Application: gvSIG desktop

import java.awt.geom.AffineTransform;

import org.gvsig.fmap.dal.feature.Feature;

import org.gvsig.fmap.mapcontext.layers.FLayerStatus;

import org.gvsig.fmap.mapcontext.rendering.symbols.CartographicSupport;

import org.gvsig.tools.visitor.VisitCanceledException;

import org.gvsig.tools.visitor.Visitor;

    protected boolean isOnePoint(AffineTransform graphicsTransform,

            ViewPort viewPort,

            double dpi,

            CartographicSupport csSym,

            Geometry geom,

            int[] xyCoords) {

        return isOnePoint(graphicsTransform, viewPort, geom, xyCoords)

                && csSym.getCartographicSize(viewPort, dpi, geom) <= 1;

    }

    private boolean isOnePoint(AffineTransform graphicsTransform,

            ViewPort viewPort,

            Geometry geom,

            int[] xyCoords) {

        boolean onePoint = false;

        int type = geom.getType();

        if (type == Geometry.TYPES.NULL) {

            return false;

        }

        if (type != Geometry.TYPES.POINT && type != Geometry.TYPES.MULTIPOINT) {

            Envelope geomBounds = geom.getEnvelope();

            // ICoordTrans ct = getCoordTrans();

            // Se supone que la geometria ya esta reproyectada

            // if (ct!=null) {

            // // geomBounds = ct.getInverted().convert(geomBounds);

            // geomBounds = geomBounds.convert(ct);

            // }

            double dist1Pixel = viewPort.getDist1pixel();

            onePoint

                    = (geomBounds.getLength(0) <= dist1Pixel && geomBounds.getLength(1) <= dist1Pixel);

            if (onePoint) {

                // avoid out of range exceptions

                org.gvsig.fmap.geom.primitive.Point p;

                try {

                    p

                            = geomManager.createPoint(geomBounds.getMinimum(0),

                                    geomBounds.getMinimum(1),

                                    SUBTYPES.GEOM2D);

                    p.transform(viewPort.getAffineTransform());

                    p.transform(graphicsTransform);

                    xyCoords[0] = (int) p.getX();

                    xyCoords[1] = (int) p.getY();

                } catch (org.gvsig.fmap.geom.exception.CreateGeometryException e) {

                    logger.error("Error creating a point", e);

                }

            }

        }

        return onePoint;

    }