Hi Dennis, Calculator filter did the trick. I created Loc using vector array coords. Then I have no problem finding the points using Find Data by specifying certain Loc.
Thanks for the help. Best, Yifei On Wed, Sep 13, 2017 at 10:03 AM, Dennis Conklin < dennis_conk...@goodyear.com> wrote: > Yifei, > > > > I don’t know anything about vtu files – I don’t see any array of > “Position”. > > > > However, perhaps you can use vector array coords – this is Paraviews > internal array of point positions. You could use this to create Loc after > you read your file into Paraview – your filesize would not increase, > although you would use some memory for the duplicate of coords (I assume > running Calculator does a deep copy, anyone able to correct me) > > > > So, read in file, run calculator on it – add Point Data Array Name of Loc > – from the Vectors dropdown add coords to expression. Now you will have a > vector called Loc and my earlier queries will work. > > > > I could not get the queries to work directly with the coords vector array > – maybe someone else knows how to do that. > > > > Dennis > > > > *From:* Yifei Ma [mailto:yifei85...@gmail.com] > *Sent:* Wednesday, September 13, 2017 12:32 PM > *To:* Dennis Conklin <dennis_conk...@goodyear.com> > *Cc:* Paraview (paraview@paraview.org) <paraview@paraview.org> > *Subject:* [EXT] Re: [Paraview] Select points based on coordinates > > > > *WARNING - External email; exercise caution.* > > > > Hi Dennis, > > > > Sorry that I wasn't clear about the data file. The "Loc" DataArray is not > included in the original data. I simply copy&paste the "Position" DataArray > and re-named it "Loc" in order to find data based on its location. This is > a workaround and it works just fine for small data files. However, my > original data is quit huge and I have to do the copy&paste for thousands of > files to make the workaround work. Also file size will be increased > significantly by using this method. Since the "Position" information is > already included in each data file. I am wondering if there is a way to > access it in "Find Data". If so, I don't need to replicate it to create > "Loc". > > > > Thanks, > > Yifei > > > > On Wed, Sep 13, 2017 at 7:57 AM, Dennis Conklin < > dennis_conk...@goodyear.com> wrote: > > Yifei, > > > > I don’t understand the issue. > > I DL’ed your file and proceeded as follows > > Edit/Settings/General/Auto Convert Properties checked (On) > > > > Find Data > > Find POINTS in test_data.vtu > > Loc(0) is >= 0.009 > > Run Selection Query > > Extract Selection > > > > This correctly extracted the 1 point met that requirement > > > > If I change to a query of > > (Loc[:,0] >= .008) & (Loc[:,1] >= -.0004) then it correctly selects the > single point that meets that criteria. > > > > Perhaps the difficulty is because you haven’t set Auto Convert Properties > > > > Hope this helps. > > Dennis > > > _______________________________________________ > Powered by www.kitware.com > <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.kitware.com&data=01%7C01%7Cdennis_conklin%40goodyear.com%7C51fc8cfd504d4775bf5708d4fac51963%7C939e896692854a9a9f040887efe8aae0%7C0&sdata=yKnJ8jV%2Bh2UEwoR9aaGP3V3Ne9xuTwnzz3KHXEwQVdM%3D&reserved=0> > > Visit other Kitware open-source projects at http://www.kitware.com/ > opensource/opensource.html > <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.kitware.com%2Fopensource%2Fopensource.html&data=01%7C01%7Cdennis_conklin%40goodyear.com%7C51fc8cfd504d4775bf5708d4fac51963%7C939e896692854a9a9f040887efe8aae0%7C0&sdata=9iWB%2BrTwSfe%2B4HtCNBjecnnkb1hM8%2BFOD4eRqs0Zy6w%3D&reserved=0> > > Please keep messages on-topic and check the ParaView Wiki at: > http://paraview.org/Wiki/ParaView > <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fparaview.org%2FWiki%2FParaView&data=01%7C01%7Cdennis_conklin%40goodyear.com%7C51fc8cfd504d4775bf5708d4fac51963%7C939e896692854a9a9f040887efe8aae0%7C0&sdata=JMax3IOj%2F6zRRMEfb4upCobXQ3NyQEMfucBybgq3wFc%3D&reserved=0> > > Search the list archives at: http://markmail.org/search/?q=ParaView > <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmarkmail.org%2Fsearch%2F%3Fq%3DParaView&data=01%7C01%7Cdennis_conklin%40goodyear.com%7C51fc8cfd504d4775bf5708d4fac51963%7C939e896692854a9a9f040887efe8aae0%7C0&sdata=0QcOAUDIEwwLeaMSnUtBx6qJKJEQMPD5Bhu2ZPLNE6M%3D&reserved=0> > > Follow this link to subscribe/unsubscribe: > http://public.kitware.com/mailman/listinfo/paraview > <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fpublic.kitware.com%2Fmailman%2Flistinfo%2Fparaview&data=01%7C01%7Cdennis_conklin%40goodyear.com%7C51fc8cfd504d4775bf5708d4fac51963%7C939e896692854a9a9f040887efe8aae0%7C0&sdata=3HO1tslxBDYT%2F1IzcxWyhCmuqd1vBgvTdTm8FliHSFw%3D&reserved=0> > > >
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