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Changing styles at runtime using XML entities

07 December 2011

Wouldn't it be nice if you could make an attribute in your style sheet, like a road color or a font size, into a variable which you could change from your application? There's already a way to do this using style overrides, but here's a simpler and more efficient way.

Invent a name for... Find out more...


speed improvements

14 September 2011

Changes to the CTM1 map data file format allow large maps to be drawn much faster.

Recently we had some trouble getting large maps to draw fast on iOS (on the iPhone and iPad). The CTM1 (CartoType map data) files were in the low hundreds of megabytes and included terrain data so that... Find out more...


slippy maps for iOS and OpenStreetMap tiles

14 April 2011

RouteMe is an iOS framework for rendering maps using tile bitmaps. We already have a working RouteMe data source using CartoType. It reads CartoType map files (in the CTM1 format) to generate tiles which are cached... Find out more...

Hill shading

21 September 2010

The picture says it all. example of hill shading: Swiss alps

The tool generate_map_data_type1 reads a USGS (United States Geological... Find out more...


using Ordnance Survey data

11 June 2010

The Ordnance Survey, Britain's national mapping agency, have recently made some data public under a very liberal license. CartoType can now make use of this data.

We've worked with two types of data so far: Find out more...


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