building large scale 3d models from lidar data large scale 3d models from lidar data.pdfbuilding...
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![Page 1: Building Large Scale 3D Models from LiDAR Data Large Scale 3D Models from LiDAR Data.pdfBuilding Large Scale 3D Models from LiDAR Data Graduate Researcher - Martin J. Brown Advisors](https://reader033.vdocuments.us/reader033/viewer/2022042011/5e724f4e53d67b1d835d89fe/html5/thumbnails/1.jpg)
Building Large Scale 3D Models
from LiDAR Data
Graduate Researcher - Martin J. Brown
Advisors Committee
Professor Chen Zhou
Professor Barbara Jean Nicolai
Professor Lash Mapa
September 20, 2016
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Where Ideas Become Reality
Develop Architecture for an Operational Database for the
City of Gary Department of Code Enforcement
Using Existing Code Enforcement Data
Develop a 3D Models of Gary, Hammond, and Munster
Using LiDAR Data
Analyze and display Data
Display Data Analysis using 3D Model
Mobile 3D App
Project Objective
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Where Ideas Become Reality
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DATABASE ARCHITECTURE
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Where Ideas Become Reality
The current method of data
management in the Code
Enforcement Department is:
MS Access Database
with no relationships
a series of MS Excel
Monthly Report
Annual Report
EXISTING CODE ENFORCEMENT DATABASE
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Where Ideas Become Reality
This system has been in place since 2012 and contents
over 8,000 records.
The existing DB is a single table with no relationships.
There are four (4) queries that have been built to extract
report data from the table.
Send violations to the City Clerk’s Office to establish the
City Court docket.
EXISTING SYSTEM
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Where Ideas Become Reality
Citizen Request for Services(CRS) is opened via the 311
system
Based on the address a CRS is assign to a Code
Enforcement Officer (CEO)
CEO has a makes a site visit and either issue a citation
with court date or closes the CRS
Office Manager manually enters citation into database
and mails court summons to owner of record
Office Manager prepares and send list of citations to City
Clerk to have the place on the next City Court Docket
City Clerk prepares the docket
EXISTING PROCESS
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Where Ideas Become Reality
Court date one of three (3) outcomes
Fine is issued
Case dismissed – CRS Closed
Continuance Grant
Fine paid – CRS Closed
Fine not paid by court appointed date
Bench Warrant issued
EXISTING PROCESS
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Where Ideas Become Reality
SYSTEM ANALYSIS
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Where Ideas Become Reality
PROPOSED DEPARTMENTAL DATA FLOW
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Where Ideas Become Reality
PROPOSED USE CASE - NEW CITATION
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Where Ideas Become Reality
PROPOSED CODE
ENFORCEMENT
WORKFLOW
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Where Ideas Become Reality
PROPOSED ENTITY
RELATIONSHIP
DIAGRAM
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Where Ideas Become Reality
PROPOSED STATECHART NEW CITATIONS
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Where Ideas Become Reality
PROPOSED ENTER
NEW CITATION
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Where Ideas Become Reality
PROPOSED ENHANCED
ENTITY RELATIONSHIP
DIAGRAM
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Where Ideas Become Reality
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LiDAR Data
2011-2013 Indiana Statewide
Orthoimagery Program
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Where Ideas Become Reality
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LiDAR
Light Detection And Ranging
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Where Ideas Become Reality
1.A laser pulse is transmitted
2.Electronics within the system record the time of the pulse's transmission
3.Timing stops when the reflection of the pulse is detected by the system's receiver optics
4.Range is calculated by using the speed of light. This occurs at a speed between 33000 to 100000 times per second
5.Range is then merged with the aircraft’s trajectory, correct for shifts, platform offsets to generate georeferenced ranges.
LiDAR COLLECTION
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Where Ideas Become Reality
1. Leaf on flights is typically flown for agricultural, forestry
both urban and rural, and low and medium vegetation
studies and data collection.
2. Leaf off flights is typically flown for urban data collection,
hydrology and bare earth studies, land management and
development.
3. Oceanography flights are typically flown for measuring
water depths without direct contact with the water body
or without any instrument mounted on the water surface
in shallow regions.
TYPES OF FLIGHTS
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Where Ideas Become Reality
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MODELING
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Where Ideas Become Reality
LiDAR DATASET
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Where Ideas Become Reality
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MUNSTER – 11,109 BUILDINGS
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Where Ideas Become Reality
PURDUE CAMPUS – 1211 BUILDINGS
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Where Ideas Become Reality
PURDUE CAMPUS – ARC SCENE
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Where Ideas Become Reality
CITY OF GARY – 47,009
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Where Ideas Become Reality
2D MODEL
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Where Ideas Become Reality
3D MODEL
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Where Ideas Become Reality
ORIGINAL MODEL
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Where Ideas Become Reality
UPDATED MODEL
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Where Ideas Become Reality
UNIVERSITY PARK – CENSUS TRACTS
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Where Ideas Become Reality
THERE SEVERAL SOURCES THAT PROVIDE 3D
MODELS OF GARY
GOOGLE EARTH
GOOGLE EARTH PRO
EARTH VIEW
NONE OF THESE SOURCE PROVIDE A NON-FEE
BASE METHOD OF UPLOADING AN INDEPENDENT
MODEL
3D APP
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Where Ideas Become Reality
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RECOMMANDATIONS
COG OBTAIN A DIGITAL COPY OF THE
MUNICIPAL CODE
COG BUILD THE CODE ENFORCEMENT
DATABASE WITH A 2D APP
COG CONTINUE WORKING TO DEVELOP
DATA VISUALIZATION
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Where Ideas Become Reality
2013 State of Indiana LiDAR data processed by:
University of Vermont Spatial Analysis Laboratory
Rubenstein School of Environment & Natural Resources
205 George D. Aiken Center
Burlington, VT 05405-0088
Jarlath O'Neil-Dunne, Director
https://www.uvm.edu/rsenr/sal/
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THANK YOU
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Where Ideas Become Reality
Bill Emerson, Jr.
Lake County Surveyor
Building 'A', 3rd Floor
2293 N. Main Street
Crown Point, IN 46307
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THANK YOU
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Where Ideas Become Reality
Advisors Committee
Professor Chen Zhou
Professor Barbara Jean Nicolai
Professor Lash Mapa
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THANK YOU
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Where Ideas Become Reality
QUESTIONS
Martin J Brown, MSV, DBIT
Gary Sanitary District
(219) 944-4234
36
THANK YOU