PDA

View Full Version : UV Unwrap Help Needed ASAP Please...


John-S
07-16-2006, 11:03 PM
Ok, I'm seriously getting imbaressed about asking so many simple questions on this forum but I've posted this question on other forums and got no response. Please forgive me for another thread, I'll try hard to contain myself after this : )

I modeled a lower poly centipede that has 16 legs (I think?) on each side. Let me say that I am very new to texturing etc and I have looked through and read all I could find in the help menu's.

Anyways, I unwrapped the head, antenna's etc via planar mapping, checker patterns, uv unfolding etc. Now I need to do the rest of the body which includes the legs. How should I do this? I UV cut the edges at the center of the top and bottom of the entire length of the model (in other words I cut the model in half the down the long center of its back). Then I cut out all the legs and seperated them. I tried to unwrap the whole torso(?) area (entire length of the body minus legs etc like mentioned) but I get this crazy mess. I can't seem to untangle it! Even if I do get it somewhat untangled then I still would have no idea how to get the other side of the body to match it? The only way I can think to unwrap this thing is to make a uv cut at almost every leg/torso chunk of the body (there are 16 of them, and not meaning the actual legs part becuase I already have them seperated) if that makes sense? Sounds like a bad texture job waiting to happen though : (

What are your thoughts on how to unwrap this thing? Am I going about it completly wrong? While I'm asking stuff I better ask what the difference is between Unfold UV's and Relax UV's? I've been using Unfold UV but what is relax UV's all about? I looked them up in the help menu but it doesn't seem to tell you the best situations to use them in and why???

Thanks for ANY comments! I REALLY need to do this Today.

John-S
07-17-2006, 01:37 AM
Is a screenshot of the model necessary?

Is auto Mapping an option or is planar the way to go? It seems to make about 300 pieces? Looks tough but I've never done it to know......

Is UV unwrapping the way to go? This is the model that I will be normal mapping also if anyone was making that connection from my prior posts. Is pelting an option I should explore?

rasamaya
07-17-2006, 03:01 AM
Hey John,

Normal mapping is very sensitive to seams... uv seams.

The workflow for a centipede is personal.

I like to create planar UV map projections from my orthographic views, or wrap the whole thing in a cylindrical and seperate the legs(in your case). But personally I would have the legs as a seperate object. Do one set of uv's and all the other legs would be instances, but I guess that depends on your model.

The difference between relax and Unfold is in your manual.

Cheers

John-S
07-17-2006, 03:39 AM
ok, so don't planar map and unfold the uv's becuase of all the seams. Normal maps don't like seams.

Planar UV Map Project the centiped without the legs with a cylindrical projection. Have the legs set as a seperate object and use one set of UV's and instance the rest. Is this all correct? Sorry, for repeating everything but its been a long journey trying to unwrap this thing (and failing miserably) so I wanna make sure this is all correct before I begin. Could you instance using one set of legs when all the others are a shaped a little different? Will this workflow work for normal mapping well? Thanks for you quick response there, I really appreciate it!

John-S
07-17-2006, 06:22 AM
Ok, I tried the cylindrical projection with legs and all just to see if it would put a decent checker pattern on the top of the model and nothing : ( Will it not put a nice checker pattern on the top if I have the legs still? Any advise?

Here is my low poly model (don't laugh) attached so hopefully it will be understood clearer and I can continue to get support on this.

Thanks for any suggestions

John-S
07-17-2006, 06:23 AM
Sorry for the triple post but here is the last image

CGTalk Moderation
07-17-2006, 06:23 AM
This thread has been automatically closed as it remained inactive for 12 months. If you wish to continue the discussion, please create a new thread in the appropriate forum.