set_descriptor_model_originT_set_descriptor_model_originSetDescriptorModelOriginSetDescriptorModelOrigin (Operator)
Name
set_descriptor_model_originT_set_descriptor_model_originSetDescriptorModelOriginSetDescriptorModelOrigin — Sets the origin of a descriptor model.
Signature
Herror T_set_descriptor_model_origin(const Htuple ModelID, const Htuple Row, const Htuple Column)
Description
The operator set_descriptor_model_originset_descriptor_model_originSetDescriptorModelOriginSetDescriptorModelOriginSetDescriptorModelOrigin sets the origin (reference
point) of the descriptor model ModelIDModelIDModelIDModelIDmodelID to a new
value. The origin is specified relative to the center of gravity of the
domain (region) of the image that was used to create the descriptor model
with create_uncalib_descriptor_modelcreate_uncalib_descriptor_modelCreateUncalibDescriptorModelCreateUncalibDescriptorModelCreateUncalibDescriptorModel, or
create_calib_descriptor_modelcreate_calib_descriptor_modelCreateCalibDescriptorModelCreateCalibDescriptorModelCreateCalibDescriptorModel. Hence, an origin of (0,0) means
that the center of gravity of the domain of the model image is used as
the origin. An origin of (-20,-40) means that the origin lies to the
upper left of the center of gravity. The new setting affects the
succeeding find_uncalib_descriptor_modelfind_uncalib_descriptor_modelFindUncalibDescriptorModelFindUncalibDescriptorModelFindUncalibDescriptorModel and
find_calib_descriptor_modelfind_calib_descriptor_modelFindCalibDescriptorModelFindCalibDescriptorModelFindCalibDescriptorModel calls.
Execution Information
- Multithreading type: reentrant (runs in parallel with non-exclusive operators).
- Multithreading scope: global (may be called from any thread).
- Processed without 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
ModelIDModelIDModelIDModelIDmodelID (input_control, state is modified) descriptor_model → HDescriptorModel, HTupleHTupleHtuple (handle) (IntPtr) (HHandle) (handle)
Handle of a descriptor model.
RowRowRowRowrow (input_control) real → HTupleHTupleHtuple (real / integer) (double / int / long) (double / Hlong) (double / Hlong)
Translation of origin in row direction.
Default value: 0
ColumnColumnColumnColumncolumn (input_control) real → HTupleHTupleHtuple (real / integer) (double / int / long) (double / Hlong) (double / Hlong)
Translation of origin in column direction.
Default value: 0
Possible Predecessors
create_uncalib_descriptor_modelcreate_uncalib_descriptor_modelCreateUncalibDescriptorModelCreateUncalibDescriptorModelCreateUncalibDescriptorModel,
create_calib_descriptor_modelcreate_calib_descriptor_modelCreateCalibDescriptorModelCreateCalibDescriptorModelCreateCalibDescriptorModel,
read_descriptor_modelread_descriptor_modelReadDescriptorModelReadDescriptorModelReadDescriptorModel
See also
get_descriptor_model_originget_descriptor_model_originGetDescriptorModelOriginGetDescriptorModelOriginGetDescriptorModelOrigin,
create_uncalib_descriptor_modelcreate_uncalib_descriptor_modelCreateUncalibDescriptorModelCreateUncalibDescriptorModelCreateUncalibDescriptorModel
Module
Matching