Shuhao, Unfortunately, the tooltips for the clip function parameters do not appear to be working (I filed bug https://gitlab.kitware.com/paraview/paraview/issues/17593 describing the problem).
It turns out the properties for the Box clip type are defined in a way that is a bit trickier than I thought. They are relative to the bounding box of the input data: * Position - center of the box function relative to the center of the input dataset bounding box * Rotation - Eulerian angles about the X, Y, and Z axes describing the rotation of the bounding box * Scale - non-uniform scale factor applied in x, y, and z relative to the input dataset bounding box Given how these items are defined, it will actually really be a pain to compute the properties for an arbitrary x-, y-, and z-range. The way you described earlier with a cascade of Calculator and Threshold filters will work. Another way would be to use a single Python Calculator with the expression numpy.all((xmin <= inputs[0].Points[:,0], inputs[0].Points[:,0] <= xmax, ymin <= inputs[0].Points[:,1], inputs[0].Points[:,1] <= ymax, zmin <= inputs[0].Points[:,2], inputs[0].Points[:,2] <= zmax), axis=0).astype('int') and then Threshold by the result, which will be 0 outside [xmin, xmax, ymin, ymax, zmin, zmax] and 1 inside it. Thanks, Cory On Fri, Jul 7, 2017 at 10:51 AM, Shuhao Wu <shu...@shuhaowu.com> wrote: > Is there documentation on how the Box clip type work? I'm not quite sure how > to do the math to convert the threshold values to the position/scale values. > > Thanks, > Shuhao > > > On 2017-07-03 10:03 AM, Cory Quammen wrote: >> >> On Tue, Jun 20, 2017 at 9:33 PM, Shuhao Wu <shu...@shuhaowu.com> wrote: >> >>> Hello Cory, >>> >>> I've been playing around a little bit more and followed your suggestion >>> with using the calculator to "expose" the transformed coordinates. >>> However, >>> my understanding is that this Calculator will duplicate the memory usage >>> for that coordinate and be an additional step in the filtering process, >>> slowing it down. >> >> >> >> Yes, that's true unfortunately. By the way, if you need X, Y, and Z, you >> can use one Calculator filter to produce all three with the expression >> >> iHat*coordsX + jHat*coordsY + kHat*coordsZ >> >> This produces a 3-component array - you can then color your isosurface by >> just one of the components or by the magnitude. >> >> I have to use the Calculator filter to expose all 3 coordinates before >>> >>> using a threshold to filter for only a subset region that I want to plt, >>> which results in a filtering chain as follows: >>> >>> ExposeX (Calculator) -> ExposeY (Calculator) -> ExposeZ (Calculator) -> >>> ThresholdX (Threshold) -> ThresholdY (Threshold) -> ThresholdZ >>> (Threshold). >> >> >> >>> >> This is 6 filters, which is very slow with my data set (>29M nodes in a >>> >>> rectlinear grid). Is there a way to speed this up? >>> >>> >> You could instead use a Clip filter with Clip Type set to Box. You have to >> do a little math to convert from your threshold values to the box Scale >> and >> Position properties, but it shouldn't be too bad, and will make your >> pipeline simpler and faster. >> >> Cory >> >> >>> Thanks, >>> Shuhao >>> >>> >>> On 2017-06-07 03:29 PM, Cory Quammen wrote: >>> >>>> Shuhao, >>>> >>>> Welcome to ParaView! >>>> >>>> On Sun, Jun 4, 2017 at 6:33 PM, Shuhao Wu <shu...@shuhaowu.com> wrote: >>>> >>>>> Hello all, >>>>> >>>>> Is there a way to color an isocontour via the coordinates outputted >>>>> from >>>>> a >>>>> Transform filter? I'm using the Transform filter to "normalize" my >>>>> coordinate systems and I want to display the isocontour colored by the >>>>> normalized Y coordinates. Do I have to create yet another Calculator >>>>> filter >>>>> to recalculate the normalized Y value that is already calculated by the >>>>> Transform filter? >>>>> >>>> >>>> There is currently no direct way to color surfaces by coordinate >>>> value. You can, however, add a Calculator after the Transform filter >>>> and simply set the expression to coordsY - no recomputation of the >>>> normalization is needed. This will copy your normalized Y coordinate >>>> values to a new array named "Result", and you can then color the >>>> isosurface by "Result". "Result" is just the default name - you can >>>> change it however you wish. >>>> >>>> Also: is there a way to turn off one axis on the axis grid (so turn off >>>>> >>>>> the >>>>> Y axis display and leave only X and Z)? >>>>> >>>> >>>> Click the Edit button next to the Axes Grid option. Click the gear >>>> icon in the top right of the dialog that appears. Under Face >>>> Properties, click on the "Faces to Render" combo box. Turn off the >>>> sides you do not wish to see by selecting them in the combo box. >>>> >>>> What about changing the interval on >>>>> >>>>> the axis itself (instead of incrementing by 100 as it chooses, >>>>> increment >>>>> by >>>>> 250). >>>>> >>>> >>>> In the same dialog described above, check the "X Axis Use Custom >>>> Labels", and you can specify exactly the labels you want. There is no >>>> property to directly change the increment. >>>> >>>> Best, >>>> Cory >>>> >>>> I'm pretty new to Paraview (coming from Tecplot). Please bear with me as >>>> I >>>>> >>>>> likely will have more question. >>>>> >>>>> Thanks, >>>>> Shuhao >>>>> _______________________________________________ >>>>> 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 >>>>> >>>>> Search the list archives at: http://markmail.org/search/?q=ParaView >>>>> >>>>> Follow this link to subscribe/unsubscribe: >>>>> http://public.kitware.com/mailman/listinfo/paraview >>>>> >>>> >>>> >>>> >>>> >> >> > -- Cory Quammen Staff R&D Engineer Kitware, Inc. _______________________________________________ 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 Search the list archives at: http://markmail.org/search/?q=ParaView Follow this link to subscribe/unsubscribe: http://public.kitware.com/mailman/listinfo/paraview