JS9 bitpix

This demo originally used specific FITS sample data that this site no longer ships, so it displays the bundled example.fits.gz instead. Restore the original data/ files to see it as intended.

JS9 Demo: displaying different FITS data types

FITS files with different data types:

double 1000x1000 (v=x.y/1000, 8Mb)
float 1000x1000 (v=x.y/1000, 4Mb)
int 1000x1000 (v=x*1000+y, 4Mb)
short 100x100 (v=x*100+y, small)
byte 10x10 (v=x*10+y, tiny)

JS9 Demos:

web page configuration:

the basics
setting the size of the JS9 display
menubar styles
web page control
preloading images into JS9

multiple displays:

multiple instances of JS9
control multiple displays with one menu
creating a JS9 instance dynamically
syncing images in multiple displays

plugins:

adding plugins to JS9
the imexam plugin
pan and zoom
overlaying catalogs
dynamic selection of displays

colors:

image blending
RGB composite images
creating new colormaps
masks and opacity

data analysis:

remote data analysis
running tasks when a region changes
image refresh rate for data acquisition

FITS support:

displaying different FITS datatypes
support for large FITS files

not often needed:

using the all-in-one files