From 674990765ac5dee40a7877cedb7bdd5a8c29a73b Mon Sep 17 00:00:00 2001
From: mattijs <mattijs>
Date: Thu, 11 Oct 2012 11:04:24 +0100
Subject: [PATCH] ENH: surfaceFeatureExtract: new syntax for non-manifold edges
---
.../surfaceFeatureExtract.C | 28 +++++++++--
.../surfaceFeatureExtractDict | 10 +++-
.../system/surfaceFeatureExtractDict | 48 +++++++++++++++++++
3 files changed, 79 insertions(+), 7 deletions(-)
create mode 100644 tutorials/incompressible/simpleFoam/motorBike/system/surfaceFeatureExtractDict
diff --git a/applications/utilities/surface/surfaceFeatureExtract/surfaceFeatureExtract.C b/applications/utilities/surface/surfaceFeatureExtract/surfaceFeatureExtract.C
index 3a9d667650c..d06e5d03cb8 100644
--- a/applications/utilities/surface/surfaceFeatureExtract/surfaceFeatureExtract.C
+++ b/applications/utilities/surface/surfaceFeatureExtract/surfaceFeatureExtract.C
@@ -721,16 +721,34 @@ int main(int argc, char *argv[])
deleteBox(surf, bb, true, edgeStat);
}
- const Switch manifoldEdges =
- subsetDict.lookupOrDefault<Switch>("manifoldEdges", "no");
+ const Switch nonManifoldEdges =
+ subsetDict.lookupOrDefault<Switch>("nonManifoldEdges", "yes");
- if (manifoldEdges)
+ if (!nonManifoldEdges)
{
- Info<< "Removing all non-manifold edges" << endl;
+ Info<< "Removing all non-manifold edges"
+ << " (edges with > 2 connected faces)" << endl;
forAll(edgeStat, edgeI)
{
- if (surf.edgeFaces()[edgeI].size() != 2)
+ if (surf.edgeFaces()[edgeI].size() > 2)
+ {
+ edgeStat[edgeI] = surfaceFeatures::NONE;
+ }
+ }
+ }
+
+ const Switch openEdges =
+ subsetDict.lookupOrDefault<Switch>("openEdges", "yes");
+
+ if (!openEdges)
+ {
+ Info<< "Removing all open edges"
+ << " (edges with 1 connected face)" << endl;
+
+ forAll(edgeStat, edgeI)
+ {
+ if (surf.edgeFaces()[edgeI].size() == 1)
{
edgeStat[edgeI] = surfaceFeatures::NONE;
}
diff --git a/applications/utilities/surface/surfaceFeatureExtract/surfaceFeatureExtractDict b/applications/utilities/surface/surfaceFeatureExtract/surfaceFeatureExtractDict
index 934d5869a92..6c1eab66e9c 100644
--- a/applications/utilities/surface/surfaceFeatureExtract/surfaceFeatureExtractDict
+++ b/applications/utilities/surface/surfaceFeatureExtract/surfaceFeatureExtractDict
@@ -59,15 +59,21 @@ surface2.nas
{
// Use a plane to select feature edges
// (normal)(basePoint)
+ // Keep only edges that intersect the plane will be included
plane (1 0 0)(0 0 0);
// Select feature edges using a box
// (minPt)(maxPt)
+ // Keep edges inside the box:
insideBox (0 0 0)(1 1 1);
+ // Keep edges outside the box:
outsideBox (0 0 0)(1 1 1);
- // Remove any non-manifold (open or > 2 connected faces) edges
- manifoldEdges no;
+ // Keep nonManifold edges (edges with >2 connected faces)
+ nonManifoldEdges yes;
+
+ // Keep open edges (edges with 1 connected face)
+ openEdges yes;
}
addFeatures
diff --git a/tutorials/incompressible/simpleFoam/motorBike/system/surfaceFeatureExtractDict b/tutorials/incompressible/simpleFoam/motorBike/system/surfaceFeatureExtractDict
new file mode 100644
index 00000000000..fa00f860016
--- /dev/null
+++ b/tutorials/incompressible/simpleFoam/motorBike/system/surfaceFeatureExtractDict
@@ -0,0 +1,48 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| ========= | |
+| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
+| \\ / O peration | Version: dev |
+| \\ / A nd | Web: www.OpenFOAM.org |
+| \\/ M anipulation | |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+ version 2.0;
+ format ascii;
+ class dictionary;
+ object surfaceFeatureExtractDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+motorBike.obj
+{
+ // How to obtain raw features (extractFromFile || extractFromSurface)
+ extractionMethod extractFromSurface;
+
+ extractFromSurfaceCoeffs
+ {
+ // Mark edges whose adjacent surface normals are at an angle less
+ // than includedAngle as features
+ // - 0 : selects no edges
+ // - 180: selects all edges
+ includedAngle 150;
+ }
+
+ subsetFeatures
+ {
+ // Keep nonManifold edges (edges with >2 connected faces)
+ nonManifoldEdges no;
+
+ // Keep open edges (edges with 1 connected face)
+ openEdges yes;
+ }
+
+
+ // Write options
+
+ // Write features to obj format for postprocessing
+ writeObj yes;
+}
+
+
+// ************************************************************************* //
--
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