int OCCWire::chamfer(std::vector<OCCVertex *> vertices, std::vector<double> distances) {
int vertices_size = vertices.size();
int distances_size = distances.size();
BRepFilletAPI_MakeFillet2d MF;
try {
if (this->getShape().IsNull()) {
StdFail_NotDone::Raise("Shapes is Null");
}
MF.Init(BRepBuilderAPI_MakeFace(this->getWire()));
// creat map of vertices
TopTools_IndexedMapOfShape vertMap;
for (unsigned i=0; i<vertices.size(); i++)
vertMap.Add(vertices[i]->getShape());
bool first = true;
TopoDS_Edge firstEdge, nextEdge;
TopoDS_Vertex vertex;
BRepTools_WireExplorer Ex1;
for (Ex1.Init(this->getWire()); Ex1.More(); ) {
if(first == true) {
firstEdge = Ex1.Current();
first = false;
}
Ex1.Next();
//if the number of edges is odd don't proceed
if(Ex1.More() == Standard_False)
break;
nextEdge = Ex1.Current();
//get the common vertex of the two edges
if (!TopExp::CommonVertex(firstEdge, nextEdge, vertex)) {
// disconnected wire
first = true;
continue;
}
if (vertMap.Contains(vertex)) {
int i = vertMap.FindIndex(vertex) - 1;
if (distances_size == 1) {
// single distance
MF.AddChamfer(firstEdge, nextEdge, distances[0], distances[0]);
} else if (distances_size == vertices_size) {
// distance given for each vertex
MF.AddChamfer(firstEdge, nextEdge, distances[i], distances[i]);
} else {
StdFail_NotDone::Raise("distances argument has wrong size");
}
}
firstEdge = nextEdge;
}
// special case for closed wire
if (isClosed()) {
// find seam vertex
TopoDS_Vertex aV1;
TopExp::Vertices(this->getWire(), vertex, aV1);
// check if seam vertex has chamfer value
if (vertMap.Contains(vertex)) {
int i = vertMap.FindIndex(vertex) - 1;
// map vertices to edges to find edge pair
TopTools_IndexedDataMapOfShapeListOfShape mapVertexEdge;
TopExp::MapShapesAndAncestors(this->getWire(), TopAbs_VERTEX, TopAbs_EDGE, mapVertexEdge);
const TopTools_ListOfShape& edges = mapVertexEdge.FindFromKey(vertex);
firstEdge = TopoDS::Edge(edges.First());
nextEdge = TopoDS::Edge(edges.Last());
if (distances_size == 1) {
// single distance
MF.AddChamfer(firstEdge, nextEdge, distances[0], distances[0]);
} else if (distances_size == vertices_size) {
// distance given for each vertex
MF.AddChamfer(firstEdge, nextEdge, distances[i], distances[i]);
} else {
StdFail_NotDone::Raise("distances argument has wrong size");
}
}
}
if(MF.Status() != ChFi2d_IsDone)
StdFail_NotDone::Raise("chamfer operation failed");
TopTools_IndexedMapOfShape aMap;
TopExp::MapShapes(MF.Shape(), TopAbs_WIRE, aMap);
if(aMap.Extent() != 1)
StdFail_NotDone::Raise("chamfer result did not result in single wire");;
//add edges to the wire
BRepBuilderAPI_MakeWire wire;
BRepTools_WireExplorer Ex2;
for(Ex2.Init(TopoDS::Wire(aMap(1))); Ex2.More(); Ex2.Next())
{
wire.Add(Ex2.Current());
}
this->setShape(wire.Shape());
// possible fix shape
if (!this->fixShape())
StdFail_NotDone::Raise("Shapes not valid");
} catch(Standard_Failure &err) {
Handle_Standard_Failure e = Standard_Failure::Caught();
const Standard_CString msg = e->GetMessageString();
if (msg != NULL && strlen(msg) > 1) {
setErrorMessage(msg);
} else {
setErrorMessage("Failed to chamfer wire");
}
return 0;
}
return 1;
}
int OCCWire::fillet(std::vector<OCCVertex *> vertices, std::vector<double> radius) {
int vertices_size = vertices.size();
int radius_size = radius.size();
BRepFilletAPI_MakeFillet2d MF;
try {
if (this->getShape().IsNull()) {
StdFail_NotDone::Raise("Shapes is Null");
}
MF.Init(BRepBuilderAPI_MakeFace(this->getWire()));
for (unsigned i=0; i<vertices.size(); i++) {
OCCVertex *vertex = vertices[i];
if (radius_size == 1) {
// single radius
MF.AddFillet(vertex->getVertex(), radius[0]);
} else if (radius_size == vertices_size) {
// radius given for each vertex
MF.AddFillet(vertex->getVertex(), radius[i]);
} else {
StdFail_NotDone::Raise("radius argument has wrong size");
}
}
if(MF.Status() != ChFi2d_IsDone)
StdFail_NotDone::Raise("fillet not completed");
BRepBuilderAPI_MakeWire wire;
TopTools_IndexedMapOfShape aMap;
BRepTools_WireExplorer Ex;
TopExp::MapShapes(MF.Shape(), TopAbs_WIRE, aMap);
if(aMap.Extent() != 1)
StdFail_NotDone::Raise("Fillet operation did not result in single wire");
//add edges to the wire
Ex.Clear();
for(Ex.Init(TopoDS::Wire(aMap(1))); Ex.More(); Ex.Next())
{
wire.Add(Ex.Current());
}
this->setShape(wire);
// possible fix shape
if (!this->fixShape())
StdFail_NotDone::Raise("Shapes not valid");
} catch(Standard_Failure &err) {
Handle_Standard_Failure e = Standard_Failure::Caught();
const Standard_CString msg = e->GetMessageString();
if (msg != NULL && strlen(msg) > 1) {
setErrorMessage(msg);
} else {
setErrorMessage("Failed to fillet wire");
}
return 0;
}
return 1;
}
