JSky Quick Tour

The following is a quick tour of the jskycat and OT applications, illustrating some of the capabilities of the JSky classes.

Image Display

The following screenshot shows the main image window of jskycat with catalog symbols plotted. The catalog symbols shown here use expressions based on table column values to set the position, size, and orientation of each symbol. Part of the catalog table is shown below. At upper right are the pan and zoom windows.

jskycat screendump

The Catalog Navigator

The following screenshot shows the catalog navigator window. The three subwindows display the available catalogs, the catalog query panel and the query results.

Setting Image Cut Levels

This screenshot shows the popup window for setting the image cut levels.

Elevation Plot

This screenshot displays an elevation plot of three objects on a given date:

Elevation Plot