https://github.com/jpneill/fitsToKdb

An interface for accessing tables in *.fits files from a q process
https://github.com/jpneill/fitsToKdb

Last synced: about 1 month ago
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An interface for accessing tables in *.fits files from a q process

• Host: GitHub
• URL: https://github.com/jpneill/fitsToKdb
• Owner: jpneill
• Created: 2017-01-11T02:24:52.000Z (almost 8 years ago)
• Default Branch: master
• Last Pushed: 2017-01-11T02:59:10.000Z (almost 8 years ago)
• Last Synced: 2024-08-03T17:12:33.840Z (5 months ago)
• Language: C
• Size: 5.86 KB
• Stars: 2
• Watchers: 1
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

• awesome-q - jpneill/fitsToKdb

README

        
# fitsToKdb

An interface for accessing tables in \*.fits files from a q process. This project requires two libraries not in this repository. For examples and more about this interface please read the pdf located here: [wplink]

## cfitsio

The source for the cfitsio library developed by NASA can be downloaded from http://heasarc.gsfc.nasa.gov/fitsio/. Installation instructions can be found here:http://heasarc.gsfc.nasa.gov/docs/software/fitsio/quick/node3.html.

If building the 32 bit version the following may be required during installation to set up the 32 bit flags:

./configure CFLAGS="-m32 -O2 -g"

-Building a cfitsio c program from a source file called example.c:

*gcc -o example.o example.c -L\ -lcfitsio -lm -lnsl -I\*

## k.h

The k.h file is linked to here http://code.kx.com/wiki/Cookbook/ExtendingWithC#Portable_Example. For more on the use of k.h to extend functionality of Q please refer to the following cookbooks:

http://code.kx.com/wiki/Cookbook/ExtendingWithC

http://code.kx.com/wiki/Cookbook/InterfacingWithC

-Building a 32 bit .so for extending q from source file example.c (May require installation of gcc-multilib):

*gcc -m32 -shared -fPIC example.c -o example.so*

********************

Putting the two together allows compilation of fitsio.c into a .so file for loading functions into q via 2: (see file fitsToKdb.q for example use of 2:).

-Building a 32 bit .so for extending q using fitsio:

*gcc -m32 -shared -fPIC example.c -o example.so -L\ -lcfitsio -lm -lnsl -I\*