Archive for August, 2014

Friday, August 29th, 2014

Maps of floating plastic

The National Geographic has created new maps showing the extent of floating plastic in the ocean: Tens of thousands of tons of plastic garbage float on the surface waters in the world’s oceans, according to researchers who mapped giant accumulation zones of trash in all five subtropical ocean gyres. Ocean currents act as “conveyor belts,” […]

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Thursday, August 28th, 2014

Finding your resource files

When writing even small applications, it is often necessary to distribute resource files along with your code. For example, images and icons are frequently needed by GUI applications. Custom color table files or fonts might be needed by applications that create visualizations. Defaults might be stored in other data files. But how do you find […]

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Thursday, August 14th, 2014

VISualize 2014 announcement

ExelisVIS annonuced VISualize 2014 will focus on the following topics: Presentations and discussions will focus on topics such as: Using new data platforms such as UAS, microsatellites, and SAR sensors Remote sensing solutions for precision agriculture Drought, flood, and extreme precipitation event monitoring and assessment Wildfire and conservation area monitoring, management, mitigation, and planning Monitoring […]

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Tuesday, August 12th, 2014

Scientific data file format routines

I’ve been dealing with HDF 5 files for quite awhile, but IDL interface was as painful as the C interface. It did have H5_BROWSER and H5_PARSE to make things a bit easier, but these utilities are relevant for interactive browsing of a dataset and not for efficient, programmatic access. I created a set of routines […]

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Tuesday, August 5th, 2014

Debug output

Recently, I have been writing a fairly large and generic system for ingesting various satellite images onto a common grid and producing user specified plots and reports from the results. Control of the system is done via a configuration file, like this one, which has been a great, flexible way to handle users extending and […]

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