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TV Display Procedures

BLINKBlink two or more windows in an image display
CURSChange the shape of the (X windows only) cursor
CURVALInteractive display of image intensities and astronomical coordinates
PIXCOLORSet specified pixel values to a specified color
SIGRANGEFind range of pixel values which contain 90% of the image values
TVBOXDraw a box of specified size on the image display
TVCIRCLEDraw a circle of specified radius on the image display
TVELLIPSEDraw an ellipse of specified axes on the image display
TVLASERWrite an image to postscript file with annotation from a FITS header
TVLISTDisplay intensity values surrounding the cursor position
UNZOOM_XYConvert from window coordinates to image coordinates
ZOOM_XYConvert from image coordinates to window coordinates