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Refactoring of plot module

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This commit is contained in:
Vladislav Sovrasov
2016-09-23 15:46:34 +03:00
parent 414312cd7c
commit b63697723f
3 changed files with 58 additions and 32 deletions
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2
modules/plot/CMakeLists.txt
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@@ -1,2 +1,2 @@
set(the_description "Plot function for Mat data.")
ocv_define_module(plot opencv_core opencv_highgui)
ocv_define_module(plot opencv_core opencv_highgui WRAP python)

19
modules/plot/include/opencv2/plot.hpp
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@@ -68,17 +68,30 @@ namespace cv
CV_WRAP virtual void setMaxX(double _plotMaxX) = 0;
CV_WRAP virtual void setMaxY(double _plotMaxY) = 0;
CV_WRAP virtual void setPlotLineWidth(int _plotLineWidth) = 0;
CV_WRAP virtual void setNeedPlotLine(bool _needPlotLine) = 0;
CV_WRAP virtual void setPlotLineColor(Scalar _plotLineColor) = 0;
CV_WRAP virtual void setPlotBackgroundColor(Scalar _plotBackgroundColor) = 0;
CV_WRAP virtual void setPlotAxisColor(Scalar _plotAxisColor) = 0;
CV_WRAP virtual void setPlotGridColor(Scalar _plotGridColor) = 0;
CV_WRAP virtual void setPlotTextColor(Scalar _plotTextColor) = 0;
CV_WRAP virtual void setPlotSize(int _plotSizeWidth, int _plotSizeHeight) = 0;
CV_WRAP virtual void render(Mat &_plotResult) = 0;
CV_WRAP virtual void render(OutputArray _plotResult) = 0;
};
CV_EXPORTS_W Ptr<Plot2d> createPlot2d(Mat data);
CV_EXPORTS_W Ptr<Plot2d> createPlot2d(Mat dataX, Mat dataY);
/**
* @brief Creates Plot2d object
*
* @param data \f$1xN\f$ or \f$Nx1\f$ matrix containing \f$Y\f$ values of points to plot. \f$X\f$ values
* will be equal to indexes of correspondind elements in data matrix.
*/
CV_EXPORTS_W Ptr<Plot2d> createPlot2d(InputArray data);
/**
* @brief Creates Plot2d object
*
* @param dataX \f$1xN\f$ or \f$Nx1\f$ matrix \f$X\f$ values of points to plot.
* @param dataY \f$1xN\f$ or \f$Nx1\f$ matrix containing \f$Y\f$ values of points to plot.
*/
CV_EXPORTS_W Ptr<Plot2d> createPlot2d(InputArray dataX, InputArray dataY);
}
}

69
modules/plot/src/plot.cpp
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@@ -57,8 +57,9 @@ namespace cv
{
public:
Plot2dImpl(Mat _plotData)
Plot2dImpl(InputArray plotData)
{
Mat _plotData = plotData.getMat();
//if the matrix is not Nx1 or 1xN
if(_plotData.cols > 1 && _plotData.rows > 1)
{
@@ -91,8 +92,10 @@ namespace cv
}
Plot2dImpl(Mat _plotDataX, Mat _plotDataY)
Plot2dImpl(InputArray plotDataX_, InputArray plotDataY_)
{
Mat _plotDataX = plotDataX_.getMat();
Mat _plotDataY = plotDataY_.getMat();
//f the matrix is not Nx1 or 1xN
if((_plotDataX.cols > 1 && _plotDataX.rows > 1) || (_plotDataY.cols > 1 && _plotDataY.rows > 1))
{
@@ -143,7 +146,11 @@ namespace cv
}
void setPlotLineWidth(int _plotLineWidth)
{
plotLineWidth=_plotLineWidth;
plotLineWidth = _plotLineWidth;
}
void setNeedPlotLine(bool _needPlotLine)
{
needPlotLine = _needPlotLine;
}
void setPlotLineColor(Scalar _plotLineColor)
{
@@ -179,10 +186,12 @@ namespace cv
}
//render the plotResult to a Mat
void render(Mat &_plotResult)
void render(OutputArray _plotResult)
{
//create the plot result
plotResult = Mat(plotSizeHeight, plotSizeWidth, CV_8UC3, plotBackgroundColor);
_plotResult.create(plotSizeHeight, plotSizeWidth, CV_8UC3);
plotResult = _plotResult.getMat();
plotResult.setTo(plotBackgroundColor);
int NumVecElements = plotDataX.rows;
@@ -201,36 +210,35 @@ namespace cv
drawAxis(ImageXzero,ImageYzero, CurrentX, CurrentY, plotAxisColor, plotGridColor);
if(plotLineWidth > 0)
if(needPlotLine)
{
//Draw the plot by connecting lines between the points
Point p1;
p1.x = (int)InterpXdata.at<double>(0,0);
p1.y = (int)InterpYdata.at<double>(0,0);
//Draw the plot by connecting lines between the points
Point p1;
p1.x = (int)InterpXdata.at<double>(0,0);
p1.y = (int)InterpYdata.at<double>(0,0);
for (int r=1; r<InterpXdata.rows; r++){
for (int r=1; r<InterpXdata.rows; r++)
{
Point p2;
p2.x = (int)InterpXdata.at<double>(r,0);
p2.y = (int)InterpYdata.at<double>(r,0);
Point p2;
p2.x = (int)InterpXdata.at<double>(r,0);
p2.y = (int)InterpYdata.at<double>(r,0);
line(plotResult, p1, p2, plotLineColor, plotLineWidth, 8, 0);
line(plotResult, p1, p2, plotLineColor, plotLineWidth, 8, 0);
p1 = p2;
}
p1 = p2;
}
}
else
{
for (int r=0; r<InterpXdata.rows; r++){
Point p;
p.x = (int)InterpXdata.at<double>(r,0);
p.y = (int)InterpYdata.at<double>(r,0);
for (int r=0; r<InterpXdata.rows; r++)
{
Point p;
p.x = (int)InterpXdata.at<double>(r,0);
p.y = (int)InterpYdata.at<double>(r,0);
circle(plotResult, p, 1, plotLineColor, plotLineWidth, 8, 0);
}
circle(plotResult, p, 1, plotLineColor, plotLineWidth, 8, 0);
}
}
_plotResult = plotResult.clone();
}
protected:
@@ -264,6 +272,9 @@ namespace cv
//the final plot result
Mat plotResult;
//flag which enables/disables connection of plotted points by lines
bool needPlotLine;
void plotHelper(Mat _plotDataX, Mat _plotDataY)
{
plotDataX=_plotDataX;
@@ -288,6 +299,8 @@ namespace cv
double MinY_plusZero;
double MaxY_plusZero;
needPlotLine = true;
//Obtain the minimum and maximum values of Xdata
minMaxLoc(plotDataX,&MinX,&MaxX);
@@ -423,13 +436,13 @@ namespace cv
};
Ptr<Plot2d> createPlot2d(Mat _plotData)
Ptr<Plot2d> createPlot2d(InputArray _plotData)
{
return Ptr<Plot2dImpl> (new Plot2dImpl (_plotData));
}
Ptr<Plot2d> createPlot2d(Mat _plotDataX, Mat _plotDataY)
Ptr<Plot2d> createPlot2d(InputArray _plotDataX, InputArray _plotDataY)
{
return Ptr<Plot2dImpl> (new Plot2dImpl (_plotDataX, _plotDataY));
}