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% @(#)zoom_opto.hlq 19.1 (ESO-IPG) 02/25/03 14:27:23
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%+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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%.COPYRIGHT (c) 1991 European Southern Observatory
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%.AUTHOR A. Gemmo Padova Department of Astronomy
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%.KEYWORDS MIDAS, help files, ZOOM/OPTOPUS
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%.PURPOSE On-line help file for the command: ZOOM/OPTOPUS
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%.VERSION 1.0 12-SEP-1991 : Creation, AG
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%---------------------------------------------------------------------
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ZOOM/OPTOPUS 12-SEP-1991 AG
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ZOOM/OPTOPUS [table] [zooming_factor]
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blow up section of Optopus plate and enable rejection of objects.
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Blow up the area of the Optopus plate where objects overlap
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allowing an easier identification. The center of the area
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is chosen interactively with the cursor from the plot
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displayed by the MODIFY/OPTOPUS command. After the zooming,
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a cursor again enables the user to select objects in wrong
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position so that they can be rejected by typing a "D" letter
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(uppercase or lowercase) when a prompt appears.
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(See also documentation to MODIFY/OPTOPUS command).
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ZOOM/OPTOPUS [table] [zooming_factor]
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[table] = input table of HOLES/OPTOPUS command which
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contains :RA and :DEC columns and refers
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to the drawing of the Optopus plate plotted
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by the MODIFY/OPTOPUS command.
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Default name is "opto1.tbl".
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[zoom_fact] = Factor used to enlarge the chosen area of the
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If after the first zoom one realizes it is not enough or
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too much, it is possible to use again the command
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ZOOM/OPTOPUS only changing [zoom_fact] and without having
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to issue again MODIFY/OPTOPUS to re-plot the Optopus plate
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and subsequently choose the center.
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ZOOM/OPTOPUS myoptotab 5
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ZOOM/OPTOPUS myoptotab 10