gdal_translate -of GTiff -co TILED=YES -co COMPRESS=JPEG input.tif output.tif<\/code><\/pre>\n\n\n\n\u505a\u5b8ctiles\u662f\u80fd\u663e\u793a\u4e86\uff0c\u4f46\u5185\u5b58\u7206\u70b8\uff0c\u800c\u4e14\u52a0\u8f7d\u5de8\u6162\uff0c\u518d\u505a\u4e2aBuild overviews<\/p>\n\n\n\n
gdaladdo --config BIGTIFF YES -r nearest D:\\coding\\testdata\\output.tif 2 4 8 16<\/p>\n\n\n\n
\u8fd9\u6837\u5c31\u80fd\u6b63\u5e38\u8bfb\u53d6\u4e86<\/p>\n\n\n\n
\u663e\u793a\u9ad8\u7a0b\u7684\u8bdd\u6bd4\u8f83\u7b80\u5355\uff0c\u4e00\u6837\u7684\u52a0\u8f7dTMS\u5c31\u884c<\/p>\n\n\n\n
auto elevLayer2 = new TMSElevationLayer;\n elevLayer2->setURL(osgEarth::URI(\"http:\/\/readymap.org\/readymap\/tiles\/1.0.0\/116\/\"));\n elevLayer2->setVerticalDatum(\"egm96\");\n map->addLayer(elevLayer2);<\/code><\/pre>\n\n\n\n\u52a0\u8f7dmbtiles\u548cshp<\/h2>\n\n\n\n
\u52a0\u8f7dmbtiles<\/p>\n\n\n\n
#include <osgEarth\/EarthManipulator>\n#include <osgEarth\/MapNode>\n#include <osgEarth\/Threading>\n#include <osgEarth\/ShaderGenerator>\n#include <osgDB\/ReadFile>\n#include <osgGA\/TrackballManipulator>\n#include <osgUtil\/Optimizer>\n#include <iostream>\n#include <osgEarth\/Metrics>\n#include <osgEarth\/TMS>\n#include <osgEarth\/EarthManipulator>\n#include <osg\/ArgumentParser>\n#include <osgEarth\/GDAL>\n#include <osgEarth\/Notify>\n#include <osgEarth\/MBTiles>\nusing namespace osgEarth;\nusing namespace osgEarth::Util;\nint main()\n{\n\t_putenv_s(\"PROJ_LIB\", \"D:\\\\coding\\\\vcpkg\\\\installed\\\\x64-windows\\\\share\\\\proj\");\n\tosgEarth::initialize();\n\t\/\/create a viewer\n\tosgViewer::Viewer viewer;\n\tviewer.setUpViewInWindow(0, 100, 800, 600);\n\t\/\/ ? why\n\tviewer.setReleaseContextAtEndOfFrameHint(false);\n\t\/\/set camera manipulator\n\tviewer.setCameraManipulator(new EarthManipulator);\n\t\/\/ Map is datamodel for collection of layers.\n\tauto rootMap = new osgEarth::Map;\n\t\/\/GeoTiff Layer\n\tstd::string worldTifFilename = \"D:\/coding\/testdata\/world.tif\";\n\tauto gdalLayer = new GDALImageLayer();\n\tgdalLayer->setURL(osgEarth::URI(worldTifFilename));\n\t\/\/mbtiles layer\n\tstd::string mbtilesFilename = \"D:\/coding\/testdata\/world_countries.mbtiles\";\n\tauto mbtLayer = new MBTilesImageLayer();\n\tmbtLayer->setURL(osgEarth::URI(mbtilesFilename));\n\tosgEarth::GeoExtent mbtExtent = mbtLayer->getExtent();\n\t\/\/ MapNode is the render or visualization of Map.\n\tosg::ref_ptr<osgEarth::MapNode> rootMapNode = new osgEarth::MapNode(rootMap);\n\trootMap->addLayer(gdalLayer);\n\trootMap->addLayer(mbtLayer);\n\tviewer.setSceneData(rootMapNode);\n\t\/\/? what\n\treturn viewer.run();\n}<\/code><\/pre>\n\n\n\n\u663e\u793ashp\u82b1\u4e86\u8001\u5927\u52b2\u4e86\uff0c\u4e00\u4e2a\u662fmap\u5f97\u6539\u6210osg::ref_ptr<map> = new Map();\u4e0d\u77e5\u9053\u4e3a\u4ec0\u4e48\u5fc5\u987b\u662f\u8fd9\u79cd\u6307\u9488\u3002\u7b2c\u4e8c\u4e2a\u662f\u8001\u95ee\u9898\u4e86\uff0cproj.db\u7684\u7248\u672c\u95ee\u9898\uff0c\u5988\u7684\u8fd9\u4e2a\u95ee\u9898\u7ea0\u7f20\u6211\u5f88\u4e45\u4e86\uff0c\u6bcf\u6b21\u65b0\u7528\u4e00\u4e2a\u5730\u7406\u76f8\u5173\u7684\u5e93\u90fd\u4f1a\u6709\u65b0\u7684proj\u7248\u672c\u51fa\u6765\uff0c\u6211\u4e00\u5f00\u59cb\u770b\u5230\u62a5\u9519\u4e86\uff0c\u4f46\u662f\u6ca1\u5728\u610f\uff0c\u56e0\u4e3a\u6211\u89c9\u5f97\u65b0\u7248\u672c\u7684proj.db\u80fd\u517c\u5bb9\u8001\u7684\uff0c\u7ed3\u679c\u82b1\u4e86\u516d\u4e2a\u5c0f\u65f6\u624d\u6392\u67e5\u8fd9\u70b9\u3002\u3002\u3002\u89e3\u51b3\u65b9\u6cd5\u5f88\u7b80\u5355\uff0c\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\u628a\u539f\u6765postgresql\u5360\u7528\u7684proj\u5e93\u7684\u5730\u5740\u9876\u6389\u3002<\/p>\n\n\n\n
\u73b0\u5728\u4ee3\u7801\u957f\u8fd9\u6837<\/p>\n\n\n\n
#define NOMINMAX\n#include <osgViewer\/Viewer>\n#include <osgEarth\/Notify>\n#include <osgEarth\/EarthManipulator>\n#include <osgEarth\/MapNode>\n#include <osgEarth\/Threading>\n#include <osgEarth\/ShaderGenerator>\n#include <osgDB\/ReadFile>\n#include <osgGA\/TrackballManipulator>\n#include <osgUtil\/Optimizer>\n#include <iostream>\n#include <osgEarth\/Metrics>\n#include <osgEarth\/TMS>\n#include <osgEarth\/EarthManipulator>\n#include <osg\/ArgumentParser>\n#include <osgEarth\/ExampleResources>\n#include <osgEarth\/GDAL>\n#include <osgEarth\/Style>\n#include <osgEarth\/OGRFeatureSource>\n#include <osgEarth\/FeatureModelLayer>\n#include <osgEarth\/FeatureImageLayer>\n#include <osgEarth\/MBTiles>\n#include <osgEarth\/ContourMap>\n#include <osgEarth\/GLUtils>\n#include <osg\/LineWidth>\nusing namespace osgEarth;\nusing namespace osgEarth::Util;\n\nint main(int argc, char** argv)\n{\n _putenv_s(\"PROJ_LIB\", \"D:\\\\coding\\\\vcpkg\\\\installed\\\\x64-windows\\\\share\\\\proj\");\n \/\/ \u521d\u59cb\u5316osgEarth\n osgEarth::initialize();\n\n \/\/ \u89e3\u6790\u547d\u4ee4\u884c\u53c2\u6570\n osg::ArgumentParser args(&argc, argv);\n\n \/\/\u67e5\u770b\u8be6\u7ec6\u7684\u65e5\u5fd7\n \/\/osg::setNotifyLevel(osg::INFO);\n\n \/\/ \u521b\u5efaViewer\n osgViewer::Viewer viewer(args);\n \/\/ \u8bbe\u7f6e\u5730\u7403\u7684\u64cd\u7eb5\u5668\n viewer.setCameraManipulator(new osgEarth::EarthManipulator(args));\n viewer.setUpViewInWindow(0, 100, 1200, 800);\n viewer.setReleaseContextAtEndOfFrameHint(false); \n \/\/\u8bfb\u53d6shp\u5fc5\u987b\u7528osg::ref_ptr<Map>\u6307\u9488\u63a5map\u5bf9\u8c61\n osg::ref_ptr<Map> map = new Map();\n \n \/\/ \u6dfb\u52a0\u5728\u7ebf\u5730\u56fe\u5c42 (TMS \u74e6\u7247\u5730\u56fe)\n osgEarth::TMSImageLayer* imagery = new osgEarth::TMSImageLayer();\n imagery->setURL(\"https:\/\/readymap.org\/readymap\/tiles\/1.0.0\/7\/\");\n map->addLayer(imagery);\n\n \/\/\u6dfb\u52a0\u5728\u7ebf\u9ad8\u7a0b\n auto elevLayer2 = new TMSElevationLayer;\n elevLayer2->setURL(osgEarth::URI(\"http:\/\/readymap.org\/readymap\/tiles\/1.0.0\/116\/\"));\n elevLayer2->setVerticalDatum(\"egm96\");\n map->addLayer(elevLayer2);\n \/\/\u7ed8\u5236\u9ad8\u7a0b\u56fe\uff08\u8272\u5f69\u5316\uff09\n \/*ContourMapLayer::Options eOpts;\n ContourMapLayer::Options::Stop stop0, stop1, stop2, stop3, stop4;\n stop0.elevation = -625;\n stop0.color = osgEarth::Color(0, 0, 0.8, 1);\n stop1.elevation = 0.0;\n stop1.color = osgEarth::Color(0, 0.4, 1, 1);\n stop2.elevation = 10.0;\n stop2.color = osgEarth::Color(0, 1, 0, 1);\n stop3.elevation = 1000.0;\n stop3.color = osgEarth::Color(1, 1, 0, 1);\n stop4.elevation = 2000.0;\n stop4.color = osgEarth::Color(1, 0, 0, 1);\n eOpts.stops().push_back(stop0);\n eOpts.stops().push_back(stop1);\n eOpts.stops().push_back(stop2);\n eOpts.stops().push_back(stop3);\n eOpts.stops().push_back(stop4);\n auto contour = new ContourMapLayer(eOpts);*\/\n \n \/\/\u6dfb\u52a0\u672c\u5730\u5c40\u90e8\u9ad8\u5206\u5f71\u50cf\uff08geotiff\uff09\n \/*std::string myTifFilename = \"D:\/coding\/testdata\/kenli.tif\"; \n auto gdalLayer = new osgEarth::GDALImageLayer();\n gdalLayer->setURL(osgEarth::URI(myTifFilename));\n map->addLayer(gdalLayer);*\/\n\n \/\/\u6dfb\u52a0mbtiles\n \/\/std::string mbtilesFilename = \"D:\/coding\/testdata\/world.mbtiles\"; \n \/\/osg::ref_ptr<MBTilesImageLayer> mbtLayer = new MBTilesImageLayer(); \n \/\/mbtLayer->setURL(osgEarth::URI(mbtilesFilename));\n \/\/map->addLayer(mbtLayer);\n\n \/\/\u6dfb\u52a0shp\u6587\u4ef6\n OGRFeatureSource* features = new OGRFeatureSource();\n features->setURL(\"D:\/coding\/testdata\/world.shp\");\n map->addLayer(features);\n \/\/\u8bbe\u7f6estyle\n Style style;\n \/\/\u8bbe\u7f6e\u7ebfstyle\n LineSymbol* ls = style.getOrCreateSymbol<LineSymbol>();\n ls->stroke()->color() = Color::Yellow; \/\/\u7ebf\u8272\n ls->stroke()->width() = 4;\/\/ \u7ebf\u5bbd\uff0c\u9ed8\u8ba4\u5355\u4f4d\u662f\u50cf\u7d20\n ls->tessellationSize()->set(10, Units::KILOMETERS);\/\/Tessellate the line geometry such that no segment is longer than this value\n \/\/ \u8bbe\u7f6e\u586b\u5145\u7b26\u53f7\uff08\u5982\u679c\u662f\u591a\u8fb9\u5f62\uff09\n \/\/PolygonSymbol* polygonSymbol = style.getOrCreate<PolygonSymbol>();\n \/\/polygonSymbol->fill()->color() = Color(Color::Green, 0.5); \/\/ \u7eff\u8272\u586b\u5145\uff0c50%\u900f\u660e\u5ea6\n \/\/\u8bbe\u7f6e\u9ad8\u7a0bstyle\n AltitudeSymbol* alt = style.getOrCreate<AltitudeSymbol>();\n alt->clamping() = alt->CLAMP_TO_TERRAIN;\/\/ \u8d34\u7d27\u5730\u9762\n alt->technique() = alt->TECHNIQUE_DRAPE;\n\n \/\/\u8bfb\u53d6shp\uff0c\u5efa\u7acb\u56fe\u5c42\u5e76\u8bbe\u7f6estyle\n osg::ref_ptr<FeatureModelLayer> shpLayer = new FeatureModelLayer();\n shpLayer->setName(\"Shapefile Layer\");\n shpLayer->setFeatureSource(features);\n StyleSheet* styleSheet = new StyleSheet();\n styleSheet->addStyle(style);\n shpLayer->setStyleSheet(styleSheet);\n shpLayer->getOrCreateStateSet()->addUniform(new osg::Uniform(\"oe_GL_LineStipplePattern\", (int)0xffff), osg::StateAttribute::ON);\/\/\u8fd9\u884c\u4ee3\u7801\u5f88\u91cd\u8981\u5fc5\u987b\u8bbe\u7f6eoe_GL_LineStipplePattern \u4e3a 0xffff\n map->addLayer(shpLayer);\n\n osg::ref_ptr<osgEarth::MapNode> mapNode = new osgEarth::MapNode(map.get());\n \/\/ \u8bbe\u7f6e\u573a\u666f\u6570\u636e\n viewer.setSceneData(mapNode);\n \/\/ \u8fd0\u884cviewer\n \/\/return Metrics::run(viewer);\n return viewer.run();\n}<\/code><\/pre>\n\n\n\n\u663e\u793aWFS\u56fe\u5c42<\/h2>\n\n\n\n
\u5173\u4e8epostgis\u3001geoserver\u53d1\u5e03wfs\u56fe\u5c42\u4e4b\u524d\u535a\u5ba2\u6709\u8bb0\u5f55<\/p>\n\n\n\n
\u4f7f\u7528geoserver\u7684\u5168\u7403\u5730\u56fe\u793a\u4f8b<\/p>\n\n\n\n
\/\/\u52a0\u8f7dwfs\u56fe\u5c42\n std::string source = \"http:\/\/localhost:8084\/geoserver\/ne\/ows?\";\n osg::ref_ptr<WFSFeatureSource> wfsSource = new WFSFeatureSource;\n wfsSource->setURL(osgEarth::URI(source));\n wfsSource->setTypeName(\"countries\");\n \/\/wfsSource->setOutputFormat(\"gml2\");\n wfsSource->setOutputFormat(\"json\");\n\n osg::ref_ptr<FeatureModelLayer> wfsLayer = new FeatureModelLayer();\n wfsLayer->setName(\"wfs Layer\");\n wfsLayer->setFeatureSource(wfsSource);\n map->addLayer(wfsLayer);<\/code><\/pre>\n\n\n\n\u9057\u61be\u7684\u662f\u5e76\u4e0d\u80fd\u6210\u529f\u8bfb\u53d6\uff0cwfsSource\u8fd9\u6b65\u6ca1\u80fd\u8bfb\u53d6\u5230\u4efb\u4f55\u4fe1\u606f\uff0c\u770b\u4e86\u6e90\u7801\u56db\u4e2a\u5c0f\u65f6\u4e5f\u4e0d\u77e5\u9053\u95ee\u9898\u51fa\u5728\u54ea\u3002\u68c0\u67e5\u4e86\u6e90\u7801\u4e2durl\u7684\u62fc\u63a5\u65b9\u6cd5\uff0c\u6211\u80fd\u786e\u8ba4\u8fd9\u6837\u8bbe\u7f6eurl\u3001typename\u548coutputFormat\u662f\u80fd\u6b63\u786e\u62fc\u63a5\u7684\uff0c\u4f46\u4e0d\u77e5\u9053\u4e3a\u4ec0\u4e48\u4e0d\u80fd\u6b63\u5e38\u8bfb\u53d6\u3002<\/p>\n\n\n\n
\u53bbgithub\u4e0a\u63d0\u4e86\u4e2adiscussion\u5e0c\u671b\u6709\u597d\u5fc3\u4eba\u6551\u6551\u3002\u8bdd\u8bf4\u6211\u76ee\u524d\u9700\u8981\u7684\u662f\u4e00\u4e2a\u80fd\u9ad8\u6027\u80fd\u52a0\u8f7d\u5927\u89c4\u6a21\u77e2\u91cf\u6570\u636e\u5e76\u6e32\u67d3\u7684\u6a21\u5f0f\uff0c\u660e\u5929\u8bd5\u4e00\u8bd5\u76f4\u63a5\u8bfb\u53d6postgis\u6216SQLite\/SpatiaLite\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u73af\u5883\u914d\u7f6e \u9996\u5148\u7f16\u8bd1OSGEarth \u7528vcpkg\u7f16\u8bd1\u5f88\u65b9\u4fbf\uff0c\u5982\u679c\u6e90\u7801\u7f16\u8bd1\u7684\u8bdd\u524d\u7f6e\u4f9d\u8d56\u5e93\u592a\u591a\u4e86\u5f88\u590d\u6742\u3002 C++\u7b2c\u4e09\u65b9\u5e93\u7ba1\u7406\u5de5\u5177vcp …<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1363","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.gislxz.com\/index.php\/wp-json\/wp\/v2\/posts\/1363","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gislxz.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gislxz.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gislxz.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gislxz.com\/index.php\/wp-json\/wp\/v2\/comments?post=1363"}],"version-history":[{"count":8,"href":"https:\/\/www.gislxz.com\/index.php\/wp-json\/wp\/v2\/posts\/1363\/revisions"}],"predecessor-version":[{"id":1379,"href":"https:\/\/www.gislxz.com\/index.php\/wp-json\/wp\/v2\/posts\/1363\/revisions\/1379"}],"wp:attachment":[{"href":"https:\/\/www.gislxz.com\/index.php\/wp-json\/wp\/v2\/media?parent=1363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gislxz.com\/index.php\/wp-json\/wp\/v2\/categories?post=1363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gislxz.com\/index.php\/wp-json\/wp\/v2\/tags?post=1363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}