Another boolean operation error case-unclosed result

[GoogleCodeExporter]

What steps will reproduce the problem?
1. load obj1, obj2, 
2. union obj1 and obj2
3. get an onclosed object
4. load obj1, obj2_0.00001degree
5. union obj1 and obj2_0.00001degree
6. get a correct object

What is the expected output? What do you see instead?

the difference of obj2 and obj2_0.00001degree is very small, only changed z 
coordinate by rotating along y-z plane by 0.00001 degree.

the results of union obj1 and obj2 should also correct

What version of the product are you using? On what operating system?
latest version. Windows 7 64bit.

Please provide any additional information below.
See attachment.

Original issue reported on code.google.com by [email protected] on 20 Oct 2014 at 5:38

Attachments:

• obj1.ply
• obj1_bin.ply
• obj2.ply
• obj2_bin.ply
• obj2_0.00001degree.ply
• obj2_0.00001degree_bin.ply