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I tried several images but find_optimal_celestial_wcs() keeps returning PC1_1, PC2_2 = 1.0, PC1_2, PC2_1 = 0. I want to write it to the final coadd image.
```
files = glob.glob(path + '*.FITS')
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if ((g > 0) || (abs( g ) 0) || (abs( $g )
rorso updated
5 years ago
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I have some upcoming work where I intend to develop some visualization tools for model output on a cubed-sphere grid, and I'd really like to use cartopy.
To gear up in this direction, I've been pl…
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I have written a short note with a Python implementation to convert image coordinates to celestial coordinates using World Coordinate System (WCS) Gnomonic (TAN) projection. I hope it will be useful t…
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Child of #562
### Description
Polygon's display in 2D projections (specifically Northern and Souther UPS/Gnomonic/Polar projections) doesn't match the geographical extents displayed in 3D.
!…
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There are multiple butterfly projections, which refers to the shape of polyhedral layout, and the distinguishing characteristic of this one is that it uses the gnomonic face projection.
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I would like to see more map projections added to NCIO. Specifically lambert conformal conic and gnomonic grids
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Hi! I am using a separation method to extract parts of an original event file. I then intend to use the xpbin routine to create PMAP cubes and study the polarization of the extracted emission.
Howe…
app46 updated
3 months ago
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Gnomonic projection have minor clippping issues on
It appears only on small amont rotation values, for example `[97.25, 0, 0]`
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Current intersection code is for the planar case, and in incorrect on a sphere/ellipsoid.
An approach to solving the problem with gnomonic projections is described by Karney (2013), section 8.