<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:10pt"><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt; ">Hi folks,</div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt; "><br></div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt; ">I remember having done this in the past but can't figure out how. I am trying to use the vtkScalarBarActor to show contour levels. The range for my scalars is let's say 0:100. Yet, the labels on the actor always go from 0 to 1. How do I get the scalar bar to show the right range?</div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt; "><br></div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt; ">The code is something along the lines of (loosely based on the ScalarBarActor example)</div><div style="font-family: arial, helvetica, sans-serif; font-size:
10pt; "><br></div><div><div><font face="arial, helvetica, sans-serif" size="2">vtkXMLStructuredGridReader reader = new vtkXMLStructuredGridReader();</font></div><div><font face="arial, helvetica, sans-serif" size="2">reader.SetFileName(file_name);</font></div><div><font face="arial, helvetica, sans-serif" size="2">reader.Update();</font></div><div><span class="Apple-tab-span" style="white-space: pre; "><font face="arial, helvetica, sans-serif" size="2"><br></font></span></div><div><span style="font-family: arial, helvetica, sans-serif; font-size: 13px; ">vtkDataSet data = reader.GetOutputAsDataSet();</span><br></div></div><div><div><span class="Apple-tab-span" style="white-space: pre; "><font face="arial, helvetica, sans-serif" size="2"> </font></span></div></div><div><div><font face="arial, helvetica, sans-serif" size="2">vtkLookupTable lut = new vtkLookupTable();</font></div><div><font face="arial, helvetica, sans-serif"
size="2">lut.SetNumberOfTableValues(25);</font></div><div><font face="arial, helvetica, sans-serif" size="2">lut.SetHueRange (0.75,0);</font></div><div><font face="arial, helvetica, sans-serif" size="2">lut.SetSaturationRange (1, 1);</font></div><div><font face="arial, helvetica, sans-serif" size="2">lut.SetValueRange (1, 1);</font></div><div><span class="Apple-tab-span" style="white-space:pre"><font face="arial, helvetica, sans-serif" size="2"> </font></span></div><div><font face="arial, helvetica, sans-serif" size="2">double range[] = data.GetPointData().GetScalars().GetRange();</font></div><div><span style="font-family: arial, helvetica, sans-serif; font-size: 13px; ">lut.SetRange(range);</span><br></div><div><span style="font-family: arial, helvetica, sans-serif; font-size: 13px; ">lut.Build();</span><br></div><div><span class="Apple-tab-span" style="white-space:pre"><font face="arial, helvetica, sans-serif" size="2">
</font></span></div><div><font face="arial, helvetica, sans-serif" size="2">vtkDataSetMapper mapper = new vtkDataSetMapper();</font></div><div><font face="arial, helvetica, sans-serif" size="2">mapper.SetInput(data);</font></div><div><span style="font-family: arial, helvetica, sans-serif; font-size: 13px; ">mapper.ScalarVisibilityOn();</span><br></div><div><font face="arial, helvetica, sans-serif" size="2">mapper.SetScalarModeToUsePointData();</font></div><div><font face="arial, helvetica, sans-serif" size="2">mapper.SetColorModeToMapScalars();</font></div><div><font face="arial, helvetica, sans-serif" size="2">mapper.SetLookupTable(lut);</font></div><div><span class="Apple-tab-span" style="white-space:pre"><font face="arial, helvetica, sans-serif" size="2"> </font></span></div><div><span style="font-family: arial, helvetica, sans-serif; font-size: 13px; ">vtkScalarBarActor bar = new vtkScalarBarActor();</span><br></div><div><font face="arial,
helvetica, sans-serif" size="2">bar.SetTitle(data_name);</font></div><div><font face="arial, helvetica, sans-serif" size="2">bar.SetNumberOfLabels(5);</font></div><div><font face="arial, helvetica, sans-serif" size="2">bar.SetLookupTable(lut);</font></div><div><font face="arial, helvetica, sans-serif" size="2"><br></font></div><div><font face="arial, helvetica, sans-serif" size="2">Thanks!</font></div><div><font face="arial, helvetica, sans-serif" size="2"><br></font></div><div><font face="arial, helvetica, sans-serif" size="2">--</font></div><div><font face="arial, helvetica, sans-serif" size="2">Lubos</font></div><div><font face="arial, helvetica, sans-serif" size="2">@particleincell</font></div></div></div></body></html>