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Handle case where no faces found in View.

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This commit is contained in:
WandererFan 2016-09-07 15:41:35 -04:00
parent 70420d9e3b
commit 17fe63598f
1 changed files with 11 additions and 2 deletions
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13
src/Mod/TechDraw/App/EdgeWalker.cpp
View File

@ -155,10 +155,13 @@ ewWireList EdgeWalker::getResult()
std::vector<TopoDS_Wire> EdgeWalker::getResultWires()
{
std::vector<TopoDS_Wire> fw;
ewWireList result = m_eV.getResult();
if (result.wires.empty()) {
return fw;
}
std::vector<ewWire>::iterator iWire = result.wires.begin(); // a WE within [WE]
std::vector<TopoDS_Wire> fw;
for (;iWire != result.wires.end(); iWire++) {
std::vector<WalkerEdge>::iterator iEdge = (*iWire).wedges.begin();
std::vector<TopoDS_Edge> topoEdges;
@ -174,11 +177,14 @@ std::vector<TopoDS_Wire> EdgeWalker::getResultWires()
std::vector<TopoDS_Wire> EdgeWalker::getResultNoDups()
{
std::vector<TopoDS_Wire> fw;
ewWireList result = m_eV.getResult();
if (result.wires.empty()) {
return fw;
}
result = result.removeDuplicates();
std::vector<ewWire>::iterator iWire = result.wires.begin();
std::vector<TopoDS_Wire> fw;
for (;iWire != result.wires.end(); iWire++) {
std::vector<WalkerEdge>::iterator iEdge = (*iWire).wedges.begin();
std::vector<TopoDS_Edge> topoEdges;
@ -310,6 +316,9 @@ void ewWire::push_back(WalkerEdge w)
ewWireList ewWireList::removeDuplicates()
{
ewWireList result;
if (wires.empty()) {
return result;
}
result.push_back(*(wires.begin())); //save the first ewWire
std::vector<ewWire>::iterator iWire = (wires.begin()) + 1; //starting with second
for (; iWire != wires.end(); iWire++) {