[OSRM-talk] Road speeds and profile restrictions

2015-09-17 Thread Richard Marsden
I've been evaluating OSRM, using it primarily as a library from C++. I believe I've determined the answer to most of the questions, but I'm also looking for confirmation. (I understand the reason for these constraints - the trade-off of speed vs flexibility) First, road speeds are set with

Re: [OSRM-talk] Road speeds and profile restrictions

2015-09-17 Thread Patrick Niklaus
W.r.t. the pre-preprocessing you are correct. > What is that extra power used for? Including all sorts of external data sources. Also the logic in the lua profiles is not just replaceable by simple key-value pairs, OSM requires you to handle a lot of special cases. > Presumably I could do the

Re: [OSRM-talk] Road speeds and profile restrictions

2015-09-17 Thread Richard Marsden
Thanks Steve, Fair enough! Richard On Thu, Sep 17, 2015 at 8:20 PM, Stephen Woodbridge wrote: > Richard, > > I have already imbedded OSRM into a C++ application and in fact wrapped that > application into a postgresql database extension. I my case I only need data >

Re: [OSRM-talk] Road speeds and profile restrictions

2015-09-17 Thread Richard Marsden
Thanks for the quick reply Patrick. > Presumably I could do the same for world preparation & routing? Have, perhaps > a 100GB+ swap file, ideally on an SSD. >This will fall apart when you have some actual load pressure on the >system. We need random access to memory, which will create a lot of