Qt candlestick chart. The example shows how to implement application with strict performance requirements using the qt charts qml api. C2017 the qt company ltd. This is a demonstration on how to use a polar chart.
The following qml shows how to create a simple candlestick chart. The values timestamp and parent are optional. To display a candlestick chart we start by creating qcandlestickseries to handle daily data.
When using valueaxis or datetimeaxis candlestick items sharing a timestamp will overlap each other. Add candlesticktester for manual tests. See the candlestick chart example to learn how to create a candlestick chart.
Documentation contributions included herein are the copyrights of their respective owners. The values open high low and close are mandatory. Shows how to create a candlestick chart.
Polar charts polar charts present data in a circular graph where the placement of data is based on the angle and distance from the center of the graph the pole. The example shows the look and feel of the different built in themes. The creation of candlestick charts is widely credited to an 18 th century japanese rice trader munehisa homma.
When using qvalueaxis or qdatetimeaxis candlestick items sharing a timestamp will overlap each other. A candlestick chart is implemented by using the qcandlestickseries and qcandlestickset classes or the candlestickseries and candlestickset qml types. Implement all the necessary classes for candlestick chart qcandlestickset qcandlestickseries qcandlestickmodelmapper etc add candlestick chart example.
If the chart includes multiple instances of qcandlestickseries items from different series sharing a timestamp are drawn to the same category. History of candlestick charts. The documentation provided herein is licensed under the terms of the gnu free documentation license version 13 as published by the free software foundation.
If the chart includes multiple instances of candlestickseries items from different series sharing a timestamp are drawn to the same category. Member function documentation qcandlestickset. Add qml candlestick chart example.
Qcandlestickset qreal timestamp 00 qobject parent. Qcandlestickset qreal open qreal high qreal low qreal close qreal timestamp 00 qobject parent nullptr constructs a candlestick item with given ordered values. To run the example from qt creator open the welcome mode and select the example from examplesfor more information visit building and running an example.