[Chugalug] projection mapping

Eric Wolf ebwolf at gmail.com
Fri Mar 15 16:46:11 UTC 2013


Ha! I read "map projections"... Which, I guess, is the inverse of what you
want to do. I suppose it is possible to use proj.4 with an inverse
projection to do what you want but it assumes you are going from something
roughly spherical to 2D (inverse projections do that backwards)

-=--=---=----=----=---=--=-=--=---=----=---=--=-=-
Eric B. Wolf                           720-334-7734




On Fri, Mar 15, 2013 at 10:42 AM, Nate Hill <nathanielhill at gmail.com> wrote:

> Either I *really* don't know what I'm talking about or we are thinking of
> different things, Eric.
> I mean software for warping video and images so that you can project it
> onto surfaces that aren't flat.
> random video of what i mean: http://vimeo.com/4238052
>
>
> On Fri, Mar 15, 2013 at 12:26 PM, Eric Wolf <ebwolf at gmail.com> wrote:
>
>> proj.4 is the standard. It's used in pretty much everything. QGIS, uDIG,
>> PostGIS, even ArcGIS. There are bindings for just about every programming
>> language.
>>
>> GDAL/OGR has nice command line tools to manipulate GIS data files,
>> including reprojection.
>>
>> -Eric
>>
>>
>> -=--=---=----=----=---=--=-=--=---=----=---=--=-=-
>> Eric B. Wolf                           720-334-7734
>>
>>
>>
>>
>> On Fri, Mar 15, 2013 at 10:20 AM, Nate Hill <nathanielhill at gmail.com>wrote:
>>
>>> Anyone on the list done work with projection mapping software,
>>> preferably free and open source?
>>> It's something I'd like to play with.
>>> If there are people around with any experience I'd love to get a group
>>> together to chat about it and maybe learn a thing or two.
>>> Any interest?
>>>
>>> --
>>> Nate Hill
>>> nathanielhill at gmail.com
>>> http://4thfloor.chattlibrary.org/
>>> http://www.natehill.net
>>>
>>> _______________________________________________
>>> Chugalug mailing list
>>> Chugalug at chugalug.org
>>> http://chugalug.org/cgi-bin/mailman/listinfo/chugalug
>>>
>>>
>>
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>>
>
>
> --
> Nate Hill
> nathanielhill at gmail.com
> http://4thfloor.chattlibrary.org/
> http://www.natehill.net
>
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>
>
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