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Technology Blog Articles

Each month, NV5 Geospatial posts new blog content across a variety of categories. Browse our latest posts below or use the menu on the right to filter posts by a specific category or author. Stay informed of the latest blog posts, news, events, technologies, and special offers by joining our email list. Sign up now!



What Can You Do With 40 Years of Imagery?

What Can You Do With 40 Years of Imagery?

7/10/2012

A colleague recently pointed me to an interesting video on NASA’s YouTube page, cleverly titled “What Doesn’t Stay in Vegas? Sprawl.”  This video shows the rapid expansion of Las Vegas between 1972 and 2010.  The video comprises 38 years worth of color-infrared images from the Landsat satellites.  In these... Read More >

(New) Graphics Erase method

(New) Graphics Erase method

7/5/2012

Here's a small, but worthy, addition to IDL in 8.2: NG now has an Erase method, analogous to the ERASE procedure in DG. For example, a window with a plot and an annotation: IDL> w = window(window_title='Reuse this window!') IDL> p0 = plot(/test, /current) IDL> l0 = legend() can be erased by a call to the Erase method: IDL> w.erase which... Read More >

Imagery Derived Attributes for Activity Based Intelligence

Imagery Derived Attributes for Activity Based Intelligence

7/5/2012

In a few weeks I'll be attending the 2012 Esri International Users Conference and I'm really looking forward to an Intelligence Community session that features the emerging discipline called Activity Based Intelligence (ABI). In a broad sense, ABI is defined as the observation (a.k.a., collection) and analysis of the actions of individuals or... Read More >

An Efficient Remote Sensing Solution

An Efficient Remote Sensing Solution

7/3/2012

What’s glossy, full of colors, says 1,000 words without a single letter, and is stacked 20 inches high on my desk? Imagery magazines! I love a good read and when a colleague arrived at my door with an armload of imagery journals looking for a home I thought I’d won the lottery. The publications range in scope from research journals... Read More >

Discrete colorbar in (New) Graphics

Discrete colorbar in (New) Graphics

6/28/2012

The improved NG COLORBAR function in IDL 8.2 makes it much easier to display a discrete colorbar. The  example below is adapted from one of the IDLffVideoWrite examples I created for IDL 8.1; here, I use NCEP/NCAR Reanalysis 1 data to display the mean global 500 mb geopotential height surface for a single day as a filled contour plot with... Read More >

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