pinNoise.osl

shader pinNoise (output color Cout=1)
{
    //Cout=(color)texture("pinNoise1.tx",v,1-u);

    float alpha;
    texture ("pinNoise1.tx", u, v/2, "firstchannel", 0, "alpha", alpha);

    if(alpha>0.1)
        Cout=color(0.6,0.6,0.5);
    else
        Cout=color(0,0,0);
}