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I ordered and downloaded several (Surface Reflectance) Landsat 5-8 images from USGS Earth Explorer with the purpose of choosing a few of them to calculate some Vegetation Indices for each (NDVI, SAVI, EVI) and compare the evolution of the vegetation cover from the 1980s to the present. I need to...

I would like to transform Landsat 8 scenes from the native UTM to the official Hungarian spatial reference system. My problem is that pyproj.transform and osr.CoordinateTransformation have the same coordinate output (I suppose because pyproj uses gdal),but gdalwarp shows different output...

I'm using Openlayers 2 with Gmaps and a vector layer to display features with icons. I'm using this code to set the icons on the features: feature.style = { externalGraphic : iconUrl, graphicWidth : 30, graphicHeight : 20, fillOpacity : 1...

I want to develop a standalone application and add the default digitizing and advanced digitizing tools in QGIS as-is on my application through PyQGIS. Is it similar the way you add the navigation tools (like Pan Zoom In and Out..)? What do you suggest? I am a beginner to PyQGIS and I am not...

I wonder how the building layer in OSM is generated? Are they generated using aerial imagery with image segmentation/classification techniques or they are from crowd sourced tagging. أكثر...

Join Percona Sr. Consultant Michael Benshoof as he discusses: -The various tasks that deal with geocoding -How MySQL can solve problems such as points within a radius (e.g., “Find the 10 closest coffee shops) among others -Highlights from some of the new features bundled in the upcoming 5.7...

Over 200 startups have been invited into the Esri Startup Program. أكثر...

Location, navigation, GIS positioning, sensors, geospatial intelligence, UAS, 3D, emergency response are just a few of the areas covered in the vast offerings seen throughout the week. أكثر...

Remote Geo will conduct cross-industry demonstrations of the company's Full Motion Video (FMV) data collection, post processing and reporting solutions for the Esri ArcGIS Platform. أكثر...

Echosec, is a real-time, location-based search engine mainly used for social media. أكثر...

SmartNotify represented the French-based startups from Esri, and met companies with incredible products that show that GIS is not merely about making maps. أكثر...

The Snow Journal story map incorporated data-rich maps, videos, photos, and text to craft an engaging story of how the city dealt with historic amounts of snow in Boston earlier this year. أكثر...

Top 10 highlights from the 2015 Esri User Conference. أكثر...

The Valarm + Esri real-time booth at the User Conference showed how simple it is to use Valarm APIs and interactive, real-time sensors with the ArcGIS platform. أكثر...

Esri's Field Notes Earth app puts data about people, climate and geography at your fingertips. أكثر...

Esri map chronicles the events from missing flight MH370 take-off on March 8, 2014 to today's incredible events. أكثر...

Open data, geospatial mapping and analytics can influence public policy in myriad ways that improve health and reduce societal costs. أكثر...

A team of scientists from the CDC conducted a case-control study to find clues as to what made people get infected by the fungus. أكثر...

HANA integration with geospatial data vendor Esri allows applications to have location-based data. أكثر...

By EPA Administrator Gina McCarthy Today, President Obama will unveil the U.S. Environmental Protection Agency’s (EPA’s) Clean Power Plan—a historic step to cut the carbon pollution driving climate change. Here are six key things every American should know: 1. IT SLASHES THE CARBON POLLUTION...