Break Connections

Maya
1

Hi,
i want to break texture and shader connections through MEL,
but the problem with layeredShaders and normal Shaders(blinn,lambert etc...)
How to make the condition here to break both the shaders at a time.
This is my script now it breaks LayeredShaders,but problem with normal shader nodes.

global proc breakTexConnections()
{
string $selList[] = ls -mat;
string $selTex[] = ls -tex;
string $lShader[] = ls -typ "layeredShader";
for( $i=0; $i<size( $selList ); $i++ )
{
catch(connectionInfo -id ($lShader[$i] +".inputs[0]" + ".color" ));
string $breakInfo = connectionInfo -sourceFromDestination ( $lShader[$i] +".inputs[0]" + ".color" );
catch ( disconnectAttr $breakInfo ( $lShader[$i] +".inputs[0]" + ".color" ) );
setAttr ($lShader[$i] +".inputs[0]" + ".color") -type double3 1 1 1 ;
}
if( connectionInfo -id ( $selList[$i] + ".color" ) )
{
string $breakInfo = connectionInfo -sourceFromDestination ( $selList[$i] + ".color" );
catch ( disconnectAttr $breakInfo ( $selList[$i]+".color" ) );
setAttr ($selList[$i]+".color") -type double3 1 1 1;
setAttr "layeredShader1.inputs[0].color" -type double3 1 1 1 ;
}
}

Thanks.

2

You shoudl actually do it differently. you should ask all shading groups in existence then list all their connections and disconnect them.

3

Not sure what your exactly after but thsi should do the trick:

CODE
for ($item in listHistory("-f",0,"-ag",1,ls -et shadingEngine)){
  $list=getEverySecond2(listConnections -c 1 -p 1 -s 0 -d 1 $item);
  for($i=0;$i<size($list);$i+=1){
    if (match "[.]color$" $list[$i+1]!=""){
      print ("disconnected: "+connectionInfo -sfd $list[$i+1]+" "+$list[$i+1]);
      disconnectAttr  connectionInfo -sfd $list[$i+1] $list[$i+1];
    }
  }

}

4

CODE
global proc breakTexConnections()
{
    string $selTex[] = ls -tex;
    for($each in ls -mat)
    {
    if(nodeType $each == "layeredShader")
        {
        string $LSconns[] = listConnections -c 1 -s 1 -d 0 $each;
               for($LScon in $LSconns)
            {
            string $buffer[];
            tokenize ($LScon, ".", $buffer);
            if(gmatch $buffer[1] "inputs*")
                {
                string $theSource = connectionInfo -sourceFromDestination $LScon;
                disconnectAttr $theSource $LScon;
                string $theNode = $buffer[0];
                string $theAttr = $buffer[1];
                setAttr ($theNode + "." + $theAttr + ".color") -type double3 1 1 1;
                }
            }
        }
    string $conns[] = listConnections -p 1 -s 1 -d 0 $each;
    for ($conn in $conns)
        {
        string $buffer02[];
        tokenize($conn, ".", $buffer02);
        string $nodeName = $buffer02[0];
        string $nodeType[] = nodeType -i $nodeName;
        if($nodeType[0] == "texture2d" || $nodeType[0] == "texture3d")
            {
            string $theDestination[] = connectionInfo -destinationFromSource $conn;
                      disconnectAttr $conn $theDestination[0];
            }
        }
    }
}

I know little bit long but It works for me. Hope it helps.

5

CODE
source channelBoxCommand.mel;
for($i in ls -mat){
    if(nodeType $i != "layeredShader"){
    CBdeleteConnection($i+".color");
    CBdeleteConnection($i+".transparency");
    CBdeleteConnection($i+".incandescence");
    if(nodeType $i != "particleCloud")
    CBdeleteConnection($i+".ambientColor");
   }
}

QUOTE
I know little bit long but It works for me. Hope it helps.

6

Yah, its working but, the problem with shader to render node shader connections.like blinn.outColor and Phonge.color.There is no connection then i want that material 1 1 1. My file has various connections.and also
where we can find "channelBoxCommand.mel" ?