Revision 21049 branches/v2_0_0_prep/libraries/libFMap_geometries/src/org/gvsig/fmap/geom/GeometryFactory.java
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/* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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* |
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana. |
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* |
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* |
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* Generalitat Valenciana |
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* Conselleria d'Infraestructures i Transport |
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* Av. Blasco Ib��ez, 50
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA |
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* SPAIN |
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* |
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import org.gvsig.fmap.geom.primitive.Surface3D; |
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import org.gvsig.fmap.geom.util.UtilFunctions; |
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/** |
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* Clase que crea las geometr�as, contendra un m�todo create por cada tipo de
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* Clase que crea las geometr?as, contendra un m?todo create por cada tipo de
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* geometria que soporte gvSIG |
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*/ |
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public class GeometryFactory {
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/** |
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* Crea una geometr�a que contiene como shape un punto 2D. |
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* |
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* @param x Coordenada x. |
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* @param y Coordenada y. |
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* |
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* @return Geometr�a. |
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* Crea una geometr?a que contiene como shape un punto 2D. |
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* |
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* @param x |
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* Coordenada x. |
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* @param y |
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* Coordenada y. |
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* |
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* @return Geometr?a. |
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*/ |
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public static Geometry createPoint2D(double x, double y) {
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public Geometry createPoint2D(double x, double y) {
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return new org.gvsig.fmap.geom.primitive.Point2D(null, null, x, y); |
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} |
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public static Geometry createPoint2D(org.gvsig.fmap.geom.primitive.Point2D p) {
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public Geometry createPoint2D(org.gvsig.fmap.geom.primitive.Point2D p) {
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return p; |
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} |
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/** |
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* Crea una geometr�a que contiene como shape un Multipunto 2D. |
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* |
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* @param x Coordenada x. |
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* @param y Coordenada y. |
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* |
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* @return Geometr�a. |
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* Crea una geometr?a que contiene como shape un Multipunto 2D. |
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* |
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* @param x |
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* Coordenada x. |
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* @param y |
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* Coordenada y. |
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* |
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* @return Geometr?a. |
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*/ |
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public static Geometry createMultipoint2D(double[] x, double[] y) {
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public Geometry createMultipoint2D(double[] x, double[] y) {
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return new MultiPoint2D(null, null, x, y); |
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} |
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/** |
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* Crea una geometr�a que contiene como shape un punto 3D. |
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* |
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* @param x Coordenada x. |
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* @param y Coordenada y. |
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* @param z Coordenada z. |
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* |
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* @return Geometr�a. |
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* Crea una geometr?a que contiene como shape un punto 3D. |
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* |
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* @param x |
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* Coordenada x. |
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* @param y |
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* Coordenada y. |
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* @param z |
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* Coordenada z. |
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* |
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* @return Geometr?a. |
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*/ |
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public static Geometry createPoint3D(double x, double y, double z) {
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public Geometry createPoint3D(double x, double y, double z) {
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return new Point3D(null, null, x, y, z); |
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} |
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/** |
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* Crea una geometr�a que contiene como shape un Multipunto 3D. |
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* |
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* @param x Coordenada x. |
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* @param y Coordenada y. |
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* @param z Coordenada z. |
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* |
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* @return Geometr�a. |
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* Crea una geometr?a que contiene como shape un Multipunto 3D. |
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* |
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* @param x |
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* Coordenada x. |
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* @param y |
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* Coordenada y. |
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* @param z |
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* Coordenada z. |
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* |
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* @return Geometr?a. |
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*/ |
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public static Geometry createMultipoint3D(double[] x, double[] y, |
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double[] z) {
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public Geometry createMultipoint3D(double[] x, double[] y, double[] z) {
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return new MultiPoint3D(null, null, x, y, z); |
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} |
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/** |
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* Crea una geometr�a que contiene como shape un Polil�nea 2D. |
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* |
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* @param shape GeneralPathX. |
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* |
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* @return Geometr�a. |
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* Crea una geometr?a que contiene como shape un Polil?nea 2D. |
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* |
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* @param shape |
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* GeneralPathX. |
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* |
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* @return Geometr?a. |
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*/ |
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public static Geometry createPolyline2D(GeneralPathX shape) {
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public Geometry createPolyline2D(GeneralPathX shape) {
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return new Curve2D(null, null, shape); |
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} |
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/** |
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* Crea una geometr�a que contiene como shape un Polil�nea 3D. |
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* |
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* @param shape GeneralPathX. |
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* @param pZ Vector de Z. |
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* |
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* @return Geometr�a. |
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* Crea una geometr?a que contiene como shape un Polil?nea 3D. |
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* |
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* @param shape |
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* GeneralPathX. |
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* @param pZ |
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* Vector de Z. |
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* |
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* @return Geometr?a. |
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*/ |
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public static Geometry createPolyline3D(GeneralPathX shape, double[] pZ) {
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public Geometry createPolyline3D(GeneralPathX shape, double[] pZ) {
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return new Curve3D(null, null, shape, pZ); |
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} |
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/** |
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* Creates a multiline form a set of lines |
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* |
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* @param polylines |
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* The lines |
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* @return |
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* A multiline |
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* The lines |
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* @return A multiline |
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*/ |
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public static Geometry createMultiPolyline(Curve2D[] polylines) {
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public Geometry createMultiPolyline(Curve2D[] polylines) {
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return new MultiCurve2D(null, null, polylines); |
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} |
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/** |
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* Creates a multiline form a set of lines |
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* |
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* @param polylines |
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* The lines |
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* @return |
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* A multiline |
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* The lines |
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* @return A multiline |
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*/ |
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public static Geometry createMultiPolygon(Surface2D[] polygons) {
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public Geometry createMultiPolygon(Surface2D[] polygons) {
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return new MultiSurface2D(null, null, polygons); |
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} |
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/** |
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* Creates a multigeometry form a set of geometries |
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* |
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* @param geometries |
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* The geometries |
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* @return |
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* A multigeometry |
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* The geometries |
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* @return A multigeometry |
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*/ |
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public static Geometry createMultiGeometry(Geometry[] geometries) {
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public Geometry createMultiGeometry(Geometry[] geometries) {
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return new BaseMultiPrimitive(null, null, geometries); |
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} |
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/** |
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* Crea una geometr�a que contiene como shape un Pol�gono 3D. |
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* |
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* @param shape GeneralPathX. |
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* @param pZ Vector de Z. |
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* |
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* @return Geometr�a. |
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* Crea una geometr?a que contiene como shape un Pol?gono 3D. |
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* |
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* @param shape |
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* GeneralPathX. |
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* @param pZ |
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* Vector de Z. |
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* |
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* @return Geometr?a. |
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*/ |
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public static Geometry createPolygon3D(GeneralPathX shape, double[] pZ) {
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public Geometry createPolygon3D(GeneralPathX shape, double[] pZ) {
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return new Surface3D(null, null, shape, pZ); |
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} |
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/** |
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* Crea una geometr�a que contiene como shape un Pol�gono 2D. |
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* |
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* @param shape GeneralPathX. |
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* |
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* @return Geometr�a. |
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* Crea una geometr?a que contiene como shape un Pol?gono 2D. |
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* |
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* @param shape |
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* GeneralPathX. |
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* |
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* @return Geometr?a. |
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*/ |
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public static Geometry createPolygon2D(GeneralPathX shape) {
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public Geometry createPolygon2D(GeneralPathX shape) {
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return new Surface2D(null, null, shape); |
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} |
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/** |
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* Crea una geometr�a que contiene como shape un Pol�gono 2D. |
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* |
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* @param shape FPolyline2D closed (you must be sure it is really closed). |
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* |
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* @return Geometr�a. |
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* Crea una geometr?a que contiene como shape un Pol?gono 2D. |
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* |
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* @param shape |
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* FPolyline2D closed (you must be sure it is really closed). |
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* |
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* @return Geometr?a. |
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*/ |
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public static Geometry createPolygon2D(Curve2D shape) {
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public Geometry createPolygon2D(Curve2D shape) {
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return new Surface2D(null, null, shape.getGeneralPathX()); |
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} |
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/** |
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* Crea a partir de un FShape una geometr�a. |
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* |
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* @param shp FShape. |
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* |
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* @return Geometr�a. |
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* Crea a partir de un FShape una geometr?a. |
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* |
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* @param shp |
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* FShape. |
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* |
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* @return Geometr?a. |
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*/ |
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public static Geometry createGeometry(FShape shp) {
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public Geometry createGeometry(FShape shp) {
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return (Geometry) shp; |
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} |
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public static Geometry createCircle(java.awt.geom.Point2D center, java.awt.geom.Point2D r){
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public Geometry createCircle(java.awt.geom.Point2D center, |
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java.awt.geom.Point2D r) {
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double radio = center.distance(r); |
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return createCircle(center, radio); |
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} |
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public static Geometry createCircle(Point2D center, double radio){
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Arc2D.Double arc = new Arc2D.Double(center.getX()-radio, center.getY() - radio, |
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2 * radio, 2 * radio, 0, 360, Arc2D.OPEN); |
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public Geometry createCircle(Point2D center, double radio) {
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Arc2D.Double arc = new Arc2D.Double(center.getX() - radio, center |
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.getY() |
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- radio, 2 * radio, 2 * radio, 0, 360, Arc2D.OPEN); |
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return new Circle2D(null, null, new GeneralPathX(arc),center,radio);
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return new Circle2D(null, null, new GeneralPathX(arc), center, radio);
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} |
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public static Geometry createCircle(Point2D p1, Point2D p2, Point2D p3){
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public Geometry createCircle(Point2D p1, Point2D p2, Point2D p3) {
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Point2D center = UtilFunctions.getCenter(p1, p2, p3); |
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if (center!=null)
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return createCircle(center,p1);
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if (center != null)
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return createCircle(center, p1);
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return null; |
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} |
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public static Geometry createArc(Point2D p1, Point2D p2, Point2D p3){
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public Geometry createArc(Point2D p1, Point2D p2, Point2D p3) {
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Arc2D arco = UtilFunctions.createArc(p1, p2, p3); |
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if (arco == null) return null; |
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return new org.gvsig.fmap.geom.primitive.Arc2D(null, null, new GeneralPathX(arco),p1,p2,p3); |
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if (arco == null) |
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return null; |
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return new org.gvsig.fmap.geom.primitive.Arc2D(null, null, |
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new GeneralPathX(arco), p1, p2, p3); |
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} |
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public static Geometry createEllipse(Point2D axis1Start, Point2D axis1End, double axis2Length){
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public Geometry createEllipse(Point2D axis1Start, Point2D axis1End, |
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double axis2Length) {
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double xAxis = axis1Start.distance(axis1End); |
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Arc2D.Double arc = new Arc2D.Double(axis1Start.getX(), |
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axis1Start.getY() - axis2Length, xAxis, 2 * axis2Length, 0, 360, Arc2D.OPEN); |
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// TODO Línea comentada para quitar warning: Point2D rotationPoint = new Point2D.Double(axis1Start.getX() + xAxis /2, axis1Start.getY()); |
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Arc2D.Double arc = new Arc2D.Double(axis1Start.getX(), axis1Start |
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.getY() |
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- axis2Length, xAxis, 2 * axis2Length, 0, 360, Arc2D.OPEN); |
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// TODO L?nea comentada para quitar warning: Point2D rotationPoint = new |
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// Point2D.Double(axis1Start.getX() + xAxis /2, axis1Start.getY()); |
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double angle = UtilFunctions.getAngle(axis1Start, axis1End); |
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AffineTransform mT = AffineTransform.getRotateInstance(angle, axis1Start.getX(), axis1Start.getY()); |
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AffineTransform mT = AffineTransform.getRotateInstance(angle, |
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axis1Start.getX(), axis1Start.getY()); |
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GeneralPathX gp = new GeneralPathX(arc); |
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gp.transform(mT); |
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return new org.gvsig.fmap.geom.primitive.Ellipse2D(null, null, new GeneralPathX(gp),axis1Start,axis1End,axis2Length); |
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return new org.gvsig.fmap.geom.primitive.Ellipse2D(null, null, |
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new GeneralPathX(gp), axis1Start, axis1End, axis2Length); |
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} |
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public static Geometry createSpline2D(Point2D[] points) {
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public Geometry createSpline2D(Point2D[] points) {
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return new Spline2D(null, null, points); |
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} |
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} |
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