use of org.vcell.vis.chombo.ChomboBoundaries.MeshMetrics in project vcell by virtualcell.
the class ChomboFileReader method readMesh.
private static ChomboMeshData readMesh(String meshFileName, String vol0FileName) throws Exception {
ChomboMesh chomboMesh = new ChomboMesh();
if (H5.H5open() < 0) {
throw new Exception("H5.H5open() failed");
}
FileFormat fileFormat = FileFormat.getFileFormat(FileFormat.FILE_TYPE_HDF5);
if (fileFormat == null) {
throw new Exception("FileFormat.getFileFormat(FileFormat.FILE_TYPE_HDF5) failed, returned null.");
}
FileFormat meshFile = fileFormat.createInstance(new File(meshFileName).getAbsolutePath(), FileFormat.READ);
try {
meshFile.open();
DefaultMutableTreeNode meshRootNode = (DefaultMutableTreeNode) meshFile.getRootNode();
Group meshRootGroup = (Group) meshRootNode.getUserObject();
Group meshGroup = Hdf5Reader.getChildGroup(meshRootGroup, "mesh");
chomboMesh.setDimension(Hdf5Reader.getIntAttribute(meshGroup, MESH_ATTR_DIMENSION));
chomboMesh.setExtent(Hdf5Reader.getVect3DAttribute(meshGroup, MESH_ATTR_EXTENT, 1.0));
chomboMesh.setOrigin(Hdf5Reader.getVect3DAttribute(meshGroup, MESH_ATTR_ORIGIN, 0.0));
// it's very wasteful here, but what can I do?
CartesianMeshChombo cartesianMeshChombo = CartesianMeshChombo.readMeshFile(new File(meshFileName));
for (FeaturePhaseVol fpv : cartesianMeshChombo.getFeaturePhaseVols()) {
chomboMesh.addFeaturePhase(fpv.feature, fpv.iphase);
}
// Hdf5Reader.DataColumn[] metricsColumns = Hdf5Reader.getDataTable(meshGroup,METRICS_DATASET);
if (chomboMesh.getDimension() == 2) {
Hdf5Reader.DataColumn[] segmentColumns = Hdf5Reader.getDataTable(meshGroup, "segments");
Hdf5Reader.DataColumn[] verticesColumns = Hdf5Reader.getDataTable(meshGroup, "vertices");
ChomboBoundaries boundaries = chomboMesh.getBoundaries();
int numVertices = verticesColumns[0].getNumRows();
int numSegments = segmentColumns[0].getNumRows();
for (int i = 0; i < numVertices; i++) {
double x = verticesColumns[0].getValue(i);
double y = verticesColumns[1].getValue(i);
double z = 0.0;
boundaries.addPoint(new ChomboBoundaries.Point(x, y, z));
}
for (int i = 0; i < numSegments; i++) {
int v1 = (int) segmentColumns[1].getValue(i);
int v2 = (int) segmentColumns[2].getValue(i);
// THIS COULD BE WRONG - is the chomboIndex one-to-one with the line segments? ... if not should be in the HDF5 file.
int chomboIndex = i;
boundaries.addSegment(new ChomboBoundaries.Segment(chomboIndex, v1, v2));
}
} else if (chomboMesh.getDimension() == 3) {
Hdf5Reader.DataColumn[] surfaceTriangleColumns = Hdf5Reader.getDataTable(meshGroup, "surface triangles");
ChomboBoundaries boundaries = chomboMesh.getBoundaries();
int numTriangles = surfaceTriangleColumns[0].getNumRows();
for (int row = 0; row < numTriangles; row++) {
int index = (int) surfaceTriangleColumns[0].getValue(row);
int faceNumber = (int) surfaceTriangleColumns[1].getValue(row);
// not used currently
int neighborIndex = (int) surfaceTriangleColumns[2].getValue(row);
double x0 = surfaceTriangleColumns[3].getValue(row);
double y0 = surfaceTriangleColumns[4].getValue(row);
double z0 = surfaceTriangleColumns[5].getValue(row);
int p0_index = boundaries.getOrCreatePoint(x0, y0, z0);
double x1 = surfaceTriangleColumns[6].getValue(row);
double y1 = surfaceTriangleColumns[7].getValue(row);
double z1 = surfaceTriangleColumns[8].getValue(row);
int p1_index = boundaries.getOrCreatePoint(x1, y1, z1);
double x2 = surfaceTriangleColumns[9].getValue(row);
double y2 = surfaceTriangleColumns[10].getValue(row);
double z2 = surfaceTriangleColumns[11].getValue(row);
int p2_index = boundaries.getOrCreatePoint(x2, y2, z2);
Face face = Face.fromInteger(faceNumber);
SurfaceTriangle surfaceTriangle = new SurfaceTriangle(index, face, p0_index, p1_index, p2_index);
boundaries.addSurfaceTriangle(surfaceTriangle);
}
Hdf5Reader.DataColumn[] metricsColumns = Hdf5Reader.getDataTable(meshGroup, "membrane elements");
MeshMetrics meshMetrics = boundaries.getMeshMetrics();
int numMeshMetrics = metricsColumns[0].getNumRows();
for (int row = 0; row < numMeshMetrics; row++) {
int index = (int) metricsColumns[0].getValue(row);
int level = (int) metricsColumns[1].getValue(row);
// not used currently
int i = (int) metricsColumns[2].getValue(row);
// not used currently
int j = (int) metricsColumns[3].getValue(row);
// not used currently
int k = (int) metricsColumns[4].getValue(row);
double x = metricsColumns[5].getValue(row);
double y = metricsColumns[6].getValue(row);
double z = metricsColumns[7].getValue(row);
Vect3D center = new Vect3D(x, y, z);
double normalX = metricsColumns[8].getValue(row);
double normalY = metricsColumns[9].getValue(row);
double normalZ = metricsColumns[10].getValue(row);
Vect3D normal = new Vect3D(normalX, normalY, normalZ);
double volumeFraction = metricsColumns[11].getValue(row);
double areaFraction = metricsColumns[12].getValue(row);
int membraneId = (int) metricsColumns[13].getValue(row);
int cornerPhaseMask = (int) metricsColumns[14].getValue(row);
BorderCellInfo borderCellInfo = new BorderCellInfo(index, level, i, j, k, center, normal, volumeFraction, areaFraction, membraneId, cornerPhaseMask);
meshMetrics.addBorderCellInfo(borderCellInfo);
}
} else {
throw new Exception("failed to read chombo file, unexpected mesh dimension " + chomboMesh.getDimension());
}
} finally {
meshFile.close();
}
FileFormat vol0File = fileFormat.createInstance(new File(vol0FileName).getAbsolutePath(), FileFormat.READ);
try {
vol0File.open();
DefaultMutableTreeNode rootNode = (DefaultMutableTreeNode) vol0File.getRootNode();
Group rootGroup = (Group) rootNode.getUserObject();
Group level0Group = Hdf5Reader.getChildGroup(rootGroup, "level_0");
double time = Hdf5Reader.getDoubleAttribute(level0Group, "time");
ChomboMeshData chomboMeshData = new ChomboMeshData(chomboMesh, time);
int numComponents = Hdf5Reader.getIntAttribute(rootGroup, "num_components");
int numLevels = Hdf5Reader.getIntAttribute(rootGroup, "num_levels");
int fractionComponentIndex = -1;
for (int i = 0; i < numComponents; i++) {
String compName = Hdf5Reader.getStringAttribute(rootGroup, "component_" + i);
chomboMeshData.addComponentName(compName);
if (compName.equals("fraction-0")) {
fractionComponentIndex = i;
chomboMeshData.setFraction0ComponentIndex(fractionComponentIndex);
}
}
for (int i = 0; i < numLevels; i++) {
Group levelGroup = Hdf5Reader.getChildGroup(rootGroup, "level_" + i);
int refinement = 2;
if (i == 0) {
refinement = 1;
}
ChomboLevel chomboLevel = new ChomboLevel(chomboMesh, i, refinement);
Hdf5Reader.DataColumn[] boxColumns = Hdf5Reader.getDataTable(levelGroup, "boxes");
int[] lo_i, lo_j, lo_k, hi_i, hi_j, hi_k;
if (chomboMesh.getDimension() == 2) {
lo_i = ((Hdf5Reader.IntColumn) boxColumns[0]).data;
lo_j = ((Hdf5Reader.IntColumn) boxColumns[1]).data;
hi_i = ((Hdf5Reader.IntColumn) boxColumns[2]).data;
hi_j = ((Hdf5Reader.IntColumn) boxColumns[3]).data;
lo_k = new int[boxColumns[0].getNumRows()];
hi_k = new int[boxColumns[0].getNumRows()];
} else {
lo_i = ((Hdf5Reader.IntColumn) boxColumns[0]).data;
lo_j = ((Hdf5Reader.IntColumn) boxColumns[1]).data;
lo_k = ((Hdf5Reader.IntColumn) boxColumns[2]).data;
hi_i = ((Hdf5Reader.IntColumn) boxColumns[3]).data;
hi_j = ((Hdf5Reader.IntColumn) boxColumns[4]).data;
hi_k = ((Hdf5Reader.IntColumn) boxColumns[5]).data;
}
for (int b = 0; b < boxColumns[0].getNumRows(); b++) {
ChomboBox chomboBox = new ChomboBox(chomboLevel, lo_i[b], hi_i[b], lo_j[b], hi_j[b], lo_k[b], hi_k[b], chomboMesh.getDimension());
chomboLevel.addBox(chomboBox);
}
chomboMesh.addLevel(chomboLevel);
//
// read the variables
//
Hdf5Reader.DataColumn[] data = Hdf5Reader.getDataTable(levelGroup, "data:datatype=0");
Hdf5Reader.DataColumn[] offsets = Hdf5Reader.getDataTable(levelGroup, "data:offsets=0");
ChomboLevelData chomboLevelData = new ChomboLevelData(i, fractionComponentIndex, ((Hdf5Reader.DoubleColumn) data[0]).data, ((Hdf5Reader.LongColumn) offsets[0]).data);
chomboMeshData.addLevelData(chomboLevelData);
}
readMembraneVarData(chomboMeshData, rootGroup);
return chomboMeshData;
} finally {
vol0File.close();
}
}
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