Each week, Harris 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.



1 Dec

Optimizing Max Kernel Operation in IDL

Atle Borsholm | Comments (0) | Number of views (1017) | Article rating: No rating

I found this optimization question on the comp.lang.idl-pvwave, and decided to give it a try. The question was to implement an algorithm that replaces every element in a 2-D array with its... Read More >

17 Nov

New in ENVI 5.4: ENVITask Returning a Virtual Raster

Brian Griglak | Comments (0) | Number of views (1249) | Article rating: No rating

Since the creation of custom ENVITasks in ENVI 5.2 SP1, there has been the requirement that your procedure must commit all output objects to disk.  There was the rule that the procedure... Read More >

14 Nov

Using Deep Learning for Feature Extraction

Barrett Sather | Comments (0) | Number of views (2616) | Article rating: 5.0

In August, I talked about how to pull features out of images using known spatial properties about an object. Specifically, in that post, I used rule-based feature extraction to pull... Read More >

28 Oct

ENVI: Adding custom polygons to the display

Daryl Atencio | Comments (0) | Number of views (1819) | Article rating: No rating

A recent project I worked on required custom polygons – Controlled by my application – to be added to the ENVI display.  The following code defines an object class that allows... Read More >

27 Oct

Customizing the Geospatial Services Framework with Node.js

Daniel Platt | Comments (0) | Number of views (3150) | Article rating: No rating

One of the greatest features of the Geospatial Services Framework (GSF), in my opinion, is the fact that it is built upon Node.js. There are many reasons why this is great, but I wanted to talk... Read More >

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