Viewing Spatial Data Using ImageJ
There are two options for using ImageJ for viewing and working with the data. One is to download ImageJ and run it on your computer,
the other is to run ImageJ as a Java applet using your web browser.
AN EXAMPLE USING ImageJ TO VIEW A FILE
- Download the file "LE_1986_01.txt" by right-clicking on it (hold down the Control key and click on a Mac),
- Select File-->Import-->Text Image...
- Locate the file on your computer and select OK
- If
you see black screen you may need to adjust the range by selecting
Process-->Math-->Max-->500 (assuming units are W/m2)
- For
optimal viewing, adjust the contrast by selecting Process-->Enhance
Contrast-->unselect Normalize and unselect Equalize
Histogram-->OK
- To change the colors to something more exciting select Image-->Lookup Tables-->Fire