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How to Calculate NDVI Using Landsat 8 Images and QGIS

How to Calculate NDVI Using Landsat 8 Images and QGIS

The NDVI (Normalized Difference Vegetation Index) is a versatile vegetation index to evaluate the vegetation and dynamic of the vegetation coverage change. This index has been studied and evaluated with many satellites over the years, changing its calculus method in relation to the number and type of bands of the satellite. The following tutorial shows the NDVI calculus for Landsat 8 images ...

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Javascript for Geographers

Javascript for Geographers

You already know about projections, datums, and when not to cloropleth, come see how the other nerd-half live and learn the basics of the building web applications with JavaScript. We will cover essential JavaScript concepts you will need to know when working with ArcGIS API for Javascript. We will also talk about the best way to learn JavaScript moving forward, ...

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Top 10 Benefits of Geographic Information Systems

Top 10 Benefits of Geographic Information Systems

Top 10 Benefits of Geographic Information Systems A Geographic Information System is a computerized information system designed to manage, capture, retrieve, analyze, display and store spatial data. It benefits organizations of all sizes and in almost every industry, and there is a growing interest in awareness of the economic and strategic value of GIS. Discussed below are the benefits of ...

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ArcGIS API for JavaScript: Getting Started

ArcGIS API for JavaScript: Getting Started

Join us for an overview on developing with the ArcGIS API for JavaScript. This session will cover the basics of setting up your development environment, fundamental debugging techniques, and tips for using the online SDK. Learn about patterns and practices for integration with ArcGIS Online, ArcGIS Server, working with data, widgets and much more. Presented by Bjorn Svensson and Undral ...

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QGIS Quick Tip – Python, SQL and Virtual Layers

QGIS Quick Tip – Python, SQL and Virtual Layers

In this episode I use a small Python script to get a attribute list from a selected field, and from only selected features. Then I use Virtual Layers and a SQL command to create a single multi-polygon layer for those selected features.

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Getting Data Science with R and ArcGIS

Getting Data Science with R and ArcGIS

R is a powerful language for solving data science problems. By building cutting edge statistical models with R, and using ArcGIS for visualization and analysis, you can have the best of both worlds. This session will give you an overview of the R language, how you can use it to solve data science problems, and describe hoe to use it ...

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