OpenCV Interfaceing Tools

Collaboration diagram for OpenCV Interfaceing Tools:

Functions
template<typename TPixel >
void	JKQTPDatastore_Helper::copyDataFromMat (double *data, const cv::Mat &mat, int channel)
	internal helper function for JKQTPCopyCvMatToColumn()
size_t	JKQTPCopyCvMatToColumn (JKQTPDatastore *datastore, const cv::Mat &mat, const QString &name=QString(""), int channel=0)
	add one external column to the datastore. It will be filled with the contents of CImg matrix cv::Mat

Detailed Description

Classes and functions in this group allow JKQTPlotter to directly work with OpenCV data structures.

Examples:

• Example (JKQTPlotter): Simple math image plot, showin a 1-channel OpenCV cv::Mat
  
• Example (JKQTPlotter): Simple RGB image plot, showing a 3-channel OpenCV cv::Mat

The OpenCV-binding itself is header-only, and NOT compiled into the JKQtPlotter libraries. Therefore you can simply include the header and use the facilities provided by it.

The CMake-build system of JKQtPlotter (and its examples) is compatible with both OpenCV 3.4.x and 4.x and uses the standard find_package(OpenCV) facilities provided by OpenCV to compile and bind against that library. If you want to build the OpenCV-based JKQtPlotter examples (see list above), you either have to ensure that CMake finds OpenCV by itself (i.e. somewhere in the default search paths), or you can set the CMake variable OpenCV_DIR so it points to the OpenCV directory before configuring JKQtPlotter.

Function Documentation

copyDataFromMat()

template<typename TPixel >

void JKQTPDatastore_Helper::copyDataFromMat ( double *  data, const cv::Mat &  mat, int  channel  )

inline

internal helper function for JKQTPCopyCvMatToColumn()

JKQTPCopyCvMatToColumn()

size_t JKQTPCopyCvMatToColumn ( JKQTPDatastore *  datastore, const cv::Mat &  mat, const QString &  name = QString(""), int  channel = 0  )

inline

add one external column to the datastore. It will be filled with the contents of CImg matrix cv::Mat

Parameters

datastore	the datastore to which the OpenCV matrix shuld be added (as column)
mat	OpenCV-matrix to store here
name	name for the column
channel	to copy from mat

Returns

the ID of the newly created column

See also

OpenCV Interfaceing Tools, Example (JKQTPlotter): Simple math image plot, showin a 1-channel OpenCV cv::Mat or Example (JKQTPlotter): Simple RGB image plot, showing a 3-channel OpenCV cv::Mat for details on how to use this function.