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sv_ip(sv_ip) SunVision IP sv_ip(sv_ip)

NAME

sv_ip - data object for sv_ip_filter and its subclasses

DESCRIPTION

sv_ip is used as a data storage object for the sv_ip_filter class. It is primarily a behind-the-scenes object, but for debugging and other analysis purposes, some messages are meant to be sent directly from LYMB scripts.

SUPERCLASS

object

INSTANCE VARIABLES

nbands is the number of bands in the image. The default is 1.

dimensions is the number of pixels in the x and y directions in the image. The default is (256,256).

data_type is the type of each pixel in the image. Valid values (defined in sv-ip-constants.scr) are ipBYTE, ipSHORT, ipFLOAT, and ipCOMPLEX. The default is ipBYTE.

llimit is the lower limit for computing histograms on the image. The default is 0.

ulimit is the upper limit for computing histograms on the image. The default is 255.

nbins is the number of bins in the computed histogram. The default is 256.

MESSAGES

recomputing_mtime? returns the object's modified time.

data? returns a pointer to the image's raw data.

data= bitmap sets the images raw data to the pointer argument.

range? returns the minimum and maximum pixel values in the image.