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b219638e29
Enables globe-browsing data to be cached using caching mrf's as it is loaded from the original dataset. Subsequent reads of tiles that have been cached do not query the original dataset but picks it up from the mrf data.
Supports anything that can be used a dataset for a gdal raster but raw images such as JPGs are explicitly disallowed as they lack necessary geotransform data.
Activated on a global scale by setting the following keys in openspace.cfg (ModuleConfigurations/GlobeBrowsing)
MRFCacheEnabled = true,
MRFCacheLocation = "<somepath>",
Settings can be overriden on a per-layer basis by adding the following entries to the layer entity of an asset
CacheSettings = { Enabled = true, Compression = "LERC", BlockSize = 512, Quality=25 },
The following per-layer settings are available and override the global module settings:
Enabled : enable/disable caching for this layer.
Compression: The compression algorithm to use for tile cache storage. (JPEG, PNG, or LERC)
BlockSize: Size of tiles in cache, should be a multiple of 2 although this is not required.
Quality: The quality setting of the JPEG compression (when used)
Note that heightlayers must use LERC compresison and this is the default unless overridden by a layer.
132 lines
5.5 KiB
C++
132 lines
5.5 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2023 *
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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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#ifndef __OPENSPACE_MODULE_GLOBEBROWSING___GLOBEBROWSING_MODULE___H__
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#define __OPENSPACE_MODULE_GLOBEBROWSING___GLOBEBROWSING_MODULE___H__
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#include <openspace/properties/stringproperty.h>
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#include <openspace/properties/scalar/boolproperty.h>
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#include <openspace/properties/scalar/uintproperty.h>
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#include <openspace/util/openspacemodule.h>
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#include <ghoul/glm.h>
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#include <memory>
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#include <future>
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namespace openspace::globebrowsing {
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class RenderableGlobe;
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struct TileIndex;
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struct Geodetic2;
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struct Geodetic3;
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namespace cache { class MemoryAwareTileCache; }
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} // namespace openspace::globebrowsing
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namespace openspace {
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class Camera;
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class GlobeBrowsingModule : public OpenSpaceModule {
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public:
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constexpr static const char* Name = "GlobeBrowsing";
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GlobeBrowsingModule();
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void goToChunk(const globebrowsing::RenderableGlobe& globe, int x, int y, int level);
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void goToGeo(const globebrowsing::RenderableGlobe& globe,
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double latitude, double longitude);
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void goToGeo(const globebrowsing::RenderableGlobe& globe,
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double latitude, double longitude, double altitude);
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glm::vec3 cartesianCoordinatesFromGeo(const globebrowsing::RenderableGlobe& globe,
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double latitude, double longitude, double altitude);
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glm::dvec3 geoPosition() const;
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globebrowsing::cache::MemoryAwareTileCache* tileCache();
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scripting::LuaLibrary luaLibrary() const override;
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std::vector<documentation::Documentation> documentations() const override;
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const globebrowsing::RenderableGlobe* castFocusNodeRenderableToGlobe();
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struct Layer {
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std::string name;
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std::string url;
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};
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using Capabilities = std::vector<Layer>;
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// Stores the mapping between globe to names
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struct UrlInfo {
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std::string name;
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std::string url;
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};
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// Registers then user-usable name
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void loadWMSCapabilities(std::string name, std::string globe, std::string url);
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Capabilities capabilities(const std::string& name);
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std::vector<UrlInfo> urlInfo(const std::string& globe) const;
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bool hasUrlInfo(const std::string& globe) const;
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void removeWMSServer(const std::string& name);
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bool isMRFCachingEnabled() const;
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const std::string mrfCacheLocation() const;
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protected:
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void internalInitialize(const ghoul::Dictionary&) override;
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private:
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void goToChunk(const globebrowsing::RenderableGlobe& globe,
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const globebrowsing::TileIndex& ti, glm::vec2 uv, bool doResetCameraDirection);
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void goToGeodetic2(const globebrowsing::RenderableGlobe& globe,
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globebrowsing::Geodetic2 geo2, bool doResetCameraDirection);
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void goToGeodetic3(const globebrowsing::RenderableGlobe& globe,
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globebrowsing::Geodetic3 geo3, bool doResetCameraDirection);
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glm::dquat lookDownCameraRotation(const globebrowsing::RenderableGlobe& globe,
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glm::dvec3 cameraPositionModelSpace, globebrowsing::Geodetic2 geo2);
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properties::UIntProperty _tileCacheSizeMB;
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properties::BoolProperty _mrfCacheEnabled;
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properties::StringProperty _mrfCacheLocation;
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std::unique_ptr<globebrowsing::cache::MemoryAwareTileCache> _tileCache;
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// name -> capabilities
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std::map<std::string, std::future<Capabilities>> _inFlightCapabilitiesMap;
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// name -> capabilities
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std::map<std::string, Capabilities> _capabilitiesMap;
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std::multimap<std::string, UrlInfo> _urlList;
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};
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} // namespace openspace
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#endif // __OPENSPACE_MODULE_GLOBEBROWSING___GLOBEBROWSING_MODULE___H__
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