McIDAS User's Guide
Version 2019.1

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ERASE

Erases graphics, images or entire frames.


Formats

ERASE F bframe eframe
ERASE G bframe eframe LEV=
ERASE I
bframe eframe


Parameters

bframe

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

eframe

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

F

erase entire frame: image, graphics and frame directory (default)

G

erase graphics only

I

erase image and frame directory


Keyword

LEVel=

graphics color level to erase; only the graphics drawn in this color are erased; valid only with "ERASE G" format (default=all levels)


Remarks

The ERASE 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, ERASE G 1 5 PAN=2 4 erases the graphics on panels 2, 3, and 4 on frames 1 through 5.


Examples

ERASE

This entry erases the current frame's image, graphics, and frame directory (information about what's displayed in the frame).

ERASE F 3 6

This entry erases the images, graphics, and frame directories on frames 3 through 6.

ERASE G 3 6 LEVEL=3

This entry erases the graphics drawn in color level 3 on frames 3 through 6.

ERASE I 21 22

This entry erases the images and the frame directories on frames 21 and 22.


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