The geocentric class is great for single point spatial conversions. But it is NOT obvious from the source about how best to use the matrix parameter to convert rotations to/from. Might there be some example source that shows a complete 6dof to/from conversion between GDC and WCS.
Please advise.
Thanks.
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There are too many ways that Euler angles are defined to be able to give a simple prescription for what you want to do. I recommend you roll up your sleeves and work out carefully how to do the operations correctly in your application.
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Anonymous
Anonymous
-
2025-02-05
Hi, I realize this is an old question, but I'm looking to do something similar as well. I realize this is not part of the Geographiclib API, but are there classes within the library to use to accomplish this?
I'm working on a project where I have Geographiclib for some things, and some other matrix and vector classes that I use primarily to accomplish my orientation conversions. I'd really like it if I could get rid of all those other classes and just use Geographiclib, if possible.
Can I do those orientations with Geographiclib, even if I have to work out the process myself?
Thanks,
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No, GeographicLib doesn't contain any routines for matrix and vector algebra. I recommend you use Eigen for this purpose. It's capable and, as a header-only package, easy to incorporate into your project.
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Anonymous
Anonymous
-
2025-02-05
Thanks for the tip, I'll check it out.
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The geocentric class is great for single point spatial conversions. But it is NOT obvious from the source about how best to use the matrix parameter to convert rotations to/from. Might there be some example source that shows a complete 6dof to/from conversion between GDC and WCS.
Please advise.
Thanks.
There are too many ways that Euler angles are defined to be able to give a simple prescription for what you want to do. I recommend you roll up your sleeves and work out carefully how to do the operations correctly in your application.
Hi, I realize this is an old question, but I'm looking to do something similar as well. I realize this is not part of the Geographiclib API, but are there classes within the library to use to accomplish this?
I'm working on a project where I have Geographiclib for some things, and some other matrix and vector classes that I use primarily to accomplish my orientation conversions. I'd really like it if I could get rid of all those other classes and just use Geographiclib, if possible.
Can I do those orientations with Geographiclib, even if I have to work out the process myself?
Thanks,
No, GeographicLib doesn't contain any routines for matrix and vector algebra. I recommend you use Eigen for this purpose. It's capable and, as a header-only package, easy to incorporate into your project.
Thanks for the tip, I'll check it out.