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Hi, I'd like to present you a simple script. It let you automatically select all UV borders and break their Phong shading, that might be useful for game modeling, especially with hardsurface props. More info about hard edges - http://www.polycount.com/forum/showthread.php?t=107196
Unfortunately, the 'Texture View' window must be opened at least once for properly work Just close 'Texture View' and continue work.
Video: https://vimeo.com/317072443
Download link: https://github.com/rocketjump4d/UV2PhongEdges
I've wrote it by myself Its presentation is here: https://plugincafe.maxon.net/topic/11336/script-harden-edges-of-all-uv-borders-break-phong-shading May be it'll be useful for someone Cheers
Hello guys, I rewritten script UV2PhongEdges (weird name, I know :D) from scratch. Now it should works much faster. Also UNDO finally works, yyyeeeey!
UV2PhongEdges
You can download it here https://github.com/rocketjump4d/UV2PhongEdges
And here is an example https://vimeo.com/447775062
Also, if you just need to get edges indexes of all UV borders you can use this code:
import c4d from c4d import utils def GetUVBorders(obj): edgesIndexes = set() abcd = tuple("abcd") tuvw = obj.GetTag(c4d.Tuvw) nbr = utils.Neighbor() nbr.Init(obj) # Create empty set for `edgesVV` # In this case `edgeVV` means `Edge between Vertex0 and Vertex1 (edgeVertexVertex)` # edgeVV is just a tuple(v0, v1), where v0 is index of the first vertex # and v1 is the second one allEdgesVV = set() for i in xrange(obj.GetPointCount()): # Find neighbor vertex for this one neighborIndexes = nbr.GetPointOneRingPoints(i) for ni in neighborIndexes: edgeTuple = (i, ni) allEdgesVV.add(edgeTuple) # At this point I've got a set of all `edgesVV` of the object # Something like this: # (0, 3) # (0, 5) # (5, 1) for edgeVV in allEdgesVV: # Find neighbour polygons for this edge # I called them polyA and polyB polyAIndex, polyBIndex = nbr.GetEdgePolys(edgeVV[0], edgeVV[1]) polyA = obj.GetPolygon(polyAIndex) if polyBIndex is c4d.NOTOK: # There is no polyB. It means that this edge is border of the object # eiA stands for `Edge Index in polyA for current edgeVV` eiA = polyAIndex * 4 + polyA.FindEdge(edgeVV[0], edgeVV[1]) edgesIndexes.add(eiA) continue polyB = obj.GetPolygon(polyBIndex) # piA0 stands for `Point Index in polyA for vertex edgeVV[0]` # the same for others piA0 = polyA.Find(edgeVV[0]) piA1 = polyA.Find(edgeVV[1]) piB0 = polyB.Find(edgeVV[0]) piB1 = polyB.Find(edgeVV[1]) # Replace "d" (3) to "c" (2) if polygon is triangle if polyA.IsTriangle() and piA0 == 3: piA0 = 2 if polyA.IsTriangle() and piA1 == 3: piA1 = 2 if polyB.IsTriangle() and piB0 == 3: piB0 = 2 if polyB.IsTriangle() and piB1 == 3: piB1 = 2 # Get UV coordinates for each point in each polygon uvCoordA0 = tuvw.GetSlow(polyAIndex)[abcd[piA0]] uvCoordA1 = tuvw.GetSlow(polyAIndex)[abcd[piA1]] uvCoordB0 = tuvw.GetSlow(polyBIndex)[abcd[piB0]] uvCoordB1 = tuvw.GetSlow(polyBIndex)[abcd[piB1]] if uvCoordA0 != uvCoordB0 or uvCoordA1 != uvCoordB1: eiA = polyAIndex * 4 + polyA.FindEdge(edgeVV[0], edgeVV[1]) eiB = polyBIndex * 4 + polyB.FindEdge(edgeVV[0], edgeVV[1]) edgesIndexes.add(eiA) edgesIndexes.add(eiB) return edgesIndexes
Let me know if you find bugs. Btw, sorry any mistakes. My English is... meh
Hello guys, where I can report a bug?
There are Bug Reports but it looks dead.
@fritz thank you very much, it works!
Roger that, thanks again. I wasn't sure that the developers were aware. Sorry for annoy you Cheers
Hello guys, This bug is still exists in S24. I made a video to show how it worked before (R21) and now (S22, R23, S24).
https://vimeo.com/558586168
For test I used the script from this page. The only difference I made is decreased value from 1000.0 to 0. It's just for convenience.
value
1000.0
0
This script should mirrors selected object, when settings[c4d.MDATA_MIRROR_DUPLICATE] is False. It works in R21 and doesn't work in any late releases. Could you fix it? I'm still using R21 because of this bug
settings[c4d.MDATA_MIRROR_DUPLICATE]
False
@m_magalhaes Got it, thanks
Hi, I've just tested this script in R23. It doesn't work One of my own scripts cannot work without this function. Guys, you're really awesome! I love C4D, and hope you can fix it
May be I can help somehow? I can upload the example scene, if you need it.
Hello guys, It's something weird with MCOMMAND_MIRROR in S22.
MCOMMAND_MIRROR
This script (thanks to m_adam) duplicates and mirrors the object.
import c4d def main(): # Checks if selected object is valid if op is None: raise ValueError("op is none, please select one object.") # Defines some general settings, take care MDATA_MIRROR_VALUE, MDATA_MIRROR_SYSTEM and MDATA_MIRROR_PLANE settings = c4d.BaseContainer() settings[c4d.MDATA_MIRROR_DUPLICATE] = True settings[c4d.MDATA_MIRROR_SELECTIONS] = True settings[c4d.MDATA_MIRROR_ONPLANE] = True settings[c4d.MDATA_MIRROR_WELD] = True settings[c4d.MDATA_MIRROR_TOLERANCE] = 0.01 # Corresponds to MDATA_MIRROR_VALUE, MDATA_MIRROR_SYSTEM and MDATA_MIRROR_PLANE value = 1000.0 system = 0 # 0 = Object, 1 = World plane = 1 # 0 = XY, 1 = ZY, 2 = XZ if not 0 <= system < 2: raise ValueError("System can only be 0 or 1") # Buffer position vector pos = c4d.Vector() # Calculates Local (Object) coordinates if system == 0: globalMatrix = op.GetMg() if plane == 0: pos = globalMatrix.v3 elif plane == 1: pos = globalMatrix.v1 elif plane == 2: pos = globalMatrix.v2 settings[c4d.MDATA_MIRROR_POINT] = globalMatrix.off + pos * value settings[c4d.MDATA_MIRROR_VECTOR] = pos # Calculates World coordinates elif system == 1: if plane == 0: pos = c4d.Vector(0.0, 0.0, 1.0) elif plane == 1: pos = c4d.Vector(1.0, 0.0, 0.0) elif plane == 2: pos = c4d.Vector(0.0, 1.0, 0.0) settings[c4d.MDATA_MIRROR_POINT] = pos * value settings[c4d.MDATA_MIRROR_VECTOR] = pos # Send the Modeling Operation res = c4d.utils.SendModelingCommand(c4d.MCOMMAND_MIRROR, [op], c4d.MODELINGCOMMANDMODE_ALL, settings, doc) c4d.EventAdd() if __name__ == "__main__": main()
However, if I change
settings[c4d.MDATA_MIRROR_DUPLICATE] = True
to
settings[c4d.MDATA_MIRROR_DUPLICATE] = False
Script doesn't make anything. In R20 it works. Is it ok? Is there any way to just mirror the object without duplicate it?
P.S. Also, if I use Mirror (https://help.maxon.net/index.html#5633) with unchecked Duplicate Points everything works (in S22).
Mirror
Duplicate Points
Cinema 4D S22.118 Windows 10
Hi @m_adam Thank you for your reply. It works perfectly!
Hi there, I'm trying to mirror object via SendModelingCommand(c4d.MCOMMAND_MIRROR, ..) But I cann't understand how to change a coordinate system. According to the documentation this options is called MDATA_MIRROR_SYSTEM and it's int type. Its description says Coordinate system. (See dialog.) I believe it is the dialog:
SendModelingCommand(c4d.MCOMMAND_MIRROR, ..)
MDATA_MIRROR_SYSTEM
int
Coordinate system. (See dialog.)
It seems like 0 means Object, 1 - World, 2 - Screen. I tried different values from 0 to 30, but it didn't take any effect.
The code I'm using:
settings = c4d.BaseContainer() settings[c4d.MDATA_MIRROR_SYSTEM] = 0 res = utils.SendModelingCommand(c4d.MCOMMAND_MIRROR, [obj], c4d.MODELINGCOMMANDMODE_ALL, settings, doc)
I cannot change MDATA_MIRROR_PLANE either. There is no additional information in the documentation. Drag'n'drop for these fields doesn't work. It's strange, because it works perfectly for other tools.
MDATA_MIRROR_PLANE
I found this post (from 2011) https://plugincafe.maxon.net/topic/5497/5516_mirror-tool-bug It seems that bug is still alive
Version: R20 Platform: Windows
Cheers