Hi,<br> <br> I'm writing one example of XYPlot using VTK(vtkXYPlotActor), well, the code is following:<br> <br> #include "vtkPolyDataMapper.h"<br> #include "vtkActor.h"<br> #include "vtkRenderWindow.h"<br> #include "vtkRenderer.h"<br> #include "vtkRenderWindowInteractor.h"<br> #include "vtkXYPlotActor.h"<br> #include "vtkLineSource.h"<br> #include "vtkConeSource.h"<br> #include "vtkProperty.h"<br> <br> main()<br> {<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vtkLineSource *line = vtkLineSource::New();<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; line-&gt;SetResolution(60);<br> <br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vtkXYPlotActor *xyplot = vtkXYPlotActor::New();<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xyplot-&gt;AddInput(line-&gt;GetOutput());<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xyplot-&gt;GetPositionCoordinate()-&gt;SetValue(0.0,0.67,0);<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 xyplot-&gt;GetPosition2Coordinate()-&gt;SetValue(1.0,0.33,0);<br> <br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xyplot-&gt;SetTitle("Pressure vs. Arc Length (Zoomed View) EITA CARAMBA!");<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xyplot-&gt;SetXTitle("Time");<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xyplot-&gt;SetYTitle("Press");<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xyplot-&gt;SetXRange(0,0.8);<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xyplot-&gt;SetYRange(0,12);<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xyplot-&gt;SetLegend(1);<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xyplot-&gt;SetLegendPosition(.0,.2);<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xyplot-&gt;SetBorder(1);<br> <br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vtkRenderer *ren1 = vtkRenderer::New();<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vtkRenderWindow *renWin = vtkRenderWindow::New();<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 renWin-&gt;AddRenderer(ren1);<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; iren-&gt;SetRenderWindow(renWin);<br> <br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ren1-&gt;SetBackground(0,0,1);<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ren1-&gt;AddActor(xyplot);<br> <br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; renWin-&gt;SetSize(600,300);<br> <br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; for(;;)<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; iren-&gt;Start();<br> <br> &nbsp;&nbsp;&nbsp; return 0;<br> }<br> <br> this code make a XYPlot contain just XY axes. How do show an curve in this example?<br> <br> Thank's!!!<br> []'s<br> <BR><BR>/(        )`<br>                              \ \___   / |<br>                              /- _  `-/  '<br>                             (/\/ \ \   /\<br>                             / /   | `    \<br>                             O
 O   ) /     |<br>                             `-^--'`&lt;      '<br>                             (_.)  _  )   /<br>                             `.___/`    / <br>                               `-----' /<br>                  &lt;----.     __ / __   \<br>                  &lt;----|====O)))==) \) /====<br>                  &lt;----'    `--' `.__,' \<br>                                |        |<br>                                \       /       /\<br>                          ______( (_  / \______/<br>                         ,'  ,-----'   |  Jan Palach, programador:<br>                         `--{__________)  Python, C/C++<p>
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