Quintiq file version 2.0
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#parent: #root
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Method DoGetCapabilities
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{
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#keys: '1[103544.0.740661339]'
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TextBody:
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[*
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// Administrator Mar-12-2012 (created)
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utils := this.LibOSM_Utils();
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result := this.Result();
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mapcapabilitieshandle := result.GetHandle( "mapcapabilities" );
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tiledhandle := result.GetHandle( "tiled" );
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widthhandle := result.GetHandle( "width" );
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heighthandle := result.GetHandle( "height" );
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srswkthandle := result.GetHandle( "srswkt" );
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boundingboxhandle := result.GetHandle( "boundingbox" );
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lefttophandle := result.GetHandle( "lefttop" );
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xhandle := result.GetHandle( "x" );
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yhandle := result.GetHandle( "y" );
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rightbottomhandle := result.GetHandle( "rightbottom" );
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originhandle := result.GetHandle( "origin" );
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formathandle := result.GetHandle( "format" );
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resolutionshandle := result.GetHandle( "resolutions" );
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resolutionhandle := result.GetHandle( "resolution" );
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cachecapabilitieshandle := result.GetHandle( "cachecapabilities" );
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maxnrtileshandle := result.GetHandle( "maxnrtiles" );
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resultroot := result.Root();
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mapcapabilities := resultroot.AddChild( mapcapabilitieshandle );
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tiled := mapcapabilities.AddChild( tiledhandle );
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tiled.AddChild( widthhandle, 256 );
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tiled.AddChild( heighthandle, 256 );
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srswkt := tiled.AddChild( srswkthandle );
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srswkt.SetValue( LibOSM_OSMGISLibrary::GetMapSRSWKT() );
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boundingbox := tiled.AddChild( boundingboxhandle );
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lefttop := boundingbox.AddChild( lefttophandle );
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lefttop.AddChild( xhandle, -20037508.34 );
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lefttop.AddChild( yhandle, 20037508.34 );
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rightbottom := boundingbox.AddChild( rightbottomhandle );
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rightbottom.AddChild( xhandle, 20037508.34 );
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rightbottom.AddChild( yhandle, -20037508.34 );
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origin := tiled.AddChild( originhandle );
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origin.AddChild( xhandle, -20037508.34 );
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origin.AddChild( yhandle, -20037508.34 );
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format := tiled.AddChild( formathandle );
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format.SetValue( LibOSM_OSMGISLibrary::GetDefaultImageFormat() );
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resolutions := tiled.AddChild( resolutionshandle );
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// resolution: map units per pixel (map units are typically degrees or meters)
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// References:
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// http://wiki.openstreetmap.org/wiki/FAQ#What_is_the_map_scale_for_a_particular_zoom_level_of_the_map.3F
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// http://almien.co.uk/OSM/Tools/Scale/
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// http://wiki.openstreetmap.org/wiki/Slippy_map_tilenames
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// http://www.maptiler.org/google-maps-coordinates-tile-bounds-projection/
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// The resolution of the zoom level 0 is ( 2 * 20037508.34 ) / 256 = 156543.03390625
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// The resolution of zoom level i is resolution_zoom_level_(i-1) / 2, i >= 1, i < = 18
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// To preserve as much precision as possible, the divisions were made using the exact value of the resolution of the previous level; however, the results were truncated to 8 digits of precision.
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resolutions.AddChild( resolutionhandle, 156543.03390625 ); // Zoom level 0 (1 tile)
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resolutions.AddChild( resolutionhandle, 78271.51695312 ); // Zoom level 1 (2x2 = 4 tiles); exact value: 78271.516953125
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resolutions.AddChild( resolutionhandle, 39135.75847656 ); // Zoom level 2 (4x4 = 16 tiles); exact value: 39135.7584765625
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resolutions.AddChild( resolutionhandle, 19567.87923828 ); // Zoom level 3; exact value: 19567.87923828125
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resolutions.AddChild( resolutionhandle, 9783.93961914 ); // Zoom level 4; exact value: 9783.939619140625
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resolutions.AddChild( resolutionhandle, 4891.96980957 ); // Zoom level 5; exact value: 4891.9698095703125
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resolutions.AddChild( resolutionhandle, 2445.98490478 ); // Zoom level 6; exact value: 2445.98490478515625
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resolutions.AddChild( resolutionhandle, 1222.99245239 ); // Zoom level 7; exact value: 1222.992452392578125
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resolutions.AddChild( resolutionhandle, 611.49622619 ); // Zoom level 8; exact value: 611.4962261962890625
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resolutions.AddChild( resolutionhandle, 305.74811309 ); // Zoom level 9; exact value: 305.74811309814453125
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resolutions.AddChild( resolutionhandle, 152.87405654 ); // Zoom level 10; exact value: 152.874056549072265625
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resolutions.AddChild( resolutionhandle, 76.43702827 ); // Zoom level 11; exact value: 76.4370282745361328125
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resolutions.AddChild( resolutionhandle, 38.21851413 ); // Zoom level 12; exact value: 38.21851413726806640625
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resolutions.AddChild( resolutionhandle, 19.10925706 ); // Zoom level 13; exact value: 19.109257068634033203125
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resolutions.AddChild( resolutionhandle, 9.55462853 ); // Zoom level 14; exact value: 9.5546285343170166015625
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resolutions.AddChild( resolutionhandle, 4.77731426 ); // Zoom level 15; exact value: 4.77731426715850830078125
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resolutions.AddChild( resolutionhandle, 2.38865713 ); // Zoom level 16; exact value: 2.388657133579254150390625
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resolutions.AddChild( resolutionhandle, 1.19432856 ); // Zoom level 17; exact value: 1.1943285667896270751953125
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resolutions.AddChild( resolutionhandle, 0.59716428 ); // Zoom level 18; exact value: 0.59716428339481353759765625
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cachecapabilities := tiled.AddChild( cachecapabilitieshandle );
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cachecapabilities.AddChild( maxnrtileshandle, utils.GetOrCorrectMaxNrTilesSetting() );
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utils.DebugDump( "getcapabilities_result.txt", resultroot );
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this.Done();
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*]
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}
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