Operator Reference

HALCON Operator Reference / Regions / Creation
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gen_empty_regiongen_empty_regionGenEmptyRegionGenEmptyRegiongen_empty_region (Operator)

gen_empty_regiongen_empty_regionGenEmptyRegionGenEmptyRegiongen_empty_region — Create an empty region.

Signature

gen_empty_region( : EmptyRegion : : )

Herror gen_empty_region(Hobject* EmptyRegion)

Herror T_gen_empty_region(Hobject* EmptyRegion)

void GenEmptyRegion(HObject* EmptyRegion)

void HRegion::GenEmptyRegion()

static void HOperatorSet.GenEmptyRegion(out HObject emptyRegion)

void HRegion.GenEmptyRegion()

def gen_empty_region() -> HObject

Description

The operator gen_empty_regiongen_empty_regionGenEmptyRegionGenEmptyRegiongen_empty_region creates an empty region. This means that the output parameter contains an object. Thus, count_objcount_objCountObjCountObjcount_obj returns 1. The area of the region is 0. Most of the shape features are undefined (0). It should be noted that an empty region must not be confused with the empty tuple.

Execution Information

  • Multithreading type: reentrant (runs in parallel with non-exclusive operators).
  • Multithreading scope: global (may be called from any thread).
  • Processed without parallelization.

Parameters

EmptyRegionEmptyRegionEmptyRegionemptyRegionempty_region (output_object)  region → objectHRegionHObjectHObjectHobject *

Empty region (no pixels).

Module

Foundation

ClassesClasses | | Operators