}
+            }
+          },
+          "marks": [
+            {
+              "name": "child_layer_0_layer_0_layer_0_layer_1_marks",
+              "type": "line",
+              "clip": true,
+              "style": ["line"],
+              "sort": {"field": "datum[\"day\"]"},
+              "interactive": false,
+              "from": {
+                "data": "faceted_path_child_layer_0_layer_0_layer_0_layer_1_main"
+              },
+              "encode": {
+                "update": {
+                  "stroke": {"scale": "color", "field": "sex"},
+                  "opacity": {"value": 0.2},
+                  "description": {
+                    "signal": "\"day: \" + (isValid(datum[\"day\"]) ? datum[\"day\"] : \"\"+datum[\"day\"]) + \"; Sum of tip: \" + (datum[\"sum_tip\"]) + \"; sex: \" + (isValid(datum[\"sex\"]) ? datum[\"sex\"] : \"\"+datum[\"sex\"]) + \"; 73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order: \" + (isValid(datum[\"73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order\"]) ? datum[\"73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order\"] : \"\"+datum[\"73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order\"])"
+                  },
+                  "x": {"scale": "x", "field": "day"},
+                  "y": {"scale": "y", "field": "sum_tip_end"},
+                  "defined": {
+                    "signal": "isValid(datum[\"sum_tip\"]) && isFinite(+datum[\"sum_tip\"])"
+                  }
+                }
+              }
+            }
+          ]
+        },
+        {
+          "name": "child_layer_0_layer_0_layer_1_marks",
+          "type": "symbol",
+          "clip": true,
+          "style": ["point"],
+          "interactive": true,
+          "from": {"data": "data_3"},
+          "encode": {
+            "update": {
+              "tooltip": {
+                "signal": "{\"day\": isValid(datum[\"day\"]) ? datum[\"day\"] : \"\"+datum[\"day\"], \"Sum of tip\": datum[\"sum_tip\"], \"sex\": isValid(datum[\"sex\"]) ? datum[\"sex\"] : \"\"+datum[\"sex\"]}"
+              },
+              "fill": {"value": "transparent"},
+              "stroke": {"scale": "color", "field": "sex"},
+              "opacity": [
+                {
+                  "test": "length(data(\"pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_store\")) && vlSelectionTest(\"pivot_hover_73e717c2_da1d_414b_8777_90268afadd8f_store\", datum)",
+                  "value": 1
+                },
+                {"value": 0}
+              ],
+              "ariaRoleDescription": {"value": "point"},
+              "description": {
+                "signal": "\"day: \" + (isValid(datum[\"day\"]) ? datum[\"day\"] : \"\"+datum[\"day\"]) + \"; Sum of tip: \" + (datum[\"sum_tip\"]) + \"; sex: \" + (isValid(datum[\"sex\"]) ? datum[\"sex\"] : \"\"+datum[\"sex\"]) + \"; 73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order: \" + (isValid(datum[\"73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order\"]) ? datum[\"73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order\"] : \"\"+datum[\"73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order\"])"
+              },
+              "x": {"scale": "x", "field": "day"},
+              "y": {"scale": "y", "field": "sum_tip_end"},
+              "size": {"value": 80}
+            }
+          }
+        },
+        {
+          "name": "child_layer_0_layer_0_layer_2_layer_0_pathgroup",
+          "type": "group",
+          "from": {
+            "facet": {
+              "name": "faceted_path_child_layer_0_layer_0_layer_2_layer_0_main",
+              "data": "data_2",
+              "groupby": [
+                "sex",
+                "73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order"
+              ]
+            }
+          },
+          "encode": {
+            "update": {
+              "width": {"field": {"group": "width"}},
+              "height": {"field": {"group": "height"}}
+            }
+          },
+          "marks": [
+            {
+              "name": "child_layer_0_layer_0_layer_2_layer_0_marks",
+              "type": "area",
+              "clip": true,
+              "style": ["area"],
+              "sort": {"field": "datum[\"day\"]"},
+              "interactive": false,
+              "from": {
+                "data": "faceted_path_child_layer_0_layer_0_layer_2_layer_0_main"
+              },
+              "encode": {
+                "update": {
+                  "opacity": {"value": 0.7},
+                  "orient": {"value": "vertical"},
+                  "fill": {"scale": "color", "field": "sex"},
+                  "description": {
+                    "signal": "\"day: \" + (isValid(datum[\"day\"]) ? datum[\"day\"] : \"\"+datum[\"day\"]) + \"; Sum of tip: \" + (datum[\"sum_tip\"]) + \"; sex: \" + (isValid(datum[\"sex\"]) ? datum[\"sex\"] : \"\"+datum[\"sex\"]) + \"; 73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order: \" + (isValid(datum[\"73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order\"]) ? datum[\"73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order\"] : \"\"+datum[\"73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order\"])"
+                  },
+                  "x": {"scale": "x", "field": "day"},
+                  "y": {"scale": "y", "field": "sum_tip_end"},
+                  "y2": {"scale": "y", "field": "sum_tip_start"},
+                  "defined": {
+                    "signal": "isValid(datum[\"sum_tip\"]) && isFinite(+datum[\"sum_tip\"])"
+                  }
+                }
+              }
+            }
+          ]
+        },
+        {
+          "name": "child_layer_0_layer_0_layer_2_layer_1_pathgroup",
+          "type": "group",
+          "from": {
+            "facet": {
+              "name": "faceted_path_child_layer_0_layer_0_layer_2_layer_1_main",
+              "data": "data_2",
+              "groupby": ["sex"]
+            }
+          },
+          "encode": {
+            "update": {
+              "width": {"field": {"group": "width"}},
+              "height": {"field": {"group": "height"}}
+            }
+          },
+          "marks": [
+            {
+              "name": "child_layer_0_layer_0_layer_2_layer_1_marks",
+              "type": "line",
+              "clip": true,
+              "style": ["line"],
+              "sort": {"field": "datum[\"day\"]"},
+              "interactive": false,
+              "from": {
+                "data": "faceted_path_child_layer_0_layer_0_layer_2_layer_1_main"
+              },
+              "encode": {
+                "update": {
+                  "stroke": {"scale": "color", "field": "sex"},
+                  "description": {
+                    "signal": "\"day: \" + (isValid(datum[\"day\"]) ? datum[\"day\"] : \"\"+datum[\"day\"]) + \"; Sum of tip: \" + (datum[\"sum_tip\"]) + \"; sex: \" + (isValid(datum[\"sex\"]) ? datum[\"sex\"] : \"\"+datum[\"sex\"]) + \"; 73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order: \" + (isValid(datum[\"73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order\"]) ? datum[\"73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order\"] : \"\"+datum[\"73e717c2-da1d-414b-8777-90268afadd8f-custom-stack-order\"])"
+                  },
+                  "x": {"scale": "x", "field": "day"},
+                  "y": {"scale": "y", "field": "sum_tip_end"},
+                  "defined": {
+                    "signal": "isValid(datum[\"sum_tip\"]) && isFinite(+datum[\"sum_tip\"])"
+                  }
+                }
+              }
+            }
+          ]
+        }
+      ],
+      "axes": [
+        {
+          "scale": "x",
+          "orient": "bottom",
+          "grid": true,
+          "gridScale": "y",
+          "domain": false,
+          "labels": false,
+          "aria": false,
+          "maxExtent": 0,
+          "minExtent": 0,
+          "ticks": false,
+          "zindex": 0
+        },
+        {
+          "scale": "y",
+          "orient": "left",
+          "grid": true,
+          "gridScale": "x",
+          "tickCount": {"signal": "ceil(child_height/40)"},
+          "domain": false,
+          "labels": false,
+          "aria": false,
+          "maxExtent": 0,
+          "minExtent": 0,
+          "ticks": false,
+          "zindex": 0
+        }
+      ]
+    }
+  ],
+  "scales": [
+    {
+      "name": "x",
+      "type": "point",
+      "domain": {
+        "fields": [
+          {"data": "data_4", "field": "day"},
+          {"data": "data_5", "field": "day"}
+        ],
+        "sort": true
+      },
+      "range": [0, {"signal": "child_width"}],
+      "padding": 0.5
+    },
+    {
+      "name": "y",
+      "type": "linear",
+      "domain": {
+        "fields": [
+          {"data": "data_4", "field": "sum_tip_start"},
+          {"data": "data_4", "field": "sum_tip_end"},
+          {"data": "data_5", "field": "sum_tip_start"},
+          {"data": "data_5", "field": "sum_tip_end"}
+        ]
+      },
+      "range": [{"signal": "child_height"}, 0],
+      "nice": true,
+      "zero": true
+    },
+    {
+      "name": "color",
+      "type": "ordinal",
+      "domain": {
+        "data": "data_2",
+        "field": "sex",
+        "sort": {"op": "min", "field": "color_sex_sort_index"}
+      },
+      "range": [
+        "#4C78A8",
+        "#F58518",
+        "#E45756",
+        "#72B7B2",
+        "#54A24B",
+        "#EECA3B",
+        "#B279A2",
+        "#FF9DA6",
+        "#9D755D",
+        "#BAB0AC"
+      ],
+      "interpolate": "hcl"
+    }
+  ],
+  "legends": [
+    {
+      "symbolOpacity": 1,
+      "title": "sex",
+      "fill": "color",
+      "symbolType": "circle",
+      "stroke": "color",
+      "encode": {"symbols": {"update": {}}}
+    }
+  ]
+}
\ No newline at end of file
diff --git a/vegafusion-runtime/tests/test_image_comparison.rs b/vegafusion-runtime/tests/test_image_comparison.rs
index 961218ed..573f3b02 100644
--- a/vegafusion-runtime/tests/test_image_comparison.rs
+++ b/vegafusion-runtime/tests/test_image_comparison.rs
@@ -149,7 +149,9 @@ mod test_custom_specs {
         case("custom/timeOffset_stocks", 0.001, true),
         case("custom/quakes_initial_selection", 0.001, true),
         case("custom/aggregate_with_threshold", 0.001, true),
-        case("custom/facet_with_selections", 0.001, true)
+        case("custom/facet_with_selections", 0.001, true),
+        case("custom/facet_lift_area", 0.001, true),
+        case("custom/facet_lift_area_color", 0.001, true)
     )]
     fn test_image_comparison(spec_name: &str, tolerance: f64, extract_inline_values: bool) {
         println!("spec_name: {spec_name}");