comp.lang.idl-pvwave archive: archive » Re: Mapping an Image to a Polygon Object

Home » Public Forums » archive » Re: Mapping an Image to a Polygon Object

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: Mapping an Image to a Polygon Object [message #30747 is a reply to message #30745]

Wed, 15 May 2002 11:53

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

David Fanning (david@dfanning.com) writes:

> Brian Bell (sailfalmouth@yahoo.com) writes:
>
>> I need to map an image to be displayed on a polygon object. Can
>> someone explain to me how I can do this?
>>
>> I've tried using Texture_Map, but I can't get it to work properly.
>
> I think you have identified the crux of the problem: you
> have to get the Texture_Map to work properly. :-)
>
> The place I always get stuck is creating the Texture_Coordinates,
> which maps each vertex of each of the the polygons to a particular
> location or pixel in the image I'm trying to map. I don't think
> there is any particular way to do it. I stare at the documentation
> until I'm cross-eyed, try to touch my nose with my tongue, then
> plunge in and make mistake after mistake. After a couple of hours
> of this, I usually get something to work.
>
> Well, let's just say that's my method. I'd be happy to
> hear someone else's. :-)

Whoops! I forgot to mention that I wrote an article once about
how do to this on a surface. It might be of some help to you.

http://www.dfanning.com/ographics_tips/imgtex.html

Cheers,

David

--
David W. Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438, E-mail: david@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155

Report message to a moderator

[Message index]

		Re: Mapping an Image to a Polygon Object By: Rick Towler on Wed, 15 May 2002 11:56
		Re: Mapping an Image to a Polygon Object By: David Fanning on Wed, 15 May 2002 11:53
		Re: Mapping an Image to a Polygon Object By: David Fanning on Wed, 15 May 2002 11:49

Previous Topic:	how i can detect round bright structures in picture??
Next Topic:	Re: 1 user license

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sat Oct 11 08:23:21 PDT 2025

Total time taken to generate the page: 1.52026 seconds