<div dir="ltr"><div class="markdown-here-wrapper" style="font-family:'Lucida Sans',Verdana,sans-serif;color:rgb(11,83,148)"><p style="margin:0px 0px 1.2em!important">Take a look at <a href="http://www.vtk.org/Wiki/VTK/Examples/Cxx/Visualization/LegendScaleActor">vtkLegendScaleActor</a>. It uses <a href="http://www.vtk.org/doc/nightly/html/classvtkAxisActor.html">vtkAxisActor</a> internally.</p>
<p style="margin:0px 0px 1.2em!important">Hth,<br>Sankhesh</p>
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U2Fua2hlc2g8L2Rpdj48ZGl2PjxkaXY+PGJyPjwvZGl2PjxkaXY+PGJyPjwvZGl2PjwvZGl2Pg==" style="height:0;width:0;max-height:0;max-width:0;overflow:hidden;font-size:0em;padding:0;margin:0">​</div></div></div><br><div class="gmail_quote"><div dir="ltr">On Fri, Jun 23, 2017 at 1:55 AM K O ranjith <<a href="mailto:kor1581@gmail.com">kor1581@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I'm using vtk for developing a MRI DICOM Image viewer in Qt.<div>The viewer uses <span style="color:rgb(128,0,128)">vtkDICOMImageReader,  </span><span style="color:rgb(128,0,128)">vtkImageViewer2 & </span><span style="color:rgb(128,0,128)">QVTKWidget.</span></div><div><span style="color:rgb(128,0,128)">I need to show a zoom indicator line which varies </span><span style="color:rgb(128,0,128)">length</span><span style="color:rgb(128,0,128)"> </span><span style="color:rgb(128,0,128)">with zoom value and need not affect other operation like rotate, pan( which is used for DICOM image in same window). It's position should be fixed at side of viewer and should not alter with zoom, pan, rotate.</span></div><div><font color="#800080">I added an line as an vtkactor  to the renderer using vtkLineSource. </font></div><div><font color="#800080"> Its length altering  with zoom as I intended, but problem is its position also altering with the zoom, also rotate and Pan affecting on it.</font></div><div><font color="#800080">How can I make the position of the line fixed at side of the viewer.</font></div><div><font color="#800080">Have any option in vtk for visual indication of zoom factor something like </font><span style="color:rgb(128,0,128)">vtkOrientationMarkerWidget for orientation...</span></div><div><br></div><div><span style="color:rgb(128,0,128)"><br></span></div></div>
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</blockquote></div><div dir="ltr">-- <br></div><div data-smartmail="gmail_signature"><div dir="ltr"><div class="inbox-markdown-here-wrapper" style="font-family:'proza libre',sans-serif;color:rgb(0,56,107)"><h5 id="inbox-sankhesh-jhaveri" style="margin:1.3em 0px 1em;padding:0px;font-size:1.1em;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(238,238,238);font-weight:bold;color:rgb(11,65,148)">Sankhesh Jhaveri</h5>
<h6 id="inbox--sr-research-development-engineer-kitware-http-www-kitware-com-518-881-4417" style="margin:1.3em 0px 1em;padding:0px;font-size:1em;color:rgb(11,83,148);font-family:'open sans',sans-serif;font-weight:normal"><em>Sr. Research & Development Engineer</em> | <a href="http://www.kitware.com/">Kitware</a> | (518) 881-4417</h6>
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