Utility for unit conversion of surface meshes

utilities/scaleSurfaceMesh/scaleSurfaceMesh.C

@@ -22,7 +22,7 @@ License
     along with cfMesh.  If not, see <http://www.gnu.org/licenses/>.
 
 Description
-    Reads the specified surface and writes it in the fms format.
+    Scales surface vertices by a precribed factor.
 
 \*---------------------------------------------------------------------------*/
 
@@ -32,10 +32,6 @@ Description
 #include "triSurf.H"
 #include "triSurfModifier.H"
 #include "helperFunctions.H"
-#include "demandDrivenData.H"
-#include "coordinateModifier.H"
-#include "checkMeshDict.H"
-#include "surfaceMeshGeometryModification.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 // Main program:
@@ -43,79 +39,31 @@ using namespace Foam;
 
 int main(int argc, char *argv[])
 {
-#   include "setRootCase.H"
-#   include "createTime.H"
-
-    IOdictionary meshDict
-    (
-        IOobject
-        (
-            "meshDict",
-            runTime.system(),
-            runTime,
-            IOobject::MUST_READ,
-            IOobject::NO_WRITE
-        )
-    );
-
-    checkMeshDict cmd(meshDict);
-
-    fileName surfaceFile = meshDict.lookup("surfaceFile");
-    if( Pstream::parRun() )
-        surfaceFile = ".."/surfaceFile;
-
-    triSurf surface(runTime.path()/surfaceFile);
-
-    surfaceMeshGeometryModification gMod(surface, meshDict);
-
-    //- modify points
-    const triSurf* modSurfPtr = gMod.modifyGeometry();
-
-    Info << "Writting modified surface" << endl;
-    modSurfPtr->writeSurface("modifiedSurf.stl");
-
-    # ifdef DEBUGScaling
-    //- apply backward modification
-    Info << "Here" << endl;
-    coordinateModifier cMod(meshDict.subDict("anisotropicSources"));
-    Info << "Starting modifications" << endl;
-    forAll(surface.points(), i)
-    {
-        Info << "\nOrig point " << i << " coordinates " << surface.points()[i]
-             << " modified point " << modSurfPtr->points()[i] << endl;
-        const point p = cMod.backwardModifiedPoint(modSurfPtr->points()[i]);
-
-        if( mag(p - surface.points()[i]) > 1e-14 )
-        {
-            Warning << "Point " << i << " is different "
-                    << p
-                    << " from original " << surface.points()[i]
-                    << " modified point "
-                    << cMod.modifiedPoint(surface.points()[i]) << endl;
-            ::exit(0);
-        }
-    }
-
-    Info << "Backscaling Ok" << endl;
-    ::exit(0);
+    argList::noParallel();
+    argList::validArgs.clear();
+    argList::validArgs.append("input surface file");
+    argList::validArgs.append("output surface file");
+    argList::validArgs.append("scalingFactor");
+    argList args(argc, argv);
+
+    const fileName inFileName(args.args()[1]);
+    const fileName outFileName(args.args()[2]);
+    const scalar scalingFactor(help::textToScalar(args.args()[3]));
+
+    //- read the surface mesh
+    triSurf surface(inFileName);
+    triSurfModifier sMod(surface);
+    pointField& pts = sMod.pointsAccess();
+
+    //- scales the vertices
+    # ifdef USE_OMP
+    # pragma omp parallel for schedule(dynamic, 100)
     # endif
+    forAll(pts, pointI)
+        pts[pointI] *= scalingFactor;
 
-    surfaceMeshGeometryModification bgMod(*modSurfPtr, meshDict);
-    const triSurf* backModSurfPtr = bgMod.revertGeometryModification();
-
-    Info << "Writting backward transformed surface" << endl;
-    backModSurfPtr->writeSurface("backwardModifiedSurf.stl");
-
-    # ifdef DEBUGScaling
-    forAll(backModSurfPtr->points(), pI)
-        if( mag(backModSurfPtr->points()[pI] - surface.points()[pI]) > 1e-14 )
-            Warning << "Point " << pI << " is different "
-                    << backModSurfPtr->points()[pI]
-                    << " from original " << surface.points()[pI] << endl;
-    # endif
-
-    deleteDemandDrivenData(modSurfPtr);
-    deleteDemandDrivenData(backModSurfPtr);
+    //- write the mesh back on disk
+    surface.writeSurface(outFileName);
 
     Info << "End\n" << endl;