//
// Draw the differences between the track lines
//
void drawTrackDiff(XYChart c, Dictionary <string, double> log0, Dictionary <string, double> log1)
{
double x0, x1;
if (!((null != log0) && log0.TryGetValue("x", out x0) && (null != log1) && log1.TryGetValue("x", out x1)))
{
return;
}
// Two columns in the table
var leftCol = new System.Text.StringBuilder();
var rightCol = new System.Text.StringBuilder();
leftCol.Append("Change in x: ");
rightCol.Append(c.formatValue(x1 - x0, "{value|2}"));
// Iterate through all layers to draw the data labels
for (int i = 0; i < c.getLayerCount(); ++i)
{
Layer layer = c.getLayerByZ(i);
// Iterate through all the data sets in the layer
for (int j = 0; j < layer.getDataSetCount(); ++j)
{
var dataSetName = layer.getDataSet(j).getDataName();
double v0, v1;
if (!(log0.TryGetValue(dataSetName, out v0) && log1.TryGetValue(dataSetName, out v1)))
{
continue;
}
leftCol.Append("\nChange in ").Append(dataSetName).Append(": ");
rightCol.Append("\n").Append(c.formatValue(v1 - v0, "{value|2}"));
}
}
string table = "<*block,bgColor=80ffffff,margin=4*><*block*>" + leftCol.ToString() +
"<*/*><*block,halign=right*>" + rightCol.ToString() + "<*/*><*/*>";
TTFText t = c.getDrawArea().text(table, "Arial", 10);
t.draw(c.getPlotArea().getRightX() - t.getWidth(), c.getPlotArea().getTopY(), 0x000000);
}
void drawTrackLine(XYChart c, int lineX, Dictionary <string, double> log)
{
// The drawarea and plotarea objects
DrawArea d = c.getDrawArea();
PlotArea plotArea = c.getPlotArea();
// Get the data x-value that is nearest to the mouse, and find its pixel coordinate.
double xValue = c.getNearestXValue(lineX);
int xCoor = c.getXCoor(xValue);
// Draw empty track line if it is ahead of the data
if ((currentIndex <= 0) || ((xCoor < lineX) && (xValue >= chartTimeLimit)))
{
d.vline(plotArea.getTopY(), plotArea.getBottomY(), lineX, 0x888888);
return;
}
// Draw a vertical track line at the x-position
d.vline(plotArea.getTopY(), plotArea.getBottomY(), xCoor, 0x888888);
// Draw a label on the x-axis to show the track line position.
string xlabel = "<*font,bgColor=000000*> " + c.xAxis().getFormattedLabel(xValue, "nn:ss.ff") +
" <*/font*>";
TTFText t = d.text(xlabel, "Arial Bold", 10);
log["x"] = xValue;
// Restrict the x-pixel position of the label to make sure it stays inside the chart image.
int xLabelPos = Math.Max(0, Math.Min(xCoor - t.getWidth() / 2, c.getWidth() - t.getWidth()));
t.draw(xLabelPos, plotArea.getBottomY() + 6, 0xffffff);
// Iterate through all layers to draw the data labels
for (int i = 0; i < c.getLayerCount(); ++i)
{
Layer layer = c.getLayerByZ(i);
// The data array index of the x-value
int xIndex = layer.getXIndexOf(xValue);
// Iterate through all the data sets in the layer
for (int j = 0; j < layer.getDataSetCount(); ++j)
{
ChartDirector.DataSet dataSet = layer.getDataSetByZ(j);
// Get the color and position of the data label
int color = dataSet.getDataColor();
int yCoor = c.getYCoor(dataSet.getPosition(xIndex), dataSet.getUseYAxis());
// Draw a track dot with a label next to it for visible data points in the plot area
if ((yCoor >= plotArea.getTopY()) && (yCoor <= plotArea.getBottomY()) && (color !=
Chart.Transparent) && (!string.IsNullOrEmpty(dataSet.getDataName())))
{
d.circle(xCoor, yCoor, 4, 4, color, color);
string label = "<*font,bgColor=" + color.ToString("x") + "*> " + c.formatValue(
dataSet.getValue(xIndex), "{value|P4}") + " <*/font*>";
t = d.text(label, "Arial Bold", 10);
log[dataSet.getDataName()] = dataSet.getValue(xIndex);
// Draw the label on the right side of the dot if the mouse is on the left side the
// chart, and vice versa. This ensures the label will not go outside the chart image.
if (xCoor <= (plotArea.getLeftX() + plotArea.getRightX()) / 2)
{
t.draw(xCoor + 5, yCoor, 0xffffff, Chart.Left);
}
else
{
t.draw(xCoor - 5, yCoor, 0xffffff, Chart.Right);
}
}
}
}
}
//Main code for creating chart.
//Note: the argument chartIndex is unused because this demo only has 1 chart.
public void createChart(WinChartViewer viewer, int chartIndex)
{
// The data for the area chart
double[] data = { 30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 89, 60, 55, 53, 35,
50, 66, 56, 48, 52, 65, 62 };
// The labels for the area chart
string[] labels = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12",
"13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24" };
// Create a XYChart object of size 600 x 360 pixels, with a brushed silver background, 1
// pixel 3D border effect, rounded corners and soft drop shadow.
XYChart c = new XYChart(600, 360, Chart.brushedSilverColor(), Chart.Transparent, 1);
c.setRoundedFrame();
c.setDropShadow();
// Add a title box to the chart using 18pt Times Bold Italic font.
ChartDirector.TextBox title = c.addTitle(
"<*block,valign=absmiddle*><*img=@/images/star.png*><*img=@/images/star.png*> " +
"Performance Enhancer <*img=@/images/star.png*><*img=@/images/star.png*><*/*>",
"Times New Roman Bold Italic", 18);
//
// Use a text box with a depressed 3D border to create the inner depressed region
//
// The width of the frame border
int frameWidth = 5;
// Set the depressed region position
ChartDirector.TextBox contentBox = c.addText(frameWidth, title.getHeight(), "");
contentBox.setSize(c.getDrawArea().getWidth() - 1 - frameWidth * 2, c.getDrawArea(
).getHeight() - title.getHeight() - frameWidth - 1);
// Use -1 as the rasied effect to create a depressed region
contentBox.setBackground(Chart.Transparent, Chart.Transparent, -1);
// Set rounded corners, and put the text box at the back of the chart
contentBox.setRoundedCorners(10);
contentBox.setZOrder(Chart.ChartBackZ);
// Tentatively set the plotarea to 50 pixels from the left depressed edge, and 25 pixels
// under the top depressed edge. Set the width to 75 pixels less than the depressed
// region width, and the height to 75 pixels less than the depressed region height. Use
// white (ffffff) background, transparent border, and grey (cccccc) horizontal and
// vertical grid lines.
PlotArea plotArea = c.setPlotArea(50 + contentBox.getLeftX(), contentBox.getTopY() + 25,
contentBox.getWidth() - 75, contentBox.getHeight() - 75, 0xffffff, -1, -1, 0xcccccc,
-1);
// Add a title to the y axis
c.yAxis().setTitle("Energy Concentration (KJ per liter)");
// Set the labels on the x axis.
c.xAxis().setLabels(labels);
// Display 1 out of 3 labels on the x-axis.
c.xAxis().setLabelStep(3);
// Add a title to the x axis using CDML
c.xAxis().setTitle(
"<*block,valign=absmiddle*><*img=@/images/clock.png*> Elapsed Time (hour)<*/*>");
// Set the axes width to 2 pixels
c.xAxis().setWidth(2);
c.yAxis().setWidth(2);
// Add an area layer to the chart using a gradient color that changes vertically from
// semi-transparent red (60ff0000) to semi-transparent white (60ffffff)
c.addAreaLayer(data, c.linearGradientColor(0, contentBox.getTopY() + 20, 0,
contentBox.getTopY() + contentBox.getHeight() - 50, 0x60ff0000, 0x60ffffff));
// Adjust the plot area size, such that the bounding box (inclusive of axes) is 15
// pixels from the left depressed edge, 25 pixels below the top depressed edge, 25
// pixels from the right depressed edge, and 15 pixels above the bottom depressed edge.
c.packPlotArea(contentBox.getLeftX() + 15, contentBox.getTopY() + 25,
contentBox.getLeftX() + contentBox.getWidth() - 25, contentBox.getTopY() +
contentBox.getHeight() - 15);
// Add a custom CDML text with the bottom right corner is anchored to the bootom right
// corner of the plot area, with 5 pixels margin.
c.addText(plotArea.getLeftX() + plotArea.getWidth() - 5, plotArea.getTopY() +
plotArea.getHeight() - 5,
"<*block,valign=absmiddle*><*img=@/images/small_molecule.png*> <*block*>" +
"<*font=Times New Roman Bold Italic,size=10,color=804040*>Molecular\nEngineering" +
"<*/*>").setAlignment(Chart.BottomRight);
// Output the chart
viewer.Chart = c;
//include tool tip for the chart
viewer.ImageMap = c.getHTMLImageMap("clickable", "",
"title='Hour {xLabel}: {value} KJ/liter'");
}