Example usage for java.nio FloatBuffer get

Introduction

In this page you can find the example usage for java.nio FloatBuffer get.

Prototype

public abstract float get();

Source Link

Document

Returns the float at the current position and increases the position by 1.

Usage

From source file:Main.java

public static void main(String[] args) {
    FloatBuffer floatBuffer = FloatBuffer.allocate(10);

    floatBuffer.put(0, 1.23F);/*ww w .j ava 2s.c  o  m*/

    floatBuffer.rewind();

    System.out.println(floatBuffer.get());

}

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From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.wrap(new byte[] { 0, 0, 0, 0, 0, 0, 0, 'a' });
    bb.rewind();//from w w  w  . j  ava  2s.  co  m
    FloatBuffer fb = ((ByteBuffer) bb.rewind()).asFloatBuffer();
    System.out.println("Float Buffer");
    while (fb.hasRemaining())
        System.out.println(fb.position() + " -> " + fb.get());

}

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From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.wrap(new byte[] { 0, 0, 0, 0, 0, 0, 0, 'a' });
    bb.rewind();//from  w w w . j a v a 2  s  . com
    System.out.println("Byte Buffer");
    while (bb.hasRemaining())
        System.out.println(bb.position() + " -> " + bb.get());
    CharBuffer cb = ((ByteBuffer) bb.rewind()).asCharBuffer();
    System.out.println("Char Buffer");
    while (cb.hasRemaining())
        System.out.println(cb.position() + " -> " + cb.get());
    FloatBuffer fb = ((ByteBuffer) bb.rewind()).asFloatBuffer();
    System.out.println("Float Buffer");
    while (fb.hasRemaining())
        System.out.println(fb.position() + " -> " + fb.get());
    IntBuffer ib = ((ByteBuffer) bb.rewind()).asIntBuffer();
    System.out.println("Int Buffer");
    while (ib.hasRemaining())
        System.out.println(ib.position() + " -> " + ib.get());
    LongBuffer lb = ((ByteBuffer) bb.rewind()).asLongBuffer();
    System.out.println("Long Buffer");
    while (lb.hasRemaining())
        System.out.println(lb.position() + " -> " + lb.get());
    ShortBuffer sb = ((ByteBuffer) bb.rewind()).asShortBuffer();
    System.out.println("Short Buffer");
    while (sb.hasRemaining())
        System.out.println(sb.position() + " -> " + sb.get());
    DoubleBuffer db = ((ByteBuffer) bb.rewind()).asDoubleBuffer();
    System.out.println("Double Buffer");
    while (db.hasRemaining())
        System.out.println(db.position() + " -> " + db.get());
}

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From source file:Main.java

public static float toFloatEx(byte[] b, int pos) {
    try {//from   w  w w.java2 s .  co  m
        byte[] byteTmp = new byte[4];
        for (int i = 0; i < 4; i++) {
            byteTmp[i] = b[pos + i];
        }
        ByteBuffer bb = ByteBuffer.wrap(byteTmp);

        FloatBuffer fb = bb.asFloatBuffer();

        return fb.get();
    } catch (Exception e) {
        e.printStackTrace();
        return 0.0f;
    }

}

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From source file:Main.java

/**
 * Create a new float[] array and populate it with the given FloatBuffer's
 * contents./*  www .  j  a  va  2  s  .  c  o m*/
 * 
 * @param buff
 *            the FloatBuffer to read from
 * @return a new float array populated from the FloatBuffer
 */
public static float[] getFloatArray(FloatBuffer buff) {
    if (buff == null) {
        return null;
    }
    buff.clear();
    float[] inds = new float[buff.limit()];
    for (int x = 0; x < inds.length; x++) {
        inds[x] = buff.get();
    }
    return inds;
}

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From source file:Main.java

public static FloatBuffer createFloatBuffer(FloatBuffer buf, int start, int end) {
    final float[] inds = new float[buf.limit()];
    for (int x = start - 1; x < end - 1; x++) {
        inds[x] = buf.get();
    }/*from  w w w .j  a va2 s.c o m*/
    return createFloatBuffer(inds);
}

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From source file:Main.java

public static FloatBuffer createFloatBuffer(FloatBuffer buffer, int start, int end) {
    final float[] inds = new float[buffer.limit()];
    for (int x = start - 1; x < end - 1; x++) {
        inds[x] = buffer.get();
    }//  ww  w.j a  v  a2 s . c o  m
    return createFloatBuffer(inds);
}

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From source file:Main.java

public static float[] getFloatArray(final FloatBuffer buff) {
    if (buff == null) {
        return null;
    }/*from   w w w .  ja  va2  s  .c  o m*/
    buff.clear();
    final float[] inds = new float[buff.limit()];
    for (int x = 0; x < inds.length; x++) {
        inds[x] = buff.get();
    }
    return inds;
}

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From source file:Main.java

private static String formatFloats(byte[] data) {
    FloatBuffer bb = ByteBuffer.wrap(data).order(ByteOrder.LITTLE_ENDIAN).asFloatBuffer();

    StringBuilder sb = new StringBuilder(bb.capacity() * 3);

    while (bb.remaining() > 0) {
        sb.append(String.format("%.4f", bb.get()));
        sb.append(',');
        sb.append('\n');
    }//from  w ww . jav  a2 s.  c  om

    return sb.toString();
}

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From source file:org.bimserver.collada.SupportFunctions.java

public static void printMatrix(PrintWriter out, GeometryInfo geometryInfo) {
    ByteBuffer transformation = ByteBuffer.wrap(geometryInfo.getTransformation());
    transformation.order(ByteOrder.LITTLE_ENDIAN);
    FloatBuffer floatBuffer = transformation.asFloatBuffer();
    // Prepare to create the transform matrix.
    float[] matrix = new float[16];
    // Add the first 16 values of the buffer.
    for (int i = 0; i < matrix.length; i++)
        matrix[i] = floatBuffer.get();
    // Switch from column-major (x.x ... x.y ... x.z ... 0 ...) to row-major orientation (x.x x.y x.z 0 ...)?
    matrix = Matrix.changeOrientation(matrix);
    // List all 16 elements of the matrix as a single space-delimited String object.
    if (!matrix.equals(identity))
        out.println("    <matrix>" + floatArrayToSpaceDelimitedString(matrix) + "</matrix>");
}

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