ZLM
Draws graphics using the mouse.
Formats
ZLM BOX color height width [keywords]
ZLM CIRCLE color height width [keywords]
ZLM DRAW color SMOOTH=
ZLM FILL color height width [keywords]
ZLM FREE color
Parameters
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BOX
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draws a box
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CIRCLE
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draws a circle or ellipse
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DRAW
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draws a smooth, continuous line as you move the mouse
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FILL
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draws and fills a box
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FREE
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draws a straight line between points selected with the mouse (default)
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color
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graphics color level (default=3)
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0
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erases graphics when used with the FILL option
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height
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height of the box, circle or ellipse, in pixels (default=cursor height)
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width
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width of the box, circle or ellipse, in pixels (default=cursor width)
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Keywords
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DASh=
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YES
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draw dashed lines for BOX, CIRCLE, DRAW or FREE option
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NO
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draw solid lines (default)
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GRA=
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graphics frame number to display output; valid only with MODE=N and BOX, CIRCLE, or FILL option (default=current)
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MODe=
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I
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interactive mode (default)
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N
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non-interactive "batch" mode; draws shape centered at line and element position specified in POS keyword on the graphics frame specified with the GRA keyword; valid only with BOX, CIRCLE, or FILL option
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POS=
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line ele
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TV line and element position to center the shape on; valid only with MODE=N and BOX, CIRCLE, or FILL option (default=current cursor position)
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SMOoth=
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number of samples to take for the running average; use with the DRAW option; the range is 1-50; larger numbers produce smoother lines (default=3)
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Examples
ZLM
This entry permits straight-line freehand drawing in graphics color level 3. The response is:
Move mouse to position the cursor on the image frame.
Press the MIDDLE mouse button to select point for option.
Press the RIGHT mouse button to end segment.
Press MIDDLE AND RIGHT mouse buttons or type Alt+Q to end ZLM.
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ZLM BOX
This entry displays the response below on the screen.
Move mouse to position the cursor on the image frame.
Press the RIGHT mouse button to draw the box.
Press MIDDLE AND RIGHT mouse buttons or type Alt+Q to end ZLM.
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ZLM DRAW 4 SMOOTH=10
This entry displays the response below on the screen.
Move mouse to position cursor on the image frame.
Press MIDDLE mouse button and hold, while moving
the cursor wherever on the screen you want to draw.
Press RIGHT mouse button to end segment.
Press MIDDLE AND RIGHT mouse buttons or type Alt+Q to end ZLM.
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Following the above directions produces a smooth line drawing in graphics color level 4 with a running average of 10.
ZLM BOX 7 25 630 MODE=N POS=450 320 GRA=5
This entry draws a 25- by 630-pixel box in graphics color level 7 centered at TV coordinate 450,320 on graphics frame 5.