Example usage for java.nio FloatBuffer toString

Introduction

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

Prototype

public String toString() 

Source Link

Document

Returns a string representing the state of this float buffer.

Usage

From source file:Main.java

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

    floatBuffer.put(1, 1.23F);// w  ww . j a va2s .c  o m

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

}

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From source file:com.projecttango.experiments.javapointcloud.PointCloudActivity.java

private void setTangoListeners() {
    // Configure the Tango coordinate frame pair
    final ArrayList<TangoCoordinateFramePair> framePairs = new ArrayList<TangoCoordinateFramePair>();
    framePairs.add(new TangoCoordinateFramePair(TangoPoseData.COORDINATE_FRAME_START_OF_SERVICE,
            TangoPoseData.COORDINATE_FRAME_DEVICE));
    // Listen for new Tango data
    mTango.connectListener(framePairs, new OnTangoUpdateListener() {

        @Override/*from ww w .  j  a v a2s.c  o m*/
        public void onPoseAvailable(final TangoPoseData pose) {

            mDeltaTime = (float) (pose.timestamp - mPosePreviousTimeStamp) * SECS_TO_MILLISECS;
            mPosePreviousTimeStamp = (float) pose.timestamp;
            if (mPreviousPoseStatus != pose.statusCode) {
                count = 0;
            }
            count++;
            mPreviousPoseStatus = pose.statusCode;
            mRenderer.getModelMatCalculator().updateModelMatrix(pose.getTranslationAsFloats(),
                    pose.getRotationAsFloats());
            mRenderer.updateViewMatrix();
            mGLView.requestRender();

            // Translation and Quaternion strings defined here. Can this be accessed later on xyzji availible?
            final DecimalFormat threeDec = new DecimalFormat("0.000");
            final String translationString = "[" + threeDec.format(pose.translation[0]) + ", "
                    + threeDec.format(pose.translation[1]) + ", " + threeDec.format(pose.translation[2]) + "] ";
            final String quaternionString = "[" + threeDec.format(pose.rotation[0]) + ", "
                    + threeDec.format(pose.rotation[1]) + ", " + threeDec.format(pose.rotation[2]) + ", "
                    + threeDec.format(pose.rotation[3]) + "] ";

            // Update the UI with TangoPose information
            runOnUiThread(new Runnable() {
                @Override
                public void run() {

                    // Display pose data on screen in TextViews
                    mPoseTextView.setText(translationString);
                    mQuatTextView.setText(quaternionString);
                    mPoseCountTextView.setText(Integer.toString(count));
                    mDeltaTextView.setText(threeDec.format(mDeltaTime));
                    if (pose.statusCode == TangoPoseData.POSE_VALID) {
                        mPoseStatusTextView.setText(R.string.pose_valid);
                    } else if (pose.statusCode == TangoPoseData.POSE_INVALID) {
                        mPoseStatusTextView.setText(R.string.pose_invalid);
                    } else if (pose.statusCode == TangoPoseData.POSE_INITIALIZING) {
                        mPoseStatusTextView.setText(R.string.pose_initializing);
                    } else if (pose.statusCode == TangoPoseData.POSE_UNKNOWN) {
                        mPoseStatusTextView.setText(R.string.pose_unknown);
                    }

                }
            });

            // NEW - Printing data to an output Log
            Log.d(TAG,
                    "OUTPUT onPoseAvailable:" + " TStamp: " + mPosePreviousTimeStamp + " dTime: " + mDeltaTime
                            + " T: " + translationString + " R: " + quaternionString + " Status: "
                            + mPoseStatusTextView.getText().toString());

        }

        @Override
        public void onXyzIjAvailable(final TangoXyzIjData xyzIj) {
            Log.v(TAG, "SOME SHIT IS GOIN ON");
            mCurrentTimeStamp = (float) xyzIj.timestamp;
            final float frameDelta = (mCurrentTimeStamp - mXyIjPreviousTimeStamp) * SECS_TO_MILLISECS;
            mXyIjPreviousTimeStamp = mCurrentTimeStamp;
            byte[] buffer = new byte[xyzIj.xyzCount * 3 * 4];
            FileInputStream fileStream = new FileInputStream(xyzIj.xyzParcelFileDescriptor.getFileDescriptor());
            try {
                fileStream.read(buffer, xyzIj.xyzParcelFileDescriptorOffset, buffer.length);
                fileStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
            try {
                TangoPoseData pointCloudPose = mTango.getPoseAtTime(mCurrentTimeStamp, framePairs.get(0));

                // NEW - Printing data to an output Log
                float[] translations = pointCloudPose.getTranslationAsFloats();
                float[] rotations = pointCloudPose.getRotationAsFloats();

                FloatBuffer mPointCloudFloatBuffer;
                mPointCloudFloatBuffer = ByteBuffer.wrap(buffer).order(ByteOrder.nativeOrder()).asFloatBuffer();
                PrintWriter p = new PrintWriter(new BufferedWriter(new FileWriter(outFile, true)));

                Log.d(TAG, "OUTPUT onxyzjiNEW:" + mPointCloudFloatBuffer.toString());
                p.println(mPointCloudFloatBuffer.get(xyzIj.xyzCount) + ", "
                        + mPointCloudFloatBuffer.get(xyzIj.xyzCount + 1) + ", "
                        + mPointCloudFloatBuffer.get(xyzIj.xyzCount + 2));
                p.close();

                mRenderer.getPointCloud().UpdatePoints(buffer, xyzIj.xyzCount);
                mRenderer.getModelMatCalculator().updatePointCloudModelMatrix(
                        pointCloudPose.getTranslationAsFloats(), pointCloudPose.getRotationAsFloats());
                mRenderer.getPointCloud()
                        .setModelMatrix(mRenderer.getModelMatCalculator().getPointCloudModelMatrixCopy());

            } catch (IOException e) {
                e.printStackTrace();
            } catch (TangoErrorException e) {
                Toast.makeText(getApplicationContext(), R.string.TangoError, Toast.LENGTH_SHORT).show();
            } catch (IndexOutOfBoundsException e) {
                Toast.makeText(getApplicationContext(), "SHIT IS FUCKED", Toast.LENGTH_SHORT).show();
            } catch (TangoInvalidException e) {
                Toast.makeText(getApplicationContext(), R.string.TangoError, Toast.LENGTH_SHORT).show();

            }

            // Must run UI changes on the UI thread. Running in the Tango
            // service thread
            // will result in an error.
            runOnUiThread(new Runnable() {
                DecimalFormat threeDec = new DecimalFormat("0.000");

                @Override
                public void run() {
                    // Display number of points in the point cloud
                    mPointCountTextView.setText(Integer.toString(xyzIj.xyzCount));
                    mFrequencyTextView.setText("" + threeDec.format(frameDelta));
                    mAverageZTextView.setText("" + threeDec.format(mRenderer.getPointCloud().getAverageZ()));
                }
            });
        }

        @Override
        public void onTangoEvent(final TangoEvent event) {
            runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    mTangoEventTextView.setText(event.eventKey + ": " + event.eventValue);
                }
            });

            Log.v(TAG, "onTangoEvent" + event.eventKey + ": " + event.eventValue);
        }
    });
}

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