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hi, is there any way of using an array like
MAP[mZ][mX] = float in a function?
say:
#local fun = function(x,y,z) { map[z][x] }
results in:
>Float expected but vector or color expression found<
and:
#local fun=function(A,B) { map[A][B] }
results in:
>expected numeric expression, undeclared identifier 'A' found instead<
any way you put it, it's like arrays where not accepted by
the parser.
i wanted to create an isosurface & pigments out of an array of heightdata.
ok, i could stuck together some mesh
from the array but still cannot use it for the pigments if
theres no wrapper from arrays to functions.
anyone a hint please?
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stefan berke wrote:
> hi, is there any way of using an array like
> MAP[mZ][mX] = float in a function?
>
> say:
> #local fun = function(x,y,z) { map[z][x] }
No.
> i wanted to create an isosurface & pigments out of an array of heightdata.
Use an image_map/image_pattern pigment/pattern function.
Christoph
--
POV-Ray tutorials, include files, Landscape of the week:
http://www.imagico.de/ (Last updated 27 May. 2006)
MegaPOV with mechanics simulation: http://megapov.inetart.net/
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> No.
well, thats sad to hear.
the reason i initially use an array of heightdata is that it can be created
in several distinguish steps. f.e creating a valley/river/branches,
interpolating it, etc. now, after your neg. answer, i tried to write a macro
which outputs the
array into an .TGA file and failed again. seems POV SDL can output only
characters #01-#127. (and $0d0a instead of $0a) at least the missing zero
is quite a prob while writing the TGA header.... is there any binary output?
i got a feeling i'm stuck with this method. at least i could render some
height
map by using the array-data for colors of boxes or something-this would just
mean one seperate render, ok... guess it's like that. thanx anyway.
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stefan berke wrote:
>> No.
>
> well, thats sad to hear.
> the reason i initially use an array of heightdata is that it can be created
> in several distinguish steps. f.e creating a valley/river/branches,
> interpolating it, etc. now, after your neg. answer, i tried to write a macro
> which outputs the
> array into an .TGA file and failed again.
Write to a plain PGM file - that's better suited for height data anyway.
The format is described on:
http://netpbm.sourceforge.net/doc/pgm.html
Christoph
--
POV-Ray tutorials, include files, Landscape of the week:
http://www.imagico.de/ (Last updated 27 May. 2006)
MegaPOV with mechanics simulation: http://megapov.inetart.net/
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Wasn't it stefan berke who wrote:
>hi, is there any way of using an array like
>MAP[mZ][mX] = float in a function?
http://www.econym.demon.co.uk/isotut/arrays.htm
--
Mike Williams
Gentleman of Leisure
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