Le 18-12-25 à 16:22, Leroy a écrit :
> Thomas de Groot <tho### [at] degrootorg> wrote:
>> On 24-12-2018 4:49, Leroy wrote:
>>> when I use this
>>> function{pigment{image_map scale<-1,-1,1>}}
>>> I get artifacts around the edges.
>>> Why is this? Any one else come across this and have a work around?
>>>
>>> Have Fun!
>>>
>>>
>>
>> Do you intend to use this function in a height_field? I do not know if
>> this is related, but I get artefacts around the edges of a image_map
>> function's height_field, independently of scale by the way. I solved it
>> by just intersecting away the height_field edges with a slightly smaller
>> box.
>> Thomas
> 
> Merry Christmas :)
>   I was using the function to make a color palette from any image.
> I use that palette to convert the image into a 'pcx' file.
> Then use the 'pcx' file to make a 'cin' video file.
> Using POV  all the while.
>   The function works fine if don't scale it negatively.
> 
>   Thanks for you input.
> 
> Have Christmas fun!
> 
> 
> 
> 
> 
In that case, you can «scale» the location instead of the image_map :
#declare Loc=Loc*<-1,-1,1>;

Post a reply to this message