Check parameter inputs in geometry providers.

[simantics/3d.git] / org.simantics.plant3d / src / org / simantics / plant3d / geometry / PumpGeometryProvider.java

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 a7c32a66aabab76a5badf9b70e95ef323ac493b1..451abe1e1da5251bb096caefca8a9efea5cc58c1 100644 (file)
--- 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;