Open Source Tools and Technology Innovations

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

Raster Foundry: Developing an Open Web Platform to Model, Monitor, and Respond to Change at Any Scale

Earth observation imagery from satellites, drones, and ground vehicles is growing in size, resolution, and volume at prodigious rates. Raster Foundry is a new open source software platform for storing, visualizing, and analyzing earth observation data at scale.  With funding from two research grants with NASA and the Department of Energy, Azavea, has been leveraging GeoTrellis, a LocationTech project, to develop the new platform. Raster Foundry can access and search data from NASA and ESA sensors, the Radiant open imagery network, Earth on AWS, Planet and other sources. Multiple sources can be combined to perform color correction, create custom mosaics, and analyze data. This talk will introduce the technologies on which Raster Foundry is being built and the lessons learned thus far. The session will close with a demonstration of Raster Foundry.
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

Post-Conference Eclipse Codesprint at Off-Site Location

Post-Conference Eclipse Codesprint at Off-Site Location.

Codesprint will be hosted at the Michael Baker International office at One Kaiser Plaza, Suite 1150, Oakland, CA 94612.

The Michael Baker office is about an 8-minute walk from the 19th Street BART station which is 1 BART stop north of the 12th Street BART station that is adjacent to the Marriott Convention and Hotel.

The walk from the Oakland Marriott to the Michael Baker office is about 20 minutes.

See map below that shows walking route from the 19th Street BART station..

Experience level: 
Intermediate

Extending QGIS (Continued)

Any GIS becomes more useful when you can connect it to other programs and data services. In this workshop, you will learn how to connect QGIS to spatial databases, work with data from data services, use QGIS in conjunction with programming languages like R and Python, use plugins, and work with algorithms and processing tools from other GIS programs from the Processing Toolbox. We’ll also specifically address how to get help and resources for learning on your own.
Experience level: 
Intermediate

Introduction to GeoServer (continued)

GeoServer is an open source server that allows users to share and publish spatial data over the web. In this tutorial, attendees will learn how to load, publish, style, and share spatial data with GeoServer. Discussion will include navigating the GeoServer user interface, loading and publishing data, OGC web services, and styling. This is a popular workshop geared toward those with no prior GeoServer experience. Familiarity with basic GIS concepts is suggested.
Experience level: 
Beginner

Introduction to GeoServer

GeoServer is an open source server that allows users to share and publish spatial data over the web.

In this tutorial, attendees will learn how to load, publish, style, and share spatial data with GeoServer. Discussion will include navigating the GeoServer user interface, loading and publishing data, OGC web services, and styling.

This is a popular workshop geared toward those with no prior GeoServer experience. Familiarity with basic GIS concepts is suggested.

Experience level: 
Beginner

GeoTuple: a Multi-scale Geo-Analytics Framework

Introduction
This presentation will describe a technical framework, based on open source tools, for performing point-based exploratory data analysis and analytics over a range of viewing scales, together with examples of its usefulness. The technical development was divided into two phases: first, compiling the geographic data themes in a point grid designed to encode and access data; second, visualizing and analyzing the themes on a map by developing a Web application, offering on-demand visual and API services.

Experience level: 
Beginner

Mapping Per Capita Water Availability with Open Source Tools

California has been described as a dry place, with some unusual wet years. The last five years of drought – and precipitation this winter – support this. Per capita water availability is often reported at the state level, yet this spatial scale is not well suited to how we actually can use water. Looking a watershed level gives a different picture of how much water would naturally be available within area.

Experience level: 
Beginner

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