def curveNode(cur):
bspline = False
rational = False
try:
poles = cur.getPoles()
weights = cur.getWeights()
except:
return False
try:
rational = cur.isRational()
except:
pass
try:
knots = cur.getKnots()
mults = cur.getMultiplicities()
bspline = True
except:
bspline = False
# *** Set poles ***
polesnode = coinNodes.coordinate3Node(poles)
# *** Set weights ***
weightStr = getString(weights)
polySep = coinNodes.polygonNode((0.5, 0.5, 0.5), 1)
polySep.vertices = poles
# *** Set markers ***
markerSep = coinNodes.markerSetNode((1, 0, 0),
coin.SoMarkerSet.DIAMOND_FILLED_9_9)
markerSep.color = [(1, 0, 0)] + [(0.5, 0.0, 0.5)] * (len(poles) - 1)
if rational:
# *** Set weight text ***
weightSep = coinNodes.multiTextNode((1, 0, 0), "osiFont,FreeSans,sans",
16, 0)
weightSep.data = (poles, weightStr)
if bspline:
# *** Set knots ***
knotPoints = []
for k in knots:
p = cur.value(k)
knotPoints.append((p.x, p.y, p.z))
knotsnode = coinNodes.coordinate3Node(knotPoints)
# *** Set texts ***
multStr = []
for m in mults:
multStr.append("\n%d" % m)
knotMarkerSep = coinNodes.markerSetNode(
(0, 0, 1), coin.SoMarkerSet.CIRCLE_FILLED_5_5)
knotMarkerSep.color = [(0, 0, 1)] * len(knotPoints)
# *** Set mult text ***
multSep = coinNodes.multiTextNode((0, 0, 1), "osiFont,FreeSans,sans",
16, 1)
multSep.data = (knotPoints, multStr)
vizSep = coin.SoSeparator()
vizSep.addChild(polesnode)
vizSep.addChild(polySep)
vizSep.addChild(markerSep)
if rational:
vizSep.addChild(weightSep)
if bspline:
vizSep.addChild(knotsnode)
vizSep.addChild(knotMarkerSep)
vizSep.addChild(multSep)
return vizSep
def surfNode(surf):
bspline = False
rational = False
try:
poles = surf.getPoles()
weights = surf.getWeights()
nbU = int(surf.NbUPoles)
nbV = int(surf.NbVPoles)
except:
return False
try:
rational = surf.isURational() or surf.isVRational()
except:
pass
try:
uknots = surf.getUKnots()
vknots = surf.getVKnots()
bspline = True
except:
bspline = False
# *** Set poles ***
flatPoles = to1D(poles)
polesnode = coinNodes.coordinate3Node(flatPoles)
# *** Set weights ***
flatW = to1D(weights)
weightStr = getString(flatW)
polyRowSep = coinNodes.rowNode((0.5, 0, 0), 1)
polyRowSep.vertices = (nbU, nbV)
polyRowSep.color = [(0.5, 0.0, 0.0)] * len(flatPoles)
polyColSep = coinNodes.colNode((0, 0, 0.5), 1)
polyColSep.vertices = (nbU, nbV)
polyColSep.color = [(0.0, 0.0, 0.5)] * len(flatPoles)
# *** Set markers ***
markerSep = coinNodes.markerSetNode((1, 0, 0),
coin.SoMarkerSet.DIAMOND_FILLED_9_9)
markerSep.color = [(1, 0, 0)] + [(0.5, 0.0, 0.5)] * (len(flatPoles) - 1)
u0, u1, v0, v1 = surf.bounds()
halfU = u0 + 1. * (u1 - u0) / 2
halfV = v0 + 1. * (v1 - v0) / 2
UPos = surf.value(halfU, v0)
Uletter = coinNodes.text2dNode((0, 0, 0), "osiFont,FreeSans,sans", 20,
(UPos.x, UPos.y, UPos.z), 'U')
VPos = surf.value(u0, halfV)
Vletter = coinNodes.text2dNode((0, 0, 0), "osiFont,FreeSans,sans", 20,
(VPos.x, VPos.y, VPos.z), 'V')
vizSep = coin.SoSeparator()
vizSep.addChild(polesnode)
vizSep.addChild(polyRowSep)
vizSep.addChild(polyColSep)
vizSep.addChild(markerSep)
vizSep.addChild(Uletter)
vizSep.addChild(Vletter)
if rational:
# *** Set weight text ***
weightSep = coinNodes.multiTextNode((1, 0, 0), "osiFont,FreeSans,sans",
16, 0)
weightSep.data = (flatPoles, weightStr)
vizSep.addChild(weightSep)
if bspline:
# *** Set knots ***
uknotPoints = []
nb_curves = 0
for k in uknots:
try:
uIso = surf.uIso(k)
epts = uIso.toShape().discretize(100)
if len(epts) == 100:
for p in epts:
uknotPoints.append((p.x, p.y, p.z))
nb_curves += 1
except:
FreeCAD.Console.PrintError("Error computing surface U Iso\n")
if nb_curves > 0:
uknotsnode = coinNodes.coordinate3Node(uknotPoints)
uCurves = coinNodes.rowNode((1.0, 0.5, 0.3), 3)
uCurves.color = [(1.0, 0.5, 0.3)] * 99
uCurves.color += [(0.7, 0.0, 0.3)] * (nb_curves - 1) * 99
uCurves.vertices = (nb_curves, 100)
vizSep.addChild(uknotsnode)
vizSep.addChild(uCurves)
vknotPoints = []
nb_curves = 0
for k in vknots:
try:
vIso = surf.vIso(k)
epts = vIso.toShape().discretize(100)
if len(epts) == 100:
for p in epts:
vknotPoints.append((p.x, p.y, p.z))
nb_curves += 1
except:
FreeCAD.Console.PrintError("Error computing surface V Iso\n")
if nb_curves > 0:
vknotsnode = coinNodes.coordinate3Node(vknotPoints)
vCurves = coinNodes.rowNode((0.3, 0.5, 1.0), 3)
vCurves.color = [(0.8, 0.8, 0.0)] * 99
vCurves.color += [(0.3, 0.0, 0.7)] * (nb_curves - 1) * 99
vCurves.vertices = (nb_curves, 100)
vizSep.addChild(vknotsnode)
vizSep.addChild(vCurves)
# removed because of several FC crashes
## ***** isoCurves ******
#uparam = paramList(16,u0,u1)
#uisoPoints = []
#nb_curves = 0
#for k in uparam:
#try:
#uIso = surf.uIso(k)
#epts = uIso.toShape().discretize(100)
#if len(epts) == 100:
#for p in epts:
#uisoPoints.append((p.x,p.y,p.z))
#nb_curves += 1
#except:
#FreeCAD.Console.PrintError("Error computing surface U Iso\n")
#if nb_curves > 0:
#uisonode = coinNodes.coordinate3Node(uisoPoints)
#uisoCurves = coinNodes.rowNode((0.0,0.0,0.0),1)
#uisoCurves.transparency = 0.8
#uisoCurves.vertices=(nb_curves,100)
#vizSep.addChild(uisonode)
#vizSep.addChild(uisoCurves)
##debug(str(uCurves.vertices))
#vparam = paramList(16,v0,v1)
#visoPoints = []
#nb_curves = 0
#for k in vparam:
#try:
#vIso = surf.vIso(k)
#epts = vIso.toShape().discretize(100)
#if len(epts) == 100:
#for p in epts:
#vknotPoints.append((p.x,p.y,p.z))
#nb_curves += 1
#except:
#FreeCAD.Console.PrintError("Error computing surface V Iso\n")
#if nb_curves > 0:
#visonode = coinNodes.coordinate3Node(visoPoints)
#visoCurves = coinNodes.rowNode((0.0,0.0,0.0),1)
#visoCurves.transparency = 0.8
#visoCurves.vertices=(nb_curves,100)
#vizSep.addChild(visonode)
#vizSep.addChild(visoCurves)
## *** Set texts ***
#multStr = []
#for m in mults:
#multStr.append("%d"%m)
#knotMarkerSep = coinNodes.markerSetNode((0,0,1),coin.SoMarkerSet.CIRCLE_FILLED_9_9)
## *** Set mult text ***
#multSep = coinNodes.multiTextNode((0,0,1),"osiFont,FreeSans,sans",16,1)
#multSep.data = (knotPoints,multStr)
return vizSep