Hi Mikhail,
I need to get more information about your problem. Can you share your dataset or screenshot? .pvsm state files are more suitable. Magician On May 24, 2014, at 5:33, Mikhail Artemyev <artemiev.mikh...@gmail.com> wrote: > Dear Magician, > > Thank you for the explanation and for the hint! > The only issue is that the last step of your algorithm > 3. apply Resample With Dataset filter, > not always gives the desired result. > I was able to get the same representation like you showed, but > it was an accidental choice of several Resample With Dataset filters, > and I couldn't repeat it again. My impression is that I have to apply > this filter several times to different sources. Am I right? > > Thank you. > > Best regards, > Mikhail > > > On 05/17/2014 12:00 AM, Magician wrote: >> Hi Mikhail, >> >> >> Yes, that’s because of the triangulation (or tesselation) of surface >> representations. >> Most of the 3D programs including ParaView draw objects as groups of >> triangles. >> That’s depends on today’s 3D rendering pipelines such as OpenGL, DirectX, >> etc. >> Please googling the keywords: ‘vertex shading’ >> >> Even though you read your data as structured grid with point values, >> ParaView should immediately triangulate all of the rectangles, and >> interpolating >> the values between points of the triangles. >> >> # If you visualize cell values, there are no problem caused by interpolating. >> >> The attached image is one of the solution. >> 1. read your data >> 2. make a ‘fine resolution' Plane source with same size to the original (for >> example, 200x100 structured grid) >> 3. apply Resample With Dataset filter >> The result looks nearly-symmetric for me. >> >> >> Magician >> >> >> On May 17, 2014, at 10:40, paraview-requ...@paraview.org wrote: >> >>> Date: Fri, 16 May 2014 20:40:18 -0500 >>> From: Mikhail Artemyev <artemiev.mikh...@gmail.com> >>> To: paraview@paraview.org >>> Subject: [Paraview] non-symmetric representation of symmetric field >>> Message-ID: <5376be02.7050...@gmail.com> >>> Content-Type: text/plain; charset="iso-8859-1"; Format="flowed" >>> >>> Dear all, >>> >>> Here is a minimal example of values distributed over a mesh: >>> >>> 0------0------0------0------0 >>> | | | | | >>> 0----0.5---0.75---0.5-----0 >>> | | | | | >>> 0------0------1------0------0 >>> >>> To visualize this field I wrote a .vts file: >>> >>> <?xml version="1.0"?> >>> <VTKFile type="StructuredGrid" version="0.1" byte_order="LittleEndian"> >>> <StructuredGrid WholeExtent="1 5 1 3 1 1"> >>> <Piece Extent="1 5 1 3 1 1"> >>> <PointData Scalars="scalars"> >>> <DataArray type="Float64" Name="sol_" format="ascii"> >>> 0 0 1 0 0 0 0.5 0.75 0.5 0 0 0 0 0 0 >>> </DataArray> >>> </PointData> >>> <Points> >>> <DataArray type="Float64" NumberOfComponents="3" format="ascii"> >>> 0 0 0 >>> 1 0 0 >>> 2 0 0 >>> 3 0 0 >>> 4 0 0 >>> 0 1 0 >>> 1 1 0 >>> 2 1 0 >>> 3 1 0 >>> 4 1 0 >>> 0 2 0 >>> 1 2 0 >>> 2 2 0 >>> 3 2 0 >>> 4 2 0 >>> </DataArray> >>> </Points> >>> </Piece> >>> </StructuredGrid> >>> </VTKFile> >>> >>> The visual representation of this field, however, doesn't look symmetric >>> (a figure is attached), >>> although the values are symmetric with respect to a Y-axis crossing the >>> center of the domain. >>> >>> Could you please shed some light on where I am wrong - >>> in my understanding of visualization technique, or in a way I pass the >>> data to ParaView? >>> I use ParaView 4.1.0 64-bit, Linux. >>> >>> Thank you. >>> Best regards, >>> Mikhail
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