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General => Terragen Discussion => Topic started by: salmonbowl on September 16, 2008, 07:11:01 PM

Title: Creating a Population on an Imported 3D Object (OBJ)
Post by: salmonbowl on September 16, 2008, 07:11:01 PM
Hello,

I am wondering if it is possible to build a population on top of an imported 3d object... say OBJ for example.. and then use its shader as the "reference" for the population to "sit on".

Can this be done?  If so, would appreciate some directions on the steps.

Thanks!
Title: Re: Creating a Population on an Imported 3D Object (OBJ)
Post by: Oshyan on September 17, 2008, 03:28:23 AM
It is not currently possible to associate a population with an imported object.

- Oshyan
Title: Re: Creating a Population on an Imported 3D Object (OBJ)
Post by: salmonbowl on September 17, 2008, 03:32:28 AM
Thanks for your reply.

Will this be considered for future implementation though?  ??? I think it'll be very useful..  :)
Title: Re: Creating a Population on an Imported 3D Object (OBJ)
Post by: Oshyan on September 17, 2008, 03:49:04 AM
It will certainly be considered. I don't know how difficult it would be to implement, but it could definitely be useful, I agree.

- Oshyan
Title: Re: Creating a Population on an Imported 3D Object (OBJ)
Post by: salmonbowl on September 17, 2008, 04:20:55 AM
I think that if a feature is added to detect the surface normals (single-sided) of the imported 3d object, then it could be used as the 'reference' for planting the population onto.  Hope this can be added for the final build...

I am currently building a fantasy-based sky-city in Maya as a one-year research-based project, which along the way extended to include Terragen 2 (TG2) in an integration attempt.  So far, I have successfully integrated camera and the terrain mesh (from Maya) and matched them up pixel-precise in TG2.  I used TG2  to build the environment and did some prelighting with the imported mesh.  Apart from generating the final rendered environment frame, I also output 6-cubemaps, processsed them into a HDRI Light Probe and brought it back into Maya as a indirect illumination source.  I posted this question earlier as I thought of stacking a Population (of trees) onto the sky-city's terrain itself, which I already brought into TG2.
Title: Re: Creating a Population on an Imported 3D Object (OBJ)
Post by: Oshyan on September 22, 2008, 01:35:13 AM
Sounds like a very cool project. I agree that you could use the surface normals to align the population instances onto, but I'm not sure that would be the greatest hurdle. Something for future consideration.

- Oshyan