[Radiance-general] Region rendering

[Andrew McNeil]

You have to carefully determine the -vh and -vv parameters, there's a bit
of trigonometry to be done.  But it does work, I've rendered many image
tiles using this method.

Andy


On Wed, Sep 26, 2012 at 11:42 AM, Aksel Groß <aksel at gobo.io> wrote:

> Hi Andy,
>
> Thanks! In fact i thought of that for a second, but wasnt aware the shift
> would work without a distort. I was worried the ie top left and top right
> part of an image would not fit seamlessly anymore after shifting. But will
> give it a try now that you recommend it.
>
> Aksel
>
>
> Am 26.09.2012 um 20:34 schrieb Andrew McNeil <amcneil at lbl.gov>:
>
> Hi Askel,
> You need to adjust the view to do this.  Use -vl an -vs to lift and shift
> the view to the upper left and then reduce -vh and -vv accordingly.
> Andy
>
>
>
> On Wed, Sep 26, 2012 at 11:24 AM, Aksel Groß <aksel at gobo.io> wrote:
>
>> Hello,
>>
>> Is there any way with rpict to render a specific rectangular region/crop
>> of a view? Example: have a view specified, and only render the top left
>> quadrant? I checked the man page for rpict, but i could not come up with
>> anything.
>>
>> Cheers,
>> Aksel
>>
>> --
>>
>> Aksel Groß
>> Dipl.Ing.Arch.
>> Dipl.Szeno.
>>
>> Electric Gobo
>> Schönhauser Allee 182
>> 10119 Berlin, Germany
>>
>> aksel at gobo.io
>> T +49 30 559 531 75
>> M +49 179 394 30 92
>>
>>
>>
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