Examples with ResultSet org.opentripplanner.analyst.ResultSet used on opensource projects

Example 1 with ResultSet

use of org.opentripplanner.analyst.ResultSet in project OpenTripPlanner by opentripplanner.

the class TNPropagatedTimesStore method makeIsochroneForVertices.

/**
 * This bypasses a bunch of TimeSurface conversion/copy steps we were going though and makes the isochrones directly.
 * This assumes that the target indexes in this router/propagatedTimesStore are vertex indexes, not pointset indexes.
 * Called three times on min/avg/max to create the three elements of a ResultEnvelope.
 */
private ResultSet makeIsochroneForVertices(int[] times) {
    final int spacing = 5;
    final int nMax = 24;
    final int cutoffMinutes = 120;
    final int offroadDistanceMeters = 250;
    SparseMatrixZSampleGrid<WTWD> grid = makeSampleGridForVertices(times, offroadDistanceMeters);
    long t0 = System.currentTimeMillis();
    DelaunayIsolineBuilder<WTWD> isolineBuilder = new DelaunayIsolineBuilder<>(grid.delaunayTriangulate(), new WTWD.IsolineMetric());
    List<IsochroneData> isoData = new ArrayList<IsochroneData>();
    for (int minutes = spacing, n = 0; minutes <= cutoffMinutes && n < nMax; minutes += spacing, n++) {
        int seconds = minutes * 60;
        WTWD z0 = new WTWD();
        z0.w = 1.0;
        z0.wTime = seconds;
        z0.d = offroadDistanceMeters;
        IsochroneData isochrone = new IsochroneData(seconds, isolineBuilder.computeIsoline(z0));
        isoData.add(isochrone);
    }
    long t1 = System.currentTimeMillis();
    ResultSet resultSet = new ResultSet();
    resultSet.isochrones = new IsochroneData[isoData.size()];
    isoData.toArray(resultSet.isochrones);
    LOG.debug("Computed {} isochrones in {} msec", isoData.size(), (int) (t1 - t0));
    return resultSet;
}

Example 2 with ResultSet

use of org.opentripplanner.analyst.ResultSet in project OpenTripPlanner by opentripplanner.

the class ResultEnvelope method explode.

/**
 * Explode this result envelope into a result envelope for each contained attribute
 * We do this because we need to retrieve all of the values for a particular variable quickly, in order to display the map,
 * and looping over 10GB of data to do this is not tractable.
 */
public Map<String, ResultEnvelope> explode() {
    Map<String, ResultEnvelope> exploded = new HashMap<String, ResultEnvelope>();
    // find a non-null resultset
    for (String attr : (pointEstimate != null ? pointEstimate : avgCase).histograms.keySet()) {
        ResultEnvelope env = new ResultEnvelope();
        for (Which which : Which.values()) {
            ResultSet orig = this.get(which);
            if (orig != null) {
                ResultSet rs = new ResultSet();
                rs.id = orig.id;
                rs.histograms.put(attr, orig.histograms.get(attr));
                env.put(which, rs);
                env.id = this.id;
            }
        }
        exploded.put(attr, env);
    }
    return exploded;
}

Example 3 with ResultSet

use of org.opentripplanner.analyst.ResultSet in project OpenTripPlanner by opentripplanner.

the class SurfaceResource method getIndicator.

/**
 * Evaluate a surface at all the points in a PointSet.
 * This sends back a ResultSet serialized as JSON.
 * Normally we return historgrams with the number of points reached (in field 'counts') and the number of
 * opportunities reached (i.e. the sum of the magnitudes of all points reached) in each one-minute bin of travel
 * time.
 * @param detail if true, include the travel time to every point in the pointset (which is in fact an ordered list)
 */
@GET
@Path("/{surfaceId}/indicator")
public Response getIndicator(@PathParam("surfaceId") Integer surfaceId, @QueryParam("targets") String targetPointSetId, @QueryParam("origins") String originPointSetId, @QueryParam("detail") boolean detail) {
    final TimeSurface surf = otpServer.surfaceCache.get(surfaceId);
    if (surf == null)
        return badRequest("Invalid TimeSurface ID.");
    final PointSet pset = otpServer.pointSetCache.get(targetPointSetId);
    if (pset == null)
        return badRequest("Missing or invalid target PointSet ID.");
    Router router = otpServer.getRouter(surf.routerId);
    // TODO cache this sampleset
    SampleSet samples = pset.getSampleSet(router.graph);
    final ResultSet indicator = new ResultSet(samples, surf, detail, detail);
    if (indicator == null)
        return badServer("Could not compute indicator as requested.");
    return Response.ok().entity(new StreamingOutput() {

        @Override
        public void write(OutputStream output) throws IOException, WebApplicationException {
            indicator.writeJson(output);
        }
    }).build();
}

Example 4 with ResultSet

use of org.opentripplanner.analyst.ResultSet in project OpenTripPlanner by opentripplanner.

the class PropagatedTimesStore method makeIsochroneForVertices.

/**
 * This bypasses a bunch of TimeSurface conversion/copy steps we were going though and makes the isochrones directly.
 * This assumes that the target indexes in this router/propagatedTimesStore are vertex indexes, not pointset indexes.
 * Called three times on min/avg/max to create the three elements of a ResultEnvelope.
 */
private ResultSet makeIsochroneForVertices(int[] times) {
    final int spacing = 5;
    final int nMax = 24;
    final int cutoffMinutes = 120;
    final double gridSize = IsochroneGenerator.GRID_SIZE_METERS;
    final double offroadDistanceMeters = gridSize * IsochroneGenerator.WALK_DISTANCE_GRID_SIZE_RATIO;
    SparseMatrixZSampleGrid<WTWD> grid = makeSampleGridForVertices(times, gridSize);
    long t0 = System.currentTimeMillis();
    DelaunayIsolineBuilder<WTWD> isolineBuilder = new DelaunayIsolineBuilder<>(grid.delaunayTriangulate(), new WTWD.IsolineMetric());
    List<IsochroneData> isoData = new ArrayList<IsochroneData>();
    for (int minutes = spacing, n = 0; minutes <= cutoffMinutes && n < nMax; minutes += spacing, n++) {
        int seconds = minutes * 60;
        WTWD z0 = new WTWD();
        z0.w = 1.0;
        z0.wTime = seconds;
        z0.d = offroadDistanceMeters;
        IsochroneData isochrone = new IsochroneData(seconds, isolineBuilder.computeIsoline(z0));
        isoData.add(isochrone);
    }
    long t1 = System.currentTimeMillis();
    ResultSet resultSet = new ResultSet();
    resultSet.isochrones = new IsochroneData[isoData.size()];
    isoData.toArray(resultSet.isochrones);
    LOG.debug("Computed {} isochrones in {} msec", isoData.size(), (int) (t1 - t0));
    return resultSet;
}

Example 5 with ResultSet

use of org.opentripplanner.analyst.ResultSet in project OpenTripPlanner by opentripplanner.

the class PropagatedTimesStore method makeResults.

/**
 * Make a ResultEnvelope directly from a given SampleSet.
 * The RaptorWorkerData must have been constructed from the same SampleSet.
 */
public ResultEnvelope makeResults(SampleSet ss, boolean includeTimes, boolean includeHistograms, boolean includeIsochrones) {
    ResultEnvelope envelope = new ResultEnvelope();
    // max times == worst case accessibility
    envelope.worstCase = new ResultSet(maxs, ss.pset, includeTimes, includeHistograms, includeIsochrones);
    envelope.avgCase = new ResultSet(avgs, ss.pset, includeTimes, includeHistograms, includeIsochrones);
    envelope.bestCase = new ResultSet(mins, ss.pset, includeTimes, includeHistograms, includeIsochrones);
    return envelope;
}