McIDAS User's Guide
Version 2017.1

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EG

Erases graphics and images.

Formats

EG bframe eframe [keyword]
EG I bframe eframe

Parameters

bframe

beginning frame in the range to erase (default=current)

eframe

ending frame in the range to erase (default=bframe)

I

erases the image and the frame directory

Keyword

LEV=

graphics color level to erase; only the graphics drawn in this color are erased (default=all levels)

Remarks

The EG bframe eframe format erases only graphics; the image and the frame directory (information about what's displayed in the frame) are not erased. The EG I bframe eframe format erases the image and the frame directory (but not the graphics). The EG command does not change the current image and graphic enhancement tables.

If you have multiple panels on a frame, you can erase a range of panels by specifying beginning and ending panel numbers with the global keyword PAN. For example, EG 1 5 PAN=2 4 erases the graphics on panels 2, 3, and 4 on frames 1 through 5.

See Also

Command ERASE will also erase graphics and images, and in addition, it can also erase entire frames.

Examples

EG

This entry erases graphics on the current frame.

EG 3 5

This entry erases the graphics on frames 3, 4 and 5.

EG I 2 3

This entry erases the images and the frame directory information on frames 2 and 3.

EG LEV=3

This entry erases graphics drawn in color level 3 on the current frame.

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