Hi, Matt!
I wrote simple testing topo operator and have same problem as Andrew.
Cluster properties not updated. Testing UV operator create new edge as
split tool. I tested this operator on simple plane with 4 vertices. This
code is not universal and does not generate the algorithms, but shows the
general principle, which I was guided.
The problem occurs when I try set UV array and I have not found a solution how
to solve it:
#update new uv positions
#!!!uv not updated, since cluster properies not updated
output.Elements.Array = positionUV
If topology not changed (increase or decrease vertices) or change only UV
(operator for UV modify), it works well.
In attach my plugin.
Thanks!
import win32com.client
from win32com.client import constants
null = None
false = 0
true = 1
app = Application
log = app.LogMessage
def XSILoadPlugin( in_reg ):
in_reg.Author = "Gescort"
in_reg.Name = "UVOperatorPlugin"
in_reg.Major = 1
in_reg.Minor = 0
in_reg.RegisterOperator("UVOperator")
in_reg.RegisterCommand("ApplyUVOperator","ApplyUVOperator")
return true
def XSIUnloadPlugin( in_reg ):
strPluginName = in_reg.Name
Application.LogMessage(str(strPluginName) + str(" has been unloaded."),constants.siVerbose)
return true
def ApplyUVOperator_Init( in_ctxt ):
oCmd = in_ctxt.Source
oCmd.Description = "Create an instance of UVOperator operator"
oCmd.SetFlag(constants.siNoLogging,false)
return true
def ApplyUVOperator_Execute( ):
Application.LogMessage("ApplyUVOperator_Execute called",constants.siVerbose)
newOp = XSIFactory.CreateObject("UVOperator")
select = app.Selection[0]
newOp.AddOutputPort(select.ActivePrimitive)
newOp.AddInputPort(select.ActivePrimitive)
cls = select.ActivePrimitive.Geometry.Clusters
uv = None
for cl in cls:
if str(cl.Type) == 'sample':
props = cl.Properties
for prop in props:
if str(prop.Type) == 'uvspace':
uv = prop
if uv != None:
newOp.AddInputPort(uv)
newOp.AddOutputPort(uv)
newOp.Connect()
return newOp
def UVOperator_Define( in_ctxt ):
oCustomOperator = in_ctxt.Source
oCustomOperator.AlwaysEvaluate = false
oCustomOperator.Debug = 0
return true
def UVOperator_Init( in_ctxt ):
Application.LogMessage("UVOperator_Init called",constants.siVerboseMsg)
return true
def UVOperator_Term( in_ctxt ):
Application.LogMessage("UVOperator_Term called",constants.siVerboseMsg)
return true
def UVOperator_Update( in_ctxt ):
Application.LogMessage("UVOperator_Update called",constants.siVerboseMsg)
#get inputs
input0 = in_ctxt.GetInputValue(0)
input1 = in_ctxt.GetInputValue(1)
#get topo data
data = input0.Geometry.Get2()
#convert data to list
ndata = [[list(data[0][0]), list(data[0][1]), list(data[0][2])], list(data[1])]
#build custom geometry
#as example add 2 points (split edges)
#here should be custom algorithme
#first point
ndata[0][0].append(-2.52)
ndata[0][1].append(0.0)
ndata[0][2].append(4.0)
#second point
ndata[0][0].append(1.5)
ndata[0][1].append(0.0)
ndata[0][2].append(-4.0)
#modify polygon build data
#here should be custom algorithme
ndata[1] = [4, 0, 1, 4, 5, 4, 3, 2, 5, 4]
#get position UV
positionUV = input1.Elements.Array
positionUV = [list(positionUV[0]), list(positionUV[1]), list(positionUV[2])]
#add new sample positions, as example u = 0.0, v = 0.0, w = 0.0
#here should be custom algorithme
positionUV[0].append(0.0)
positionUV[0].append(0.0)
positionUV[0].append(0.0)
positionUV[0].append(0.0)
positionUV[1].append(0.0)
positionUV[1].append(0.0)
positionUV[1].append(0.0)
positionUV[1].append(0.0)
positionUV[2].append(0.0)
positionUV[2].append(0.0)
positionUV[2].append(0.0)
positionUV[2].append(0.0)
#output data
output = in_ctxt.OutputTarget
if str(output.Type) == 'polymsh':
#update new geometry
output.Geometry.Set(ndata[0], ndata[1])
elif str(output.Type) == 'uvspace':
#update new uv positions
#!!!uv not updated, since cluster properies not updated
output.Elements.Array = positionUV
return true
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