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Triangle: slightly improve point-in-hole heuristic

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This commit is contained in:
Hannes Janetzek 2013-05-31 16:31:58 +02:00
parent 6506e540f8
commit e09d638bc5
1 changed files with 3 additions and 2 deletions
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5
jni/triangle/TriangleJni.c
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@ -181,8 +181,8 @@ jint Java_org_oscim_renderer_sublayers_ExtrusionLayer_triangulate(JNIEnv *env, j
float ux = -vy / a; float ux = -vy / a;
float uy = vx / a; float uy = vx / a;
float centerx = cx + vx / 2 - ux; float centerx = cx + vx / 2.0 - (ux * 0.1);
float centery = cy + vy / 2 - uy; float centery = cy + vy / 2.0 - (uy * 0.1);
*hole++ = centerx; *hole++ = centerx;
*hole++ = centery; *hole++ = centery;
@ -253,6 +253,7 @@ jint Java_org_oscim_renderer_sublayers_ExtrusionLayer_triangulate(JNIEnv *env, j
triangulate(&opt, &in, &out, (TriangleIO *) NULL); triangulate(&opt, &in, &out, (TriangleIO *) NULL);
if (in.numberofpoints < out.numberofpoints) { if (in.numberofpoints < out.numberofpoints) {
// TODO rerun with 'nonodewritten = 0'
printf( "polygon input is bad! points in:%d out%d\n", in.numberofpoints, out.numberofpoints); printf( "polygon input is bad! points in:%d out%d\n", in.numberofpoints, out.numberofpoints);
out.numberoftriangles = 0; out.numberoftriangles = 0;
} }