Spectrogram::Spectrogram(Graph *graph, Matrix *m):
QwtPlotSpectrogram(QString(m->objectName())),
d_graph(graph),
d_matrix(m),
color_axis(QwtPlot::yRight),
color_map_policy(Default),
color_map(QwtLinearColorMap()),
d_show_labels(true),
d_labels_color(Qt::black),
d_labels_font(QFont()),
d_white_out_labels(false),
d_labels_angle(0.0),
d_labels_x_offset(0),
d_labels_y_offset(0),
d_selected_label(NULL),
d_use_matrix_formula(false),
d_color_map_pen(false),
d_impose_range(false)
{
setData(MatrixData(m));
double step = fabs(data().range().maxValue() - data().range().minValue())/5.0;
QwtValueList contourLevels;
for ( double level = data().range().minValue() + step;
level < data().range().maxValue(); level += step )
contourLevels += level;
setContourLevels(contourLevels);
}
void Spectrogram::setLevelsNumber(int levels)
{
double step = fabs(data().range().maxValue() - data().range().minValue())/(double)levels;
QwtValueList contourLevels;
for ( double level = data().range().minValue() + 0.5*step;
level < data().range().maxValue(); level += step )
contourLevels += level;
setContourLevels(contourLevels);
}
PlotSpectr::PlotSpectr()
{
setRenderThreadCount(0); // use system specific thread count
QList<double> contourLevels;
contourLevels += 0.99;
setContourLevels( contourLevels );
setAlpha(0);
setDisplayMode( QwtPlotSpectrogram::ContourMode, true );
setCachePolicy( QwtPlotRasterItem::PaintCache );
setRenderHint(QwtPlotItem::RenderAntialiased);
}
void Spectrogram::setLevelsNumber(int levels)
{
if (levels <= 0)
return;
double step = fabs(range().maxValue() - range().minValue())/(double)levels;
QwtValueList contourLevels;
for ( double level = range().minValue() + 0.5*step;
level < range().maxValue(); level += step )
contourLevels += level;
setContourLevels(contourLevels);
}
Spectrogram::Spectrogram(Matrix *m):
QwtPlotSpectrogram(QString(m->objectName())),
d_matrix(m),
color_axis(QwtPlot::yRight),
color_map_policy(Default),
color_map(QwtLinearColorMap())
{
setData(MatrixData(m));
double step = fabs(data().range().maxValue() - data().range().minValue())/5.0;
QwtValueList contourLevels;
for ( double level = data().range().minValue() + step;
level < data().range().maxValue(); level += step )
contourLevels += level;
setContourLevels(contourLevels);
}