public void AllocDeallocSimpleTest()
{
//NaroMessage.Show("start test");
//Console.WriteLine("---- wrapper start test ----");
var watch = new Stopwatch();
watch.Start();
for (var i = 0; i < 300000; i++)
{
var pnt = new gpPnt(i, i, i);
var pnt2 = new gpPnt(i + 10, i + 10, i + 10);
var aEdge = new BRepBuilderAPIMakeEdge(pnt, pnt2).Edge;
var wire = new BRepBuilderAPIMakeWire(aEdge).Wire;
TopoDSShape shape = wire;
new AISShape(shape);
var pln = new gpPln(i + 10, i + 10, i + 10, i + 10);
var geomPln = new GeomPlane(pln);
var trsf = new gpTrsf();
geomPln.Transform(trsf);
}
watch.Stop();
//Console.WriteLine("---- wrapper end test - took {0} ms ----", watch.ElapsedMilliseconds);
//NaroMessage.Show(String.Format("---- wrapper end test - took {0} ms ----", watch.ElapsedMilliseconds));
}
private void ProposeSelectedReferenceShape(TopoDSShape face, Mouse3DPosition mouseData)
{
SceneSelectedEntity selectedNode = null;
if (face != null)
{
selectedNode = GeomUtils.IdentifyNode(Document.Root, face);
if (selectedNode == null)
{
return;
}
}
else
{
var node = NodeBuilderUtils.IdentifySelectedObjectLabel(Document.Root);
if (node != null)
{
selectedNode = new SceneSelectedEntity(node);
}
}
if (selectedNode == null)
{
return;
}
if (_axisBuilder.Node != null && selectedNode.Node.Index == _axisBuilder.Node.Index)
{
SetWorkingPlane();
_dragging = true;
_startDragPos = mouseData.Point;
return;
}
// The scene selected entity is hold as reference
Propose(selectedNode);
}
public static void LoadBrepFile(string fileName, Document document)
{
var aSequence = new TopToolsHSequenceOfShape();
var aShape = new TopoDSShape();
var aBuilder = new BRepBuilder();
var result = BRepTools.Read(aShape, fileName, aBuilder, null);
if (result)
{
if (!BRepAlgo.IsValid(aShape))
{
// Warning: The shape is not valid!
}
else
{
aSequence.Append(aShape);
}
}
if (aSequence.IsEmpty)
{
return;
}
document.Transact();
for (var i = 1; i <= aSequence.Length; i++)
{
var aisShape = aSequence.Value(i);
var builder = new NodeBuilder(document, FunctionNames.Mesh);
builder[0].Shape = aisShape;
builder.ExecuteFunction();
}
document.Commit("Added to scene filename: " + fileName);
}
public static ShapeBoundBox ExtractBoundingBox(TopoDSShape topoDsShape)
{
if (topoDsShape == null)
{
return(null);
}
var bndBox = ExtractBndBox(topoDsShape);
if (bndBox == null)
{
return(null);
}
var aXMin = 0d;
var aYMin = 0d;
var aZMin = 0d;
var aXMax = 0d;
var aYMax = 0d;
var aZMax = 0d;
bndBox.Get(ref aXMin, ref aYMin, ref aZMin, ref aXMax, ref aYMax, ref aZMax);
var coordinate = new Point3D(aXMin, aYMin, aZMin);
var dimensions = new Point3D(aXMax - aXMin, aYMax - aYMin, aZMax - aZMin);
var result = new ShapeBoundBox {
Coordinate = coordinate, Dimensions = dimensions
};
return(result);
}
/// <summary>
/// Called when the dragging operation ends.
/// </summary>
public virtual void EndDragging(Mouse3DPosition mouseData)
{
if (IsDragging)
{
prevFaceCount = -1;
IsDragging = false;
Document.Commit("Finished dragging");
selectedShape = null;
}
}
public void StartDragging(SceneSelectedEntity handleNode)
{
IsDragging = true;
if (SelectedEntity.ShapeType == TopAbsShapeEnum.TopAbs_FACE)
{
selectedShape = SelectedEntity.TargetShape();
prevFaceCount = -1;
initialDirection = GeomUtils.ExtractDirection(SelectedEntity.TargetShape());
DraggingIndex = 0;// _handles[FunctionNames.AxisHandle];
}
}
private static TopoDSShape MakeSew(TopoDSShape path, TopoDSShape profile)
{
var sewing = new BRepBuilderAPISewing(1.0e-06, true, true, true, false);
sewing.Add(profile);
sewing.Add(path);
MessageProgressIndicator messg = new MessageProgressIndicator();
sewing.Perform(messg);
return(sewing.SewedShape);
}
public static gpPln ExtractPlaneFromFaceShape(TopoDSShape targetFace)
{
var face = TopoDS.Face(targetFace);
var surf = BRepTool.Surface(face);
var pl = new GeomPlane(new gpAx3());
pl = surf.Convert <GeomPlane>();
//surf.DownCast(ref pl);
var faceElementAdaptor = new BRepAdaptorSurface(face, true);
//TO DO: Investigate why this is not working
Ensure.AreEqual(faceElementAdaptor.GetType, GeomAbsSurfaceType.GeomAbs_Plane);
return(pl.Pln);
}
public static BndBox ExtractBndBox(TopoDSShape topoDsShape)
{
var shape = new AISShape(topoDsShape);
try
{
var bndBox = shape.BoundingBox;
return(bndBox);
}
catch
{
return(null);
}
}
public static AISInteractiveObject TextureShape(TopoDSShape shape, string texture, Node node)
{
var texturedShape = new AISTexturedShape(shape);
var textNameWrapper = new TCollectionAsciiString(texture);
node.Set <ObjectInterpreter>().Data = textNameWrapper;
texturedShape.TextureFileName = textNameWrapper;
texturedShape.SetTextureMapOn();
texturedShape.SetTextureRepeat(false, 1.0, 1.0);
texturedShape.DisplayMode = 3;
texturedShape.SetColor(ShapeUtils.GetOccColor(Color.White));
texturedShape.TypeOfPresentation = (PrsMgrTypeOfPresentation3d.PrsMgr_TOP_AllView);
return(texturedShape);
}
/// <summary>
/// Make an extrusion starting from a shape until a height.
/// </summary>
/// <param name = "originalShape"></param>
/// <param name = "height"></param>
/// <returns></returns>
private static TopoDSShape ExtrudeMidPlane(TopoDSShape originalShape, double height)
{
TopoDSShape prismShape = null;
// Make the Extrusion
if (originalShape != null)
{
try
{
// Get the Face to be extruded
var face = originalShape;// OCTopoDS.Face(originalShape);
// Get the direction
var dir = GeomUtils.ExtractDirection(face);
if (dir == null)
{
return(null);
}
// Build the translated shape
var translationVector = new gpVec(dir);
translationVector.Multiply(-1 * height / 2);
var transformation = new gpTrsf();
transformation.SetTranslation(translationVector);
var brepTrans = new BRepBuilderAPITransform(originalShape, transformation, false);
var translatedShape = brepTrans.Shape;
// Extract the face of the translated shape
//baseEx.Init(translatedShape, TopAbsShapeEnum.TopAbs_FACE, TopAbsShapeEnum.TopAbs_SHAPE);
//baseEx.Next();
var translatedFace = translatedShape;// OCTopoDS.Face(translatedShape);
// Describe the height through a vector
var vector = new gpVec(dir);
vector.Multiply(height);
// Make the prism
prismShape = new BRepPrimAPIMakePrism(translatedFace, vector, false, true).Shape;
}
catch (Exception ex)
{
Log.Error("Error on extrude: " + ex.Message);
return(null);
}
}
return(prismShape);
}
public static TopoDSShape ExtractSubShape(
TopoDSShape originalShape,
int facePosition,
TopAbsShapeEnum shapeType)
{
if (originalShape == null)
{
return(null);
}
// Find the face
var baseEx = new TopExpExplorer();
baseEx.Init(originalShape, shapeType, TopAbsShapeEnum.TopAbs_SHAPE);
while (baseEx.More && (facePosition != 1))
{
baseEx.Next();
facePosition--;
}
//if (!baseEx.More())
// return null;
TopoDSShape shape = null;
switch (shapeType)
{
case TopAbsShapeEnum.TopAbs_VERTEX:
shape = TopoDS.Vertex(baseEx.Current);
break;
case TopAbsShapeEnum.TopAbs_EDGE:
shape = TopoDS.Edge(baseEx.Current);
break;
case TopAbsShapeEnum.TopAbs_WIRE:
shape = TopoDS.Wire(baseEx.Current);
break;
case TopAbsShapeEnum.TopAbs_FACE:
shape = TopoDS.Face(baseEx.Current);
break;
case TopAbsShapeEnum.TopAbs_SOLID:
case TopAbsShapeEnum.TopAbs_COMPOUND:
return(originalShape);
}
return(shape);
}
/// <summary>
/// 0 - Shapes have no common edges
/// 1 - Shapes have some edges in common
/// 2 - Shape1 is inside the other
/// 3 - Shape2 is inside the other
/// </summary>
/// <param name="shape1"></param>
/// <param name="shape2"></param>
/// <returns></returns>
private static int RelativePosition(TopoDSShape shape1, TopoDSShape shape2)
{
var edgesShape1 = GeomUtils.ExtractEdges(shape1);
var edgesShape2 = GeomUtils.ExtractEdges(shape2);
if (edgesShape1.Count == 1 || edgesShape2.Count == 1)
{
var position = ShapeIsInsideShape(shape1, shape2);
if (position == 1)
{
return(2);
}
if (position == 2)
{
return(3);
}
}
int commonEdgesCount = 0;
for (int i = 0; i < edgesShape1.Count; i++)
{
bool found = false;
for (int j = 0; j < edgesShape2.Count && !found; j++)
{
if (EdgesAreIdentical(edgesShape1[i], edgesShape2[j]))
{
commonEdgesCount++;
found = true;
}
}
}
if (commonEdgesCount == edgesShape1.Count)
{
return(2);
}
if (commonEdgesCount == edgesShape2.Count)
{
return(3);
}
if (commonEdgesCount > 0)
{
return(1);
}
return(0);
}
