Examples of org.geotools.renderer.GTRenderer.paint()

org.geotools.renderer.GTRenderer.paint()
Renders features based on the map layers and their styles as specified in the map content using setContext.
This version of the method assumes that the size of the output area and the transformation from coordinates to pixels are known. The latter determines the map scale. The viewport (the visible part of the map) will be calculated internally. @param graphics The graphics object to draw to. @param paintArea The size of the output area in output units (eg: pixels). @param worldToScreen A transform which converts World coordinates to Screen coordinates.

            if( paintArea == null || paintArea.isEmpty() || validBounds == null || validBounds.isEmpty() || validBounds.isNull() || validBounds.getWidth() <=0 || validBounds.getHeight()<=0 ){
                System.out.println("nothing to draw");
                // nothing to draw yet
            }
            else {
                geotToolsRenderer.paint(graphics, paintArea, validBounds);
            }


        } catch (Throwable renderingProblem) {
            if (renderingProblem instanceof InterruptedException){
                // ignore the rendering process being interrupted this is expected

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        Map renderingHints = new HashMap();
        renderingHints.put("optimizedDataLoadingEnabled", Boolean.TRUE);
        renderingHints.put(StreamingRenderer.ADVANCED_PROJECTION_HANDLING_KEY, Boolean.TRUE);
        renderer.setRendererHints(renderingHints);
        renderer.paint(graphics, paintArea, areaOfInterest);
    }


    private SimpleFeature createCrsBoundsFeature(Geometry geom, CoordinateReferenceSystem crs) {
        SimpleFeatureType featureType;

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      ReferencedEnvelope bounds) {
    if (obj instanceof GTRenderer) {
      GTRenderer renderer = (GTRenderer) obj;


      if (bounds == null) {
        renderer.paint((Graphics2D) g, rect, new AffineTransform());
      } else {
        renderer.paint((Graphics2D) g, rect, bounds);
      }
    }
  }

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      GTRenderer renderer = (GTRenderer) obj;


      if (bounds == null) {
        renderer.paint((Graphics2D) g, rect, new AffineTransform());
      } else {
        renderer.paint((Graphics2D) g, rect, bounds);
      }
    }
  }
  
  protected static Style loadStyle(Object loader, String sldFilename) throws IOException {

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        Map renderingHints = new HashMap();
        renderingHints.put("optimizedDataLoadingEnabled", Boolean.TRUE);
        renderingHints.put(StreamingRenderer.ADVANCED_PROJECTION_HANDLING_KEY, Boolean.TRUE);
        renderingHints.put(StreamingRenderer.CONTINUOUS_MAP_WRAPPING, Boolean.TRUE);
        renderer.setRendererHints(renderingHints);
        renderer.paint(graphics, paintArea, areaOfInterest);
    }


    private SimpleFeature createCrsBoundsFeature(Geometry geom, CoordinateReferenceSystem crs) {
        SimpleFeatureType featureType;

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        Map renderingHints = new HashMap();
        renderingHints.put("optimizedDataLoadingEnabled", Boolean.TRUE);
        renderingHints.put(StreamingRenderer.ADVANCED_PROJECTION_HANDLING_KEY, Boolean.TRUE);
        renderingHints.put(StreamingRenderer.CONTINUOUS_MAP_WRAPPING, Boolean.TRUE);
        renderer.setRendererHints(renderingHints);
        renderer.paint(graphics, paintArea, areaOfInterest);
        
        mapContent.dispose();
    }


    private SimpleFeature createCrsBoundsFeature(Geometry geom, CoordinateReferenceSystem crs) {

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        RenderingTimeoutEnforcer timeout = new RenderingTimeoutEnforcer(maxRenderingTime, renderer,
                graphic);
        timeout.start();
        try {
            // finally render the image;
            renderer.paint(graphic, paintArea, mapContext.getRenderingArea(),
                    mapContext.getRenderingTransform());


            // apply watermarking
            if (layout != null) {
                try {

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