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Maps and Cartography
Geo Announcements: QField 1.0 Released,NASA’s Spinoff Publication
In this week’s edition of Geo Announcements: QField, mobile GIS app from OPENGIS.ch, is now available, NASA’s Spinoff publication features the benefits of its GPS signal correction software, and the latest in press releases from the GIS industry.
Introduction to PostGIS
This three-part introduction to PostGIS from Kayla Patel provides an overview of this open source GIS software.
Lessons From a Viral Map
As public engagement becomes more and more important to society, it’s useful for scientists to know what makes maps and other geospatial content go viral.
Automatic Raster Reclassification with ArcMap Model Builder Based on Raster Statistics
Alexandros Voukenas writes about the problem of automatic raster reclassification based on its statistics, using ArcMap’s Model Builder with this step-by-step guide with relevant screenshots and explanations
Spatial Analysis
Using GIS to Analyze People’s Attitudes
GIS can help researchers analyze spatial data within social media posts in order to understand how people react to different features in their environment.
Mapping School Performance and Inequality With GIS
With GIS, researchers can look at how effective schools are relative to spatial measures.
How Archaeologists are Using GIS to Explore Sounds of the Past
Two archaeologists are using GIS tools to model the ancient soundscape of New Mexico’s Chaco Canyon.
Using Machine Learning and Surface Deformation Data to Predict Earthquakes
There is no easy solution for earthquake prediction, but machine learning in particular has made forecasting far better.
GIS Software
Missed the Latest QGIS User Conference? Access the Videos Online
Recorded presentations from the 2019 QGIS International User Conference are now available online.
Latest Release of ArcGIS Online Introduces New Features and Enhanced Capabilities
Bernard Szukalski, Esri tech evangelist and product strategist, introduces new features and enhancements to the latest release of ArcGIS Online.
Printing Web Maps
An oft-ignored but sometimes important function of web mapping is the ability to convert the view on the screen to a printed map.
LandViewer Has Added New Remote Sensing and Satellite Imagery Analytics
This article by EOS, a company which creates solutions for Earth observation imagery processing and analysis, introduces a host of updated capabilities in its LandViewer tool.
GIS Learning
Free Synthetic Aperture Radar Handbook Available for Download
User can download this free handbook which provides insight into how different Synthetic Aperture Radar (SAR) methodologies can be used for forest monitoring and biomass estimation.
What is GIS?
GIS is a technological field that incorporates geographical features with tabular data in order to map, analyze, and assess real-world problems. The key word to this technology is Geography – this means that some portion of the data is spatial.
Tutorial: Introduction to Geospatial Analysis in R
Watch this tutorial “Introduction to Geospatial Analysis in R” to learn how to import files into R, overlay layers, reduce spatial extent, select and reclassify values, and make a map.
Free Introduction to GIS in R Online Course
SocialCops is offering a free online course: Introduction to GIS: Manipulating and Mapping Geospatial Data in R, will teach you the ins and outs of how to extract, process, analyze and map geospatial data in R.
GIS Data
First Data from NASA’s GEDI Program to 3D Map Forests
The first set of data that have returned have demonstrated GEDI is able to measure density of forests far better than previous satellite missions.
Download 2018 NAIP Imagery
Aerial imagery covering 20 states has been uploaded to the USDA’s direct download site for NAIP imagery.
Download 30-Meter SRTM Data Easily With This Point and Click Interface
Derek Watkins has created a simple and easy to use interface for downloading 30-Meter SRTM data.
Mapping Land Cover by Stacking Landsat Imagery
Landsat 8 is offered as free, open data, which has led to new innovation in methods to better utilize such data for time series and complex scenes that are sometimes obstructed by clouds or dust.
GIS Industry
GIS and Blockchain
For Earth observation and GIS technologies, researchers have only recently begun contemplating what might be useful in applying blockchain technologies.
MapScaping: New Geospatial Podcast
The latest geospatial podcast to debut is the MapScaping Podcast which features interviews with people working in GIS.
Next Generation Asset Management with iSTAR Pulsar
Danny Sullivan writes about how 360 imaging company NCTech’s vehicle-mounted iSTAR Pulsar camera is being used by Icon Spatial as part of an asset management project for a major highway operator Australia.
Geo Announcements: QGIS 3.6 Released, New Map Projections Added to ArcGIS and ArcGIS Pro
In the latest geo announcements, QGIS 3.6 has been released, the European Space Agency announces a new school award, ArcGIS and ArcGIS Pro add two new map projections.