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-rw-r--r--src/PolySetCGALEvaluator.cc6
-rw-r--r--tests/regression/cgalpngtest/linear_extrude-tests-expected.pngbin12143 -> 12351 bytes
-rw-r--r--tests/regression/opencsgtest/linear_extrude-tests-expected.pngbin12466 -> 12785 bytes
-rw-r--r--tests/regression/throwntogethertest/linear_extrude-tests-expected.pngbin8648 -> 12023 bytes
4 files changed, 2 insertions, 4 deletions
diff --git a/src/PolySetCGALEvaluator.cc b/src/PolySetCGALEvaluator.cc
index 7f62d0a..190d75a 100644
--- a/src/PolySetCGALEvaluator.cc
+++ b/src/PolySetCGALEvaluator.cc
@@ -181,6 +181,7 @@ cant_project_non_simple_polyhedron:
static void add_slice(PolySet *ps, const DxfData &dxf, DxfData::Path &path, double rot1, double rot2, double h1, double h2)
{
+ bool splitfirst = sin(rot2 - rot1) >= 0.0;
for (size_t j = 1; j < path.indices.size(); j++)
{
int k = j - 1;
@@ -197,10 +198,7 @@ static void add_slice(PolySet *ps, const DxfData &dxf, DxfData::Path &path, doub
double kx2 = dxf.points[path.indices[k]][0] * cos(rot2*M_PI/180) + dxf.points[path.indices[k]][1] * sin(rot2*M_PI/180);
double ky2 = dxf.points[path.indices[k]][0] * -sin(rot2*M_PI/180) + dxf.points[path.indices[k]][1] * cos(rot2*M_PI/180);
- double dia1_len_sq = (jy1-ky2)*(jy1-ky2) + (jx1-kx2)*(jx1-kx2);
- double dia2_len_sq = (jy2-ky1)*(jy2-ky1) + (jx2-kx1)*(jx2-kx1);
-
- if (dia1_len_sq > dia2_len_sq)
+ if (splitfirst)
{
ps->append_poly();
if (path.is_inner) {
diff --git a/tests/regression/cgalpngtest/linear_extrude-tests-expected.png b/tests/regression/cgalpngtest/linear_extrude-tests-expected.png
index 4ed4361..1486743 100644
--- a/tests/regression/cgalpngtest/linear_extrude-tests-expected.png
+++ b/tests/regression/cgalpngtest/linear_extrude-tests-expected.png
Binary files differ
diff --git a/tests/regression/opencsgtest/linear_extrude-tests-expected.png b/tests/regression/opencsgtest/linear_extrude-tests-expected.png
index 579479e..f31b22a 100644
--- a/tests/regression/opencsgtest/linear_extrude-tests-expected.png
+++ b/tests/regression/opencsgtest/linear_extrude-tests-expected.png
Binary files differ
diff --git a/tests/regression/throwntogethertest/linear_extrude-tests-expected.png b/tests/regression/throwntogethertest/linear_extrude-tests-expected.png
index 59b61e7..b672783 100644
--- a/tests/regression/throwntogethertest/linear_extrude-tests-expected.png
+++ b/tests/regression/throwntogethertest/linear_extrude-tests-expected.png
Binary files differ
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