Visualizing the Flood Risk from a Levee Breach...• Include 360o VR into your community engagement...
Transcript of Visualizing the Flood Risk from a Levee Breach...• Include 360o VR into your community engagement...
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ASFPM Conference
June 21, 2018
Visualizing the
Flood Risk from
a Levee Breach
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Agenda
1. Introduction
2. Current Conditions
3. Modeling Advancements
4. Visualization
Advancements
5. Next Steps
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Safety
Moment
What seem like an easy trail
can quickly turn for the worse.
Prepare yourself with the
proper safety equipment and
travel with friends who can
help get you out of a jam.
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• Place headset over your head or
hold up with hands
• Advance scenes using the headset
touch pad on RIGHT hand side
• View and then pass on
• Do Not leave these 4 scenes
Introduction 360o Virtual Reality
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Why Important to You
• Brings science to the people
• Personalizes the risk to your property
• Reminder of your risk when you forget
• Shareable with neighbors
Introduction
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Visualize Flood Risk Behind Levee
Regulatory FIRM
• Area Protected by
Levee
• Zone X (Shaded)
• Might have interior
drainage flood
hazards
Current
Conditions
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Visualize Flood Risk Behind Levee
Traditional Flood
Risk Products
• Extent of Natural
Valley flood hazard
• Depth grid of
floods
• Percent Annual
Chance grid
Current
Conditions
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2D Modeling
• 1D & 2D interaction
• Widely accepted
• Increased Precision
• Inundation Time
• Accounts for
Volume
• Velocities/ Flow
paths
• Multiple Scenarios
• Mapping of various
results
Modeling
Advancements
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2D Model Simulations Modeling
Advancements
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• Plan view of your
associated risk
Visualization
Advancements 2D Visualization
Ability to see your
properties associated risk
in relation to flood depth
• Recognize spatial
relationships with
potential problems
• Aids in
communicating
potential risks
10 min
20 min
30 min
40 min
60 min
50 min
Arrival TimeVelocity
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• Better understand
your associated risk
Visualization
Advancements 3D Visualization
Ability to see your
properties associated risk
in relation to flood depth
• Better recognize the
vertical relationships to
hazards
• Easier to
communicate
potential risks
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Visualization
Advancements 3D ArcScene Flythrough
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• Pros
• More user friendly for GIS users
• 3D flythrough video capability
• Simple navigation and interaction with
3D feature and raster data in desktop
environment
Visualization
Advancements 3D ArcScene
• Cons
• Cannot export to 360 VR
• Some Raster troubleshooting
needed
• Old coding language (VRML)
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• Esri CityEngine is
a stand-alone
software product
• Works similar to
ArcScene but
heavily code-
oriented
• Shapes of
geometry in a
“locally oriented
bounding-box.”
Visualization
Advancements CityEngine
• Uses
• Textures ~ Imagery
• Shapes ~ Feature classes / shapefiles
• Terrain ~ DEMs
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CityEngineVisualization
Advancements
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• Beneficial in quickly
creating large cities based
on procedural modeling
• Con - Algorithms used to
produce scenes do not
represent current reality
Visualization
Advancements CityEngine
• Coding ability allows for
individual feature
modification for a more
realistic city
• Con - very time consuming
and steep learning curve
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Visualization
Advancements 360o Virtual Reality
• Provides an immersive experience at
predefined scene locations• See the risk of flooding at your property!
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Visualization
Advancements 360o VR - Perspective Preview
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Visualization
Advancements 360o VR - Downtown Preview
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Visualization
Advancements 360o VR – City Hall Preview
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360o VR – House PreviewVisualization
Advancements
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• Pros
• Awesome
• Simple export from CityEngine to
ArcGIS Online
• Graphics are great!
• Cons
• Only Samsung Gear VR and
Samsung phone compatible (no
Google Cardboard or iPhone)
• No line of movement (roller coaster)
• Only ESRI option out of the box
• Requires Advanced Version of
CityEngine ($)
Visualization
Advancements 360o Virtual Reality
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Great Power Comes Great Responsibility
• Include 360o VR into your community
engagement meetings
• City planners use 360o VR as a tool to help with
comprehensive plan development
• Visualize mitigation effects as part of planning process
◦ Add Landscape Architecture details
◦ Show what an elevated house looks like
◦ Show what a buyout property looks like
◦ Show the change in depth from upstream mitigation
• Re-create past flood events to remind people
Next Steps
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Credits
Bryanna Aldridge, GISP, CFM
Stantec
GIS Manager
Dane Bailey, CFM
Kansas CTP
Mapping Coordinator
Rick Nusz, RG, PH, CFM
FEMA Region VII
Regional Engineer
Credits
Will Zung, PMP, CFM, ENV SP
Stantec
Water Resources Manager