diff --git a/bdtopo/src/main/groovy/org/orbisgis/geoclimate/bdtopo/AbstractBDTopoWorkflow.groovy b/bdtopo/src/main/groovy/org/orbisgis/geoclimate/bdtopo/AbstractBDTopoWorkflow.groovy
index b4e3120d19..05e9e04424 100644
--- a/bdtopo/src/main/groovy/org/orbisgis/geoclimate/bdtopo/AbstractBDTopoWorkflow.groovy
+++ b/bdtopo/src/main/groovy/org/orbisgis/geoclimate/bdtopo/AbstractBDTopoWorkflow.groovy
@@ -553,7 +553,7 @@ abstract class AbstractBDTopoWorkflow extends BDTopoUtils {
                         "output"    : "fgb",
                         "rowCol"    : false,
                         "indicators": ["BUILDING_FRACTION",
-                                       "BUILDING_HEIGHT",
+                                       "BUILDING_HEIGHT_WEIGHTED",
                                        "WATER_FRACTION",
                                        "ROAD_FRACTION",
                                        "IMPERVIOUS_FRACTION",
diff --git a/geoindicators/src/main/groovy/org/orbisgis/geoclimate/geoindicators/GridIndicators.groovy b/geoindicators/src/main/groovy/org/orbisgis/geoclimate/geoindicators/GridIndicators.groovy
index 42ed32dedf..655fae5dcd 100644
--- a/geoindicators/src/main/groovy/org/orbisgis/geoclimate/geoindicators/GridIndicators.groovy
+++ b/geoindicators/src/main/groovy/org/orbisgis/geoclimate/geoindicators/GridIndicators.groovy
@@ -384,6 +384,7 @@ String formatGrid4Target(JdbcDataSource datasource, String gridTable) {
                             DROP TABLE IF EXISTS ${grid_target};
                             CREATE TABLE ${grid_target} as SELECT
                             THE_GEOM,
+                            ID_COL, ID_ROW,
                             CAST(row_number() over(ORDER BY ID_ROW DESC) as integer) as "FID",
                             BUILDING_FRACTION AS "roof",
                             ROAD_FRACTION AS "road",
@@ -397,7 +398,7 @@ String formatGrid4Target(JdbcDataSource datasource, String gridTable) {
                             ELSE 
                             LOW_VEGETATION_FRACTION END AS "dry",
                             0  AS "irr",
-                            AVG_HEIGHT_ROOF AS "H",
+                            AVG_HEIGHT_ROOF_AREA_WEIGHTED AS "H",
                             CASE WHEN
                             STREET_WIDTH IS NULL THEN 0.1 ELSE STREET_WIDTH END AS "W"
                             FROM ${gridTable} 
@@ -405,7 +406,7 @@ String formatGrid4Target(JdbcDataSource datasource, String gridTable) {
         return grid_target
     }catch (SQLException e){
         //We create an empty table
-        datasource.execute("""CREATE TABLE $grid_target (FID INT, THE_GEOM GEOMETRY,
+        datasource.execute("""CREATE TABLE $grid_target (FID INT, ID_COL INT, ID_ROW INT, THE_GEOM GEOMETRY,
         "roof" VARCHAR, "road" VARCHAR, "watr" VARCHAR, "conc" VARCHAR,
         "Veg" VARCHAR, "dry" VARCHAR, "irr" VARCHAR , "H" VARCHAR, "W" VARCHAR)""")
     }
diff --git a/geoindicators/src/main/groovy/org/orbisgis/geoclimate/geoindicators/WorkflowGeoIndicators.groovy b/geoindicators/src/main/groovy/org/orbisgis/geoclimate/geoindicators/WorkflowGeoIndicators.groovy
index d5483ff3f4..e176e1fac2 100644
--- a/geoindicators/src/main/groovy/org/orbisgis/geoclimate/geoindicators/WorkflowGeoIndicators.groovy
+++ b/geoindicators/src/main/groovy/org/orbisgis/geoclimate/geoindicators/WorkflowGeoIndicators.groovy
@@ -1684,7 +1684,7 @@ String rasterizeIndicators(JdbcDataSource datasource,
 
     def unweightedBuildingIndicators = [:]
     def weightedBuildingIndicators = [:]
-    def height_roof_unweighted_list = []
+    HashSet height_roof_unweighted_list = new HashSet()
     list_indicators_upper.each {
         if (it == "BUILDING_FRACTION"
                 || it == "BUILDING_SURFACE_DENSITY" ||
diff --git a/osm/src/main/groovy/org/orbisgis/geoclimate/osm/WorkflowOSM.groovy b/osm/src/main/groovy/org/orbisgis/geoclimate/osm/WorkflowOSM.groovy
index 78b999e93e..4253ae5282 100644
--- a/osm/src/main/groovy/org/orbisgis/geoclimate/osm/WorkflowOSM.groovy
+++ b/osm/src/main/groovy/org/orbisgis/geoclimate/osm/WorkflowOSM.groovy
@@ -915,7 +915,7 @@ def extractProcessingParameters(def processing_parameters) throws Exception {
                     //Update the GRID indicators list if TARGET output is specified
                     if(target_grid_indicators){
                         allowedOutputIndicators.addAll(["BUILDING_FRACTION",
-                                                        "BUILDING_HEIGHT",
+                                                        "BUILDING_HEIGHT_WEIGHTED",
                                                         "WATER_FRACTION",
                                                         "ROAD_FRACTION",
                                                         "IMPERVIOUS_FRACTION",
diff --git a/osm/src/test/groovy/org/orbisgis/geoclimate/osm/WorflowOSMTest.groovy b/osm/src/test/groovy/org/orbisgis/geoclimate/osm/WorflowOSMTest.groovy
index 242240c23b..fee294d8f7 100644
--- a/osm/src/test/groovy/org/orbisgis/geoclimate/osm/WorflowOSMTest.groovy
+++ b/osm/src/test/groovy/org/orbisgis/geoclimate/osm/WorflowOSMTest.groovy
@@ -723,6 +723,7 @@ class WorflowOSMTest extends WorkflowAbstractTest {
         def nominatim = OSMTools.Utilities.getNominatimData(location)
         def grid_size = 100
         location =[47.214976592711274,-1.6425595375815742,47.25814872718718,-1.5659501122281323]
+        //location=[47.215334,-1.558058,47.216646,-1.556185]
         //location = nominatim.bbox
         //location=[51.2, 1.0, 51.4, 1.2]
         /* location =[ 48.84017284026897,
@@ -758,14 +759,14 @@ class WorflowOSMTest extends WorkflowAbstractTest {
                 "parameters"  :
                         ["distance"             : 0,
                          "rsu_indicators"       : [
-                                 "indicatorUse": ["LCZ", "TEB"] //, "UTRF"]
+                                 "indicatorUse": ["LCZ", "TEB", "TARGET"] //, "UTRF"]
 
                          ], "grid_indicators"   : [
                                 "x_size"    : grid_size,
                                 "y_size"    : grid_size,
                                 "indicators": [
                                         "BUILDING_FRACTION",
-                                        "BUILDING_HEIGHT",
+                                        "BUILDING_HEIGHT_WEIGHTED",
                                         //"BUILDING_POP",
                                         //"BUILDING_TYPE_FRACTION",
                                         "WATER_FRACTION",