This might or might not help you (probably not):

#declare Th= function{"TH"}
isosurface {
       function { ((z*z+y*y-1.5*1.5)
                  &-(z*z+y*y-1.3*1.3)
                  &abs(x)-0.35)
                  -0.03*GraniteFun(x*3,y*4,z*3)
                  +(0.095-(max(((Th(y,x,z)/4)%0.1),0.095)))*2
                }

        method 2
        //eval
        max_gradient 5

        accuracy 0.001
        contained_by{box {<-0.5,0,-1.6>,<0.5,1.6,1.6>}}

        pigment{....
              }

    }

Remove the GraniteFun-Stuff with whatever displacement you want.

To curve an existing texture declare a pigment-function and use it with some
math as a function-pigment ... if you get what I mean ;-)

Marc-Hendrik


Shawn schrieb in Nachricht <3AE### [at] orthancabca>...
>Can anyone point me towards creating a decent looking brick arch? I did
>try using a radial bump map and a high frequency. While it looked quite
>funky, it wasn't what I was looking for. Is there a way to take an
>existing texture and bend it?
>

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