Examples with ReaderTokenizer maspack.util.ReaderTokenizer used on opensource projects

Example 16 with ReaderTokenizer

use of maspack.util.ReaderTokenizer in project artisynth_core by artisynth.

the class Main method loadProbesFile.

/**
 * load the probes into the model
 *
 * @param file file containing probe information
 * @throws IOException if an I/O or syntax error occurred
 */
public boolean loadProbesFile(File file) throws IOException {
    if (getWorkspace() == null) {
        return false;
    }
    ReaderTokenizer rtok = ArtisynthIO.newReaderTokenizer(file);
    getWorkspace().scanProbes(rtok);
    rtok.close();
    myProbeFile = file;
    if (myTimeline != null) {
        myTimeline.requestResetAll();
        // ============================================================
        // Check the model zoom level and set the timeline zoom
        // accordingly
        myTimeline.updateTimeDisplay(0);
        myTimeline.updateComponentSizes();
        myTimeline.automaticProbesZoom();
    }
    return true;
}

Example 17 with ReaderTokenizer

use of maspack.util.ReaderTokenizer in project artisynth_core by artisynth.

the class ModelHistory method read.

public void read(File file) throws IOException {
    // read history
    // format: longname "short name" time
    ReaderTokenizer rtok = new ReaderTokenizer(new FileReader(file));
    rtok.commentChar('#');
    rtok.eolIsSignificant(true);
    rtok.wordChar('.');
    rtok.nextToken();
    while (rtok.ttype == ReaderTokenizer.TT_WORD) {
        String longName = rtok.sval;
        String shortName = rtok.scanQuotedString('"');
        long tval = rtok.scanLong();
        String[] args = readToEOL(rtok);
        Date dateTime = new Date(tval);
        update(new ModelInfo(longName, shortName, args), dateTime);
        // read next token
        rtok.nextToken();
    }
    rtok.close();
}

Example 18 with ReaderTokenizer

use of maspack.util.ReaderTokenizer in project artisynth_core by artisynth.

the class TetGenReader method readFaces.

public static PolygonalMesh readFaces(Vector3d scale, Reader nodeReader, Reader faceReader) throws IOException {
    PolygonalMesh mesh = new PolygonalMesh();
    ReaderTokenizer nodeFile = new ReaderTokenizer(new BufferedReader(nodeReader));
    nodeFile.nextToken();
    nodeFile.nextToken();
    nodeFile.nextToken();
    nodeFile.nextToken();
    while (nodeFile.nextToken() != ReaderTokenizer.TT_EOF) {
        Point3d coords = new Point3d();
        for (int i = 0; i < 3; i++) {
            coords.set(i, nodeFile.scanNumber());
        }
        if (scale != null) {
            coords.x *= scale.x;
            coords.y *= scale.y;
            coords.z *= scale.z;
        }
        mesh.addVertex(coords.x, coords.y, coords.z);
    }
    ReaderTokenizer faceFile = new ReaderTokenizer(new BufferedReader(faceReader));
    faceFile.nextToken();
    faceFile.nextToken();
    while (faceFile.nextToken() != ReaderTokenizer.TT_EOF) {
        Vertex3d[] vtxs = new Vertex3d[3];
        for (int i = 0; i < vtxs.length; i++) {
            vtxs[i] = mesh.getVertices().get(faceFile.scanInteger());
        }
        // discard
        faceFile.scanInteger();
        mesh.addFace(vtxs);
    }
    return mesh;
}

Example 19 with ReaderTokenizer

use of maspack.util.ReaderTokenizer in project artisynth_core by artisynth.

the class UCDReader method read.

/**
 * Creates an FemModel with uniform density based on UCD data read from a
 * Reader. The node coordinate data can be scaled non-uniformly using an
 * optional parameter giving scale values about the x, y, and z axes.
 *
 * @param model FEM model to be populated by UCD data
 * @param reader reader from which to read UCD data
 * @param density density of the model
 * @param scale if non-null, gives scaling about the x, y, and z axes
 * @throws IOException if this is a problem reading the file
 */
public static FemModel3d read(FemModel3d model, Reader reader, double density, Vector3d scale) throws IOException {
    if (model == null) {
        model = new FemModel3d();
    } else {
        model.clear();
    }
    if (density >= 0) {
        model.setDensity(density);
    } else {
        model.setDensity(1);
    }
    ReaderTokenizer rtok = new ReaderTokenizer(new BufferedReader(reader));
    int numNodes = rtok.scanInteger();
    int numCells = rtok.scanInteger();
    int numNData = rtok.scanInteger();
    int numCData = rtok.scanInteger();
    int numMData = rtok.scanInteger();
    if (numNData > 0) {
        System.out.println("Warning: UCD data contains extra node data; ignoring");
    }
    if (numCData > 0) {
        System.out.println("Warning: UCD data contains extra cell data; ignoring");
    }
    if (numMData > 0) {
        System.out.println("Warning: UCD data contains extra model data; ignoring");
    }
    boolean nodeIdWarningGiven = false;
    Point3d coords = new Point3d();
    for (int i = 0; i < numNodes; i++) {
        int nodeId = rtok.scanInteger();
        if (i != nodeId && !nodeIdWarningGiven) {
            System.out.println("Warning: UCD data contains non-sequential nodeIds; ignoring");
            nodeIdWarningGiven = true;
        }
        coords.x = rtok.scanNumber();
        coords.y = rtok.scanNumber();
        coords.z = rtok.scanNumber();
        if (scale != null) {
            coords.x *= scale.x;
            coords.y *= scale.y;
            coords.z *= scale.z;
        }
        model.addNode(new FemNode3d(coords));
    }
    boolean cellIdWarningGiven = false;
    boolean matWarningGiven = false;
    for (int i = 0; i < numCells; i++) {
        int cellId = rtok.scanInteger();
        if (i != cellId && !cellIdWarningGiven) {
            System.out.println("Warning: UCD data contains nonsequential cellIds; ignoring");
            cellIdWarningGiven = true;
        }
        int mat = rtok.scanInteger();
        if (mat != 0 && !matWarningGiven) {
            System.out.println("Warning: UCD data contains material references for cells; ignoring");
            matWarningGiven = true;
        }
        String cellType = rtok.scanWord();
        if (cellType.equals("tet")) {
            readTet(rtok, cellId, model);
        } else if (cellType.equals("hex")) {
            readHex(rtok, cellId, model);
        } else {
            throw new IOException("Element type '" + cellType + "' is not supported");
        }
    }
    return model;
}

Example 20 with ReaderTokenizer

use of maspack.util.ReaderTokenizer in project artisynth_core by artisynth.

the class AbaqusReader method readFile.

private static void readFile(Reader reader, LinkedHashMap<Integer, Point3d> nodeMap, LinkedHashMap<Integer, ArrayList<Integer>> elemMap, File[] includeDirs) throws IOException {
    ReaderTokenizer rtok = new ReaderTokenizer(new BufferedReader(reader));
    rtok.eolIsSignificant(true);
    rtok.wordChar('*');
    // ignore commas
    rtok.whitespaceChar(',');
    FileSection mySection = FileSection.OTHER;
    ElemType myElemType = ElemType.UNKNOWN;
    int nodeId = 0;
    int elemId = 0;
    while (rtok.nextToken() != ReaderTokenizer.TT_EOF) {
        // determine type
        if (rtok.ttype == ReaderTokenizer.TT_WORD) {
            if (rtok.sval.startsWith(COMMENT)) {
            // ignore
            } else if (rtok.sval.charAt(0) == KEYWORD) {
                // potentially change mode
                String keyword = rtok.sval.substring(1);
                if (keyword.equalsIgnoreCase("NODE")) {
                    mySection = FileSection.NODE;
                } else if (keyword.equalsIgnoreCase("ELEMENT")) {
                    mySection = FileSection.ELEM;
                    // determine type
                    String line = readLine(rtok);
                    String type = parseKey("TYPE=", line);
                    myElemType = ElemType.UNKNOWN;
                    for (ElemType et : ElemType.values()) {
                        if (et.getString().equalsIgnoreCase(type)) {
                            myElemType = et;
                            break;
                        }
                    }
                    if (myElemType == ElemType.UNKNOWN) {
                        System.err.println("Warning: unknown element type '" + type + "'");
                    }
                } else if (keyword.equalsIgnoreCase("INCLUDE")) {
                    String line = readLine(rtok);
                    String fileName = parseKey("INPUT=", line);
                    // find file
                    File input = findFile(fileName, includeDirs);
                    if (input == null) {
                        throw new IOException("Cannot find INCLUDE file '" + fileName + "'");
                    }
                    FileReader inputReader = null;
                    try {
                        inputReader = new FileReader(input);
                        readFile(inputReader, nodeMap, elemMap, includeDirs);
                    } catch (IOException e) {
                        throw e;
                    } finally {
                        if (inputReader != null) {
                            inputReader.close();
                        }
                    }
                } else {
                    mySection = FileSection.OTHER;
                    System.out.println("Warning: ignoring section '" + keyword + "'");
                }
            }
            // skip to end-of-line
            toEOL(rtok);
        } else {
            rtok.pushBack();
            // action depends on mode
            switch(mySection) {
                case ELEM:
                    elemId = rtok.scanInteger();
                    ArrayList<Integer> nodes = new ArrayList<Integer>();
                    while (rtok.nextToken() == ReaderTokenizer.TT_NUMBER) {
                        nodes.add((int) rtok.nval);
                    }
                    elemMap.put(elemId, nodes);
                    toEOL(rtok);
                    break;
                case NODE:
                    nodeId = rtok.scanInteger();
                    double x = rtok.scanNumber();
                    double y = rtok.scanNumber();
                    double z = rtok.scanNumber();
                    nodeMap.put(nodeId, new Point3d(x, y, z));
                    toEOL(rtok);
                    break;
                case OTHER:
                    toEOL(rtok);
            }
        }
    }
}