Examples with MbtilesException org.odk.collect.android.geo.MbtilesFile.MbtilesException used on opensource projects

Example 1 with MbtilesException

use of org.odk.collect.android.geo.MbtilesFile.MbtilesException in project collect by opendatakit.

the class MapboxMapFragment method addMbtiles.

@SuppressWarnings("TimberExceptionLogging")
private void addMbtiles(String id, File file) {
    MbtilesFile mbtiles;
    try {
        mbtiles = new MbtilesFile(file);
    } catch (MbtilesException e) {
        Timber.w(e.getMessage());
        return;
    }
    TileSet tileSet = createTileSet(mbtiles, tileServer.getUrlTemplate(id));
    tileServer.addSource(id, mbtiles);
    if (mbtiles.getLayerType() == LayerType.VECTOR) {
        addOverlaySource(new VectorSource(id, tileSet));
        List<MbtilesFile.VectorLayer> layers = mbtiles.getVectorLayers();
        for (MbtilesFile.VectorLayer layer : layers) {
            // Pick a colour that's a function of the filename and layer name.
            // The colour will appear essentially random; the only purpose here
            // is to try to assign different colours to different layers, such
            // that each individual layer appears in its own consistent colour.
            int hue = (((id + "." + layer.name).hashCode()) & 0x7fffffff) % 360;
            addOverlayLayer(new LineLayer(id + "/" + layer.name, id).withProperties(lineColor(Color.HSVToColor(new float[] { hue, 0.7f, 1 })), lineWidth(1f), lineOpacity(0.7f)).withSourceLayer(layer.name));
        }
    }
    if (mbtiles.getLayerType() == LayerType.RASTER) {
        addOverlaySource(new RasterSource(id, tileSet));
        addOverlayLayer(new RasterLayer(id + ".raster", id));
    }
    Timber.i("Added %s as a %s layer at /%s", file, mbtiles.getLayerType(), id);
}

Example 2 with MbtilesException

use of org.odk.collect.android.geo.MbtilesFile.MbtilesException in project collect by opendatakit.

the class MapboxMapFragment method createTileSet.

@SuppressWarnings("TimberExceptionLogging")
private TileSet createTileSet(MbtilesFile mbtiles, String urlTemplate) {
    TileSet tileSet = new TileSet("2.2.0", urlTemplate);
    // Configure the TileSet using the metadata in the .mbtiles file.
    try {
        tileSet.setName(mbtiles.getMetadata("name"));
        try {
            tileSet.setMinZoom(Integer.parseInt(mbtiles.getMetadata("minzoom")));
            tileSet.setMaxZoom(Integer.parseInt(mbtiles.getMetadata("maxzoom")));
        } catch (NumberFormatException e) {
        /* ignore */
        }
        String[] parts = mbtiles.getMetadata("center").split(",");
        if (parts.length == 3) {
            // latitude, longitude, zoom
            try {
                tileSet.setCenter(Float.parseFloat(parts[0]), Float.parseFloat(parts[1]), (float) Integer.parseInt(parts[2]));
            } catch (NumberFormatException e) {
            /* ignore */
            }
        }
        parts = mbtiles.getMetadata("bounds").split(",");
        if (parts.length == 4) {
            // left, bottom, right, top
            try {
                tileSet.setBounds(Float.parseFloat(parts[0]), Float.parseFloat(parts[1]), Float.parseFloat(parts[2]), Float.parseFloat(parts[3]));
            } catch (NumberFormatException e) {
            /* ignore */
            }
        }
    } catch (MbtilesException e) {
        Timber.w(e.getMessage());
    }
    return tileSet;
}