Go ahead type that way, then search and replace before you render.
No need to change POV at all!

Rafal 'Raf256' Maj wrote:

> Hi,
> I have a little suggeston / future-request.
> Myself I like usign Pov without any editor (to type code "by hands" :)
> but there are one thing that IMHO makes it unnesesarly uncomfortalbe -
> [too] long names.
> 
> Compare i.e.:
> 
> difference {
>   sphere { ... }
>   torus { ... }
>   finish { roughness 1 brillaince 2 relfection { .2 .5 } metallic 9
>   diffuse 0.7 }
> } superellipsoid { ... }
> 
> with :
> 
> @@diff {
>   s { } tr { }
>   fi { rou 1 bril 2 ref { .2 .5 } met 9 diff 0.7 }
> } @sup { ... }
> 
> 
> So the idea is to use aliases for important names, and to mark them with
> '@'.
> 
> Implementation imho would be quite easy - ther is probalby one function
> that reads next element, and tells is it an object, float, string,
> undeclared identyfier, etc...
> 
> So only we have to do something like
> void interprate(char *s) {
>   if (s[0]=='@') {
>     char *x = // match alias name, "s","tr","fi" etc
>     interprate(x);
>   }
> }
> 
> 
> 
> 
> The more advanced idea is :
> 
> if alias is marked by "@@" like @@diff { ... } then assume that every name
> in it can be an alias, even it it is not marked with "@" (or "@@")
> 
> example :
>  @sp { @fi { @ref } }   // ok. sp=sphere fi=finish ref=reflection
>  @sp {  fi {  ref { } } // errors, fi and ref must be marked by "@"
> @@sp {  fi {  ref { } } // ok fi and ref are inside "@@" block
>  @sp {@@fi {  ref { } } // ok ref is inside "@@" block
> 
> maybe alsow it will be a good idea to implement @! operator, that removes
> aliases from following block (i.e when we need names like "fi" in it)
> 
> #declare fi = 5.0;
> @@sp {
>   fi { }
>   @!pig {
>      fi // fi is here an 5.0 float
>   }
> }
> 
> this new syntax might look strange now, but it will shorten code about x3
> times ! x3 shorter code = x3 more writing, x3 more comfortable
> x3 more code on ona page (or screen)
> 
> 
> 
> 
> My suggestions :
> 
> @tex  texture
> @mat  material
> @fin  finish
> @nor  normal
> @int  interior
> 
> @cmap color_map
> @nmap normal_map
> @mmap material_map
> 
> @sp   sphere
> @bo   box
> @pl   plane
> @to   torus
> 
> @sup  superellipsoid (that's a good example ;)
> @blo  blob
> 
> @br   brilliance (only in finish block)
> @di   diffuse    (only in finish block)
> 
> 
> I want to *help* to implement aliases, but I can not do it my self (I do
> not understand Pov's souces enought)
> 
> 
> what do You thing about it ? If You agree that this is usefull, and
> somebody also want's to implement it - I will help :)
> 
> --
> #macro
> #g(U,V)(.4*abs(sin(9*sqrt(pow(x-U,2)+pow(y-V,2))))*pow(1-min(1,(sqrt(
> pow(x-U,2)+pow(y-V,2))*.3)),2)+.9)#end#macro p(c)#if(c>1)#local
> l=mod(c,100 );g(2*div(l,10)-8,2*mod(l,10)-8)*p(div(c,100))#else 1#end#end
> light_source{ y 2}sphere{z*20
> 9pigment{function{p(26252423)*p(36455644)*p(66656463)}}}//M

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