Warp nous illumina en ce 2009-01-03 10:20 -->
> AlpVir <ugo### [at] liberoit> wrote:
>> I am looking for a way to create, from a file DEM (W020N90.DEM for example), a
>> 360-degree panorama seen from a point of Lt Latitude (degree), Lg longitude
>> (degree) and H height (meter).
>> I saw that perhaps POV-ray has this possibility, but I do not know how I act as
>> an absolute beginner in this program.
>> The end result should be an image similar to that found at the link
>> www.lalpinistavirtuale.it/Panorami/img/example.jpg.
>> Thanks for your attention.
> 
>   This should get you started:
> 
> 
> camera
> { spherical
>   location <0, 0, 0>
>   look_at <0, 0, 1>
>   angle 360
> }
> 
> light_source { <1000, 5000, -500>, 1 }
> 
> sky_sphere
> { pigment
>   { gradient y color_map
>     { [0 rgb 1]
>       [.5 rgb z]
>     }
>   }
> }
> 
> // Some cylinders to mark the four compass directions:
> cylinder { -y*5, y*5, .1 pigment { rgb x } translate z } // north
> cylinder { -y*5, y*5, .1 pigment { rgb y } translate -z } // south
> cylinder { -y*5, y*5, .1 pigment { rgb z } translate -x } // west
> cylinder { -y*5, y*5, .1 pigment { rgb x+y } translate x } // east
> 
> // An example heightfield:
> #include "functions.inc"
> 
> height_field
> { function 200, 200 { f_noise3d(x*10, y*10, z*10) }
>   pigment { rgb <1, .6, .2> }
>   translate <-.5, -.8, -.5>
>   scale <100, 10, 100>
> }
For a beginner, you should have writen it with:
#include "colors.inc"
and use Red in place of x, Green inplace of y, Blue in place of z and Yellow in 
place of x+y.

For any veterant, it's obvious, but not for begginers or most casual Povers.

-- 
Alain
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