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Importing ECW Files

Developed by Earth Resource Mapping, Enhanced Compressed Wavelet (ECW) is a compressed format for very large geo-referenced images. Upon compression, images retain their geo-referencing information.

To open, place, or import an ECW file:

  1. Choose File | Open or Place, or GIS | Import.
  2. Select ECW as file type.
  3. Navigate to the .ECW file and click Open or Place.
  4. In the ECW Import Options dialog box, select your settings.
  5. Click OK.

ECW Import Options dialog box

Image List

This list indicates all the files that you are opening or placing.

Add/Remove

Click the Add button to open or place another file. To delete a file from the list, select the file in the list and click the Remove button.

Projection

Click this button to open the File Coordinate System dialog box.

Auto Define Document Coordinate System

Select this check box so Canvas sets up the projected coordinate system for the file.

If this check box is deselected and you click OK, the Document Coordinate System dialog box opens. This dialog box has the same projection options as the GIS manager.