General Programming & Plugin Discussions

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  Read Before Posting
  general notes • • maxon  

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  Plugin OnFloor Final 1.2.4RC1
  showcase • • Passion3D  

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  Grand merci pour ce Plugin tellement simple et facile d'utilisation. Grand merci... Many thanks for this Plugin so simple and easy to use. Big thanks
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  SOLVED GLB extract textures
  python general programming • • JohnSmith  

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  Thanks everyone for the help, I figured it out. I tried the plugin on several dozen different models - no errors were found. I hope it will be useful to someone. Download glb_import plugin
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  SOLVED Some attempts at nondestructive modeling
  python r21 • • x_nerve  

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  Hi @x_nerve to get evidence of a sub-object to have changed its parameters' value you can use C4DAtom::GetHDirty() and use the HDIRTYFLAGS::OBJECTbit mask. Please be also sure to invoke the above method on the BaseObject returned by BaseTag::GetObject() Cheers, R
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  • iluxa7k  

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  SOLVED DirectSample doc
  python • • baca  

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  @m_adam said in DirectSample doc: position, direction, uvw, allocatedCount, transform, fullCount Thanks Maxime, this is works now. Much appreciated your details and solution. PS: I noticed it's still necessary to create temporary Polygon Object, otherwise it wouldn't sample tmpPoly = c4d.BaseObject(c4d.Opolygon) tmpPoly.ResizeObject(pCount , 0) tmpPoly.SetAllPoints(pPos)
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  SOLVED Cannot Connect Xpresso Nodes in Python
  • johntravolski  

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  Hi, here in Cinema 4D S22 defining the type of the cloner I don't have anymore an issue import c4d from c4d import gui import math def main(): # Build Parent Cloner cloner = c4d.BaseObject(1018544) cloner[c4d.ID_MG_MOTIONGENERATOR_MODE] = c4d.ID_MG_MOTIONGENERATOR_MODE_LINEAR doc.InsertObject(cloner) # Build Null newnull = c4d.BaseObject(c4d.Onull) newnull.InsertUnder(cloner) # Build Children Cloner internal_cloner = c4d.BaseObject(1018544) internal_cloner[c4d.ID_MG_MOTIONGENERATOR_MODE] = c4d.ID_MG_MOTIONGENERATOR_MODE_GRIDARRAY internal_cloner.InsertUnder(newnull) internal_cloner.Message(c4d.MSG_MENUPREPARE, doc) # Cube cube = c4d.BaseObject(c4d.Ocube) internal_cloner.Message(c4d.MSG_MENUPREPARE, doc) cube.InsertUnder(internal_cloner) # Xpresso Tag xtag = c4d.BaseTag(c4d.Texpresso) cloner.InsertTag(xtag) # Setup Parent Cloner cloner[c4d.MG_LINEAR_OBJECT_POSITION, c4d.VECTOR_Y] = 0.0 cloner[c4d.MG_LINEAR_OBJECT_POSITION, c4d.VECTOR_Z] = 500.0 cloner[c4d.MG_LINEAR_COUNT] = 10 cloner[c4d.MGCLONER_VOLUMEINSTANCES_MODE] = c4d.MGCLONER_VOLUMEINSTANCES_MODE_RENDERINSTANCE # Setup Children Cloner internal_cloner[c4d.MG_GRID_SIZE] = c4d.Vector(300, 200, 100) # Setup Cube cube[c4d.PRIM_CUBE_LEN] = c4d.Vector(20, 10, 100) # Setup Xpresso # http://mograph.net/board/index.php?/topic/26338-creating-xpresso-nodes-with-python-script/ nodemaster = xtag.GetNodeMaster() node1 = nodemaster.CreateNode(nodemaster.GetRoot(), c4d.ID_OPERATOR_OBJECT, None, 100, 100) node1[c4d.GV_OBJECT_OBJECT_ID] = internal_cloner gridResParam = c4d.DescID(c4d.DescLevel(c4d.MG_GRID_RESOLUTION, c4d.DTYPE_VECTOR,0), c4d.DescLevel(c4d.VECTOR_Z, c4d.DTYPE_REAL,0)) node1out = node1.AddPort(c4d.GV_PORT_OUTPUT, gridResParam) node2 = nodemaster.CreateNode(nodemaster.GetRoot(), c4d.ID_OPERATOR_OBJECT, None, 300, 100) node2[c4d.GV_OBJECT_OBJECT_ID] = cloner posParam = c4d.DescID(c4d.DescLevel(c4d.MG_LINEAR_OBJECT_POSITION, c4d.DTYPE_VECTOR,0), c4d.DescLevel(c4d.VECTOR_Z, c4d.DTYPE_REAL,0)) node2in = node2.AddPort(c4d.GV_PORT_INPUT, posParam) # Connect if node1out is not None and node2in is not None: node1out.Connect(node2in) c4d.EventAdd() # refreshed viewport to see changes automatically if __name__=='__main__': main() And as pointed by @PluginStudent the problem was because the AddPort fails. And I guess it failed because at the time you ask for the port creation since no explicit mode was defined in the Cloner the XPresso description was not properly fed so this GvPort didn't exist. Cheers, Maxime.
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  SOLVED How to Add Multiple Redshift Pazzle Matte AOVs
  python • • SuperHomiak  

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  hi, if you wants to know how many AOVs you need for 10 objects you should use Ceil. After that, some math to have your ID raising by 1. numberOfAOVs = math.ceil(10 / 3.0) # will give you 4 for i in xrange(int(numberOfAOVs)): print ("create aov number {}".format(i)) for j in xrange (3): print ("value of field will be : {}".format(j + i * 3 ) ) I'm not a big fan of retrieving all the objects on each function. But first, make things works, than optimize. (at least at the beginning) Cheers, Manuel
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  SOLVED Create a Redshift Camera with Python
  python r21 • • curripod00  

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  Thanks! For whatever reason I couldn't get that particular code to work, but I eventually figured out a different method. I think my script is finished for now.
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  SOLVED The layer material ID is the same as the node material ID.
  python r21 • • x_nerve  

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  Hi in C++ there is the BaseList2D.IsNodeBased method to check if a BaseList2D contains nodes and more interesting there is the NodeMaterial class that represents a Nodal Material, unfortunately, both are not available in Python. Note also that any type of material can be evaluated to a NodeMaterial and this will add the MaterialData the ability to use NodeGraph. So I confirm the only reliable way in Python to know if a material is a NodeBased one is to check the description. If you want to explicitly create a NodeBaseMaterial the only way for you do to do so is via CallCommand with c4d.CallCommand(202541) # New Node Material Cheers, Maxime.
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  SOLVED "Axis Center " Script button reuse problem
  python r21 • • x_nerve  

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  Thank you very much for your help to solve the previous doubts. I will continue to work hard.
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  SOLVED How to move splines in Python Generator?
  • SplineNoob  

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  Thanks for the answer. I will check it.
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  SOLVED Left-Hand Local Coordinates to Right-Hand Local Coordinates?
  python • • dskeith  

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  Thank you @zipit and @m_magalhaes for your replies! @zipit your response put me on the right track. The issue was that I was trying to do all of the conversions using C4D's left-handed coordinate matrices, and it was auto-fixing my "malformed" matrices. I ended up porting the Three.js Matrix4 and Euler classes from JS to python and using them in my script. So, the final code (leaving out the ported methods) looked something like: mg = self.op.GetMg() parent_mg = self.op.GetUpMg() c4d_to_three = c4d.Matrix( off=c4d.Vector(0), v1=c4d.Vector(1, 0, 0), v2=c4d.Vector(0, 1, 0), v3=c4d.Vector(0, 0, -1) ) # Convert to new coordinate space # http://www.techart3d.com/2016/02/convert-left-handed-to-right-handed-coordinates/ mg_three_coords = c4d_to_three * mg * c4d_to_three parent_mg_three_coords = c4d_to_three * parent_mg * c4d_to_three mg_mat4 = Matrix4(mg_three_coords) parent_mg_mat4 = Matrix4(parent_mg_three_coords) inv_parent_mg_mat4 = parent_mg_mat4.Clone() inv_parent_mg_mat4 = inv_parent_mg_mat4.Inverse() node_local = inv_parent_mg_mat4.Clone() node_local = node_local.MultiplyMatrices(inv_parent_mg_mat4, mg_mat4) position, scale, rotation = node_local.Decompose() if position != c4d.Vector(0): self.props["position"] = position if scale != c4d.Vector(1): self.props["scale"] = scale if rotation != c4d.Vector(0): self.props["rotation"] = rotation
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  SOLVED Stuck with loop through tags
  python • • SuperHomiak  

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  hi @SuperHomiak welcome to the forum. Thanks @zipit for the answer :) For your next threads, please help us keeping things organised and clean. I know it's not your priority but it really simplify our work here. Q&A New Functionality. How to Post Questions especially the tagging part. I've set the thread to a question and marked zipit answer as the right answer :) Cheers, Manuel
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  • PoeticStudio  

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  SOLVED Question about IDs for Python Dialog
  python • • vevi  

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  hi, I'll set this thread as solved without feedback from your side. Cheers, Manuel
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  SOLVED Access Class B's function inside Class A?
  python r21 • • bentraje  

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  @Cairyn @zipit @C4DS Thank you all for the responses. I ended up with @C4DS suggestion in using SpecialEventAdd() and CoreMessage for simplicity sake. Have a great day ahead!
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  Python - InExcludeData initialization problem
  • SolarPH  

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  Hi, @SolarPH said in Python - InExcludeData initialization problem: Now I know that initializing the InExcludeData is not InExcludeData.__init__ and the correct way was c4d.InExcludeData(), ... I am not quite sure how you did mean this, but InExcludeData.__init__ is one of the methods called when you invoke c4d.InExcludeData(). Like all double underscore methods __init__ implements an operator, in that case the construction operator. Invoking SomeClass() will first call the constructor SomeClass.__new__ and after that the initialisator SomeClass.__init__. Due to the fact that __new__ only rarely has to be implemented explicitly and because people are accustomed to talking about constructor functions, __init__ is also often called a constructor, while technically it is just the initialisator. A prime example would be both the InExcludeData documentation and my example code, which both talk about a copy constructor, but are actually referring to __init__ and not __new__. Cheers, zipit
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  SOLVED Create Proper Hierarchical Data for TreeView?
  python r21 • • bentraje  

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  Thanks for the clarification. Have a great day ahead!
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  Hide Layer in Layer Manager
  • Swinn  

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  Got it. Thanks.