Other than skobbler, which is more for turn by turn, i've never seen anything 
that can render a regional map to the standard we are chasing.

Nodes are already been reduced dynamically by marking each node at compile time 
with a level of importance. 

Issue isn't reducing nodes, it's more related to at which zoom level each road 
class is been rendered. Issues lies in the difference in density. A config that 
works well for metro areas doesn't work in regional areas.

Li.


On 01/11/2012, at 7:46 PM, John Smith wrote:

> On 1 November 2012 19:32, Li Xia <[email protected]> wrote:
>> The issue is one of performance, and sorting data no the fly is an expensive 
>> operation.
> 
> there is already apps that do off line rendering, they pre-process
> data, and usually drop the number of nodes to 1/10th etc


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