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.

Here is an example of representing numbers efficiently using a restricted set of symbols. I am using a set of 60 symbols (or characters) to encode floating point numbers as strings of any... Read More >

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 >

The idea for my blog topic this week came from a question from Ron Kneusel about the loss of precision using IDL’s TOTAL function. IDL functions are often implemented in a... Read More >

A few weeks ago I posted about using the Lanczos kernel for resampling images to a higher resolution. This week I am continuing with the same example, but adding in the Lagrange resampling... Read More >

Resampling images is a very common operation in IDL, and it can happen both implicitly as well explicitly. Implicit resampling happens with IDLgrImage rendering. When the destination rendering... Read More >