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OpenIR's tech lead, Ilias Koen, developed a pixel classification prototype for OpenIR. http://openir.media.mit.edu/main/prototypes/new_york_spectrogram/index.html In this prototype, a user can click any pixel on the ...

OpenIR’s Spectral Classification Prototype: New York

Prototypes, Technology

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Here are the validation results for the 2013 Jakarta flood: Unlike the last Validation results the areas that received the most rain were Vegetative High Lying and Vegetative Low Lying. It remains to be seen what ...

Jakarta 2013 Validation Results #2

Technology

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Here are the current results of the Jakarta Validation : We see that as predicted the Urban Low Lying and Vegetation Low Lying areas were affected the most. Note: Due to issues the Jakarta Validation will be ...

Jakarta 2013 Validation Results #1

Technology

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This blog post will cover how to find turn a shape (.shp) file into a raster (.tif) file. Note the information on how to turn a raster file into a shape file is also covered here and here 1. First you need to invert ...

Jakarta Validation #2

Technology

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A Landsat tile before and after atmospheric correction, as displayed on a page from the University of Maryland, one of OpenIR's data sources.   We've started to develop some code and pseudocode for atmospheric ...

Starting in on Atmospheric Correction

Technology

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This blog post will focus on how to calculate area ratios and export table attributes. To Calculate Area Ratios: 1. Click on the map you want and go to Vector->Geometry tools -> Export/Add geometry ...

Jakarta Data Validation: Calculating Areas and Exporting Table Attributes

Technology

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Here are the steps for Splitting a file by flood depth (or any other attribute). First we assume that you have a vector map opened in QGIS saved as a shapefile.   While QGIS has a splitting operation, it splits ...

Jakarta Data Validation: Splitting by Flood Depth

Technology

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Here are the steps for coloring a map according to magnitude of an attribute, specifically¬†flood data.   First we assume that you have a vector map opened in QGIS saved as a shapefile. Step 1: To get the ...

Jakarta 2013 Data Validation: Coloring According to Flood Depth

Indonesia, Technology

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AIFDR (Australian-Indonesia Facility for Disaster Reduction) maintains a plugin called InaSAFE for the open-source platform QGIS (Quantum GIS). This plugin offers a number of datasets and risk evaluation processes, including ...

Data Validation Results: Jakarta 2007 Flood

Indonesia, Technology