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Archive for the 'GIS' Category

Visualizing LiDAR terrain data

Monday, September 16th, 2013

Large-scale terrain mapping projects bring great challenges for visualization. The lately popular LiDAR technology is capable of producing dense point cloud representations of terrain by scanning it with a laser from aerial platforms. The resulting data usually consists of several million points, with joined datasets of entire areas reaching billions of 3D coordinates.

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Quite unlike me, I’ll be really short this time. No baroque adjectives. No complicated sentences. This one goes out to the one I … errrm … to all the people dealing with geospatial databases on Debian-based machines. PostgreSQL 9.0, PostGIS 1.5.2 and JDBC drivers, all built for x86-64 Squeeze are now available (raw, uncut and [...]

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Virtual Globe on Android

Monday, May 11th, 2009

For some time we wanted to try Gaea+ on a mobile device of some sort. The G-1 phone, featuring the Java-centric Android software stack, OpenGL ES, and a quite fast CPU and GPU, seemed powerful enough for this task. The Android programming model is too different to just port the whole thing in an evening [...]

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