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This post was updated on .
Is it possible to ignore certain points when plotting a line plot? The following code is from plot example in Fiji. The bold line is changed, however it does not work I get: expected double[] y2 = { 18, Double.[], 3, 1, 7, 11, 11, 5, 2 };
Changing it to Double.NaN also doesn't work correctly, since it goes to -inf.
import ij.gui.Plot;
import ij.gui.PlotWindow;
import ij.plugin.PlugIn;
import java.awt.Color;
/**
* An example how to use ImageJ's Plot class
*/
public class Plot_Example implements PlugIn {
/**
* This method gets called by ImageJ / Fiji.
*
* @param arg can be specified in plugins.config
* @see ij.plugin.PlugIn#run(java.lang.String)
*/
@Override
public void run(String arg) {
// Some data to show
double[] x = { 1, 3, 4, 5, 6, 7, 8, 9, 11 };
double[] y = { 20, 5, -2, 3, 10, 12, 8, 3, 0 };
double[] y2 = { 18, null, 3, 1, 7, 11, 11, 5, 2 };
double[] x3 = { 2, 10 };
double[] y3 = { 13, 3 };
// Initialize the plot with x/y
Plot plot = new Plot("Example plot", "x", "y", x, y);
// make some margin (xMin, xMax, yMin, yMax)
plot.setLimits(0, 12, -3, 21);
// Add x/y2 in blue; need to draw the previous data first
plot.draw();
plot.setColor(Color.BLUE);
plot.addPoints(x, y2, Plot.LINE);
// Add x3/y3 as circles instead of connected lines
plot.draw();
plot.setColor(Color.BLACK);
plot.addPoints(x3, y3, Plot.CIRCLE);
// Finally show it, but remember the window
PlotWindow window = plot.show();
// Wait 5 seconds
try { Thread.sleep(5000); } catch (InterruptedException e) {}
// Make a new plot and update the window
plot = new Plot("Example plot2", "x", "y", x, y2);
plot.setLimits(0, 12, -3, 21);
plot.draw();
plot.setColor(Color.GREEN);
plot.addPoints(x, y, Plot.CROSS);
plot.draw();
plot.setColor(Color.RED);
plot.addPoints(x3, y3, Plot.LINE);
window.drawPlot(plot);
}
}
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