X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=org.simantics.plant3d%2Fsrc%2Forg%2Fsimantics%2Fplant3d%2Fgeometry%2FCheckValveGeometryProvider.java;h=c14ff4b477fe1511cf3f8abeea5e186ccb7c3028;hb=f8e541f1d66cda57802da11aaa715b9f9c1c79a9;hp=5106731647a34da576e1a4846b29648210ea1348;hpb=b951060202f08360f6b0696a208adbf69e926fa6;p=simantics%2F3d.git

diff --git a/org.simantics.plant3d/src/org/simantics/plant3d/geometry/CheckValveGeometryProvider.java b/org.simantics.plant3d/src/org/simantics/plant3d/geometry/CheckValveGeometryProvider.java
index 51067316..c14ff4b4 100644
--- a/org.simantics.plant3d/src/org/simantics/plant3d/geometry/CheckValveGeometryProvider.java
+++ b/org.simantics.plant3d/src/org/simantics/plant3d/geometry/CheckValveGeometryProvider.java
@@ -19,6 +19,8 @@ public class CheckValveGeometryProvider extends BuiltinGeometryProvider {
 	
 	@Override
 	public Collection<TopoDS_Shape> getModel() throws Exception {
+		if (radius < MathTools.NEAR_ZERO)
+			return Collections.emptyList();
 		double l = radius*0.2;
 		TopoDS_Shape cyl = OccTriangulator.makeCylinder(new double[] {radius-l, 0.0, 0.0}, new double[] { 1.0, 0.0, 0.0 }, radius, l);
 		TopoDS_Shape con = OccTriangulator.makeCone(new double[] {-radius, 0.0, 0.0}, new double[] { 1.0, 0.0, 0.0 }, radius, radius*0.1,radius*2);