add check if a landuse/building type is in more than one category

contribs/small-scale-traffic-generation/src/main/java/org/matsim/smallScaleCommercialTrafficGeneration/prepare/LanduseBuildingAnalysis.java

@@ -120,10 +120,8 @@ private static void createResultingDataForLanduseInZones(
 					resultingDataPerZone.get(zoneId).mergeDouble(categoryData, 0., Double::sum);
 					if (landuseCategoriesAndDataConnection.get(categoryData).contains(categoryLanduse)) {
 						double additionalArea = landuseCategoriesPerZone.get(zoneId).getDouble(categoryLanduse);
-						// because the category commercial is in two categories (traffic/parcels and
-						// Tertiary Sector Rest
-						if (categoryLanduse.equals("commercial"))
-							additionalArea = additionalArea * 0.5;
+//						// because the categoryLanduse can be in two categories (e.g., traffic/parcels and Tertiary Sector Rest
+						additionalArea = additionalArea / LanduseDataConnectionCreator.getNumberOfEmployeeCategoriesOfThisTyp(landuseCategoriesAndDataConnection, categoryLanduse);
 						resultingDataPerZone.get(zoneId).mergeDouble(categoryData, additionalArea, Double::sum);
 						totalSquareMetersPerCategory.get(regionOfZone).mergeDouble(categoryData, additionalArea,
 								Double::sum);

contribs/small-scale-traffic-generation/src/main/java/org/matsim/smallScaleCommercialTrafficGeneration/prepare/LanduseDataConnectionCreator.java

@@ -2,6 +2,7 @@
 
 import java.util.List;
 import java.util.Map;
+import java.util.concurrent.atomic.AtomicInteger;
 
 /**
  * Interface for creating the connection between landuse categories and the employee data.
@@ -10,4 +11,21 @@
  */
 public interface LanduseDataConnectionCreator {
 	Map<String, List<String>> createLanduseDataConnection();
+
+	/**
+	 * Counts the number of employee categories in which a type is represented.
+	 *
+	 * @return
+	 */
+	static int getNumberOfEmployeeCategoriesOfThisTyp(Map<String, List<String>> landuseCategoriesAndDataConnection, String type) {
+		AtomicInteger count = new AtomicInteger();
+		landuseCategoriesAndDataConnection.values().forEach(list -> {
+			if (list.contains(type)) {
+				count.getAndIncrement();
+			}
+		});
+		return count.get();
+	}
+
+	;
 }