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Le 2023-02-24 à 15:12, Mike Miller a écrit :
> Alain Martel <kua### [at] videotron ca> wrote:
>> Le 2023-02-23 à 01:22, Mike Miller a écrit :
>>> POV scene file using negative strength blobs to form cavities within the blob
>>> definition.
>>> Mike
>>
>> Using current POV-Ray, max_intersection is pretty much obsolete.
>> Then, you should use assumed_gamma 1, and set file gamma to sRGB. That
>> should be the default value.
>> No issue with lowering the ambient_light multiplier.
>>
>> New with version 3.8 :
>> In the camera, the right vector now defaults to the aspect ratio of the
>> output image and can be omitted.
>>
>> In the finish, with fresnel on, you need an interior statement setting
>> the IOR to something different than 1. Otherwise, there will be NO
>> reflection at all. In the present case, for M_gold_paint, using
>> reflection{.2 .5 metallic} would be a better option.
>> Then, redefine your floor like this :
>> //--- floor with fresnel reflection
>> plane { <0,1,0> 0 material{M_floor_paint}
>> interior{ior 1.5}
>> }
>>
>> conserve_energy only work with transparent pigments. In this scene, it
>> have no effect as there are no transparent pigment.
>>
>> Happy and good poving
>
>
> Thanks. I'll clean that up. Sorry, some of this is carry over from old files and
> ignorance. :)
>
>>> set file gamma to sRGB
> is there an output flag for sRGB? thx
>
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Now, by default, POV-Ray output is of the .PNG format and include the
information telling that the image should get displayed in the sRGB
colour space. You don't need to change anything.
File gamma default to sRGB unless you change it.
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