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ENH: output filtering of vtkCloud by user selection (#1056)

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- can filter by stride or field information.
  For example,

      selection
      {
          stride
          {
              // every 10th parcelId
              action  add;
              source  stride;
              stride  10;
          }
          Umin
          {
              // Remove slow parcels
              action  subtract;
              source  field;
              field   U;
              accept  (less 1e-3);
          }
          diam
          {
              // Only particular diameter ranges
              action  subset;
              source  field;
              field   d;
              accept  (greater 1e-3) and (less 1e-3);
          }
      }
This commit is contained in:
Mark Olesen
2018-11-13 22:57:49 +01:00
parent 0d29257a6d
commit 0f48b89185
9 changed files with 832 additions and 24 deletions
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1
tutorials/lagrangian/reactingParcelFoam/filter/system/controlDict
View File

@ -54,6 +54,7 @@ maxDeltaT 1;
functions
{
#include "vtkCloud"
#include "vtkWrite"
}
// ************************************************************************* //

67
tutorials/lagrangian/reactingParcelFoam/filter/system/vtkCloud
View File

@ -6,6 +6,9 @@ cloudWrite
libs ("liblagrangianFunctionObjects.so");
log true;
// Nothing happens before this anyhow
timeStart 0.5;
writeControl writeTime;
// cloud reactingCloud1;
@ -15,16 +18,68 @@ cloudWrite
fields ( U T d "Y.*" );
//- Output format (ascii | binary) - default = binary
// format binary;
// format ascii;
// format ascii;
// writePrecision 12;
// precision 12;
//- Suppress writing of empty clouds - default = false
// prune true;
// Suppress writing of empty clouds - default = false
prune true;
//- Output directory name - default = "VTK"
//- Output directory name - Default postProcessing
// directory "VTK";
selection
{
all
{
action all;
}
none
{
action clear;
}
// Reduced number of output parcels
stride
{
action add;
source stride;
stride 4;
}
T
{
action subset;
source field;
field T;
accept (greater 280) and (less 300);
}
YH2O
{
action subset;
source field;
field YH2O(l);
accept (greater 0.5);
}
diameter
{
action subset;
source field;
field d;
accept (greater 1e-10);
}
Umin
{
action subtract;
source field;
field U;
accept (less 0.1);
}
}
}

35
tutorials/lagrangian/reactingParcelFoam/filter/system/vtkWrite Normal file
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@ -0,0 +1,35 @@
// -*- C++ -*-
// Minimal example of using the vtkWrite function object.
vtkWrite
{
type vtkWrite;
libs ("libutilityFunctionObjects.so");
log true;
// Nothing happens before this anyhow
timeStart 0.4;
writeControl writeTime;
boundary false;
interpolate true;
fields (U);
// format ascii;
// Region of interest
selection
{
inletRegion
{
action add;
source zone;
zones (leftFluid);
}
}
// Write cell ids as field - Default=true
writeIds false;
}
// ************************************************************************* //