[vtkusers] glyphs and hedgehogs

[berk.geveci at kitware.com]

	Jim,

	There is a much better way. Use vtkGlyphSource2D.
	(You need to get a nightly release, this is not in
	vtk 3.1.2). Here is a bit from something I am doing:

  vtkGlyphSource2D* arrow = vtkGlyphSource2D::New();
  arrow->SetGlyphTypeToArrow();
  arrow->SetScale(0.2);
  arrow->FilledOff();
 
// Glyph the gradient vector
  vtkGlyph3D* glyph = vtkGlyph3D::New();
  glyph->SetInput(fd2ad->GetOutput());
  glyph->SetSource(arrow->GetOutput());
  glyph->ScalingOff();
  glyph->OrientOn();
  glyph->SetVectorModeToUseVector();
  glyph->SetColorModeToColorByVector();

	Berk

On Tue, 12 Dec 2000 harsh at lanl.gov wrote:

> 
> Hi,
> 
> I'd like to draw arrows to represent a vector field. I can draw a cone at the
> data point, the size or color representing the vector size; or I can draw a
> hedgehog, whose length represents the size of the vector; or I can do both and
> have a cone with a line protuding from the tip of the cone. HOw can I draw the
> cone at the end of the hedghog to get an arrow?
> 
> Thanks,
> Jim 
> 
> 
> 
> 
> ---------------------------------------------
> Jim Harsh  E-Mail: harsh at lanl.gov
> Los Alamos National Laboratory, MS P940
> Los Alamos, NM 87545
> 505-665-0485, FAX - 505-665-3359
> Date: 12-Dec-2000,Time: 15:50:21
> ---------------------------------------------
> 
> _______________________________________________
> This is the private VTK discussion list. 
> Please keep messages on-topic. Check the FAQ at: <http://public.kitware.com/cgi-bin/vtkfaq>
> Follow this link to subscribe/unsubscribe:
> http://public.kitware.com/mailman/listinfo/vtkusers
>