Neil, You can do it with the “Find Data” selection mechanism (Section 6.3 of the ParaView Guide). Open the Find Data dialog and make a selection of where the block id field “is one of” a comma separated list of block ids you want. When you run the selection query, you should see the cells of those blocks outlined. Then hit the extract selection button that will add a threshold-like filter that will extract those selected blocks.
-Ken From: ParaView <paraview-boun...@paraview.org> on behalf of "Carlson, Neil" <n...@lanl.gov> Date: Thursday, April 21, 2016 at 9:01 AM To: Walter Scott <wasc...@sandia.gov>, "paraview@paraview.org" <paraview@paraview.org> Subject: Re: [Paraview] [EXTERNAL] Extracting cells by label Sort of, but not exactly. Threshold would allow me to remove blocks below a min value and above a max value. But what I want is to be able to select (via a checkbox list, for example) exactly which blocks I want to see, not limited to those in a range. And to reiterate, "block n" consists of all cells with value n in a cell-centered data field. ________________________________ From: Scott, W Alan [wasc...@sandia.gov] Sent: Wednesday, April 20, 2016 5:00 PM To: Carlson, Neil; paraview@paraview.org Subject: RE: [EXTERNAL] [Paraview] Extracting cells by label You mean like the threshold filter? Threshold out those blocks you don’t want… Alan From: ParaView [mailto:paraview-boun...@paraview.org] On Behalf Of Carlson, Neil Sent: Wednesday, April 20, 2016 4:13 PM To: paraview@paraview.org Subject: [EXTERNAL] [Paraview] Extracting cells by label I have a grid (unstructured and not multi-block) and a cell-centered data field on the grid. The field has integer values that serve to group the cells into conceptual blocks: cells with value 1 form block 1, and so forth. Is there some filter that can use such data to actually extract blocks in such a way that paraview can control their loading individually, like with the multiblock inspector or the ExtractBlock filter? Thanks, Neil
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