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anestis_tziam
 01/29/2015 08:47AM (Read 1953 times)  
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Registered: 01/14/2015
Posts: 8

Hallo to all

I used daofind on my image to create a .coo file. When i tried to use tvmark to overplot the image with the .coo file i got just a black empty field. This is my epar. Any hint on what I have done wrong? Thanks a lot

frame = 1 Default frame number for display
coords = CSP14acs_g01_SWO_NC_2014_12_05_bak.fits.coo.1 Input coordinate list
(logfile= ) Output log file
(autolog= no) Automatically log each marking command
(outimag= ) Output snapped image
(deletio= ) Output coordinate deletions list
(command= ) Image cursor: [x y wcs] key [cmd]
(mark = circle) The mark type
(radii = 10) Radii in image pixels of concentric circles
(lengths= 10) Lengths and width in image pixels of concentric
(font = raster) Default font
(color = 202) Gray level of marks to be drawn
(label = no) Label the marked coordinates
(number = no) Number the marked coordinates
(nxoffse= 0) X offset in display pixels of number
(nyoffse= 0) Y offset in display pixels of number
(pointsi= 3) Size of mark type point in display pixels
(txsize = 1) Size of text and numbers in font units
(toleran= 1.5) Tolerance for deleting coordinates in image pixe
(interac= no) Mode of use
(mode = ql)

 
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fitz
 01/30/2015 05:17PM  
AAAAA
Admin

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Registered: 09/30/2005
Posts: 4040
Is the image displayed before you run TVMARK? Normally you would use the DISPLAY task to load the image in the display and then run TVMARK to overlay the objects, if you did this and then the display turned black then be sure you loaded frame 1 with the image and not another frame.

If you used DS9 to load the display (either on the commandline or with the 'File' menu option) then you should be aware that v7.2 and later versions of DS9 have several known problems with coordinate handling from iraf. Further, the frame buffer may not setup the WCS properly to allow the points to overlay where they should. DS9 will create a frame buffer itself based on the size of the image, however your IRAF environment may define a different size.

 
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