Accepted Sessions

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A framework for managing, visualizing, and sharing land-change datasets

Land-change simulation models such as the Land-use and Carbon Scenario Simulator (LUCAS), allow researchers to simulate land-use/land-change over multiple spatial and temporal domains, model iterations, and land-cover states and transitions. These models can also track the impacts of alternative management and disturbance scenarios on ecosystem carbon storage and flux (transfer of carbon), and other variables such as water-demand.

Experience level: 
Intermediate

Adding Geospatial Alerting and Stream processing to GIS Applications

Many tools in the geographic information system (GIS) domain are built around styling, author, and managing datasets. Many of these tools require you to have all the data in a database, file, or resource in order to transform it.  These tools built around bounded datasets do not make it obvious when something unique is added at a later date. One way this is solved is through visualization techniques and manually use temporal sliders and search to manually see what has changed.

Experience level: 
Beginner

Addresses as Public Information

There are many practical reasons for local governments to assemble a master address repository.  One fundamental reason that is little explored, however, is the role of the address in civic life.  Open addresses allow citizens to participate in their communities, and are part of the fabric of a "high trust" society.  Addresses are open when they can be validated, when their spatial logic is obvious at the street level, and when the address data are free of dependencies on closed data.

Experience level: 
Beginner

Application of Topo-Bathymetric LiDAR for Mapping Nearshore Coastal and Riverine Environments.

Airborne topo-bathymetric (or green wavelength) LiDAR continues to develop as a unique tool for mapping shallow water environments.  Over the past two years a new generation of topo-bathymetric LiDAR sensors has entered the commercial market that offers increased functionality and expanded performance capabilities.  Quantum spatial, Inc.

Experience level: 
Intermediate

Applications of Procedural Modeling in Transportation Planning

Spatial analysis, cartography, and data visualization provide a powerful vehicle to help communities make informed decisions on policies that will shape how our cities will move in the future. Using examples from two projects, David will explore how procedural modeling  can all be applied to provide a better understanding of transportation in our communities. The presentation will start with an introduction to procedural modeling and then describe two case studies in transportation planning.

Experience level: 
Intermediate

Assessing the Processes for UAV and Manned Aircraft Orthomosaic Production

The unmanned aerial vehicle (UAV) is undoubtedly emerging technology for spatial data collection.  We acquired data from a UAV and a manned aircraft over the same location, and processed the data for orthomosaic production.  We have assessed the data acquisition, photogrammetric processes with real-world examples for an informative evaluation for GIS users.

Experience level: 
Intermediate

BART EGIS Online Viewer

The presentation will describe BART's process in creating a web online service for the District's employees to access geospatial information. BART's EGIS (Enterprise Geographic Information System) is a comprehensive web application for viewing BART assets and their geographic location from a desktop, tablet or mobile device. BART's accomplishments were recently highlighted in an Esri video. The application will showcase some of the available tools and features

Experience level: 
Beginner

Big data raster analysis with GeoPySpark in a Jupyter Notebook

This talk will demonstrate how we can perform large scale raster analysis using GeoPySpark in a Jupyter Notebook. GeoPySpark was created to enable access to GeoTrellis to people with knowledge of Python.  GeoTrellis is a geographic data processing library for high performance applications. It is written in Scala and uses Spark to work with raster and other geospatial data. GeoTrellis 1.0 was recently released under LocationTech, marking a major achievement for the community that has helped to build the project. It is open source under the Apache 2.0 license.

Experience level: 
Intermediate

Bike-sharing the "last mile" in Washington, D.C.

Even the best-designed public transit systems often suffer from the “last mile problem”: the distance between final transit station and final destination might be too far to walk, which encourages people to drive instead. Bike-sharing can mitigate the last mile problem sustainably, cheaply, and without new transit infrastructure, but only if the bike-share stations are well located in relation to the metro stations.

Experience level: 
Beginner

Bringing High Resolution Land Cover Products to Our Nation’s Coasts

Understanding current conditions and past change is essential to improving natural resource management in the future. Through its Coastal Change Analysis Program (C-CAP), NOAA’s Office for Coastal Management produces standardized land cover and change information for the coastal U.S.  Current products include both regionally focused, moderate resolution (30 m) data that is updated every 5 years and high resolution (1-4 m) maps that provide more detail in areas experiencing high rates of land cover change, bringing this national framework to the local level.

Experience level: 
Intermediate

Building Partnerships for Data Stewardship; The California National Hydrography Dataset Program

Maps can only be as good as the data they are built upon, and data is only as useful if it is good data. One of the foundations of the National Map is the National Hydrography Dataset (NHD). The digital version of the blue lines on USGS topographic quad maps has evolved into a hearty dataset serving as the geospatial framework for the mapping, modeling, and planning of the nation’s water resources. The NHD is maintained in a rigorous process that utilizes technical mapping standards, custom tools, and a stewardship-maintenance system.

Experience level: 
Beginner

City of Indio: Innovative Pavement Management and Asset Data Collection

The City of Indio is located in the southern California desert region just outside of Palm Springs.  Michael Baker International, Inc. (Michael Baker) partnered with Indio to provide Mobile LiDAR (Light Detection and Ranging) mapping and Laser Crack Measurement System (LCMS) data collection services in support of the City’s 5-year pavement management plan and to augment the City's ongoing public works asset management systems.

Experience level: 
Intermediate

Collecting Data through Drones

GrandView Services, LLC, in conjunction with Cal Engineering & Geology has been using drones for the past few years to develop data collection through photogrammetery software.  Heller Gregory is a licensed pilot with a Part 333 exemption through the FAA.  The FAA currently requires a Part 107, a simple test through the FAA.  

After the first year of research & develpment, GrandView Services, LLC is putting the data to good use.  We've had several large projects with the City of San Ramon and the City of Lafayette.  Our latest client has been Trail People.  

Experience level: 
Advanced

Completely revolutionizing the document and data transfer process from submittals into GIS

Most organizations face the challenge of capturing GIS and attribute data from electronic submittals – a time consuming process often involving data recapture and careful verification. Come and see how this process can be radically improved and automated from start to finish. Adding value through data accuracy and efficiency is achieved through automated data validation and push button data loading. Submittal drawings can be checked against data standards such as the Local Government Data Model, A-SPEC and output to directly to GIS.

Experience level: 
Beginner

Data Storage, Analysis, and Visualization with PostgreSQL, ESRI Server, and Geocortex Essentials

Santa Clara Valley Transportation Authority (VTA) is the Congestion Management Agency and Transit Agency for Santa Clara County.  Our Development Review team "reviews, analyzes, and tracks land use developments within and near Santa Clara County to improve land use/transportation coordination, promote alternative travel modes, and encourage a balanced approach to addressing congestion."   This process has been in effect since the late 1990s and has not had a huge technology overhaul since then.  The team currently uses MS Access to enter in and store data relating to any new and/or existing

Experience level: 
Intermediate

Deep Learning on Aerial Imagery: What does it look like on a map?

The pace at which satellite and aerial imagery is being made available at begs the question: how do we get value out of this data when there are so many images that no team of humans could ever look at them all? Increasingly, computer vision and deep learning are being used to make sense of this vast source of data to create easier-to-consume derivative products and to bring human attention to images that algorithms flags as interesting.
Experience level: 
Intermediate

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