ashatora/openlayers
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

WebGL triangulation performance

Browse Source
This commit is contained in:
GaborFarkas
2017-07-31 20:10:24 +02:00
parent 445c157ee3
commit 87a10200e3
1 changed files with 8 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
src/ol/render/webgl/polygonreplay.js
View File

@@ -382,10 +382,15 @@ if (ol.ENABLE_WEBGL) {
p2 = s2.p1;
if (p1.reflex === false) {
// We might have a valid ear
var diagonalIsInside = ccw ? this.diagonalIsInside_(s3.p1, p2, p1, p0,
s0.p0) : this.diagonalIsInside_(s0.p0, p0, p1, p2, s3.p1);
var variableCriterion;
if (simple) {
variableCriterion = this.getPointsInTriangle_(p0, p1, p2, rtree, true).length === 0;
} else {
variableCriterion = ccw ? this.diagonalIsInside_(s3.p1, p2, p1, p0,
s0.p0) : this.diagonalIsInside_(s0.p0, p0, p1, p2, s3.p1);
}
if ((simple || this.getIntersections_({p0: p0, p1: p2}, rtree).length === 0) &&
diagonalIsInside && this.getPointsInTriangle_(p0, p1, p2, rtree, true).length === 0) {
variableCriterion) {
//The diagonal is completely inside the polygon
if (simple || p0.reflex === false || p2.reflex === false ||
ol.geom.flat.orient.linearRingIsClockwise([s0.p0.x, s0.p0.y, p0.x,