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Diffstat (limited to 'pkg/images/tv/display/README')
| -rw-r--r-- | pkg/images/tv/display/README | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/pkg/images/tv/display/README b/pkg/images/tv/display/README new file mode 100644 index 00000000..f31a6aa4 --- /dev/null +++ b/pkg/images/tv/display/README @@ -0,0 +1,15 @@ +DISPLAY -- Prototype routines for loading and controlling the image display. +The lower level code is device dependent. + + display loads the display + dcontrol adjusts the display (frame select, window, etc.) + +The basic strategy is that the image display device is interfaced to IRAF +file i/o as a binary file. IMIO is then used to access the image or graphics +planes of the device as a disk resident imagefile would be referenced. +Each image plane of each image device is a separate "imagefile", and has a +distinct image header file in the directory "dev$". + +This package uses the ZFIOGD (binary graphics device) device driver, the +source for which is in host$gdev. It is this driver which implements physical +i/o to the device (actually, to the host system device driver for the device). |