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authorTitta Heikkala <titta.heikkala@digia.com>2014-07-01 07:10:00 +0300
committerTitta Heikkala <titta.heikkala@theqtcompany.com>2014-10-14 13:04:52 +0300
commitc544258484ff4fd5d2b88402fbaa5d154b89a3a2 (patch)
tree7659625abb566dec55d3783ed820b928542d9b2b /doc/src/examples-temperaturerecords.qdoc
parent76339f714f088645e911cee65bdb66055fe029aa (diff)
Qt Charts project file structure change
Charts repository structure is changed to follow the structure of a Qt Add-On module. The task includes following changes: - All macros and definitions named 'commercial' have been renamed. - Compile errors related to QString and qSort usage have been fixed. - Old demos are moved under examples. The QML examples now support only Qt Quick 2.0, the support for Qt Quick 1 is removed. - The QML examples with multiple views are updated so that they are usable also with touch devices. - Unnecessary version checks are removed from examples. - The build stamp has been removed as it was only meant for Charts development purposes and it's no longer needed. Also development build related debug prints are removed as __DATE__ can't be used for all OS thus it doesn't make much sense. - Documentation structure has been updated based on the new module structure. The raw HTML files have been removed. Demos are combined to examples. - Unnecessary .qdocinc files are no longer needed. The content is moved to the corresponding .cpp files. - The Charts widget designer plugin is updated according to the module change. - The test cases updated according to the project structure change. Tests are added also for version 2.0. - cmake modules generation is not needed with Qt 5.4 and Qt Charts so it's disabled. - The new module name and version are updated to the plugin.qmltypes file. Task-number: QTRD-2844, QTRD-3217, QTRD-3218, QTRD-3277, QTRD-3228, QTRD-2526, QTRD-3233, QTRD-3222 Change-Id: Ib7fb26057cde710ffaf6bc780c8bf52a16f45160 Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>
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-/*!
- \example examples/temperaturerecords
- \title Temperature records example
- \subtitle
-
- The example shows how to create a bar chart with negative bars. For our example we use temperature data.
-
- \image examples_temperaturerecords.png
-
- First we create two barsets and append the data to them. One set represents the minimum temperatures and another the maximum temperatures.
-
- \snippet ../examples/temperaturerecords/main.cpp 1
-
- We create the series and append the barsets to it. The series takes ownership of the barsets.
-
- \snippet ../examples/temperaturerecords/main.cpp 2
-
- Here we create the chart object and add the series to it. We set the title for the chart with setTitle, and then turn on animations of the series by calling
- setAnimationOptions(QChart::SeriesAnimations)
-
- \snippet ../examples/temperaturerecords/main.cpp 3
-
- To have categories displayed on an axis, we need to create a QBarCategoryAxis. Here we create a category axis with a list of categories and
- set it to be the x-axis of the chart. The chart takes ownership of the axis. For y-axis we use the default axis, which is created and scaled to the series data
- by calling createDefaultAxes of the chart. We change the range for the y-axis, since this gives nicer result than with autoscaling.
-
- Note that the call for createDefaultAxes must be before we set the category axis. Otherwise the default axis will override the category axis.
-
- \snippet ../examples/temperaturerecords/main.cpp 4
-
- We also want to show the legend. To do so, we get the legend pointer from the chart and set it to visible. We also place the legend to the bottom
- of the chart by setting its alignment to Qt::AlignBottom.
-
- \snippet ../examples/temperaturerecords/main.cpp 5
-
- Finally we add the chart onto a view. We also turn on the antialiasing for the chartView.
-
- \snippet ../examples/temperaturerecords/main.cpp 6
-
- Chart is ready to be shown. We set the chart to be the central widget of the window.
- We also set the size for the chart window and show it.
-
- \snippet ../examples/temperaturerecords/main.cpp 7
-*/