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yqueau / normal_integration

Matlab codes for integrating the normal (gradient) field of a surface over a 2D grid
GNU General Public License v3.0
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cmg_sdd function is not available #4

Closed DataEnthusiastSathya closed 5 years ago

DataEnthusiastSathya commented 5 years ago

Hi @yqueau , Thanks for your paper and code. While executing the code, I get an error, function "cmg_sdd" is not found.

yqueau commented 5 years ago

Hi,

Thank you for your interest in our research. This error may appear if the CMG library is not installed. It can be downloaded here: http://www.cs.cmu.edu/~jkoutis/cmg.html

If CMG it is not installed, set the "precond" parameter to "none" (no preconditioning, can be very slow for large data) or to "ichol" (modified incomplete Cholesky preconditioner advised in [6], slower than CMG but overall OK). This will be slower, but it should run without any additional library.

Hope this helps, Yvain