mirror of
https://github.com/OpenSpace/OpenSpace.git
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117 lines
4.4 KiB
C++
117 lines
4.4 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2016 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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/*
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#include <modules/globebrowsing/rendering/twmstileprovider.h>
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#include <openspace/engine/downloadmanager.h>
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#include <ghoul/io/texture/texturereader.h>
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#include <ghoul/filesystem/filesystem.h>
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#include <ghoul/logging/logmanager.h>
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#include <sstream>
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namespace {
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const std::string _loggerCat = "TwmsTileProvider";
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}
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namespace openspace {
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TwmsTileProvider::TwmsTileProvider()
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: _tileCache(500) // setting cache size
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{
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int downloadApplicationVersion = 1;
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DownloadManager::initialize("../tmp_openspace_downloads/", downloadApplicationVersion);
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}
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TwmsTileProvider::~TwmsTileProvider(){
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}
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std::shared_ptr<Texture> TwmsTileProvider::getTile(const TileIndex& tileIndex) {
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HashKey hashkey = tileIndex.hashKey();
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if (_tileCache.exist(hashkey)) {
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return _tileCache.get(hashkey);
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}
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else {
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downloadTileAndPutInCache(tileIndex);
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}
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return nullptr;
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}
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void TwmsTileProvider::downloadTileAndPutInCache(const TileIndex& tileIndex) {
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// download tile
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std::stringstream ss;
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std::string baseUrl = "https://map1c.vis.earthdata.nasa.gov/wmts-geo/wmts.cgi?TIME=2016-04-17&layer=MODIS_Terra_CorrectedReflectance_TrueColor&tilematrixset=EPSG4326_250m&Service=WMTS&Request=GetTile&Version=1.0.0&Format=image%2Fjpeg";
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ss << baseUrl;
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ss << "&TileMatrix=" << tileIndex.level;
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ss << "&TileCol=" << tileIndex.x;
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ss << "&TileRow=" << tileIndex.y;
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std::string twmsRequestUrl = ss.str();
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using ghoul::filesystem::File;
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std::string filename = "tiles/tile" + twmsRequestUrl.substr(baseUrl.length()) + ".jpg";
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File localTileFile(filename);
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bool overrideFile = true;
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struct OnTileDownloaded {
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HashKey key;
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LRUCache<HashKey, std::shared_ptr<Texture>> * tileCache;
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OnTileDownloaded(HashKey key, LRUCache<HashKey, std::shared_ptr<Texture>> * tileCache)
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: key(key)
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, tileCache(tileCache)
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{
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}
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void operator()(const DownloadManager::FileFuture& ff) const {
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LDEBUG("Download of tile with hashkey " << key << " done!");
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auto textureReader = ghoul::io::TextureReader::ref();
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std::shared_ptr<Texture> texture = std::move(textureReader.loadTexture(absPath(ff.filePath)));
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tileCache->put(key, texture);
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LDEBUG("Cache updated");
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}
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};
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OnTileDownloaded onTileDownloaded(tileIndex.hashKey(), &_tileCache);
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std::shared_ptr<DownloadManager::FileFuture> ff = DownloadManager::ref().downloadFile(twmsRequestUrl, localTileFile, overrideFile, onTileDownloaded);
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}
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} // namespace openspace
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*/ |