{ "project": "Predsjednički dvori / Vila Zagorje", "revision": "04", "retrieved": "2026-10-22", "originEPSG3765": [ 458121.1972264409, 5077737.8576533105 ], "originWGS84": [ 15.96088707, 45.83822183 ], "verticalOrigin": 300, "coordinateSystem": "x east, y source elevation minus 300m, z south; 1 world unit = 1 metre", "terrain": { "url": "https://tiles-eu1.arcgis.com/6BlpNMAIwm2EjKih/arcgis/rest/services/ZG_DTM_2024/ImageServer", "levels": [ { "name": "detail", "step": 1, "nx": 801, "ny": 801, "bounds": [ -400.0, -400.0, 400.0, 400.0 ], "min": 193.8586883544922, "max": 290.7262878417969 }, { "name": "context", "step": 4, "nx": 501, "ny": 501, "bounds": [ -1000.0, -1000.0, 1000.0, 1000.0 ], "min": 167.36407470703125, "max": 335.0574645996094 }, { "name": "horizon", "step": 50, "nx": 401, "ny": 401, "bounds": [ -10000.0, -10000.0, 10000.0, 10000.0 ], "min": 98.23160552978516, "max": 1027.7869873046875 } ], "source": "Grad Zagreb / multisensor aerial capture 2023", "verticalScale": 1, "method": "LERC decoding, bilinear reprojection EPSG3857 to EPSG3765. No synthetic elevation filling.", "horizonFallback": { "source": "https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer", "fraction": 0.12820193904266763, "reason": "Verified global elevation only beyond municipal DTM coverage; no synthetic heights." } }, "orthophoto": { "url": "https://tiles-eu1.arcgis.com/6BlpNMAIwm2EjKih/arcgis/rest/services/ZG_DOF_multisenz_2022/MapServer", "sourceDate": "2022/23", "method": "Original images unchanged. In reviewed near-park extent E[-355,-155], N[-240,65], source crowns and baked shadows are replaced in the terrain shader using sunlit photographed grass, asphalt or stone according to traced material masks; exposed stair tread detail retained. Ground restoration stays active when 3D trees are hidden.", "canopyRepair": "canopy-repair.json", "horizon": { "url": "https://services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer", "extentMetres": 20000, "pixels": 4096, "colored": true, "smallClearImageryPatches": "Same-source lower-resolution imagery for 1.36% blend footprint; see provenance/terrain-horizon-source.json" }, "groundRepair": "ground-repair-v4.json" }, "buildings": { "url": "https://services-eu1.arcgis.com/6BlpNMAIwm2EjKih/arcgis/rest/services/ZG3D_LOD2_2025_atributi/FeatureServer/0", "mainVillaId": 109367, "count": 742, "geometry": "Actual municipal LoD2 XYZ multipatches", "facades": "Photo/Earth reference reconstruction: recessed main glazing, north facade vent row, south terrace divisions, western annex window bands and glazed circular end. Subdivisions remain visual interpretation.", "canopyCorrection": "Open arrival canopy beneath western elevated terrace. Source wall triangles 348–393 excluded from main building 109367; original roofs and terrace footprint retained. Detached west annex retained. Revision 03 additionally opens north annex entrance canopy 99923 and clips only facade-height bands for recessed main glazing. All source roof and terrace vertices retained.", "overrides": "building-overrides.json" }, "vegetation": { "individualCrownInterpretations": 94, "inventoryFeatures": 0, "inventoryURLs": [ "https://gis.zagreb.hr/server/rest/services/Hosted/Katastar_zelenila_grafika/FeatureServer/0", "https://services-eu1.arcgis.com/6BlpNMAIwm2EjKih/arcgis/rest/services/ZG3D_stabla_2025_Z/FeatureServer/0" ], "method": "45 distinguishable near-palace crowns rechecked individually against orthophoto centers and Google Earth oblique silhouettes, with separate source-image and estimated model centers. Heights, widths, colors and architectures are visual estimates. Other woodland canopy remains approximate; no claim of exact Google Earth geometry or a complete surveyed tree inventory.", "sequoia": { "species": "Sequoiadendron giganteum, identified by user", "planted": 1963, "positionLocalEN": [ -220, -99 ], "positionBasis": "User correction: smaller modeled tree beside south terrace; approximate crown/stem registration", "heightMetres": 23, "heightBasis": "Provisional visual fit to oblique screenshots and known municipal roof dimensions; working range20–26 m. Not a measured height. The former 50 m assumption is withdrawn.", "appearance": "Dense broad evergreen crown, blunt rounded top and low foliage skirt, thick reddish fluted trunk; healthy condition per brief.", "crownRadiusMetres": 6 }, "northernGarden": "Dense full evergreen borders, small shrubs at margins and far end; open central lawn. Locations and dimensions are visual interpretations.", "geometry": "Six evergreen crown architectures, three nearby broadleaf architectures, individual height/radius/tint variation. Geometry uses folded branchlets and modeled leaves, not solid cone placeholders.", "recheckedCrowns": 45 }, "references": [ { "url": "https://vektra.net/en/project/pantovcak-vila-zagorje-i-vila-prekrizje/", "image": "https://vektra.net/wp-content/uploads/2017/10/DSC04767.jpg", "purpose": "Visual reference only; photo not redistributed" }, { "source": "User-provided Google Maps screenshot", "purpose": "Correct building identification and visual crown reference" }, { "url": "https://vijesti.hrt.hr/hrvatska/incident-na-pantovcaku-muskarac-pokusao-uci-u-ured-predsjednika-12320998", "image": "https://api.hrt.hr/media/fc/b8/pxl-091230-322-20250905161803.webp", "observed": "Southwest view: open arrival passage under western upper terrace, dark round columns, stone lower core facade." }, { "url": "https://www.vecernji.hr/vijesti/virtualna-setnja-pogledajte-kako-izgleda-privremeni-ured-kolinde-grabar-kitarovic-988714/galerija-124218?page=1", "image": "https://www.vecernji.hr/media/img/10/49/7d670ebbccb2154d9224.jpeg", "credit": "Ured predsjednika", "observed": "Open arrival canopy with ribbed dark circular column, timber soffit and white beams." }, { "userPhoto": "01-57092.jpg", "observed": "Southern field view confirms open passage on left/west and stone lower-facade bays." }, { "source": "User field photos 01-57092.jpg through 05-57114.jpg", "purpose": "South facade, terrace extent, mammoth-tree form and park vegetation. Photos used as reference only." }, { "source": "User-provided Google Earth oblique screenshots01-59630.jpg through10-59639.jpg", "purpose": "Relative canopy heights, crown forms, northern garden structure, villa/annex facades. Images used only as visual references, not redistributed." } ], "limits": [ "Working visualization; LiDAR, tree survey and measured facade drawings remain to be integrated.", "Mammoth tree planting year 1963 supplied by user; 23 m model height is provisional visual fit, not a measurement.", "Column spacing, facade subdivisions, tree heights and stem positions are photographic estimates.", "Baked crown shadows are locally removed in the reviewed immediate park. Outside the reviewed extent, original baked shadows remain in the wider ortho context.", "Far horizon is lower-resolution textured terrain; individual distant trees/buildings are intentionally omitted." ], "rendering": { "lighting": "Same HDR/solar basis as Perušić reference", "contactOcclusion": "Perušić cached SSAO pipeline, excluding fine foliage and distant terrain", "verification": "Shared terrain repair GLSL rendered without trees; actual exported geometry inspected in native EGL at 09:00,15:30 and with dynamic shadows off. Browser WebGL/HDR output remains unverified because the available cloud browser graphics context is disabled. No claim of verified photorealistic equivalence to Perušić or Google Earth." } }