Information about the specified frame grabber.
The operator info_framegrabber returns information about the frame grabber Name. The desired information is specified via Query. A textual description according to the selected topic is returned in Information. If applicable, ValueList contains a list of supported values. Up to now, the following queries are possible:
'bits_per_channel' List of all supported values for the
parameter 'BitsPerChannel', see
open_framegrabber.
'camera_type' Description and list of all supported values
for the parameter 'CameraType', see
open_framegrabber.
'color_space' List of all supported values for the
Parameter 'ColorSpace', see
open_framegrabber.
'defaults' Frame grabber specific default values
in ValueList, see
open_framegrabber.
'device' List of all supported values for the
parameter 'Device', see
open_framegrabber.
'external_trigger' List of all supported values for the
parameter 'ExternalTrigger', see
open_framegrabber.
'field' List of all supported values for the
parameter 'Field', see open_framegrabber.
'general' General information (in Information).
'info_boards' Information about actually installed boards
and cameras. This data is especially
useful for the auto-detect mechansim of
ActivVisionTools.
'info_parameters' Information about type and value ranges
of all frame grabber specific parameters.
'parameters' List of all frame grabber specific parameters which
are accessible via set_framegrabber_param
or get_framegrabber_param.
'parameters_readonly' List of all frame grabber specific parameters
which are only accessible via
get_framegrabber_param.
'parameters_writeonly' List of all frame grabber specific parameters
which are only accessible via
set_framegrabber_param.
'port' List of all supported values for the
parameter 'Port', see open_framegrabber.
'revision' Version number of the frame grabber interface.
Please check also the directory doc/html/manuals for documentation
about specific frame grabber interfaces.
|
Name (input_control) |
string -> string |
| Frame grabber of interest. | |
| Default value: 'File' | |
| Suggested values: '1394IIDC', 'BARRACUDA', 'BaumerFCAM', 'BCAM1394', 'BitFlow', 'DahengCAM', 'DahengFG', 'DFG-BW', 'DFG-LC', 'DirectFile', 'DirectShow', 'dPict', 'DT315x', 'DT3162', 'eneo', 'eXcite', 'File', 'FirePackage', 'FlashBus', 'FlashBusMX', 'Ginga++', 'GingaDG', 'IDS', 'INSPECTA', 'INSPECTA5', 'iPORT', 'Leutron', 'LuCam', 'MatrixVision', 'MatrixVisionAcquire', 'MeteorII', 'MilLite', 'mEnable3', 'MultiCam', 'Opteon', 'p3i2', 'p3i4', 'PX', 'PXC', 'PXD', 'PXR', 'pylon', 'SaperaLT', 'SonyXCI', 'TAG', 'TWAIN', 'uEye' | |
|
Query (input_control) |
string -> string |
| Name of the chosen query. | |
| Default value: 'info_boards' | |
| List of values: 'bits_per_channel', 'camera_type', 'color_space', 'defaults', 'device', 'external_trigger', 'field', 'general', 'info_boards', 'info_parameters', 'parameters', 'parameters_readonly', 'parameters_writeonly', 'port', 'revision' | |
|
Information (output_control) |
string -> string |
| Textual information (according to Query). | |
|
ValueList (output_control) |
string-array -> string / integer / real |
| If applicable, a list of values (according to Query). | |
// Select a suitable frame grabber FgName
info_framegrabber(FgName,'port',Information,Val)
// Choose the port P and the input line L your camera is connected to
open_framegrabber(FgName,1,1,0,0,0,0,'default',-1,'default',-1.0,
'default','default','default',P,L,FgHandle)
grab_image(Img,FgHandle)
close_framegrabber(FgHandle)If the parameter values are correct and the desired frame grabber is available at call time, info_framegrabber returns the value 2 (H_MSG_TRUE). Otherwise an exception handling is raised.
info_framegrabber is local and processed completely exclusively without parallelization.
Foundation
