[udig-devel] Point symbolizer questions

[Rui Alves <rui.maia.alves@xxxxxxxxx>]

Hi,

 

I am using uDig 1.1.1 and I need to represent programaticaly a point on a layer as an image.

 

I can represent it as a Circle for example with the code bellow.

 

Question 1)

Is this the correct way to do it?

 

Question 2)

At the end I have 3 lines of code that I use to assign the style to the layer. Which one should I use? I try several  combinations and all of them seems to work!

  sld.addFeatureTypeStyle(fts[0]);
  sld.setFeatureTypeStyles(fts);
  actLayer.getStyleBlackboard().put(SLDContent.ID, pointStyle);

 

Question 3)

 

How should I change the could if I want to use an image like a JPG or an ICON to represent the point instead one of the pre-defined symbols?

 

----- Code -----

 

  StyleBuilder sb=new StyleBuilder();
  PointSymbolizer pointSymb = sb.createPointSymbolizer();
  
  Mark circle = sb.createMark(StyleBuilder.MARK_CIRCLE, sb.createFill(Color.red, 0.5), null);//, Color.red);

  pointSymb.setGraphic(sb.createGraphic(null, circle, null, 1, 10, 0));
  
  Style pointStyle=sb.createStyle();
  pointStyle.setDefault(true);
  pointStyle.setName("Style1");
  pointStyle.addFeatureTypeStyle(sb.createFeatureTypeStyle(pointSymb));
  
  FeatureTypeStyle[] fts = new FeatureTypeStyle[1];
  fts[0]=sb.createFeatureTypeStyle(pointSymb);
  fts[0].setName("FTS_1");
  
  ILayer actLayer = context.getSelectedLayer();
  
  Style sld = (Style) actLayer.getStyleBlackboard().get(SLDContent.ID);
  sld.addFeatureTypeStyle(fts[0]);
  //sld.setFeatureTypeStyles(fts);
  actLayer.getStyleBlackboard().put(SLDContent.ID, pointStyle);

 

 

Thank you for your help.

Regards,

 

Rui Alves