X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=org.simantics.plant3d%2Fsrc%2Forg%2Fsimantics%2Fplant3d%2Fgeometry%2FPumpGeometryProvider.java;h=451abe1e1da5251bb096caefca8a9efea5cc58c1;hb=7505a3c42c08da8a8bc0128ffa024ec4e9f0a47d;hp=a7c32a66aabab76a5badf9b70e95ef323ac493b1;hpb=22bb24d2a7e26c70b0dd4c57080f2c25ac3d40a8;p=simantics%2F3d.git

diff --git a/org.simantics.plant3d/src/org/simantics/plant3d/geometry/PumpGeometryProvider.java b/org.simantics.plant3d/src/org/simantics/plant3d/geometry/PumpGeometryProvider.java
index a7c32a66..451abe1e 100644
--- a/org.simantics.plant3d/src/org/simantics/plant3d/geometry/PumpGeometryProvider.java
+++ b/org.simantics.plant3d/src/org/simantics/plant3d/geometry/PumpGeometryProvider.java
@@ -4,17 +4,9 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.Map;
 
-import org.jcae.opencascade.jni.BRepBuilderAPI_MakeEdge;
-import org.jcae.opencascade.jni.BRepBuilderAPI_MakeFace;
-import org.jcae.opencascade.jni.BRepBuilderAPI_MakeWire;
-import org.jcae.opencascade.jni.BRepPrimAPI_MakeRevol;
-import org.jcae.opencascade.jni.GC_MakeArcOfCircle;
-import org.jcae.opencascade.jni.GC_MakeSegment;
-import org.jcae.opencascade.jni.TopoDS_Edge;
-import org.jcae.opencascade.jni.TopoDS_Face;
 import org.jcae.opencascade.jni.TopoDS_Shape;
-import org.jcae.opencascade.jni.TopoDS_Wire;
 import org.simantics.db.Resource;
+import org.simantics.g3d.math.MathTools;
 import org.simantics.opencascade.OccTriangulator;
 
 public class PumpGeometryProvider extends BuiltinGeometryProvider  {
@@ -28,6 +20,8 @@ public class PumpGeometryProvider extends BuiltinGeometryProvider  {
 	
 	@Override
 	public Collection<TopoDS_Shape> getModel() throws Exception {
+		if (width < MathTools.NEAR_ZERO || length < MathTools.NEAR_ZERO)
+			return Collections.emptyList();
 		double h = width * 0.5;
 		double h2 = width * 0.1;
 		double ld2 = length * 0.5;