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3D_Fusion wrote:
> Hi all,
>
> I'm finally getting to spend some time learning and creating with PovRay.
> Although I am reading with great interest about the many advance techniques
> available with PovRay, for now I'm trying to master the basic's 1st.
>
> Attached is one of my original efforts that is 99% primative constructive
> solid geometry. Floor pump hose which is a sphere_sweep is the only non
> primative.
> Calender from PovRay wiki at: http://www.wikipov.org/ow.asp?MakeCalendar
>
> Tandem picture on imaged mapped onto calendar is same CSG object in scene,
> rendered on white background with colored lights and a slight warp normal
> to camera to give a hand drawn look.
>
> I think I need another light source from say a window, skylight, or door
> opening, as when this scene is dark enough to have the mood I/m going for,
> it's seems too dark, and when I lighten it up with the existing light, it
> seems fake.
>
> I'd like to improve my skills and do better in the next IRTC than my 1st
> entry, based somewhat on this scene. Let me know what you think . . .
>
> Key lighting related settings are below:
>
> .. . .
>
> global_settings { assumed_gamma 2.50 max_trace_level 5
> ambient_light rgb<.0, .0, .0> // Best set to zero if Radiosity used
> radiosity { pretrace_start 0.08 pretrace_end 0.05 count 90 nearest_count
> 7 error_bound 1.5 recursion_limit 4 low_error_factor .6
> gray_threshold 0.5 minimum_reuse 0.013 brightness 1
> adc_bailout 0.01 normal on always_sample off}
> // end global settings
>
> .. . .
>
> #declare Dist=160; // 220;
> light_source { <0,0,0>// position (translated below)
> color rgb <1,1,1> // White light
> area_light // slow but soft-better shadows results
> <1, 0, 0> <0, 0, 1> // lights spread out across this distance (x * z)
> 6, 6 // total number of lights in grid (4x*4z = 16 lights)
> adaptive 0 // 0,1,2,3...
> jitter // adds random softening of light
> circular // make the shape of the light circular
> orient // orient light
> translate <lx, ly+1 , lz> // <x y z> position of light - match to light
> fixture in scene
> }
> // Added lights to make scene's light fixture look more like a source of
> illumination
> light_source { <lx, ly+1, lz> color Gray20 fade_distance Dist fade_power 2
> shadowless }
> light_source { <lx, ly+1, lz> color White fade_distance Dist fade_power 2 }
> // shadowless}
> light_source { <lx, ly+1, lz> color Yellow fade_distance Dist fade_power 2 }
> //shadowless}
> light_source { <lx-2,ly-12,lz+2> color rgb < .1,0,0> fade_distance Dist
> fade_power 2 shadowless } // Brighten up light fixture pull crystal
>
> .. . .
>
> Comments and suggestings welcome,
>
> M. Cv
>
>
> ------------------------------------------------------------------------
>
is it me or are the chainwheels different sizes ?
stephen
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