67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
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/**
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* @file launching_viz.cpp
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* @brief Launching visualization window
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* @author Ozan Cagri Tonkal
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*/
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#include <opencv2/viz.hpp>
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#include <iostream>
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using namespace cv;
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using namespace std;
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/**
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* @function help
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* @brief Display instructions to use this tutorial program
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*/
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static void help()
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{
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cout
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<< "--------------------------------------------------------------------------" << endl
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<< "This program shows how to launch a 3D visualization window. You can stop event loop to continue executing. "
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<< "You can access the same window via its name. You can run event loop for a given period of time. " << endl
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<< "Usage:" << endl
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<< "./launching_viz" << endl
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<< endl;
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}
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/**
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* @function main
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*/
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int main()
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{
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help();
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/// Create a window
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viz::Viz3d myWindow("Viz Demo");
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/// Start event loop
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myWindow.spin();
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/// Event loop is over when pressed q, Q, e, E
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cout << "First event loop is over" << endl;
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/// Access window via its name
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viz::Viz3d sameWindow = viz::getWindowByName("Viz Demo");
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/// Start event loop
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sameWindow.spin();
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/// Event loop is over when pressed q, Q, e, E
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cout << "Second event loop is over" << endl;
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/// Event loop is over when pressed q, Q, e, E
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/// Start event loop once for 1 millisecond
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sameWindow.spinOnce(1, true);
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while(!sameWindow.wasStopped())
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{
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/// Interact with window
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/// Event loop for 1 millisecond
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sameWindow.spinOnce(1, true);
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}
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/// Once more event loop is stopped
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cout << "Last event loop is over" << endl;
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return 0;
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}
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