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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
Bill Hibbard wrote:
Did you construct Gridded3DSets with manifold dimension = 1, or just ordinary manifold dimension = 3? You can essentially draw lines in 3-D as Gridded3DSets with manifold dimension = 1. See visad/examples/DelaunayTest.java, particularly lines 209 to 256. Good luck, Bill
Hi Bill,first of all, thank you for the time you spend on my problem. Yes i used a Gridded3DSet with manifold dimension = 1, but what i get is not what i need. To explain you what the problem is, i have attached a very simple 2D example (in 3D it's allways the same). When you look on the picture you can see the grid i have to visualize. These are results from CFD codes (Computational Fluid Dynamic). The circle is (in this example) the geometry that was analyzed in a specific fluid flow )This is the reason why no points are defined within the circle, the flow goes arround the geometry). In this case each quadrilatral is a computing cell, a so called "volume". The connections between the points are given by a connecting list where each quadrilateral is defined by 4 indizes. From this connecting list it is common to create an IndexedArray. So i think this is the easiest way. If there is no easy way to get the scaling from VisAD, could you explain me where VisAD set the scaling? Maybe i can extract the transform with this information. To pass my data into VisAD i rebuild my connecting list, from quadrilateral or hexahedron to triangle or tetrahedron, and create a DelaunayCustom with it. Another question in this context is, are there any limitations in displaying streamlines? As i explained, i am using an Irregular3DSet for my data. A few days ago i played arround with Display.FlowXX and FlowXControl. The vector plot works, but when i switch to streamline nothing happened.
Thanks Olav
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