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by Bart Arondson

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101 reputation
3
bio website
location United Kingdom
age 32
visits member for 1 year, 9 months
seen Apr 8 at 20:49

If you need to contact me, you know what to do... stackoverflow@soware.co.nospam.uk

There's always so much more to learn


Sep
24
awarded  Autobiographer
Feb
22
awarded  Quorum
Feb
20
comment How to transform image to be projected undistorted onto a sphere
@PaulCezanne By the same logic I should compare and contrast to anything mentioning a spherical projection on this SE site. I don't wish to be argumentative but simply reading the 2 questions in their original form should make it clear what the difference is. Perhaps my use of terminology was incorrect? If users vote to close without reading and understanding the question, that seems like a process issue. Just to be a pedant, 5 users thought it was a duplicate - only 1 mod would've been required.
Feb
20
comment How to transform image to be projected undistorted onto a sphere
@PaulCezanne Thanks. Is the "Not a duplicate" edit sufficient?
Feb
20
revised How to transform image to be projected undistorted onto a sphere
edited body
Feb
20
awarded  Editor
Feb
20
revised How to transform image to be projected undistorted onto a sphere
added 440 characters in body
Feb
20
comment How to transform image to be projected undistorted onto a sphere
@AJHenderson Thanks for the suggestions. (by Stuck I meant the ver not the package but I admit I'm not comfortable with XSI yet). When adding a new Image texture, I've tried almost every projection I can find. Interestingly, if I choose New UV mapping, it actually populates a new Spherical (XY). Note that I'm using a mesh not a surface (Hope I got the terminology correct). When using a surface (before I realised the exporter doesn't support them), I was able to use both UV and Spherical (XY) which seemed to create no perceptible difference (Other sphericals moved the poles to different axes).
Feb
20
comment How to transform image to be projected undistorted onto a sphere
To all those of you who marked this as a duplicate... If you'd take a moment and compare the 2 questions, you'd see that what I'm after is not slices of a sphere but a distortion. If I were to use the linked solution, I'd end up with while lines running from the equator to the poles.
Feb
19
comment How to transform image to be projected undistorted onto a sphere
@AJHenderson I normally use Maya but am stuck in SoftImage 7.5 for this as I'm trying to use the Valve SMD Exporter. I'm hoping that since the pre-map-transform in photoshop will stretch points near the poles meaning that although the resulting image is squeezed, the overall effect should be approximately right (in fact, possibly better than approx since there's more pixel data/world unit near the poles).
Feb
19
comment How to transform image to be projected undistorted onto a sphere
Intersting links, I'll have a look thanks // @HåkonK.Olafsen That might be it! I was aware of Mercator but hadn't made the connection to reversing it. Thanks for the idea, I'll have a play
Feb
19
asked How to transform image to be projected undistorted onto a sphere