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
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