public void Draw(WinChartViewer viewer)
{
Mat img = new Mat(imgPath);
Mat grayScale = new Mat(img.Rows, img.Cols, MatType.CV_8UC1);
grayScale = img.CvtColor(ColorConversionCodes.BGR2GRAY);
byte[,] data = new byte[grayScale.Rows, grayScale.Cols];
for (int i = 0; i < grayScale.Rows; i++)
{
for (int j = 0; j < grayScale.Cols; j++)
{
data[i, j] = grayScale.At <Byte>(i, j);
}
}
double[] dataX = new double[grayScale.Rows * grayScale.Cols];
double[] dataY = new double[grayScale.Rows * grayScale.Cols];
double[] dataZ = new double[grayScale.Rows * grayScale.Cols]; //GrayValue
int SIZE = 0;
for (int x = 0; x < grayScale.Rows; x++)
{
for (int y = 0; y < grayScale.Cols; y++)
{
dataX[SIZE] = x;
dataY[SIZE] = y;
dataZ[SIZE] = data[x, y];
SIZE++;
}
}
SurfaceChart c = new SurfaceChart(595, 400);
c.setPlotRegion(240, 170, 250, 250, 180);
c.setData(dataX, dataY, dataZ);
c.setInterpolation(100, 100);
c.setViewAngle(elevationAngle, rotationAngle);
c.setShadingMode(Chart.RectangularFrame);
c.setColorAxis(530, 270, Chart.Left, 200, Chart.Right);
c.setWallColor(0x000000);
c.setWallGrid(0xffffff, 0xffffff, 0xffffff, 0x888888, 0x888888, 0x888888);
c.setWallThickness(0, 0, 0);
c.setWallVisibility(true, false, false);
c.xAxis().setTitle("Y Axis", "Arial Bold", 15);
c.yAxis().setTitle("X Axis", "Arial Bold", 15);
c.xAxis().setLabelStyle("Arial", 10);
c.yAxis().setLabelStyle("Arial", 10);
c.zAxis().setLabelStyle("Arial", 10);
c.colorAxis().setLabelStyle("Arial", 10);
// Output the chart
viewer.Chart = c;
}
//Main code for creating chart.
//Note: the argument chartIndex is unused because this demo only has 1 chart.
public void createChart(WPFChartViewer viewer, int chartIndex)
{
// The (x, y, z) coordinates of the scattered data
double[] dataX = { 0.5, 1.9, 4.9, 1.0, 8.9, 9.8, 5.9, 2.9, 6.8, 9.0, 0.0, 8.9, 1.9, 4.8,
2.4, 3.4, 7.9, 7.5, 4.8, 7.5, 9.5, 0.4, 8.9, 0.9, 5.4, 9.4, 2.9, 8.9, 0.9, 8.9,
10.0, 1.0, 6.8, 3.8, 9.0, 5.3, 6.4, 4.9, 4.5, 2.0, 5.4, 0.0, 10.0, 3.9, 5.4, 5.9,
5.8, 0.3, 4.4, 8.3 };
double[] dataY = { 3.3, 3.0, 0.7, 1.0, 9.3, 4.5, 8.4, 0.1, 0.8, 0.1, 9.3, 1.8, 4.3, 1.3,
2.3, 5.4, 6.9, 9.0, 9.8, 7.5, 1.8, 1.4, 4.5, 7.8, 3.8, 4.0, 2.9, 2.4, 3.9, 2.9, 2.3,
9.3, 2.0, 3.4, 4.8, 2.3, 3.4, 2.3, 1.5, 7.8, 4.5, 0.9, 6.3, 2.4, 6.9, 2.8, 1.3, 2.9,
6.4, 6.3 };
double[] dataZ = { 6.6, 12.5, 7.4, 6.2, 9.6, 13.6, 19.9, 2.2, 6.9, 3.4, 8.7, 8.4, 7.8,
8.0, 9.4, 11.9, 9.6, 15.7, 12.0, 13.3, 9.6, 6.4, 9.0, 6.9, 4.6, 9.7,10.6, 9.2, 7.0,
6.9, 9.7, 8.6, 8.0, 13.6, 13.2, 5.9, 9.0, 3.2, 8.3, 9.7, 8.2, 6.1, 8.7, 5.6, 14.9,
9.8, 9.3, 5.1, 10.8, 9.8 };
// Create a SurfaceChart object of size 680 x 550 pixels. Set background to brushed
// silver and border to grey (888888). Set the top-left and bottom-right corners to
// rounded corners with 20 pixels radius.
SurfaceChart c = new SurfaceChart(680, 550, Chart.brushedSilverColor(), 0x888888);
c.setRoundedFrame(0xffffff, 20, 0, 20, 0);
// Add a title to the chart using 20 points Times New Roman Italic font. Set top/bottom
// margin to 8 pixels.
ChartDirector.TextBox title = c.addTitle("Surface Created Using Scattered Data Points",
"Times New Roman Italic", 20);
title.setMargin2(0, 0, 8, 8);
// Add a 2 pixel wide black (000000) separator line under the title
c.addLine(10, title.getHeight(), c.getWidth() - 10, title.getHeight(), 0x000000, 2);
// Set the center of the plot region at (290, 235), and set width x depth x height to
// 360 x 360 x 180 pixels
c.setPlotRegion(290, 235, 360, 360, 180);
// Set the elevation and rotation angles to 45 and -45 degrees
c.setViewAngle(45, -45);
// Set the perspective level to 30
c.setPerspective(30);
// Set the data to use to plot the chart
c.setData(dataX, dataY, dataZ);
// Add a color axis (the legend) in which the top right corner is anchored at (660, 80).
// Set the length to 200 pixels and the labels on the right side.
ColorAxis cAxis = c.setColorAxis(660, 80, Chart.TopRight, 200, Chart.Right);
// Set the color axis title with 12 points Arial Bold font
cAxis.setTitle("Z Title Placeholder", "Arial Bold", 12);
// Add a bounding box with light grey (eeeeee) background and grey (888888) border. Set
// the top-left and bottom-right corners to rounded corners of 10 pixels radius.
cAxis.setBoundingBox(0xeeeeee, 0x888888);
cAxis.setRoundedCorners(10, 0, 10, 0);
// Set surface grid lines to semi-transparent black (cc000000)
c.setSurfaceAxisGrid(unchecked ((int)0xcc000000));
// Set contour lines to semi-transparent white (80ffffff)
c.setContourColor(unchecked ((int)0x80ffffff));
// Set the walls to black in color
c.setWallColor(0x000000);
// Set the xyz major wall grid lines to white (ffffff), and minor wall grid lines to
// grey (888888)
c.setWallGrid(0xffffff, 0xffffff, 0xffffff, 0x888888, 0x888888, 0x888888);
// Set the wall thickness to 0
c.setWallThickness(0, 0, 0);
// Show only the xy wall, and hide the yz and zx walls.
c.setWallVisibility(true, false, false);
// Set the x, y and z axis titles using 12 points Arial Bold font
c.xAxis().setTitle("X Title\nPlaceholder", "Arial Bold", 12);
c.yAxis().setTitle("Y Title\nPlaceholder", "Arial Bold", 12);
// Output the chart
viewer.Chart = c;
}