shadow Matte Settings Vray Maya

From the blog http://polygonspixelsandpaint.tumblr.com/post/963324234

.. got this ..

Using UDIM maps in houdini

You need to check "UDIM Filename Expansion".

Than if you have UDIM textures like "pic.1001.tif" in filename need to enter "pic.%(UDIM)d.tif".

Sierpinski_triangle

Crie um Cubo e Rode o Script com o Cubo selecionado :

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global proc int sierp(int $counter , int $max) { int $currentCounter = $counter ; if($currentCounter == $max) { return 0 ; } string $objs[]; clear($objs); $objs = `ls -sl -tr`; string $newObjsList[]; clear($newObjsList); for( $item in $objs) { string $tempArray[]; // pega Bouding Box float $bbox[]= `polyEvaluate -b $item`; // separa em elemtos float $xmin = $bbox[0]; float $xmax = $bbox[1]; float $ymin = $bbox[2]; float $ymax = $bbox[3]; float $zmin = $bbox[4]; float $zmax = $bbox[5]; //print $xmin ; //print "\n" ; //print $xmax ; //print "\n" ; // acha divisoes float $quarter = ($xmax - $xmin)/4; float $half = ($xmax - $xmin) /2; float $leftQuarter = ($xmin + $quarter); float $rightQuarter = ($xmax - $quarter); float $mid = $xmin + $half ; float $bottomQuarter = ($ymin + $quarter); float $topQuarter = ($ymax - $quarter); float $topMid = ($ymax - $half); float $frontQuarter = ($zmax - $quarter); float $backQuarter = ($zmin + $quarter); float $frontMid = ($zmax - $half); //********** CRIA CUBOS ************ //LEFT BOTTOM FRONT $tempArray = `polyCube -w $half -h $half -d $half -sx 1 -sy 1 -sz 1 -ax 0 1 0 -cuv 4 -ch 1`; move -absolute $leftQuarter $bottomQuarter $frontQuarter ; $newObjsList[size($newObjsList)] = $tempArray[0]; clear($tempArray); //RIGHT BOTTOM FRONT $tempArray = `polyCube -w $half -h $half -d $half -sx 1 -sy 1 -sz 1 -ax 0 1 0 -cuv 4 -ch 1`; move -absolute $rightQuarter $bottomQuarter $frontQuarter ; $newObjsList[size($newObjsList)] = $tempArray[0]; clear($tempArray); //LEFT BOTTOM BACK $tempArray = `polyCube -w $half -h $half -d $half -sx 1 -sy 1 -sz 1 -ax 0 1 0 -cuv 4 -ch 1`; move -absolute $leftQuarter $bottomQuarter $backQuarter ; $newObjsList[size($newObjsList)] = $tempArray[0]; clear($tempArray); //RIGHT BOTTOM BACK $tempArray = `polyCube -w $half -h $half -d $half -sx 1 -sy 1 -sz 1 -ax 0 1 0 -cuv 4 -ch 1`; move -absolute $rightQuarter $bottomQuarter $backQuarter ; $newObjsList[size($newObjsList)] = $tempArray[0]; clear($tempArray); // MID TOP FRONTMID $tempArray = `polyCube -w $half -h $half -d $half -sx 1 -sy 1 -sz 1 -ax 0 1 0 -cuv 4 -ch 1`; move -absolute $mid $topQuarter $frontMid ; $newObjsList[size($newObjsList)] = $tempArray[0]; clear($tempArray); // DELETA OBJ ORIGINAL delete $item; } $currentCounter += 1; select $newObjsList; sierp($currentCounter , $max); return 0; } sierp(0, 5);