RenderMan & RISpec, Compiling Renderman C programs using XCode on OSX

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RenderMan & RISpec >> Compiling Renderman C programs using XCode on OSX

by Pangaea » Wed, 11 Jul 2007 01:04:44 GMT

Hi all. I have finally got around to buying 'The Renderman Companion"
I have coded the first example program and had some errors, which I
reduced to 1, by including the full path to the ri.h header. I still
have one error regarding the RI_P string token.

Here is the XCode Run Log

[Session started at 2007-07-10 17:55:58 +0100.]
ZeroLink: unknown symbol '_RI_P'

rendermanProg has exited due to signal 6 (SIGABRT).

here is the program

#include </Applications/Graphics/3Delight-6.5.0/include/ri.h>

RtPoint Square[4] = {{.5,.5,.5}, {.5,-.5,.5}, {-.5,-.5,.5}, {-.
5,.5,.5}};

main()
{

RiBegin(RI_NULL); //start the render
RiWorldBegin();
RiSurface("constant", RI_NULL);
RiPolygon(4, RI_P,(RtPointer) Square, RI_NULL);
RiWorldEnd();
RiEnd(); //clean up
}

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RenderMan & RISpec >> Compiling Renderman C programs using XCode on OSX

by Nicholas » Wed, 11 Jul 2007 11:10:40 GMT



You have to set the library path to point to 3Delight library location


While you are at it, avoid hard coded absolute path. You can't reuse
your code with other developers and you are tied to a version.

My advice is to also set the include path.

So in XCode:
1. Set DELIGHT to /Applications/Graphics/3Delight-6.5.0
2. Set include path to $DELIGHT/include
3. Set library path to $DELIGHT/library

If you are not familiar with XCode settings, a simple Makefile might
be easier.

Regards
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RenderMan & RISpec >> Compiling Renderman C programs using XCode on OSX

by Michel Joron » Thu, 12 Jul 2007 18:07:33 GMT

Assuming you C file is named constant.c; a makefile could look like this:

constant: constant.c
gcc -I$(DELIGHT)/include constant.c -L$(DELIGHT)/lib -l3delight
-o constant

assuming you change the line
#include </Applications/Graphics/3Delight-6.5.0/include/ri.h>
for
#include <ri.h>


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