def key_down(viewer, key, modifier):
if key == ord('1'):
# Draw the triangulated quad mesh
viewer.data().set_mesh(VQC, FQCtri)
# Assign a color to each quad that corresponds to its planarity
planarity = igl.eigen.MatrixXd()
igl.quad_planarity(VQC, FQC, planarity)
Ct = igl.eigen.MatrixXd()
igl.jet(planarity, 0, 0.01, Ct)
C = igl.eigen.MatrixXd(FQCtri.rows(), 3)
C.setTopRows(Ct.rows(), Ct)
C.setBottomRows(Ct.rows(), Ct)
viewer.data().set_colors(C)
# Plot a line for each edge of the quad mesh
viewer.data().add_edges(PQC0, PQC1, igl.eigen.MatrixXd([[0, 0, 0]]))
viewer.data().add_edges(PQC1, PQC2, igl.eigen.MatrixXd([[0, 0, 0]]))
viewer.data().add_edges(PQC2, PQC3, igl.eigen.MatrixXd([[0, 0, 0]]))
viewer.data().add_edges(PQC3, PQC0, igl.eigen.MatrixXd([[0, 0, 0]]))
elif key == ord('2'):
# Draw the planar quad mesh
viewer.data().set_mesh(VQCplan, FQCtri)
# Assign a color to each quad that corresponds to its planarity
planarity = igl.eigen.MatrixXd()
igl.quad_planarity(VQCplan, FQC, planarity)
Ct = igl.eigen.MatrixXd()
igl.jet(planarity, 0, 0.01, Ct)
C = igl.eigen.MatrixXd(FQCtri.rows(), 3)
C.setTopRows(Ct.rows(), Ct)
C.setBottomRows(Ct.rows(), Ct)
viewer.data().set_colors(C)
# Plot a line for each edge of the quad mesh
viewer.data().add_edges(PQC0plan, PQC1plan,
igl.eigen.MatrixXd([[0, 0, 0]]))
viewer.data().add_edges(PQC1plan, PQC2plan,
igl.eigen.MatrixXd([[0, 0, 0]]))
viewer.data().add_edges(PQC2plan, PQC3plan,
igl.eigen.MatrixXd([[0, 0, 0]]))
viewer.data().add_edges(PQC3plan, PQC0plan,
igl.eigen.MatrixXd([[0, 0, 0]]))
else:
return False
return True
def key_down(viewer, key, modifier):
if key == ord('1'):
# Draw the triangulated quad mesh
viewer.data.set_mesh(VQC, FQCtri)
# Assign a color to each quad that corresponds to its planarity
planarity = igl.eigen.MatrixXd()
igl.quad_planarity(VQC, FQC, planarity)
Ct = igl.eigen.MatrixXd()
igl.jet(planarity, 0, 0.01, Ct)
C = igl.eigen.MatrixXd(FQCtri.rows(), 3)
C.setTopRows(Ct.rows(), Ct)
C.setBottomRows(Ct.rows(), Ct)
viewer.data.set_colors(C)
# Plot a line for each edge of the quad mesh
viewer.data.add_edges(PQC0, PQC1, igl.eigen.MatrixXd([[0, 0, 0]]))
viewer.data.add_edges(PQC1, PQC2, igl.eigen.MatrixXd([[0, 0, 0]]))
viewer.data.add_edges(PQC2, PQC3, igl.eigen.MatrixXd([[0, 0, 0]]))
viewer.data.add_edges(PQC3, PQC0, igl.eigen.MatrixXd([[0, 0, 0]]))
elif key == ord('2'):
# Draw the planar quad mesh
viewer.data.set_mesh(VQCplan, FQCtri)
# Assign a color to each quad that corresponds to its planarity
planarity = igl.eigen.MatrixXd()
igl.quad_planarity(VQCplan, FQC, planarity)
Ct = igl.eigen.MatrixXd()
igl.jet(planarity, 0, 0.01, Ct)
C = igl.eigen.MatrixXd(FQCtri.rows(), 3)
C.setTopRows(Ct.rows(), Ct)
C.setBottomRows(Ct.rows(), Ct)
viewer.data.set_colors(C)
# Plot a line for each edge of the quad mesh
viewer.data.add_edges(PQC0plan, PQC1plan, igl.eigen.MatrixXd([[0, 0, 0]]))
viewer.data.add_edges(PQC1plan, PQC2plan, igl.eigen.MatrixXd([[0, 0, 0]]))
viewer.data.add_edges(PQC2plan, PQC3plan, igl.eigen.MatrixXd([[0, 0, 0]]))
viewer.data.add_edges(PQC3plan, PQC0plan, igl.eigen.MatrixXd([[0, 0, 0]]))
else:
return False
return True