[OpenSCAD] CSG rendering broken in latest Mac OS X snapshot & svn repo (using OpenCSG-1.2.0)

Andrew Plumb andrew at plumb.org
Mon Jan 4 02:20:22 CET 2010

Hi Marius,

Try this again; hit a file-size limit on my attachments.

I've attached the output from otool in openscad-2009.12.31.otool for  
your snapshot version on my system.

Using both your version and my svn compiled version I am able to  
Compile (F5) and see & interact with the resulting model.

Compile and Render (CGAL) takes time to complete as I expect, but then  
the view area goes blank upon completion instead of displaying the  
final rendered model.  I've tried dumping an STL file just in case the  
problem is only with displaying the model but that throws "Current top  
level object is not a 3D object."

See attached release-macosx.clothbot.sh for the diff I have to do to  
resolve library dependencies when compiling my own.

If you think it could help I can send you the results of the shell  
script executed, piped to file.  It was 36KB and pushed my previous  
message size over the 40K (encoded) limit.

When you build yours, do you include MDI or not? I did this time and  
hadn't previous times.  I'll try backing out the MDI-related patches  
and see if it resolves things in my compiled version.


On 3-Jan-10, at 3:15 PM, Marius Kintel wrote:

> On Jan 3, 2010, at 20:16 , Andrew Plumb wrote:
>> Any luck getting the "Compile and Render (CSG)" stage in OpenSCAD
>> working?  I just updated to latest svn (r197), spotted the switch to
>> OpenCSG-1.2.0, applied the patches and all I get is an empty screen
>> after time spent rendering.
>> I see the same behaviour with when I try your openscad-2009.12.31  
>> (Mac
>> OS X) snapshot.  I have my own openscad-2009.12.26 build that works.
>> Known problem across all platforms, just Mac, or just me?
> I haven't experienced such problems with any of those versions on Mac,
> and neither using OpenCSG-1.2.0.
> Empty screen problems are the least fun to debug, but let's see what
> we can do..
> To make sure all is well, please grab the latest build (2009-12-31),
> open a Terminal and send med the output of this:
> $ otool -L OpenSCAD.app/Contents/MacOS/OpenSCAD
> Then, start OpenSCAD on the cmd-line:
> $ ./OpenSCAD.app/Contents/MacOS/OpenSCAD
> Now, what exactly doesn't work?
> o Do you get the same behavior with all view methods (F9-F12) ?
> o Does it make a difference whether you use "Compile" (F5) or "Compile
> and Render (CGAL)" (F6) ?
> o Are there any meaningful output anywhere which could give me a hint?
> I know there isn't much debug output going on atm..
> Also, the output of 'glewinfo' could be useful, just in case.
> ~/= Marius
> --
> We are Elektropeople for a better living.
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