Application: gvSIG desktop » gvSIG tools: Vector editing

package org.gvsig.vectorediting.lib.prov.split.operation;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryLocator;

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

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

import org.gvsig.fmap.geom.operation.GeometryOperationException;

import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException;

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

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

/**

    /*

     * Strategy:

     * 1. Get intersection points.

     * 2. Get difference between geometry and splitter. If splitter does not

     * touch geometry return original geometry.

     */

    public Geometry split(Geometry geometryToBeSplitted, Geometry splitter)

        throws GeometryOperationNotSupportedException,

        Geometry intersection = geometryToBeSplitted.intersection(splitter);

        MultiCurve multicurveSplitted = null;

            if (difference == null) {

                return geometryToBeSplitted;

            }

            if ((!firstVertex.equals(curveToBeSplitted.getVertex(0)) && !lastVertex

                .equals(curveToBeSplitted.getVertex(0)))

                }

            }

        }

        if(multicurveSplitted == null){

            return geometryToBeSplitted.difference(splitter);

        }

        return multicurveSplitted;

    }

    private boolean isClosed(Curve curveToBeSplitted) {

        Point firstPoint = curveToBeSplitted.getVertex(0);

        Point lastPoint =

            curveToBeSplitted.getVertex(curveToBeSplitted.getNumVertices()-1);

        if (firstPoint.equals(lastPoint)) {

            return true;

        }