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Working with 3D in 10.1 Kevin Armstrong
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Agenda
• Working with LiDAR in ArcGIS - Terrain dataset - LAS Dataset - Mosaic Dataset
• Demo - LAS Dataset • 3D Design • Demo - City Engine
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Types of lidar
• Airborne - Captured from aircraft - Suitable for surface analysis
• Terrestrial
- Captured from the ground - Suitable for feature location and data validation
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ArcGIS Versions
• Current release - 10.0 - Support for Lidar includes Terrain, Mosaic dataset
• Upcoming release - 10.1 (June 2012) - New data-type being added – LAS Dataset
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Terrain Dataset
• Multi-resolution surface • Typical applications
- Topographic mapping - Bathymetric mapping
• Typical data sources - Lidar - Photogrammetry - Multibeam Sonar
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Terrain Benefits
• Scalability • Data Integration • Database oriented solution
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LAS Dataset
• New data type • File based • Stores references to LAS files on disk • Optionally reference constraints such as breakline
data • Treats a collection of LAS files as one logical dataset
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Project Workflow in ArcGIS 10.1
LAS files LAS Dataset
• Direct access to LAS • Create LAS Dataset
- Catalog of LAS files for a project
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Viewing lidar
• In 2D (ArcMap) or 3D (ArcScene)… • As points
• Symbolize using LAS attributes
(Class Codes, RGB, Scan Angle, etc)
• As a surface • Symbolize & filter using surface options
(Bare-earth, First-return, etc)
• Control the number of points shown • Full resolution in a local area
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LAS Dataset - Editing
• Manual editing (data errors, mis-classifications)
• Using Geo – processing tools
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LAS Dataset
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Analysis of lidar as a surface
• Define the surface… - Filter the lidar points based
on lidar attributes
- Improve the surface
using constraint features
• Run GIS analysis against it… - Contours, Slope, Aspect, … - Surface differences
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Available GP Tools
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Management and sharing
• Manage lidar like imagery via Mosaic Datasets
- Add / remove LAS files - Add / remove LAS datasets
• Share the data as Image services
- Easy for others to see available lidar - Easy to download for project work
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Multiple Elevation Data Sources
Web Mobile Desktop
Mosaic Dataset
Constraints
LAS files LAS Dataset Terrains Raster grids
• Catalog of data sources • Contains metadata • Defines processing • Serve to many applications
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Dissemination
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Usage Recommendations
• Most suitable for working with airborne Lidar data • Classified LAS files organized as ‘tiles’ • All participating LAS files with the same Spatial
Reference (Projected Coordinate System) • Project-based / Localized in scope • Data on a local disk
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City Engine
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Introduction to CityEngine 3D modeling and design solution
• What is Esri CityEngine?
• Current markets
• Product positioning
• Integration with ArcGIS
Makes it easier to create and design in 3D
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Esri CityEngine 3D procedural modeling and design solution
- 3D Content - Model cities in 3D using
parametric rules
- 3D Design - Rule driven design in 3D
Rule based 3D content and design
Geometry + Attributes + Rules
Dynamic + Parametric editing
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Procedural modeling vs. Manual modeling
Time reduction / cost saving
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Current markets CityEngine
- Urban Planning & Architectural Visualization Foster & Partners, Grimshaw,…
- Local government
- Singapore, Brisbane, …
- Simulation & Defense Thales, CS, Raytheon,…
- Entertainment
- Pixar, DreamWorks, Weta Digital,….
- Academia - MIT, ETH, Stanford,….
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Product positioning Procedural modeling and design solution
- 3D urban content creator
- 3D cities from existing GIS data (Geometry + Attributes + Rules)
Not as-built -> approximation
- 3D design tool
- Rule based design of 3D cities Using planning regulations etc
Rule based 3D content and design
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• Property • Regulatory
Department geodatabases
Lidar
Central Geodatabase
DBMS GDB
CityEngine
3D content creation
Public
3DGIS services
•Compile •Manage •Analyze
Interiors Imagery 3D buildings
2D
3D
templates
Geospatial experts •Visualize
•Query
Product positioning CityEngine is part of the ArcGIS system
Domain experts
•Visualize •Query •Design •Analyze
CE
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Integration with ArcGIS Short-term
- CityEngine - 2011 release: October 26, 2011 EUC Madrid
Enhanced ArcGIS integration - File GDB - Basic projection support
- 2012 release: Q2 2012 Tight ArcGIS integration
- CityEngine server / API - WebGL - Multipatches with textures - Enhance streets
- ArcGIS - Templates / styles - Documentation
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Useful links CityEngine 2011
- Support - http://support.esri.com
- Marketing - Product: http://www.esri.com/software/cityengine/index.html - Resource Center: http://resources.arcgis.com/content/cityengine/about
online tutorial, videos, blog, forum, templates
- Forum: http://forums.arcgis.com/ - Ideas:
http://ideas.arcgis.com/ideaList?c=09a300000004xET&category=Esri+CityEngine
- Training - http://training.esri.com
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City Engine
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