[x3d-public] v4 > Geospatial > WebMercator

[John Carlson]

That is, I should be able to get higher resolution with a grid than a
sphere.

Thanks!

On Mon, Apr 27, 2020 at 7:16 AM John Carlson <yottzumm at gmail.com> wrote:

> What do people think about using an elevation grid instead of a sphere to
> achieve a deformed animation?
>
> On Sun, Apr 26, 2020 at 2:46 PM GPU Group <gpugroup at gmail.com> wrote:
>
>> my experience implementing web3d.org v4 geospatial webmercator transform
>> in freewrl
>> - easy, took an hour to program - just added another function beside UTM
>> - in other words, its a mapping plane transform to/from (ellipsoidal)
>> geographic coords
>>
>> Results:
>>
>> http://dug9.users.sourceforge.net/web3d/tests/geo/screenshot_webmercator.jpg
>> http://dug9.users.sourceforge.net/web3d/tests/geo/web_mercator.x3d
>>
>> Method:
>> - only tests one coordinate back and forth for Menlo Park, CA.
>> - tests via script and (freewrl specific) geoConvert node which I have
>> recommended in the past to web3d via spec comment.
>>
>> https://sourceforge.net/p/freewrl/git/ci/develop/tree/freex3d/src/lib/scenegraph/Component_Geospatial.c
>>
>> L.1786 - 1870
>>
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>>
>
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