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On Fri, 26 Oct 2001 12:20:37 +0200, "Thorsten Froehlich"
<tho### [at] trf de> wrote:
> So the answer is: Don't use it (also the parser allows it) because the
> behavior is unlikely to be made consistent before a rewrite of POV-Ray.
While I can get such answer, shouldn't be such sentence builded into
documentation instead of "directives can appear in almost any place in
the scene file - even in the middle of some other statements". You
wrote "the behavior of nesting directives inside other directives is
not specified". What about #macro inside #macro? #switch inside
#switch? Or mixing: #local inside #macro? This subject should be IMO
described little more within documentation.
ABX
--
#declare _=function(a,b,x){((a^2)+(b^2))^.5-x}#default {pigment{color rgb 1}}
union{plane{y,-3}plane{-x,-3}finish{reflection 1 ambient 0}}isosurface{ //ABX
function{_(x-2,y,1)|_((x+y)*.7,z,.1)|_((x+y+2)*.7,z,.1)|_(x/2+y*.8+1.5,z,.1)}
contained_by{box{<0,-3,-.1>,<3,0,.1>}}translate z*15finish{ambient 1}}//POV35
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On Fri, 26 Oct 2001 12:20:37 +0200, "Thorsten Froehlich"
<tho### [at] trfde> wrote:
> So the answer is: Don't use it (also the parser allows it) because the
> behavior is unlikely to be made consistent before a rewrite of POV-Ray.
Is this the same thing ?
#local A=array#local C=1;#while(C<=5)[C]#local C=C+1;#end
personally I prefer post such things to warn people it not work
ABX
--
#declare _=function(a,b,x){((a^2)+(b^2))^.5-x}#default {pigment{color rgb 1}}
union{plane{y,-3}plane{-x,-3}finish{reflection 1 ambient 0}}isosurface{ //ABX
function{_(x-2,y,1)|_((x+y)*.7,z,.1)|_((x+y+2)*.7,z,.1)|_(x/2+y*.8+1.5,z,.1)}
contained_by{box{<0,-3,-.1>,<3,0,.1>}}translate z*15finish{ambient 1}}//POV35
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Skiba <abx### [at] babilonorg> wrote:
> While I can get such answer, shouldn't be such sentence builded into
> documentation instead of "directives can appear in almost any place in
> the scene file - even in the middle of some other statements". You
> wrote "the behavior of nesting directives inside other directives is
> not specified". What about #macro inside #macro? #switch inside
> #switch? Or mixing: #local inside #macro? This subject should be IMO
> described little more within documentation.
You misunderstood what I mean with nesting. Think about it and it should be
obvious what is meant with nesting based on your examples.
Thorsten
____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde
Visit POV-Ray on the web: http://mac.povray.org
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Skiba <abx### [at] babilonorg> wrote:
> Is this the same thing ?
>
> #local A=array#local C=1;#while(C<=5)[C]#local C=C+1;#end
>
> personally I prefer post such things to warn people it not work
I would not recommend the above as it isn't disallowed. Use a macro and
call it, that will always work as you expect.
Thorsten
____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde
Visit POV-Ray on the web: http://mac.povray.org
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On Fri, 26 Oct 2001 15:07:05 +0200, "Thorsten Froehlich"
<tho### [at] trfde> wrote:
> You misunderstood what I mean with nesting.
Perhaps.
> Think about it and it should be
> obvious what is meant with nesting based on your examples.
I just want to say it's good idea to add not working statements to
documentation and write something about this problem.
ABX
--
#declare _=function(a,b,x){((a^2)+(b^2))^.5-x}#default {pigment{color rgb 1}}
union{plane{y,-3}plane{-x,-3}finish{reflection 1 ambient 0}}isosurface{ //ABX
function{_(x-2,y,1)|_((x+y)*.7,z,.1)|_((x+y+2)*.7,z,.1)|_(x/2+y*.8+1.5,z,.1)}
contained_by{box{<0,-3,-.1>,<3,0,.1>}}translate z*15finish{ambient 1}}//POV35
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On Fri, 26 Oct 2001 15:09:14 +0200, "Thorsten Froehlich"
<tho### [at] trfde> wrote:
> > Is this the same thing ?
> >
> > #local A=array#local C=1;#while(C<=5)[C]#local C=C+1;#end
> >
> > personally I prefer post such things to warn people it not work
>
> I would not recommend the above as it isn't disallowed. Use a macro and
> call it, that will always work as you expect.
like this ?
#macro B() array#local C=1;#while(C<=5)[C]#local C=C+1;#end #end
#local A=B()
it still not work with beta 6
ABX
--
#declare _=function(a,b,x){((a^2)+(b^2))^.5-x}#default {pigment{color rgb 1}}
union{plane{y,-3}plane{-x,-3}finish{reflection 1 ambient 0}}isosurface{ //ABX
function{_(x-2,y,1)|_((x+y)*.7,z,.1)|_((x+y+2)*.7,z,.1)|_(x/2+y*.8+1.5,z,.1)}
contained_by{box{<0,-3,-.1>,<3,0,.1>}}translate z*15finish{ambient 1}}//POV35
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<abx### [at] babilonorg> wrote:
> #macro B() array#local C=1;#while(C<=5)[C]#local C=C+1;#end #end
> #local A=B()
>
> it still not work with beta 6
but this works fine
#local A=array[#local C=1;#while(C<=4)C][#local C=C+1;#end 5]
ABX
--
#declare _=function(a,b,x){((a^2)+(b^2))^.5-x}#default {pigment{color rgb 1}}
union{plane{y,-3}plane{-x,-3}finish{reflection 1 ambient 0}}isosurface{ //ABX
function{_(x-2,y,1)|_((x+y)*.7,z,.1)|_((x+y+2)*.7,z,.1)|_(x/2+y*.8+1.5,z,.1)}
contained_by{box{<0,-3,-.1>,<3,0,.1>}}translate z*15finish{ambient 1}}//POV35
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<abx### [at] babilonorg> wrote:
> #macro B() array#local C=1;#while(C<=5)[C]#local C=C+1;#end #end
> #local A=B()
>
> it still not work with beta 6
it is probably connected with next thread
ABX
--
#declare _=function(a,b,x){((a^2)+(b^2))^.5-x}#default {pigment{color rgb 1}}
union{plane{y,-3}plane{-x,-3}finish{reflection 1 ambient 0}}isosurface{ //ABX
function{_(x-2,y,1)|_((x+y)*.7,z,.1)|_((x+y+2)*.7,z,.1)|_(x/2+y*.8+1.5,z,.1)}
contained_by{box{<0,-3,-.1>,<3,0,.1>}}translate z*15finish{ambient 1}}//POV35
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Skiba <abx### [at] babilonorg> wrote:
> #macro B() array#local C=1;#while(C<=5)[C]#local C=C+1;#end #end
> #local A=B()
>
> it still not work with beta 6
Move the "array" out of the macro perhaps? Or have the whole declare in the
macro?
____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde
Visit POV-Ray on the web: http://mac.povray.org
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> What about #macro inside #macro? #switch inside
> #switch? Or mixing: #local inside #macro?
There's a difference between something like
#declare A#declare A=0;=1;
and something like
#switch (Something)
...
#switch (SomethingElse)
...
#end
...
#end
In the first case, the second #declare is actually *inside* the first
#declare. In the second case, the second switch is *between* the first
#switch and the first #end. (I know that's also commonly called "inside" but
it's a different kind of "inside".)
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