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| -rw-r--r-- | src/charts/doc/src/examples-qmloscilloscope.qdoc | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/src/charts/doc/src/examples-qmloscilloscope.qdoc b/src/charts/doc/src/examples-qmloscilloscope.qdoc index 3f833eff..5292d46e 100644 --- a/src/charts/doc/src/examples-qmloscilloscope.qdoc +++ b/src/charts/doc/src/examples-qmloscilloscope.qdoc @@ -28,12 +28,13 @@ The oscilloscope application demonstrates how to use the Qt Charts QML API to implement an application with strict performance requirements. The application uses generated data with - configurable characteristics to mimic a simple oscilloscope user interface. To find out the - actual screen refresh performance of the application, you can set QML_SHOW_FRAMERATE = 1 to - your run environment settings to get the framerate shown in the application output console. - To do so go to Projects - Run - Run environment in Qt Creator and select Add. Then you can - experiment with the different configurable options of the example application to find the - configuration that gives you the best performance in your environment. + configurable characteristics to mimic a simple oscilloscope user interface. + + To get information about actual rendering speed shown in the application output console, you can + set QSG_RENDER_TIMING = 1 to your run environment settings. To do so go to Projects - Run - + Run environment in Qt Creator and select Add. Then you can experiment with the different + configurable options of the example application to find the configuration that gives you the + best performance in your environment. The application window is shared by control and scope views: \snippet qmloscilloscope/qml/qmloscilloscope/main.qml 1 @@ -53,7 +54,4 @@ signal sources. This is implemented by dynamically destroying and creating series: \snippet qmloscilloscope/qml/qmloscilloscope/ScopeView.qml 3 - \note QML_SHOW_FRAMERATE environment variable doesn't work with Qt Quick 2. - From Qt 5.1.0 on, the QSG_RENDER_TIMING environment variable can be used - similarly to display rendering time. */ |