SimplyMaya Forums

Welcome to the forum, feel free to ask questions here.

Register FAQ Members List Calendar Mark Forums Read

New Thread
 
Thread Tools
Old 16-04-2007, 06:57 AM   #1
Thomps
Subscriber
 
Join Date: Jun 2006
Posts: 29
Thanks: 0
Thanked 0 Times in 0 Posts
Unhappy bump maps again

sorry everyone, another bump map question.
ive tried just about everything to get these right, with no success.
ive tried making the bump by converting my colour map to greyscale, ive tried desaturating my colour map, ive tried rendering with depth map shadows and raytrace shadows with maya software but i still get lots of little bumps randomly across my rendered image like someone has thrown rice over it. i been looking on the internet for 2 hours and i cant find a solution to the problem. has anyone else had this or know of a way to fix it?
please help.
Thomps is offline   Reply With Quote
Old 16-04-2007, 07:18 AM   #2
publicFunction
Senior Software Developer
 
publicFunction's Avatar
 
Join Date: Jan 2005
Location: Livingston, Scotland
Posts: 1,701
Thanks: 1
Thanked 23 Times in 23 Posts
Default

can you show us. bumps will alter the look of your geometery thats how they work.
__________________
Chris (formerly R@nSiD)
Twitter
When the power of love overcomes the love of power the world will truely know peace - Jimmy Hendrix
Winner SM VFX Challenge 1
3rd Place SM SteamPunk Challenge (May 2007)
publicFunction is offline   Reply With Quote
Old 16-04-2007, 07:32 AM   #3
Thomps
Subscriber
 
Join Date: Jun 2006
Posts: 29
Thanks: 0
Thanked 0 Times in 0 Posts
Default

heres a pic, its a close up so you can see whats going on. the big indents are fine, thats want i want, but all the little marble sized bumps arent supposed to be there, its supposed to be smooth, thats how it looks in photoshop. just thinking could it be the file format i save in, i use jpeg.
Attached Thumbnails
Click image for larger version

Name:	bumps.jpg
Views:	58
Size:	33.4 KB
ID:	34066  
Thomps is offline   Reply With Quote
Old 16-04-2007, 07:36 AM   #4
randy999
 
Posts: n/a
Default

i used maya onetime to animate me pooping in my pants and going pee pee in a fountain
  Reply With Quote
Old 16-04-2007, 07:43 AM   #5
publicFunction
Senior Software Developer
 
publicFunction's Avatar
 
Join Date: Jan 2005
Location: Livingston, Scotland
Posts: 1,701
Thanks: 1
Thanked 23 Times in 23 Posts
Default

Looks to me that the file format is fine, but there might be discolouration somewhere on the image, even a shade of grey will cause a bump. I would go back and chk ur jpg image first.

T ck if ur image is causing the problem, drop the bump depth and chk if that chnages these little bumps.
__________________
Chris (formerly R@nSiD)
Twitter
When the power of love overcomes the love of power the world will truely know peace - Jimmy Hendrix
Winner SM VFX Challenge 1
3rd Place SM SteamPunk Challenge (May 2007)
publicFunction is offline   Reply With Quote
Old 16-04-2007, 08:12 AM   #6
Thomps
Subscriber
 
Join Date: Jun 2006
Posts: 29
Thanks: 0
Thanked 0 Times in 0 Posts
Default

i tried what you said, still got the little sods. but ive noticed that if i change the bump abit lighter or darker, the bumps move about when i rerender. how do you do your bump maps?
Thomps is offline   Reply With Quote
Old 16-04-2007, 12:32 PM   #7
danotronXX
Subscriber
 
danotronXX's Avatar
 
Join Date: Jun 2005
Location: cleveland ohio
Posts: 313
Thanks: 0
Thanked 3 Times in 3 Posts
Default

is the original texture map multiplied or rotated the same as the actual bump map in your hypershade nodes? this is a common mistake I often forget that gives me similar problems to your image. it cause me with a misplaced or huge bumpmap on a divided or rotated map.

Last edited by danotronXX : 16-04-2007 at 12:36 PM.
danotronXX is offline   Reply With Quote
Old 16-04-2007, 03:49 PM   #8
Gen
Moderator
 
Gen's Avatar
 
Join Date: Dec 2006
Location: South FL
Posts: 3,485
Thanks: 15
Thanked 641 Times in 564 Posts
Default

hey, select by color range the bumps you want to keep and kill the contrast on everyting else. that could work
Gen is offline   Reply With Quote
New Thread

« Previous Thread | Next Thread »

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Open Challenge -Jerry Can Texturing honestdom Battle Arena 77 03-12-2010 12:20 PM

1 Month

$34

Month-to-month billing
$34/month
Unlimited access to all videos
Project files to download
Easy to cancel at anytime
 
 

3 months

$87

Billing every 3 months
$29/month
Unlimited access to all videos
Project files to download
Easy to cancel at anytime
Save $5 per month or $15 in total compared to monthly billing with this package.

12 months

$288

Billing every 12 months
$24/month
Unlimited access to all videos
Project files to download
Easy to cancel at anytime
Save $10 per month or $120 in total compared to monthly billing with this package.

Your plan will automatically renew. You can cancel at any time via your PayPal account to avoid being charged again.

You can view the FAQ on our video plans here. You can contact us directly here. By clicking one of the buttons above, you agree to our Terms and Privacy Policy.