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Thumbnails via RVS
HTTP GET/POST interface
The url to the ATNF thumbnail service is http://www.vo.atnf.csiro.au/rvsutils/thumbnail. The table below describes the HTTP request parameters the url accepts. If successful, the response will be either a png image or a html page containing a thumbnail for each requested channel. The latter will result if the 'endchnl' parameter is used.
| Parameter |
Description |
Required? |
Default |
| image |
URL to FITS image |
Yes |
--- |
| width |
Width (pixels) of output |
No |
200 |
| height |
Height (pixels) of output |
No |
200 |
| type |
Type of image to use. Options are:
raster
contour
vector
marker |
No |
raster |
| cmap |
Colormap to use. Options are:
Greyscale 1
Greyscale 2
Rainbow 1
Rainbow 2
Rainbow 3
Rainbow 4
Hot Metal 1
Hot Metal 2
Smooth 1
Smooth 2
Smooth 3
Smooth 4
RGB 1
RGB 2 |
No |
Greyscale 1 |
| chnl |
The channel (or plane) to view |
No |
1 |
| endchnl |
Used for channel maps only, specifies the last channel to display.
If this option is used a html page will be returned instead of a single image |
No |
1 |
| axislbl |
Axis labels turned on. Options are:
yes
no |
No |
no |
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