hawaii pacific gis conference 2012: 3d gis - true 3d gis buildings: honolulu area 3d buildings...
TRANSCRIPT
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Enhancing Honolulu
GIS with
high resolution 3D
Buildings
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Genesis of the
Honolulu 3D City
Model
• Originally created for Google, Inc. (featured on
Earth and Mobile Maps)
• Created from Photogrammetry
• High resolution aerial images
• Re-processed to become the first “True” 3D GIS
City Model of Honolulu for Esri applications
• 14 Feature GIS Classes
• Now available “off-the-shelf” for public and
private use
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Photogrammetric Modeling Work Flow
4
3 2 1
Post-edited
buildings
Raw Data Stereo Pairs Capturing Point Clouds
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Processing the Measurements into GIS
Data Fields
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City of Honolulu 3D City Model
• Created from 4-inch stereo
images
• 6,333 Buildings
• 11 square kilometers
• Includes roof detail and
superstructures
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Area Coverage (CyberCity 3D web page)
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Honolulu 3D City Model Feature
Classes
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GIS Products Product Deliverable Data Type
Solar Azimuth 6,500 measurements Geo Data
Roof
Measurements Thousands of roof
polygons measured
Geo Data
Roof Styles 6,800 Roof Styles Geo Data
Superstructures Thousands of
superstructures
Geo Data
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Data Fields (the geodatabase)
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Potentially Multiple Agency Benefits
• Department of Planning
– Honolulu Rail Transit Project
• Mayor’s Energy and Sustainability Task
Force
• Engineering and Property Management
• GIS / Mapping
• Police & Fire
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Facilities Analysis and Maps
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Arc GIS 3D Analyst
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Potential Use: Solar Maps
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Feature Class Description Data Type
Solar Azimuth 6,333 measurements with
color codes
Geo Data
Roof
Measurements Thousands of roof
polygons
Geo Data
Roof Styles 6,333 Roof Styles Geo Data
Superstructures
Layer Thousands of
superstructures
Geo Data
3D Buildings 6,333 3D Buildings Shape File /
Multipatch
Deliverables
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Mahalo
! CyberCity 3D, Inc.
300 Continental Blvd. Suite 420
El Segundo CA 90245
310-760-2556 d
www.cybercity3D.com