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- Data Description of ETL
- Test Data Set
-
-
- The data files provided to you are three seperate raster
- images of the Engineer Topographic Laboratories facility at Fort
- Belvoir, Virginia. These digital images are scanned rasters
- produced by digitizing a color infrared 9 inch by 9inch photograph.
- The full resolution of the images are 850 dpi (scan density was 30
- microns). The files:
-
- RED_ETL.IMG (700-900nm)
- GRN_ETL.IMG (500-570nm)
- BLU_ETL.IMG (400-450nm)
-
- Each file consists of a 512 byte header, with the
- image begining at byte 513. Color assignment is as follows:
- RED_ETL.IMG on the red color gun, BLU_ETL.IMG on the green
- color gun, and BLU_ETL.IMG on the blue color gun. (NOTE:
- IMDISP users should enter 620 when prompted for header bytes).
-
- Questions can be referred to Mr. John Anderson at USACE ETL
- telephone 703 355-3251, or Mr. Max Roos (USACE ETL) 703
- 355-2787.