private AISShape AddToContext(NodeBuilder builder, TopoDSShape sourceShape, gpTrsf mirrorTransform)
{
var shape = new BRepBuilderAPITransform(sourceShape, mirrorTransform, true).Shape;
var aisShape = new AISShape(shape);
_context.Display(aisShape, false);
_context.SetTransparency(aisShape, 0.8, false);
ApplyColor(builder, aisShape);
return(aisShape);
}
protected static TopoDSShape ApplyEvolveOnShape(gpTrsf mirrorTransform, TopoDSShape sourceShape)
{
try
{
var myBRepTransformation = new BRepBuilderAPITransform(mirrorTransform);
myBRepTransformation.Perform(sourceShape, true);
return(myBRepTransformation.IsDone ? myBRepTransformation.Shape : null);
}
catch (Exception ex)
{
Log.Error("Error on making mirror: " + ex.Message);
return(null);
}
}
/// <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 override bool Execute()
{
// Get the reference nodes to see if Cut was applied or it is the first time
var cutShapes = Dependency[3].ReferenceList;
if (cutShapes == null)
{
return(false);
}
var rootNode = Parent.Root;
// Get the Cut dependencies (cutting shape, cut depth and cut type)
var cuttingShape = Dependency[0].ReferedShape;
var sketchNode = Dependency[0].ReferenceBuilder.Node;
var faces = AutoGroupLogic.BuildAutoFaces(sketchNode, rootNode.Get <DocumentContextInterpreter>().Document);
var depth = Dependency[1].Real;
var cutType = (CutTypes)Dependency[2].Integer;
cuttingShape = faces.First(); // firstFace.Shape;
// Test the cutting shape
if (cuttingShape == null || cuttingShape.IsNull)
{
return(false);
}
var dir = GeomUtils.ExtractDirection(cuttingShape) ??
sketchNode.Children[1].Get <Axis3DInterpreter>().Axis.GpAxis.Direction;
// Build a list with the cutting prisms used to Cut the objects
var cuttingPrisms = new List <TopoDSShape>();
var depthM = cutType == CutTypes.ToDepth ? depth : 7000;
if (Math.Abs(depthM) < Precision.Confusion)
{
depthM = 0.1;
}
foreach (var face in faces)
{
TopoDSShape cutPrismShape = null;
var translationVector = new gpVec(dir);
translationVector.Multiply(-1 * depthM / 2);
var transformation = new gpTrsf();
transformation.SetTranslation(translationVector);
var brepTrans = new BRepBuilderAPITransform(face, transformation, false);
var translatedShape = brepTrans.Shape;
var translatedFace = translatedShape;
// Describe the height through a vector
var vector = new gpVec(dir);
vector.Multiply(depthM);
// Make the prism
cutPrismShape = new BRepPrimAPIMakePrism(translatedFace, vector, false, true).Shape;
cuttingPrisms.Add(cutPrismShape);
}
if (cuttingPrisms.Count == 0)
{
return(false);
}
var document = rootNode.Get <DocumentContextInterpreter>().Document;
var shapeList = new List <int>();
if (Dependency[3].ReferenceList.Count > 0)
{
shapeList.AddRange(Dependency[3].ReferenceList.Select(sse => sse.Node.Index));
}
else
{
shapeList.AddRange(NodeUtils.GetDocumentSolids(document));
shapeList.Remove(Parent.Index);
}
TopoDSShape resShape = null;
foreach (var cuttingPrism in cuttingPrisms)
{
// If the Cut is executed first time
if (cutShapes.Count <= 0 || resShape == null)
{
// Put back the shapes
// Cut them again
var cutModifiedNodes = new List <SceneSelectedEntity>();
resShape = CutThroughAll(rootNode, cuttingPrism, cutModifiedNodes, shapeList);
Dependency[3].ReferenceList = cutModifiedNodes;
cutShapes = Dependency[3].ReferenceList;
}
else
{
// Execute Cut on the shapes from ReferenceList
resShape = CutThroughShape(resShape, cuttingPrism);
}
}
if (resShape == null)
{
return(false);
}
// Show the new Cut shape
Shape = resShape;
return(true);
}
