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Configuration for Display Cutout Image action
This option presents an easy-to-use way of popping up a
cutout image from an image server displaying a region of sky
around an activated row.
The size of cutout can be selected, and a small selection of
image services is provided.
When you activate the row, the program will attempt to contact the
web server which provides these images, retrieve the image, and
display it in one of the internal image viewers.
Note: the options provided here are not very extensive;
the list of image services is rather limited and the image viewer
is not configurable.
This action may be replaced or enhanced in future releases to provide
a more capable image cutout display action.
Configuration:
- RA Column
- Dec Column
- Identifies the table columns representing sky coordinates
for the central cutout position.
- Cutout Service
- Select which of the provided cutout services will provide the
displayed image. The list is currently:
- SuperCOSMOS All-Sky Blue
- SuperCOSMOS All-Sky Red
- 2MASS Quick-Look J-band
- 2MASS Quick-Look H-band
- 2MASS Quick-Look K-band
- SDSS Colour Images (note does not provide all-sky coverage)
- Dimension in pixels
- Gives the number of pixels (width and height) of cutout images.
The text to the right of the selector indicates the size of a pixel for
currently selected service.
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TOPCAT - Tool for OPerations on Catalogues And Tables
Starlink User Note253
TOPCAT web page:
http://www.starlink.ac.uk/topcat/
Author email:
m.b.taylor@bristol.ac.uk
Mailing list:
topcat-user@jiscmail.ac.uk