Merge pull request #386 from openego/fixes/spatial-join-heat-buses-sm…

…all-buffer Add a very small buffer when joining etrago heat buses heat grids
openego · Jan 29, 2025 · 3f31c0c · 3f31c0c
2 parents bd12598 + 9ba8587
commit 3f31c0c
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/src/egon/data/datasets/heat_etrago/__init__.py b/src/egon/data/datasets/heat_etrago/__init__.py
@@ -332,7 +332,10 @@ def insert_central_direct_heat(scenario):
         {targets['heat_buses']['table']}
         JOIN {sources['district_heating_areas']['schema']}.
             {sources['district_heating_areas']['table']}
-        ON ST_Transform(ST_Centroid(geom_polygon), 4326) = geom
+        ON ST_Intersects(
+        ST_Transform(
+        ST_Buffer(ST_Centroid(geom_polygon),
+         0.0000001), 4326), geom)
         WHERE carrier = 'central_heat'
         AND scenario = '{scenario}'
         AND scn_name = '{scenario}'

diff --git a/src/egon/data/datasets/heat_etrago/power_to_heat.py b/src/egon/data/datasets/heat_etrago/power_to_heat.py
@@ -465,7 +465,9 @@ def assign_electrical_bus(heat_pumps, carrier, scenario, multiple_per_mv_grid=Fa
         {targets['heat_buses']['table']}
         JOIN {sources['district_heating_areas']['schema']}.
             {sources['district_heating_areas']['table']}
-        ON ST_Transform(ST_Centroid(geom_polygon), 4326) = geom
+        ON ST_Intersects(
+        ST_Transform(ST_Buffer(
+        ST_Centroid(geom_polygon), 0.0000001), 4326), geom)
         WHERE carrier = 'central_heat'
         AND scenario='{scenario}'
         AND scn_name = '{scenario}'