Re-membering the Bard: Revisiting The Compleat Wrks of Wllm Shkspr (Abridged)...
F3 seeing is believing
1. Seeing is Believing
Use of 3D Visualizations in Planning Projects
Gordon W. Perkins, ESS Group, Inc.
2. Purpose and Intent
To explore the visual impact assessment process and available technologies in visualization.
Why
Visual impact is a subject often overlooked in development, thus areas are a risk of losing
their identities. While visual impact is subjective topic, most people agree on what makes a
place beautiful. The challenge comes when identifying what activities might compromise that
beauty.
3.
4.
5. The steps in assessing visual impact:
1. Identify Resources
• State and Federal governments are digitizing their records at a frantic pace in order to establish
an archive and capitalize on cooperative efforts.
• Most data are getting more accessible so consultants and stakeholders alike can access and view
pertinent information.
6. The steps in assessing visual impact:
2. Establish regional visibility
Because a project is visible does not mean it results in visual impact. However, not visible does mean no
visual impact. So we begin with a process of elimination.
• Zones of Visual Influence (Viewshed Map) Weapons Fan
• Line of Sight Cross Sections
• Google Earth
• Field Verification
7. The steps in assessing visual impact:
2. Establish regional visibility
• Zones of Visual Influence (Viewshed Map) video demonstration.
8. The steps in assessing visual impact:
2. Establish regional visibility
• Further ZVI refinement through the inclusion of vegetation and structures. Point cloud LIDAR makes an
incredibly accurate visibility prediction model.
• Line of Sight Analysis
• Real-time drive/fly through
• Refined ZVI
9. The steps in assessing visual impact:
2. Establish regional visibility
• Line of Sight Cross Section Analysis is useful in assessing how topography, buildings and vegetation define
views from individual locations.
• Line of sight analysis should be used sparingly as it is limited to one view and one direction.
10. The steps in assessing visual impact:
2. Establish regional visibility
• Ballooning was the tried an true method for developing simulations, but it now
has a renewed purpose in VIA.
• Drone technology is next.
11. The steps in assessing visual impact:
3. Document visibility
• Photo documentation may be one of the most critical (or at least the most criticized) processes in visual impact
assessment.
• Resolution requirements (why sensor size is important).
• Lens settings
• Geo-locating camera and reference points
12. The steps in assessing visual impact:
3. Document visibility
• Documenting context and innovations in gigapixel technology.
• HDRI - up to 54 photographs to document a single view
• Panoramas - A deceiving technology if used incorrectly. (40° vs. 124°)
13. The steps in assessing visual impact:
4. Select Representative Views
• Historic and cultural sensitivity
• Users
• Frequency and concentration of use
• Stakeholder and official input (federal, state, and local level contribution)
• Recreational resources
• Federal, State and local resources
• Designated scenic areas
14. The steps in assessing visual impact:
5. Create Simulations
• Model the proposed action with adequate detail
• 3D align the photographs in georeferenced space
• Place existing elements in the scene
• Model the ground plane as proposed
• Add the project in georeferenced space
• Add environmental variables
• Render the view
• 2D Finalize
15. The steps in assessing visual impact:
5. Create Simulations
• Animation
16. The steps in assessing visual impact:
6. Rating and Reporting
• Typically professional planners and landscape architects and recognized experts.
17. The steps in assessing visual impact:
7. Mitigating potential impacts
• And the cycle begins.
24. Using simulation technologies beyond visual impact assessment
Image courtesy of Saratoga Associates
• Object/Structure Design and Construction
25. Using simulation technologies beyond visual impact assessment
• Watershed Analysis and other 3D calculations.
White Pond
240 ft
120 ft
160 ft
200 ft
200 ft
160 ft
160 ft
Drawing Date: 2013/09/09
Path: G:GIS-Group, Inc.
Legend
Watershed
Pond Outline
Hydrography
26. Future Technologies:
• Mapping the United States. Pictometry, Street Level
Photography, Real-time 3D
• Drones and Lasers
• Immersive 3D environments
• Progressive planning
• New infrastructure technology (transmission and generation)
• There is an APP for that!
• Holographic
http://technabob.com/blog/2009/04/17/eon-icube-immersive-3d-vr-system/
http://technabob.com/blog/2009/04/17/eon-icube-immersive-3d-vr-system/
