@SuppressWarnings("static-method")
@GET
@Produces("image/*")
@Path("{version}/{raster}/{z}/{x}/{y}.{format}")
public Response getTile(
@PathParam("version") final String version,
@PathParam("raster") String pyramid,
@PathParam("z") final Integer z,
@PathParam("x") final Integer x,
@PathParam("y") final Integer y,
@PathParam("format") final String format,
@QueryParam("color-scale-name") final String colorScaleName,
@QueryParam("color-scale") final String colorScale,
@QueryParam("min") final Double min,
@QueryParam("max") final Double max,
@DefaultValue("1") @QueryParam("maskMax") final Double maskMax,
@QueryParam("mask") final String mask) {
final ImageRenderer renderer;
Raster raster;
try {
renderer = (ImageRenderer) ImageHandlerFactory.getHandler(format, ImageRenderer.class);
// TODO: Need to construct provider properties from the WebRequest using
// a new security layer and pass those properties.
// Apply mask if requested
ProviderProperties providerProperties = SecurityUtils.getProviderProperties();
if (mask != null && !mask.isEmpty()) {
raster = renderer.renderImage(pyramid, x, y, z, mask, maskMax, providerProperties);
} else {
raster = renderer.renderImage(pyramid, x, y, z, providerProperties);
}
if (!(renderer instanceof TiffImageRenderer)
&& raster.getNumBands() != 3
&& raster.getNumBands() != 4) {
ColorScale cs = null;
if (colorScaleName != null) {
cs = ColorScaleManager.fromName(colorScaleName, props);
} else if (colorScale != null) {
cs = ColorScaleManager.fromJSON(colorScale);
}
// else
// {
// cs = ColorScaleManager.fromPyramid(pyramid, driver);
// }
final double[] extrema = renderer.getExtrema();
// Check for min/max override values from the request
if (min != null) {
extrema[0] = min;
}
if (max != null) {
extrema[1] = max;
}
raster =
((ColorScaleApplier) ImageHandlerFactory.getHandler(format, ColorScaleApplier.class))
.applyColorScale(raster, cs, extrema, renderer.getDefaultValues());
}
// Apply mask if requested
// if (mask != null && !mask.isEmpty())
// {
// try
// {
// final MrsImagePyramidMetadata maskMetadata = service.getMetadata(mask);
//
// final Raster maskRaster = renderer.renderImage(mask, x, y, z, props, driver);
// final WritableRaster wr = RasterUtils.makeRasterWritable(raster);
//
// final int band = 0;
// final double nodata = maskMetadata.getDefaultValue(band);
//
// for (int w = 0; w < maskRaster.getWidth(); w++)
// {
// for (int h = 0; h < maskRaster.getHeight(); h++)
// {
// final double maskPixel = maskRaster.getSampleDouble(w, h, band);
// if (maskPixel > maskMax || Double.compare(maskPixel, nodata) == 0)
// {
// wr.setSample(w, h, band, nodata);
// }
// }
// }
// }
// catch (final TileNotFoundException ex)
// {
// raster = RasterUtils.createEmptyRaster(raster.getWidth(), raster.getHeight(),
// raster
// .getNumBands(), raster.getTransferType(), 0);
// }
// }
return ((ImageResponseWriter)
ImageHandlerFactory.getHandler(format, ImageResponseWriter.class))
.write(raster, renderer.getDefaultValues())
.build();
} catch (final IllegalArgumentException e) {
return Response.status(Status.BAD_REQUEST)
.entity("Unsupported image format - " + format)
.build();
} catch (final IOException e) {
return Response.status(Status.NOT_FOUND).entity("Tile map not found - " + pyramid).build();
} catch (final MrsImageException e) {
return Response.status(Status.NOT_FOUND)
.entity("Tile map not found - " + pyramid + ": " + z)
.build();
} catch (final TileNotFoundException e) {
// return Response.status(Status.NOT_FOUND).entity("Tile not found").build();
try {
final MrsImagePyramidMetadata metadata = service.getMetadata(pyramid);
return createEmptyTile(
((ImageResponseWriter)
ImageHandlerFactory.getHandler(format, ImageResponseWriter.class)),
metadata.getTilesize(),
metadata.getTilesize());
} catch (final Exception e1) {
log.error(
"Exception occurred creating blank tile "
+ pyramid
+ "/"
+ z
+ "/"
+ x
+ "/"
+ y
+ "."
+ format,
e1);
}
} catch (final ColorScale.BadJSONException e) {
return Response.status(Status.NOT_FOUND).entity("Unable to parse color scale JSON").build();
} catch (final ColorScale.BadSourceException e) {
return Response.status(Status.NOT_FOUND).entity("Unable to open color scale file").build();
} catch (final ColorScale.BadXMLException e) {
return Response.status(Status.NOT_FOUND).entity("Unable to parse color scale XML").build();
} catch (final ColorScale.ColorScaleException e) {
return Response.status(Status.NOT_FOUND).entity("Unable to open color scale").build();
} catch (final Exception e) {
log.error(
"Exception occurred getting tile " + pyramid + "/" + z + "/" + x + "/" + y + "." + format,
e);
}
return Response.status(Status.INTERNAL_SERVER_ERROR).entity(GENERAL_ERROR).build();
}
protected static Document mrsPyramidMetadataToTileMapXml(
final String raster, final String url, final MrsImagePyramidMetadata mpm)
throws ParserConfigurationException {
/*
* String tileMap = "<?xml version='1.0' encoding='UTF-8' ?>" +
* "<TileMap version='1.0.0' tilemapservice='http://localhost/mrgeo-services/api/tms/1.0.0'>" +
* " <Title>AfPk Elevation V2</Title>" + " <Abstract>A test of V2 MrsImagePyramid.</Abstract>"
* + " <SRS>EPSG:4326</SRS>" + " <BoundingBox minx='68' miny='33' maxx='72' maxy='35' />" +
* " <Origin x='68' y='33' />" +
* " <TileFormat width='512' height='512' mime-type='image/tiff' extension='tif' />" +
* " <TileSets profile='global-geodetic'>" +
* " <TileSet href='http://localhost/mrgeo-services/api/tms/1.0.0/AfPkElevationV2/1' units-per-pixel='0.3515625' order='1' />"
* +
* " <TileSet href='http://localhost/mrgeo-services/api/tms/1.0.0/AfPkElevationV2/2' units-per-pixel='0.17578125' order='2' />"
* +
* " <TileSet href='http://localhost/mrgeo-services/api/tms/1.0.0/AfPkElevationV2/3' units-per-pixel='0.08789063' order='3' />"
* +
* " <TileSet href='http://localhost/mrgeo-services/api/tms/1.0.0/AfPkElevationV2/4' units-per-pixel='0.08789063' order='4' />"
* +
* " <TileSet href='http://localhost/mrgeo-services/api/tms/1.0.0/AfPkElevationV2/5' units-per-pixel='0.08789063' order='5' />"
* +
* " <TileSet href='http://localhost/mrgeo-services/api/tms/1.0.0/AfPkElevationV2/6' units-per-pixel='0.08789063' order='6' />"
* +
* " <TileSet href='http://localhost/mrgeo-services/api/tms/1.0.0/AfPkElevationV2/7' units-per-pixel='0.08789063' order='7' />"
* +
* " <TileSet href='http://localhost/mrgeo-services/api/tms/1.0.0/AfPkElevationV2/8' units-per-pixel='0.08789063' order='8' />"
* +
* " <TileSet href='http://localhost/mrgeo-services/api/tms/1.0.0/AfPkElevationV2/9' units-per-pixel='0.08789063' order='9' />"
* +
* " <TileSet href='http://localhost/mrgeo-services/api/tms/1.0.0/AfPkElevationV2/10' units-per-pixel='0.08789063' order='10' />"
* + " </TileSets>" + "</TileMap>";
*/
final DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
final DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
// root elements
final Document doc = docBuilder.newDocument();
final Element rootElement = doc.createElement("TileMap");
doc.appendChild(rootElement);
final Attr v = doc.createAttribute("version");
v.setValue(VERSION);
rootElement.setAttributeNode(v);
final Attr tilemapservice = doc.createAttribute("tilemapservice");
tilemapservice.setValue(normalizeUrl(normalizeUrl(url).replace(raster, "")));
rootElement.setAttributeNode(tilemapservice);
// child elements
final Element title = doc.createElement("Title");
title.setTextContent(raster);
rootElement.appendChild(title);
final Element abst = doc.createElement("Abstract");
abst.setTextContent("");
rootElement.appendChild(abst);
final Element srs = doc.createElement("SRS");
srs.setTextContent(SRS);
rootElement.appendChild(srs);
final Element bbox = doc.createElement("BoundingBox");
rootElement.appendChild(bbox);
final Attr minx = doc.createAttribute("minx");
minx.setValue(String.valueOf(mpm.getBounds().getMinX()));
bbox.setAttributeNode(minx);
final Attr miny = doc.createAttribute("miny");
miny.setValue(String.valueOf(mpm.getBounds().getMinY()));
bbox.setAttributeNode(miny);
final Attr maxx = doc.createAttribute("maxx");
maxx.setValue(String.valueOf(mpm.getBounds().getMaxX()));
bbox.setAttributeNode(maxx);
final Attr maxy = doc.createAttribute("maxy");
maxy.setValue(String.valueOf(mpm.getBounds().getMaxY()));
bbox.setAttributeNode(maxy);
final Element origin = doc.createElement("Origin");
rootElement.appendChild(origin);
final Attr x = doc.createAttribute("x");
x.setValue(String.valueOf(mpm.getBounds().getMinX()));
origin.setAttributeNode(x);
final Attr y = doc.createAttribute("y");
y.setValue(String.valueOf(mpm.getBounds().getMinY()));
origin.setAttributeNode(y);
final Element tileformat = doc.createElement("TileFormat");
rootElement.appendChild(tileformat);
final Attr w = doc.createAttribute("width");
w.setValue(String.valueOf(mpm.getTilesize()));
tileformat.setAttributeNode(w);
final Attr h = doc.createAttribute("height");
h.setValue(String.valueOf(mpm.getTilesize()));
tileformat.setAttributeNode(h);
final Attr mt = doc.createAttribute("mime-type");
mt.setValue("image/tiff");
tileformat.setAttributeNode(mt);
final Attr ext = doc.createAttribute("extension");
ext.setValue("tif");
tileformat.setAttributeNode(ext);
final Element tilesets = doc.createElement("TileSets");
rootElement.appendChild(tilesets);
final Attr profile = doc.createAttribute("profile");
profile.setValue("global-geodetic");
tilesets.setAttributeNode(profile);
for (int i = 0; i <= mpm.getMaxZoomLevel(); i++) {
final Element tileset = doc.createElement("TileSet");
tilesets.appendChild(tileset);
final Attr href = doc.createAttribute("href");
href.setValue(normalizeUrl(normalizeUrl(url)) + "/" + i);
tileset.setAttributeNode(href);
final Attr upp = doc.createAttribute("units-per-pixel");
upp.setValue(String.valueOf(180d / 256d / Math.pow(2, i)));
tileset.setAttributeNode(upp);
final Attr order = doc.createAttribute("order");
order.setValue(String.valueOf(i));
tileset.setAttributeNode(order);
}
return doc;
}