Application: gvSIG desktop

import org.gvsig.fmap.geom.GeometryException;

import org.gvsig.fmap.geom.aggregate.MultiLine;

import org.gvsig.fmap.geom.aggregate.MultiPolygon;

import org.gvsig.fmap.geom.aggregate.MultiSurface;

import org.gvsig.fmap.geom.primitive.Curve;

import org.gvsig.fmap.geom.primitive.Surface;

        try {

            if (doc.hasDPI()) {

                double previousSize = ((CartographicSupport) symbol).toCartographicSize(viewPort, doc.getDPI(), geom);

                // draw it as normally

                Geometry transformedGeometry;

                transformedGeometry = transformGeometry(geom.cloneGeometry(), viewPort.getAffineTransform());

                // the AffineTransform has to be null because the transformToInts method reprojects the geometry

                symbol.draw(g, null, transformedGeometry, doc.getFeature(), cancel);

                // restore previous size

                ((CartographicSupport) symbol).setCartographicSize(previousSize, geom);

            } else {

                // Geometry decimatedShape = transformToInts(geom, viewPort.getAffineTransform());

                Geometry transformedGeometry = transformGeometry(geom.cloneGeometry(), viewPort.getAffineTransform());

                symbol.draw(g, viewPort.getAffineTransform(), transformedGeometry, doc.getFeature(), cancel);

            }

        } catch (GeometryException e) {

		    throw new GeometryOperationException(e);

	/**

     * @param geom

     * @param affineTransform

     * @return

	 * @throws GeometryException

     */

    private Geometry transformGeometry(Geometry geom, AffineTransform affineTransform) throws GeometryException {

        if(geom.canBeTransformed(affineTransform)){

            geom.transform(affineTransform);

            return geom;

        }

        if(geom instanceof Curve || geom instanceof Curve){

            MultiLine lines = geom.toLines();

            lines.transform(affineTransform);

            return lines;

        }

        if(geom instanceof Surface || geom instanceof MultiSurface){

            MultiPolygon polygons = geom.toPolygons();

            polygons.transform(affineTransform);

            return polygons;

        }

        return null;

    }

    public int getOperationIndex() {