eGrabber-4plus
154
PHYTEC Meßtechnik GmbH 2004 L-608e_4
5.3.3
Functions for the DO S Driver
PCI4GRAB
The PCI_GRABBER4 class contains all of the functions for
initialization and configuration, and can be found in the library
PCI4GRAB.LIB. These functions also control the Grabber events.
With an object from this class, all Grabbers in the system are
controlled.
For easier identification, all of the functions have been divided into
five groups. The number of each group is shown in a black circle.
The functions are classified as follows:
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Routines for Initialization
This group of functions must be called before using the Grabber to
ensure that the Grabber operates correctly.
Routines the Grabber configures for the grabbing process:
Functions from this group configure the Grabber to the connected
image source (camera). These functions also determine how the
grabbed picture will appear as an end result in memory
(image size, color format, etc) The user should determine whether
each function is needed, and which parameters are necessary.
These functions are also called-up several times during processing
of a program (i.e. when the input channel should be switched or if
the image size should be changed).
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Routines for Executing and Controlling the Grabbing Process
This function starts the image digitization, monitors the Grabbing
process and ends digitization.
Routines for Configuring Image Parameters
Functions from this group enable configuration of parameters,
such as brightness, contrast, saturation, etc. These functions are
not necessary, but can be called at any time to adapt the final
image to user needs.
Содержание eGrabber-4plus
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