Revision 45941 trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.mapcontext/org.gvsig.fmap.mapcontext.api/src/main/java/org/gvsig/fmap/mapcontext/MapContext.java
| MapContext.java | ||
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import org.gvsig.fmap.dal.DataStore; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.dal.feature.FeatureStoreNotification; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.GeometryUtils; |
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import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.mapcontext.events.ErrorEvent; |
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import org.gvsig.fmap.mapcontext.events.listeners.AtomicEventListener; |
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import org.gvsig.fmap.mapcontext.events.listeners.ErrorListener; |
| ... | ... | |
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private static final Logger LOGGER = LoggerFactory.getLogger(MapContext.class); |
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private long scaleToUseWhenEnvelopeCollapse = 10000000; |
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/** |
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* <p> |
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* Determines the number of frames.</p> |
| ... | ... | |
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public ViewPort getViewPort() {
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return viewPort; |
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} |
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/** |
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* <p> |
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* Sets a {@link ViewPort ViewPort} with the drawing information of this
|
| ... | ... | |
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* |
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* @param extent the extent of the new zoom |
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*/ |
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public void zoomToEnvelope(Envelope extent) {
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if (extent != null && !extent.isEmpty()) {
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getViewPort().setEnvelope(extent);
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public void zoomToEnvelope(Envelope env) {
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if (env == null || env.isEmpty()) {
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return;
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} |
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if( env.isCollapsed(Geometry.SUBTYPES.GEOM2D) ) {
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// El envelop ha colapsado en X e Y. |
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// Fijamos la escala por defecto para cuando colapsa y centramos |
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// sobre el centro del envelop. |
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this.setScaleView(this.getScaleToUseWhenEnvelopeCollapse()); |
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Envelope curenv = viewPort.getEnvelope(); |
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double halfWidth = curenv.getLength(Geometry.DIMENSIONS.X) / 2; |
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double halfHeight = curenv.getLength(Geometry.DIMENSIONS.Y) / 2; |
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double centerx = env.getCenter(Geometry.DIMENSIONS.X); |
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double centery = env.getCenter(Geometry.DIMENSIONS.Y); |
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Point lowerCorner = GeometryUtils.createPoint(halfWidth + centerx, halfHeight + centery); |
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Point upperCorner = GeometryUtils.createPoint(halfWidth - centerx, halfHeight - centery); |
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env.setLowerCorner(lowerCorner); |
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env.setUpperCorner(upperCorner); |
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} |
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this.viewPort.setEnvelope(env); |
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} |
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/** |
| ... | ... | |
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}; |
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} |
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public long getScaleToUseWhenEnvelopeCollapse() {
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return this.scaleToUseWhenEnvelopeCollapse; |
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} |
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public void setScaleToUseWhenEnvelopeCollapse(long scale) {
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this.scaleToUseWhenEnvelopeCollapse = scale; |
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} |
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} |
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