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* sky.py: Add new properties to SkyBaseAaron LI2017-08-131-1/+35
* utils: Merge fits.py into io.pyAaron LI2017-08-131-1/+3
* sky.py: Add float32/clobber/checksum etc. to SkyBaseAaron LI2017-08-131-6/+61
* sky.py: Add basic SkyBase class as the base of SkyPatch and SkyHealpixAaron LI2017-08-131-0/+113
* sky.py: Implement "random_points()" methodAaron LI2017-07-191-6/+85
* sky.py: frequency has implicit unit "MHz"Aaron LI2017-07-191-11/+22
* sky.py: Default to assume a flat sky for patchAaron LI2017-07-191-5/+10
* Use [arcsec] as the unit for pixel size and resolutionAaron LI2017-07-191-13/+14
* sky.py: Write PIXELSIZE, RA0, and DEC0 to header for patch skyAaron LI2017-06-191-0/+3
* sky.py: Fix mkdir when the directory name is emptyAaron LI2017-06-121-2/+2
* sky.py: Fix FITS header writeAaron LI2017-05-271-4/+8
* sky.py: Add "area()" methodAaron LI2017-05-251-0/+21
* sky.py: Implement method "reproject_to()"Aaron LI2017-05-221-8/+102
* sky/SkyPatch: Add wcs and region coverage checkAaron LI2017-05-221-0/+56
* sky.py: Flatten 2D image of sky patch to 1D for easier processingAaron LI2017-05-211-14/+21
* Add sky.py to support both sky patch and HEALPix all-sky mapAaron LI2017-05-211-0/+272