ConnectedComponentsWithStats
Computes the connected components and corresponding statistics of an image.
Syntax
Definition:
HRESULT ConnectedComponentsWithStats(
HRESULT hrPrev,
ITcVnImage* ipSrcImage,
ITcVnImage*& ipLabelImage,
ITcVnContainer*& ipBoundingBoxes,
ITcVnContainer*& ipNumPixels,
ITcVnContainer*& ipCentroids,
LONG& nLabels,
ETcVnPixelConnectivity eConnectivity = PC_8,
ETcVnElementType eLabelType = TCVN_ET_DINT,
ETcVnConnectedComponentsAlgorithm eAlgorithm = CCA_GRANA
)
Parameters
|
Name |
Type |
Default |
Description |
|---|---|---|---|
|
hrPrev |
|
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) | |
|
ipSrcImage |
|
Source image (USINT, 1 channel, binary) | |
|
ipLabelImage |
|
Returns the labels for each source image pixel (1 channel, DINT. An appropriate destination image will be created if required.) | |
|
ipBoundingBoxes |
|
Returns the bounding boxes for each labeled region. (ContainerType_Vector_TcVnRectangle_DINT; Non-zero interface pointers are reused.) | |
|
ipNumPixels |
|
Returns the number of pixels for each labeled region. (ContainerType_Vector_DINT; Non-zero interface pointers are reused.) | |
|
ipCentroids |
|
Returns the centroids for each labeled region. (ContainerType_Vector_TcVnPoint2_LREAL; Non-zero interface pointers are reused.) | |
|
nLabels |
LONG& |
|
Returns the number of labels |
|
eConnectivity |
PC_8 |
Selects if 4- or 8-way pixel connectivity should be used | |
|
eLabelType |
TCVN_ET_DINT |
Selects the type of ipLabelImage (only UINT or DINT supported) | |
|
eAlgorithm |
CCA_GRANA |
Selects the applied algorithm |
Return valueRequired License
TC3 Vision Base
System Requirements
Development environment | Target platform | PLC libraries to include |
|---|---|---|
TwinCAT V3.1.4024.54 or later | PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU | Tc3_Vision |