本文整理汇总了Java中com.vividsolutions.jts.geom.Polygon.getFactory方法的典型用法代码示例。如果您正苦于以下问题:Java Polygon.getFactory方法的具体用法?Java Polygon.getFactory怎么用?Java Polygon.getFactory使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.vividsolutions.jts.geom.Polygon
的用法示例。
在下文中一共展示了Polygon.getFactory方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: removeCollinearVertices
import com.vividsolutions.jts.geom.Polygon; //导入方法依赖的package包/类
/**
* Removes collinear vertices from the provided {@link Polygon}.
*
* @param polygon the instance of a {@link Polygon} to remove collinear vertices from.
* @return a new instance of the provided {@link Polygon} without collinear vertices.
*/
static Polygon removeCollinearVertices(final Polygon polygon) {
if (polygon == null) {
throw new NullPointerException("The provided Polygon is null");
}
// reuse existing factory
final GeometryFactory gf = polygon.getFactory();
// work on the exterior ring
LineString exterior = polygon.getExteriorRing();
LineString shell = removeCollinearVertices(exterior);
if ((shell == null) || shell.isEmpty()) {
return null;
}
// work on the holes
List<LineString> holes = new ArrayList<LineString>();
final int size = polygon.getNumInteriorRing();
for (int i = 0; i < size; i++) {
LineString hole = polygon.getInteriorRingN(i);
hole = removeCollinearVertices(hole);
if ((hole != null) && !hole.isEmpty()) {
holes.add(hole);
}
}
return gf.createPolygon((LinearRing) shell, holes.toArray(new LinearRing[holes.size()]));
}