Hi Felipe, if you are willing to contribute your changes to VTK and the transform filter, I'd be pleased to integrate them.
Thanks, Seb PS: You can send me a formatted patch if you want. On Mon, Nov 19, 2012 at 11:33 AM, Felipe Bordeu <felipe.bor...@ec-nantes.fr>wrote: > Perfect, > > Thanks very much for all the help, I finally succeeded to create the > filter. I can transform my data (for example, expand one dimension ) and > keep the originals labels. > > Thanks again, > Felipe > > Here is a screen-shot: > > > > > Le 18/11/2012 15:48, Sebastien Jourdain a écrit : > > Hi Felipe, > > Lets state what we know. > U,V and W are 3 unit vectors that describe which axis should be used by > the cube axis. > OrientedBounds are 6 values describing the bounds of the data using the > U,V and W vectors. [minU, maxU, minV, maxV, minW, maxW] > > Then to solve your problem you will have to do the following: > > 1) Compute Pmin and Pmax as follow > > Pmin = U.OrientedBounds[0] + V.OrientedBouds[2] + W.OrientedBouds[4] > Pmax = U.OrientedBounds[1] + V.OrientedBouds[3] + W.OrientedBouds[5] > > 2) Apply your transform (Rotation, Scale, Translation) to those 2 points > > You get P'min and P'max > > 3) Apply the rotation ONLY to U,V and W (as translation/scale have no > effect on a unit vector) > > You get U', V' and W' > > 4) You resolve the equations > > P'min = U'.a + V'.b + W'.c > P'max = U'.d + V'.e + W'.f > > And then you get OrientedBounds' = [a,d,b,e,c,f] > > And you're done... Do you need anything more ? > > Seb > > > On Fri, Nov 16, 2012 at 6:27 PM, Felipe Bordeu Weldt < > felipe.bor...@ec-nantes.fr> wrote: > >> Ok, >> >> My idea is simple (http://www.paraview.org/Bug/view.php?id=13583). >> We visualizes data with non convectional axes, so we put that information >> (name and units) in the labels. Also we want to be able to use the >> transformation filter to modified the meshes, and we want the axis and >> labels to follow the transformation. So I'm writing a filter >> (vtkTransformWithAxis) that apply the transform to the mesh and to all the >> data that is used for the cube axis. >> >> But I'm not able create correctly the OrientedBoundingBox and the three >> vectors to generate the Non Orthogonal Bounding Box. >> >> So if the input does not have all the data for the axis, it will >> generate the data (vector, OriendedBoundigBox... and so on ) , and then >> apply the transformation filter. >> >> Is that clearer? >> >> Thanks for you time so far. >> Felipe >> >> Le 16 nov. 12 à 19:33, Sebastien Jourdain a écrit : >> >> Hi Felipe, >> >> could you rephrase your question, as I'm not sure to follow you >> anymore. Specially what are the piece of informations that are still >> missing to you. >> >> Thanks, >> >> Seb >> >> >> On Fri, Nov 16, 2012 at 1:13 PM, Felipe Bordeu >> <felipebor...@gmail.com>wrote: >> >>> I have no problem with the use custom range. >>> >>> My problem is than I use a home made transform filter to transform my >>> data, our data is sometimes degenerated (one axis is very very small), so >>> we use the transform filter to increase the size of that dimensions. But >>> the problems is that the cube axes does not have the good units any more ( >>> so we want to keep the labels of the input by applying the same transform) >>> >>> Until now I can apply only translation and scale, not rotation. >>> >>> note: in the images the little arrow is the original one. >>> >>> <bhfgfhca.png> >>> <ddgjfefc.png> >>> >>> >>> Felipe >>> >>> Le 16/11/2012 17:47, Sebastien Jourdain a écrit : >>> >>> Oops, >>> >>> the "Use Custom Range" will use the text field property but this will >>> add extra information so when you use the QuadView, the QuadView will be >>> able to know what the slices origin is regarding those arbitrary bounds. >>> >>> Hope that makes a little bit more sense, >>> >>> Seb >>> >>> >>> On Fri, Nov 16, 2012 at 11:42 AM, Sebastien Jourdain < >>> sebastien.jourd...@kitware.com> wrote: >>> >>>> Hi Felipe, >>>> >>>> if you check "Use Custom Range" the cube axis will use the oriented >>>> bounds correctly for the labels instead of using the world space coordinate >>>> bounds. >>>> This happen by adding new field data providing the min/max for each >>>> axis that should be used for the labels. >>>> >>>> Regarding you question the end points of the cube axes will be >>>> >>>> Pmin = U*OrientedBounds[0] + V*OrientedBouds[2] + W*OrientedBouds[4] >>>> ... >>>> Pmax = U*OrientedBounds[1] + V*OrientedBouds[3] + W*OrientedBouds[5] >>>> >>>> Hope that help, >>>> >>>> Seb >>>> >>>> >>>> >>>> On Fri, Nov 16, 2012 at 10:02 AM, Felipe Bordeu < >>>> felipe.bor...@ec-nantes.fr> wrote: >>>> >>>>> Hi, >>>>> >>>>> I am trying to understand how the new annotation for the cube axis >>>>> works. >>>>> >>>>> I don't understand how to define the OrientedBoundingBox FieldData >>>>> variable. (I understand the c++ part, that’s easy ;) ) >>>>> (I'm working with a c++ reader plugin). >>>>> >>>>> What is the relation between the Oriented Bound and the scale and the >>>>> position of the axis. >>>>> <mime-attachment.png> >>>>> >>>>> Thanks >>>>> >>>>> Felipe >>>>> >>>>> >>>>> >>>>> ps: Paraview 3.98.0-RC2 git version, kubuntu 12.04 64. >>>>> >>>>> -- >>>>> >>>>> Felipe Bordeu Weldt >>>>> Ingénieur de Recherche >>>>> ------------------------------------- >>>>> Tél. : 33 (0)2 40 37 16 57 >>>>> Fax. : 33 (0)2 40 74 74 06felipe.bor...@ec-nantes.fr >>>>> Institut GeM - UMR CNRS 6183 >>>>> École Centrale Nantes >>>>> 1 Rue de La Noë, 44321 Nantes, FRANCE >>>>> ------------------------------------- >>>>> >>>>> >>>>> _______________________________________________ >>>>> Powered by www.kitware.com >>>>> >>>>> Visit other Kitware open-source projects at >>>>> http://www.kitware.com/opensource/opensource.html >>>>> >>>>> Please keep messages on-topic and check the ParaView Wiki at: >>>>> http://paraview.org/Wiki/ParaView >>>>> >>>>> Follow this link to subscribe/unsubscribe: >>>>> http://www.paraview.org/mailman/listinfo/paraview >>>>> >>>>> >>>> >>> >>> >>> -- >>> Felipe Bordeu Weldt >>> Felipe Bordeu Weldt >>> Ingénieur de Recherche >>> ------------------------------------- >>> Tél. : 33 (0)2 40 37 16 57 >>> Fax. : 33 (0)2 40 74 74 06 >>> felipe.bor...@ec-nantes.fr >>> Institut GeM - UMR CNRS 6183 >>> École Centrale Nantes >>> 1 Rue de La Noë, 44321 Nantes, FRANCE >>> ------------------------------------- >>> >>> >> >> >> _______________________________________________ >> Powered by www.kitware.com >> >> Visit other Kitware open-source projects at >> http://www.kitware.com/opensource/opensource.html >> >> Please keep messages on-topic and check the ParaView Wiki at: >> http://paraview.org/Wiki/ParaView >> >> Follow this link to subscribe/unsubscribe: >> http://www.paraview.org/mailman/listinfo/paraview >> >> > > > -- > > Felipe Bordeu Weldt > Ingénieur de Recherche > ------------------------------------- > Tél. : 33 (0)2 40 37 16 57 > Fax. : 33 (0)2 40 74 74 06felipe.bor...@ec-nantes.fr > Institut GeM - UMR CNRS 6183 > École Centrale Nantes > 1 Rue de La Noë, 44321 Nantes, FRANCE > ------------------------------------- > > > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the ParaView Wiki at: > http://paraview.org/Wiki/ParaView > > Follow this link to subscribe/unsubscribe: > http://www.paraview.org/mailman/listinfo/paraview > >
<<beeeabfc.png>>
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