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Clone from http://code.qt.io/qt/qtcharts.git

scale datetime chart in chartviewer
Michal Klocek -
r2125:b0cf5101659d
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@@ -38,14 +38,16 public:
38 QValueAxis *valueaxis = new QValueAxis();
38 QValueAxis *valueaxis = new QValueAxis();
39 QDateTimeAxis *datetimeaxis = new QDateTimeAxis();
39 QDateTimeAxis *datetimeaxis = new QDateTimeAxis();
40 datetimeaxis->setTickCount(10);
40 datetimeaxis->setTickCount(10);
41 datetimeaxis->setFormat("MMM yyyy");
41 datetimeaxis->setFormat("yyyy");
42
42
43 QString name("Series ");
43 QString name("Series ");
44 int nameIndex = 0;
44 int nameIndex = 0;
45 foreach (DataList list, table) {
45 foreach (DataList list, table) {
46 QLineSeries *series = new QLineSeries(chart);
46 QLineSeries *series = new QLineSeries(chart);
47 foreach (Data data, list)
47 foreach (Data data, list){
48 series->append(data.first);
48 QPointF point = data.first;
49 series->append(1000l*60l*60l*24l*365l*30l+point.x()*1000l*60l*60l*24l*365l,point.y());
50 }
49 series->setName(name + QString::number(nameIndex));
51 series->setName(name + QString::number(nameIndex));
50 nameIndex++;
52 nameIndex++;
51 chart->addSeries(series);
53 chart->addSeries(series);
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@@ -23,6 +23,7
23 #include "chartdatetimeaxisx_p.h"
23 #include "chartdatetimeaxisx_p.h"
24 #include "chartdatetimeaxisy_p.h"
24 #include "chartdatetimeaxisy_p.h"
25 #include "domain_p.h"
25 #include "domain_p.h"
26 #include <float.h>
26 #include <cmath>
27 #include <cmath>
27
28
28 QTCOMMERCIALCHART_BEGIN_NAMESPACE
29 QTCOMMERCIALCHART_BEGIN_NAMESPACE
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