Revision 2204 org.gvsig.vectorediting/trunk/org.gvsig.vectorediting/org.gvsig.vectorediting.lib/org.gvsig.vectorediting.lib.prov/org.gvsig.vectorediting.lib.prov.extendline/src/main/java/org/gvsig/vectorediting/lib/prov/extendline/operation/ArcExtendLineOperation.java
| ArcExtendLineOperation.java | ||
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* For any additional information, do not hesitate to contact us |
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* at info AT gvsig.com, or visit our website www.gvsig.com. |
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*/ |
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package org.gvsig.vectorediting.lib.prov.extendline.operation; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.FeatureSelection; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.Geometry.TYPES; |
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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.CreateGeometryException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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public class ArcExtendLineOperation implements ExtendLineOperation {
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public Curve extendLine(Curve lineToExtend, Point insertedPoint, |
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FeatureSelection boundaryObjects) |
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throws GeometryOperationNotSupportedException, |
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GeometryOperationException, DataException, CreateGeometryException {
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FeatureSelection boundaryObjects)
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throws GeometryOperationNotSupportedException,
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GeometryOperationException, DataException, CreateGeometryException {
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Arc arcToBeExtend = (Arc) lineToExtend; |
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|
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Point endIntersectionPoint = null; |
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if (insertedPoint.distance(startVertex) < insertedPoint |
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.distance(endVertex)) {
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startIntersectionPoint =
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ExtendLineOperationUtils.arcIntersection(arcToBeExtend, |
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ExtendLineOperationUtils.START_SIDE, boundaryObjects); |
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.distance(endVertex)) {
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startIntersectionPoint |
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= ExtendLineOperationUtils.arcIntersection(arcToBeExtend,
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ExtendLineOperationUtils.START_SIDE, boundaryObjects);
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} else {
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endIntersectionPoint =
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ExtendLineOperationUtils.arcIntersection(arcToBeExtend, |
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ExtendLineOperationUtils.END_SIDE, boundaryObjects); |
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endIntersectionPoint |
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= ExtendLineOperationUtils.arcIntersection(arcToBeExtend,
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ExtendLineOperationUtils.END_SIDE, boundaryObjects);
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} |
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if (startIntersectionPoint == null) {
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Point center = arcToBeExtend.getCenterPoint(); |
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double radius = center.distance(arcToBeExtend.getInitPoint()); |
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double startAngle = |
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ExtendLineOperationUtils.getAngle(center, startIntersectionPoint); |
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double endAngle = |
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ExtendLineOperationUtils.getAngle(center, endIntersectionPoint); |
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// double startAngle |
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// = ExtendLineOperationUtils.getAngle(center, startIntersectionPoint); |
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// double endAngle |
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// = ExtendLineOperationUtils.getAngle(center, endIntersectionPoint); |
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double startAngle |
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= GeometryUtils.calculateAngle(center, startIntersectionPoint); |
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double endAngle |
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= GeometryUtils.calculateAngle(center, endIntersectionPoint); |
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extendedArc.setPointsStartEnd(center, radius, startAngle, endAngle); |
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return extendedArc; |
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} |
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@Override |
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public Curve extendLine(Curve lineToExtend, Point insertedPoint, |
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Geometry boundaryObject) |
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throws GeometryOperationNotSupportedException, |
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GeometryOperationException, DataException, CreateGeometryException {
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Arc arcToBeExtend = (Arc) lineToExtend; |
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GeometryManager geoManager = GeometryLocator.getGeometryManager(); |
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int subtype = lineToExtend.getGeometryType().getSubType(); |
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Arc extendedArc = (Arc) geoManager.create(TYPES.ARC, subtype); |
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Point startVertex = arcToBeExtend.getInitPoint(); |
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Point endVertex = arcToBeExtend.getEndPoint(); |
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Point startIntersectionPoint = null; |
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Point endIntersectionPoint = null; |
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if (insertedPoint.distance(startVertex) < insertedPoint |
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.distance(endVertex)) {
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startIntersectionPoint |
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= ExtendLineOperationUtils.arcIntersection(arcToBeExtend, |
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ExtendLineOperationUtils.START_SIDE, boundaryObject); |
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} else {
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endIntersectionPoint |
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= ExtendLineOperationUtils.arcIntersection(arcToBeExtend, |
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ExtendLineOperationUtils.END_SIDE, boundaryObject); |
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} |
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if (startIntersectionPoint == null) {
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startIntersectionPoint = arcToBeExtend.getInitPoint(); |
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} |
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if (endIntersectionPoint == null) {
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endIntersectionPoint = arcToBeExtend.getEndPoint(); |
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} |
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Point center = arcToBeExtend.getCenterPoint(); |
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double radius = center.distance(arcToBeExtend.getInitPoint()); |
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// double startAngle |
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// = ExtendLineOperationUtils.getAngle(center, startIntersectionPoint); |
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// double endAngle |
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// = ExtendLineOperationUtils.getAngle(center, endIntersectionPoint); |
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double startAngle |
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= GeometryUtils.calculateAngle(center, startIntersectionPoint); |
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double endAngle |
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= GeometryUtils.calculateAngle(center, endIntersectionPoint); |
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extendedArc.setPointsStartEnd(center, radius, startAngle, endAngle); |
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return extendedArc; |
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} |
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} |
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