I want to do dag menu hack and i am not that good in mel can any one
give me a clue how to  do it using python
Thanks in advance :D




On 9/11/12, Justin Israel <[email protected]> wrote:
> Probably this:
> (http://pastebin.com/fAgffsQf)
>
> def attachPref(sh, worldSpace):
>     a= "%s.%s" % (sh, "delightVertexPointPref")
>     if cmds.objExists(a):
>         cmds.addAttr(sh, dt="doubleArray", ln="delightVertexPointPref")
>
>     # get points positons and write into one big string $data
>     ptsCnt = cmds.getAttr("%s.controlPoints" % sh, s=True)
>     data = [3*ptsCnt]
>     for i in xrange(ptsCnt):
>         if worldSpace:
>             pos = cmds.xform("%s.vtx[%d]" % (sh, i), q=True, ws=True,
> t=True)
>         else:
>             pos = cmds.xform("%s.vtx[%d]" % (sh, i), q=True)
>         data.extend(pos)
>
>     cmds.setAttr(a, data, type="doubleArray")
>
>
> In python you can build up a list instead of formatting a string.
>
>
> On Tue, Sep 11, 2012 at 8:43 AM, f.michal <[email protected]> wrote:
>> Hello
>> I have a workin MEL code that I need to convert to python.
>> I'm not really sure how would I set values on doubleArray attributes -
>> it's
>> weird already with MEL.
>>
>> So, what would be the translation of following into python :
>>
>> global proc attachPref(string $sh, int $worldSpace)
>> {
>>     string $a= $sh + "." + "delightVertexPointPref";
>>     if(!`objExists ($a)`)
>>         addAttr -dt "doubleArray" -ln "delightVertexPointPref" $sh;
>>
>>     //get points positons and write into one big string $data
>>     int $ptsCnt= `getAttr -s ($sh+".controlPoints")`;
>>     string $data;
>>     float $pos[3];
>>     for($i= 0; $i<$ptsCnt; ++$i) {
>>         if($worldSpace)    $pos= `xform -q -ws -t ($sh + ".vtx[" + $i +
>> "]")`;
>>         else            $pos= `xform -q     -t ($sh + ".vtx[" + $i +
>> "]")`;
>>         $data += $pos[0] + " " + $pos[1] + " " + $pos[2] + " ";
>>     }
>>
>>     eval setAttr $a -type "doubleArray" (3*$ptsCnt) $data;
>> }
>>
>> The last line is the important part :)
>>
>> Thanks !
>> ps. this is urgent :)
>>
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