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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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