GIS for 3D Object Generation, Modelling, and Exploitation. Paul Hardy Esri

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1 GIS for 3D Object Generation, Modelling, and Exploitation Paul Hardy Esri

2 ArcGIS has long understood 3D Multipatch data type in geodatabase - 3D volumetric objects - Collection of triangles, strips, fans, and rings - Stores texture, colour, transparency, and lighting within the geometry Also DEMs, DSMs, TINs, 3D vectors 3D symbology See previous EuroSDR paper From 2d to 3D at Esri 2

3 3D Across the ArcGIS Platform Manage Multiscale 3D Models 3D Geodesign ArcGIS for 3D Cities Share 3D scenes Surface modeling Native lidar support 3D on all Clients 3D Analysis 3

4 What is ArcGIS for 3D Cities? Ready-to-use Workflows, Tools, Models and Sample Data for Urban Management 3D Cities Information Model Create 3D City Base Layers Build a 3D Campus Map Visualize 3D Understand Zoning Economic Analysis - Solar potential, Manage Public Safety 3DCIM Rule Packages ETL/GP Tools Check out the workflows now: 4

5 3D Cities Information Model: Themes Built Environment - Created and actively managed by people - Structures, utilities, transportation networks, installations Legal Environment - Defines restrictions on land use - Land use zones, property ownership boundaries, regulations Natural Environment - Naturally occurring features on, above, or below the earth s surface - Land cover, subsurface geology, atmosphere/climate/weather 5

6 Built Environment: Buildings Connecting 2D and 3D Buildings The Building (Footprint object) carries most of the attribute information. BuildingShell represents the complete outer shell in 3D: - Procedural, or Measured BuildingShellParts can be used when separate processes for roofs, walls, and foundations are needed. 6

7 Built Environment: Building Interiors (LoD4) Seamless usage of interior/exterior data Building interior data: - Building - Floor - Space - Structure - Entrance Used in analysis: - Query (where/who) - Routing - Asset allocation 7

8 Built Environment: Installations Things in the city other than buildings streets and water Street Furniture - Fire hydrants - Benches - Bike racks - Trash cans - Kiosks - Poles Vegetation - Trees 8

9 Legal Environment: Regulations Height Parcel Setbacks Attribute Type Setback Front Min 5, max 15 Setback Sides Min 8 Roof Type Flat Total Height Max 40 Site Coverage 0.6 FAR Max 1.2 Levels Above Ground Units per Parcel Max 4 Max 4 9

10 The Natural Environment Land Cover Subsurface Geology Wind & Weather Atmosphere & Pollution 10

11 3D City Base Layers Buildings 3D Buildings Multiple Levels of Detail LoD1 11

12 3D City Base Layers Buildings 3D Buildings Multiple Levels of Detail LoD2 12

13 3D City Base Layers Trees 3D Buildings Trees 13

14 3D City Base Layers Water Bodies 3D Buildings Trees Water Bodies 14

15 3D City Base Layers Basemap Skin 3D Buildings Trees Water Bodies Basemap Skin 15

16 3D City Base Layers Terrain 3D Buildings Trees Water Bodies Basemap Skin Terrain 16

17 3D City Base Layers Forms a 3D basemap 3D Buildings Trees Water Bodies Basemap Skin Terrain 17

18 3DCIM Interoperable with CityGML Use 3DCIM Perform ArcGIS Analytics Generate Procedural Content Create High-Performance 3D Visualisations Manage & Maintain Data Sets Use CityGML Exchange with Partners, Clients Provide Data in Open Infrastructure Satisfy Reporting Requirements

19 Lossless In/Out of 17 core CityGML Feature Classes Building, BuildingPart Roof-, Wall-, GroundSurface Room BuildingFurniture IntBuildingInstallation BuildingInstallation Opening, Window, Door FloorSurface InteriorWallSurface PlantCover SolitaryVegetationObject CityFurniture TrafficArea Address LandUse WaterBody & Surface 3D Cities Information Model in File GDB 19

20 Example Mapping for Building Building Building LoD1 <<includes>> Solid GroundPlate BuildingShell Level: 1..4 LoD2 <<includes>> Wall Roof <<aggregated to>> BuildingShellPart LoD3 Ext.Installation,.. <<includes>> InteriorWall InteriorStructure LoD4 InteriorInst. InteriorInst. Room,... InteriorSpace 20

21 Esri Base Scenes Earth Scene World Landscape scene City Scenes Campus/Interior Scenes 21

22 3D City Base Layers ArcGIS for Professionals Workflows 22

23 3D City Base Layers Building Height Tool Extruding footprints to LoD1 Using DSM/DEM (from LiDAR) 23

24 3D City Base Layers Tree Height Tool 24

25 Auto tree extraction from LiDAR plus Imagery Research coming to fruition Detail Overview Extracted millions of trees 25

26 LoD2 Building extraction Extracting roof shapes from DSM/DEM (from LiDAR) Two approaches being investigated Still at research stage 26

27 CityEngine - Procedural modeling 3D model creation using rules / algorithms Base geometry Procedural rules Base geometry Iterative refinement Final 3D model iteratively refine a design by creating more and more detail

28 Realistic city in CityEngine Extruded buildings Generated details Textured facades Streets Furniture Trees 28

29 Web Scene in Browser App 29

30 3D Base Scene in Browser App 30

31 3D Base Scene for Thematic Analysis 31

32 ArcGIS Web Scene 2.0 Streamed 3D Item on ArcGIS Online Mash-up of streaming 3D / 2D layers 3D Symbology 3D Labels 3D Scene Navigation 3D Environment

33 ArcGIS Desktop 3D at 10.3 ArcGIS Pro - Integrated experience to create, manage, and explore data in 2D & 3D - Create 3D data and scenes from 2D data - Built-in rules for buildings and trees support urban and campus visualization and analytics 33

34 Work in 3D anywhere Desktop Web Device 3D across the platform

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