Android Open Source - MarsImagesAndroid Curiosity

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Back to project page MarsImagesAndroid.

License

The source code is released under:

Apache License

Java Source Code

package gov.nasa.jpl.hi.marsimages.rovers;
/*  w ww  .j a v a 2s.  c  o m*/
import android.util.Log;

import com.evernote.edam.type.Note;
import com.evernote.edam.type.Resource;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;

/**
 * Created by mpowell on 5/3/14.
 */
public class Curiosity extends Rover {

    enum TitleState {
        START,
        SOL_NUMBER,
        IMAGESET_ID,
        INSTRUMENT_NAME,
        MARS_LOCAL_TIME,
        ROVER_MOTION_COUNTER
    }

    public Curiosity() {
        eyeIndex = 1;
        instrumentIndex = 0;
        sampleTypeIndex = 17;
        stereoInstruments.addAll(Arrays.asList("F", "R", "N"));
    }

    public String getUser() {
        return "mslmars";
    }

    @Override
    public String getSortableImageFilename(String sourceURL) {
        String tokens[] = sourceURL.split("/");
        return tokens[tokens.length - 1];
    }

    @Override
    public String getLabelText(Note note) {
        if (note == null) return "";
        Title mslTitle = tokenize(note.getTitle());
        return mslTitle.instrumentName;
    }

    @Override
    public String getDetailText(Note note) {
        if (note == null) return "";
        String marstime = tokenize(note.getTitle()).marsLocalTime;
        return (marstime != null) ? marstime + " LST" : "";
    }

    @Override
    public String getCaptionText(Note note) {
        if (note == null) return "";
        Title title = tokenize(note.getTitle());
        return String.format("%s image taken on Sol %d.", title.instrumentName, title.sol);
    }

    @Override
    public String getImageName(Resource resource) {
        String imageid = getImageID(resource);
        String instrument = imageid.substring(instrumentIndex, instrumentIndex + 1);
        if (instrument.equals("N") || instrument.equals("F") || instrument.equals("R")) {
            String eye = imageid.substring(eyeIndex, eyeIndex + 1);
            if (eye.equals("L"))
                return "Left";
            else
                return "Right";
        }

        return "";
    }

    @Override
    public String[] stereoForImages(Note note) {
        if (note == null || note.getResources().size() == 0)
            return new String[0];
        String imageid = getImageID(note.getResources().get(0));
        String instrument = imageid.substring(instrumentIndex, instrumentIndex + 1);
        if (!stereoInstruments.contains(instrument))
            return new String[0];

        int leftImageIndex = -1;
        int rightImageIndex = -1;
        int index = 0;
        for (Resource resource : note.getResources()) {
            imageid = getImageID(resource);
            String eye = imageid.substring(eyeIndex, eyeIndex + 1);
            if (leftImageIndex == -1 && eye.equals("L"))
                leftImageIndex = index;
            if (rightImageIndex == -1 && eye.equals("R"))
                rightImageIndex = index;
            index += 1;
        }
        if (leftImageIndex >= 0 && rightImageIndex >= 0) {
            return new String[]{
                    note.getResources().get(leftImageIndex).getAttributes().getSourceURL(),
                    note.getResources().get(rightImageIndex).getAttributes().getSourceURL()
            };
        }
        return new String[0];
    }

    @Override
    public int getSol(Note note) {
        if (note == null) return 0;
        String title = note.getTitle();
        String tokens[] = title.split(" ");
        if (tokens.length >= 2) {
            return Integer.parseInt(tokens[1]);
        }
        return 0;
    }

    @Override
    public Date getEpoch() {
        try {
            return new SimpleDateFormat(EPOCH_FORMAT).parse("2012080606:30:00GMT");
        } catch (ParseException e) {
            Log.e("epoch date error", e.toString());
        }
        return null;
    }

    public Title tokenize(String noteTitle) {
        Title msl = new Title();
        String[] tokens = noteTitle.split(" ");
        TitleState state = TitleState.START;
        for (String word : tokens) {
            if (word.equals(SOL)) {
                state = TitleState.SOL_NUMBER;
                continue;
            } else if (word.equals(LTST)) {
                state = TitleState.MARS_LOCAL_TIME;
                continue;
            } else if (word.equals(RMC)) {
                state = TitleState.ROVER_MOTION_COUNTER;
                continue;
            }
            String[] indices;
            switch (state) {
                case START:
                    break;
                case SOL_NUMBER:
                    msl.sol = Integer.parseInt(word);
                    state = TitleState.IMAGESET_ID;
                    break;
                case IMAGESET_ID:
                    msl.imageSetID = word;
                    state = TitleState.INSTRUMENT_NAME;
                    break;
                case INSTRUMENT_NAME:
                    if (msl.instrumentName == null) {
                        msl.instrumentName = word;
                    } else {
                        msl.instrumentName += " " + word;
                    }
                    break;
                case MARS_LOCAL_TIME:
                    msl.marsLocalTime = word;
                    break;
                case ROVER_MOTION_COUNTER:
                    indices = word.split("-");
                    msl.siteIndex = Integer.parseInt(indices[0]);
                    msl.driveIndex = Integer.parseInt(indices[1]);
                    break;
                default:
                    Log.w("MSL Title", "Unexpected state in parsing image title: " + state);
                    break;
            }
        }
        return msl;
    }

}

Java Source Code List

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