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set_framegrabber_paramset_framegrabber_paramSetFramegrabberParamset_framegrabber_paramSetFramegrabberParamSetFramegrabberParam (Operator)

Name

set_framegrabber_paramset_framegrabber_paramSetFramegrabberParamset_framegrabber_paramSetFramegrabberParamSetFramegrabberParam — Set specific parameters of an image acquistion device.

Signature

set_framegrabber_param( : : AcqHandle, Param, Value : )

Herror set_framegrabber_param(const Hlong AcqHandle, const char* Param, const char* Value)

Herror T_set_framegrabber_param(const Htuple AcqHandle, const Htuple Param, const Htuple Value)

Herror set_framegrabber_param(const HTuple& AcqHandle, const HTuple& Param, const HTuple& Value)

void HFramegrabber::SetFramegrabberParam(const HTuple& Param, const HTuple& Value) const

void SetFramegrabberParam(const HTuple& AcqHandle, const HTuple& Param, const HTuple& Value)

void HFramegrabber::SetFramegrabberParam(const HTuple& Param, const HTuple& Value) const

void HFramegrabber::SetFramegrabberParam(const HString& Param, const HString& Value) const

void HFramegrabber::SetFramegrabberParam(const char* Param, const char* Value) const

void HOperatorSetX.SetFramegrabberParam(
[in] VARIANT AcqHandle, [in] VARIANT Param, [in] VARIANT Value)

void HFramegrabberX.SetFramegrabberParam(
[in] VARIANT Param, [in] VARIANT Value)

static void HOperatorSet.SetFramegrabberParam(HTuple acqHandle, HTuple param, HTuple value)

void HFramegrabber.SetFramegrabberParam(HTuple param, HTuple value)

void HFramegrabber.SetFramegrabberParam(string param, string value)

Description

The operator set_framegrabber_paramset_framegrabber_paramSetFramegrabberParamset_framegrabber_paramSetFramegrabberParamSetFramegrabberParam sets specific parameters for the image acquisition device specified by AcqHandleAcqHandleAcqHandleAcqHandleAcqHandleacqHandle. Additional information for a specific image acquisition device is available via info_framegrabberinfo_framegrabberInfoFramegrabberinfo_framegrabberInfoFramegrabberInfoFramegrabber. A comprehensive documentation of all image acquistion device-specific parameters can be found in the corresponding interface documentation in the directory 'doc/html/reference/acquisition'"doc/html/reference/acquisition""doc/html/reference/acquisition""doc/html/reference/acquisition""doc/html/reference/acquisition""doc/html/reference/acquisition".

Attention

For a multithreaded application all image acquisition operators (as listed in open_framegrabberopen_framegrabberOpenFramegrabberopen_framegrabberOpenFramegrabberOpenFramegrabber) are an own group in which info_framegrabberinfo_framegrabberInfoFramegrabberinfo_framegrabberInfoFramegrabberInfoFramegrabber, open_framegrabberopen_framegrabberOpenFramegrabberopen_framegrabberOpenFramegrabberOpenFramegrabber, close_framegrabberclose_framegrabberCloseFramegrabberclose_framegrabberCloseFramegrabberCloseFramegrabber and close_all_framegrabbersclose_all_framegrabbersCloseAllFramegrabbersclose_all_framegrabbersCloseAllFramegrabbersCloseAllFramegrabbers are executed exclusively.

set_framegrabber_paramset_framegrabber_paramSetFramegrabberParamset_framegrabber_paramSetFramegrabberParamSetFramegrabberParam runs in parallel with all non-exclusive operators inside and outside of this group.

Parallelization

This operator modifies the state of the following input parameter:

The value of this parameter may not be shared across multiple threads without external synchronization.

Parameters

AcqHandleAcqHandleAcqHandleAcqHandleAcqHandleacqHandle (input_control, state is modified)  framegrabber HFramegrabber, HTupleHTupleHFramegrabber, HTupleHFramegrabberX, VARIANTHtuple (integer) (IntPtr) (Hlong) (Hlong) (Hlong) (Hlong)

Handle of the acquisition device to be used.

ParamParamParamParamParamparam (input_control)  string(-array) HTupleHTupleHTupleVARIANTHtuple (string) (string) (HString) (char*) (BSTR) (char*)

Parameter name.

Suggested values: 'color_space'"color_space""color_space""color_space""color_space""color_space", 'continuous_grabbing'"continuous_grabbing""continuous_grabbing""continuous_grabbing""continuous_grabbing""continuous_grabbing", 'external_trigger'"external_trigger""external_trigger""external_trigger""external_trigger""external_trigger", 'grab_timeout'"grab_timeout""grab_timeout""grab_timeout""grab_timeout""grab_timeout", 'image_height'"image_height""image_height""image_height""image_height""image_height", 'image_width'"image_width""image_width""image_width""image_width""image_width", 'port'"port""port""port""port""port", 'start_column'"start_column""start_column""start_column""start_column""start_column", 'start_row'"start_row""start_row""start_row""start_row""start_row", 'volatile'"volatile""volatile""volatile""volatile""volatile"

ValueValueValueValueValuevalue (input_control)  string(-array) HTupleHTupleHTupleVARIANTHtuple (string / real / integer) (string / double / int / long) (HString / double / Hlong) (char* / double / Hlong) (BSTR / double / Hlong) (char* / double / Hlong)

Parameter value to be set.

Result

If the image acquisition device is open and the specified parameter / parameter value is supported, the operator set_framegrabber_paramset_framegrabber_paramSetFramegrabberParamset_framegrabber_paramSetFramegrabberParamSetFramegrabberParam returns the value 2 (H_MSG_TRUE). Otherwise an exception is raised.

Possible Predecessors

open_framegrabberopen_framegrabberOpenFramegrabberopen_framegrabberOpenFramegrabberOpenFramegrabber

Possible Successors

grab_imagegrab_imageGrabImagegrab_imageGrabImageGrabImage, grab_datagrab_dataGrabDatagrab_dataGrabDataGrabData, grab_image_startgrab_image_startGrabImageStartgrab_image_startGrabImageStartGrabImageStart, grab_image_asyncgrab_image_asyncGrabImageAsyncgrab_image_asyncGrabImageAsyncGrabImageAsync, grab_data_asyncgrab_data_asyncGrabDataAsyncgrab_data_asyncGrabDataAsyncGrabDataAsync, get_framegrabber_paramget_framegrabber_paramGetFramegrabberParamget_framegrabber_paramGetFramegrabberParamGetFramegrabberParam

See also

open_framegrabberopen_framegrabberOpenFramegrabberopen_framegrabberOpenFramegrabberOpenFramegrabber, info_framegrabberinfo_framegrabberInfoFramegrabberinfo_framegrabberInfoFramegrabberInfoFramegrabber, get_framegrabber_paramget_framegrabber_paramGetFramegrabberParamget_framegrabber_paramGetFramegrabberParamGetFramegrabberParam

Module

Foundation


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