Hi all,

I figured out a way of how to read in an ESRI shape file, and how to convert the features into a PShape:

1. private PShape getPShape(Feature ft) {
           PShape featureShape;
           GeometryCollection gc = (GeometryCollection) ft.getDefaultGeometry();
           PVector[] scrCoords = getScreenCoords(gc);
   
           if(gc instanceof MultiLineString){
               featureShape = createShape(LINES);
               for(PVector scrCoord : scrCoords){
                   featureShape.vertex(scrCoord.x, scrCoord.y);
               }
               featureShape.noFill();
               featureShape.stroke(150, 50, 50);
               featureShape.strokeWeight(1);
               featureShape.end();
           } else if(gc instanceof MultiPolygon){
               featureShape = createShape();
               for(PVector scrCoord : scrCoords){
                   featureShape.vertex(scrCoord.x, scrCoord.y);
               }
               featureShape.noFill();
               featureShape.stroke(255, 255, 255);
               featureShape.strokeWeight(5);
               featureShape.end(CLOSE);
           } else {
               throw new RuntimeException("Unsupported GeometryType: " + gc.getGeometryType());
           }

1. private PVector[] getScreenCoords(GeometryCollection gc) {
           Coordinate[] coords = gc.getCoordinates();
           PVector[] scrCoords = new PVector[coords.length];
          
           for(int i=0; i<coords.length; i++){
               PVector coord = new PVector((float) coords[i].x, (float) coords[i].y);
               PVector scrCoord = geoToScreen(coord);
               scrCoords[i] = scrCoord;
           }
           return scrCoords;
       }
   

Now I would like to fill the PShape whenever the mouse is over it. The obvious way (see below) gives me the error message of the topic header.

1. @Override
       public void draw(){
           shape(munich);
          
           for(PShape childShape : munich.getChildren()){
               if(childShape.contains(mouseX, mouseY)){
                   childShape.fill(255, 255, 255);
               }
           }
       }
   

I found some external libraries (e.g. http://www.ricardmarxer.com/geomerative/ or http://code.google.com/p/gicentre-geomap/) that might help here, but their classes limit my work in other ways. So I would be interested if someone has an idea about how to solve my problem with "standard processing".

Any comments are very welcome!

Thanks in advance,
Benjamin