Pscale on Mesh

//define scales

float seed = ch('seed') + @primseed;

@Rand_Pscale = fit01(rand(i@ptnum+seed+225), -ch('Rand_Scale'), ch('Rand_Scale'));

@Uniform_Pscale = chf('Scale');

//apply pscale

@pscale = @Uniform_Pscale + @Rand_Pscale;