Re: [OSM-dev] Creating 3-d connected network from ways + layer tag

2009-07-30 Thread Igor Brejc
Apollinaris Schoell wrote: On 29 Jul 2009, at 22:05 , Igor Brejc wrote: Karl Newman wrote: The topology rules are simple--if the ways share a node, then they are connected and it is possible to navigate from any of the connected ways to another (subject to turn restrictions, etc.) The

Re: [OSM-dev] Creating 3-d connected network from ways + layer tag

2009-07-30 Thread Apollinaris Schoell
On Jul 30, 2009, at 8:46 AM, Igor Brejc wrote: Apollinaris Schoell wrote: On 29 Jul 2009, at 22:05 , Igor Brejc wrote: Karl Newman wrote: The topology rules are simple--if the ways share a node, then they are connected and it is possible to navigate from any of the connected ways to

Re: [OSM-dev] Creating 3-d connected network from ways + layer tag

2009-07-30 Thread Ben Supnik
Hi Y'all, First: this discussion is a liiittle bit different from my original intention (not that that's a bad thing). I am trying to use the existing data and come up with a best interpretation. Since I will use the entire planet file, manual correction of persistent problems is not a

Re: [OSM-dev] Creating 3-d connected network from ways + layer tag

2009-07-30 Thread andrzej zaborowski
2009/7/30 Ben Supnik bsup...@xsquawkbox.net: Hi Y'all, First: this discussion is a liiittle bit different from my original intention (not that that's a bad thing). I am trying to use the existing data and come up with a best interpretation.  Since I will use the entire planet file, manual

Re: [OSM-dev] Creating 3-d connected network from ways + layer tag

2009-07-29 Thread Karl Newman
On Wed, Jul 29, 2009 at 12:26 PM, Ben Supnik bsup...@xsquawkbox.net wrote: Hi Y'all, I am trying to build an algorithm to produce correctly layered, correctly connected road networks from OSM ways + the layer tag. There are a few easy cases: - When two ways cross laterally but have

Re: [OSM-dev] Creating 3-d connected network from ways + layer tag

2009-07-29 Thread Igor Brejc
Karl Newman wrote: The topology rules are simple--if the ways share a node, then they are connected and it is possible to navigate from any of the connected ways to another (subject to turn restrictions, etc.) The layer tag is primarily a hint for renderers for proper display of vertically

Re: [OSM-dev] Creating 3-d connected network from ways + layer tag

2009-07-29 Thread Apollinaris Schoell
On 29 Jul 2009, at 22:05 , Igor Brejc wrote: Karl Newman wrote: The topology rules are simple--if the ways share a node, then they are connected and it is possible to navigate from any of the connected ways to another (subject to turn restrictions, etc.) The layer tag is primarily a