findCollapsesFromExistingVertices method
Adds nodes for any collapsed edge pairs which are pre-existing in the vertex list.
Implementation
void findCollapsesFromExistingVertices(List<int> collapsedVertexIndexes) {
for (int i = 0; i < edge.size() - 2; i++) {
Coordinate p0 = edge.getCoordinate(i);
Coordinate p1 = edge.getCoordinate(i + 1);
Coordinate p2 = edge.getCoordinate(i + 2);
if (p0.equals2D(p2)) {
// add base of collapse as node
collapsedVertexIndexes.add(i + 1);
}
}
}