Purpose: Select an input image file for processing.
Format: INFILE_x filename
Notes: filename must
be a valid file or text variable. When no parameter is given, the
user must enter the filename via the keyboard. If the file does not have
a valid IMG file format then the image width, height,
type and offset must be specified prior to this statement.
An error will occur if the file does not exist. Up to 8 input image files
may be selected for processing at any one time. x represents
the variable to assign each input file. A through H
are assigned to the variables INA through INH
respectively. These variables are updated and available for calculations
for each PROCESS loop.
|image_type||1 = floating point
2 = integer
3 = byte
|image_offset||The start of the pixel data in bytes
from the beginning of the file
|image_width||The width of the image in pixels|
|image_height||The height of the image in pixels|
See Also: OUTFILE