If this is a regular, cartesian grid, you can use image data. If rectilinear, use rectilinear grid. If this is curvilinear grid, you can use structured grid. Otherwise, you have to create cells somehow.
-berk On Tue, Jan 20, 2009 at 10:17 PM, Mare Libero <marelibe...@yahoo.com> wrote: > Hi, > > I am new to Paraview and I hope some of you can help me. I am trying to > visualize an isosurface. I used to work with Matlab where I would input the > data in 4D in the format: <X> <Y> <Z> <Intensity> > To use Paraview, I generated a dataset in VTK format as an unstructured grid > with no cells. The Intensities are associated to the corners of the cells as > follow: > > # vtk DataFile Version 3.1 > > Volume > > ASCII > > DATASET UNSTRUCTURED_GRID > > POINTS 197173 FLOAT > > 1 1 1 > > 1 1 6 > > 1 1 11 > > .... > ... > > POINT_DATA 197173 > > SCALARS Intensities float > > LOOKUP_TABLE default > > 20799.3681311062 > > 20803.8373905225 > > 20806.6752675851 > > ... > > ... > > When I open this file, Paraview correctly identifies minimum and maximum > values and the number of points. But I can't manage to visualize the > contours. > > Any suggestion? Do I need to generate CELLS data to draw isosurfaces? Can > Paraview generate an isosurface solely from POINTS data? Thanks in advance. > > A > > > > > _______________________________________________ > ParaView mailing list > ParaView@paraview.org > http://www.paraview.org/mailman/listinfo/paraview > > _______________________________________________ ParaView mailing list ParaView@paraview.org http://www.paraview.org/mailman/listinfo/paraview