Tag: Raster

New DigitalGlobe content released in World Imagery basemap

03BirminghamEng

The ArcGIS Online World Imagery basemap was updated this week with nearly 2TB of high-resolution imagery. This is the first of two updates of DigitalGlobe imagery planned for this year. This new content fills in areas previously not covered or … Continue reading

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The ArcGIS Predictive Analysis Tools Add-In is available for download

ArcGIS Predictive Analysis Tools Add-In

The ArcGIS Predictive Analysis Tools Add-In is available for download. The ArcGIS Predictive Analysis Tools Add-In is a set of tools used by analysts to build models to predict the location of moving or stationary targets or events. You can … Continue reading

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World Imagery Basemap adds Community Contributions

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World Imagery Basemap was recently updated with eight new areas of high-resolution imagery. These community contributions were made through the Community Maps Program. For a Story Map tour of all of these updates, click the image below. Included in this … Continue reading

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Sharing (functions) is caring

red is urban core, green is suburban, black is rural/no population

Last week I showed how you can use functions to identify core urban areas. Building off of that, there are a couple of other things that you can do. One is to use the same logic and map out suburban … Continue reading

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Mapping Core Urban Areas with Nighttime Lights

nighttime lights - europe

There are several options to choose from when looking for maps of urban areas; however they are often out of date, especially on a global scale. With the rapid urbanization of the earth’s cities, timeliness is an important component of … Continue reading

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Deriving temperature from Landsat 8 thermal bands (TIRS)

galileo

You can use the thermal bands from Landsat 8 to calculate at-satellite brightness temperature. There are quite a few steps that I’ll walk you th­­rough to do this. What we’re going to do is: -        Convert the raw bands into … Continue reading

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Assessing the Greens for Grain Program in China using remote sensing

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I came across this recent paper that looked at how agricultural practices have changed in the Loess Hills region in China due to a policy known as Green for Grains that encourages replacing agriculture with trees and natural grasslands to … Continue reading

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Population raster datasets from the US Census Bureau for Rwanda

Rwanda

The US Census Bureau has previously created population datasets for Haiti and Pakistan in the wake of natural disasters there, with the intention that they be used for humanitarian purposes. Recently, they added Rwanda to the list. In addition to … Continue reading

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Danish contribution expands World Imagery basemap

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Last week we updated our World Imagery map with high-resolution imagery over Denmark. This imagery is provided by Geodatastyrelsen (Danish Geodata Agency) and contributed by our Esri distributor – Informi GIS. The resolution is 10cm and 20cm. It covers the … Continue reading

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Lining up global imagery

lining up global imagery

Suppose you find an image of the world that is just that: an image with no spatial information attached to it. You can tell that someone used GIS to produce it, but when they published it, they converted it to … Continue reading

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