[Radiance-general] RE : how to use pfilt to perform anti-aliasing

[Ji Zhang]

Thanks a lot, Lars! It is the problem of the third "800" value carelessly
specified for "RESOLUTION".

Cheers, Ji



On Wed, Jun 15, 2011 at 5:11 PM, Lars O. Grobe <grobe at gmx.net> wrote:

> Hi!
>
>
>  The content of the test.rif file is:
>>
> (...)
>
>> RESOLUTION= 800 800 800
>>
>
> Why do you have three times 800 here? Looks like the third one gets
> interpreted as pixel aspect (-pa), which leads to the weird result that
> pfilt tries to downsample from a resolution of 2400x2400px to 800x1px.
>
> Try
>
> RESOLUTION= 800 800
>
>
> Cheers, Lars.
>
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