Re: [postgis-users] IFC to PostGIS

2017-02-21 Thread James Keener
Sorry, I don't have a windows box or dev tools. Hopefully someone else can track down the issue for you. Best of luck, Jim On Tue, Feb 21, 2017 at 9:32 AM, Frans Knibbe wrote: > Hi James, > > I am on Windows 7. Upon clicking on the executable (ifc2Pg.exe), I see a > splash screen and soon after

Re: [postgis-users] IFC to PostGIS

2017-02-21 Thread Frans Knibbe
Hi James, I am on Windows 7. Upon clicking on the executable (ifc2Pg.exe), I see a splash screen and soon after the message "Ifc2Pg has stopped working". No further information is presented. The Windows event viewer tells me "The process was terminated due to an unhandled exception.". The RAR file

Re: [postgis-users] IFC to PostGIS

2017-02-21 Thread James Keener
How does it crash, and is there source available for it? On Tue, Feb 21, 2017 at 9:08 AM, Frans Knibbe wrote: > Hi, > > I am looking for ways to import Industry Foundation Classes (IFC) data to > PostGIS. FME can do it, but I wonder if there are free/open source > alternatives. > > A search throu

Re: [postgis-users] Geography point to polygon st_distance for a polygon crossing the equator

2017-02-21 Thread Paul Ramsey
That's right, we don't have a way to differentiate between great-circle edges and loxodromes on geography (or vice versa in geometry). ​You can approximate a "square" by densifying your east-west lines in the places you want vertices to go, but the inter-vertex edges will still be great circles.

[postgis-users] IFC to PostGIS

2017-02-21 Thread Frans Knibbe
Hi, I am looking for ways to import Industry Foundation Classes (IFC) data to PostGIS. FME can do it, but I wonder if there are free/open source alternatives. A search through the archives of this list led me to IFC2PG, which is described here

Re: [postgis-users] Intersection of three polygons

2017-02-21 Thread Saranya Kuniyil
Hai, yes. I am interested to retrieve all polygons which intersects any one among three categories.. In the above example, 1)POLYGON((0 0,0 1,1 1,1 0,0 0)) filename as part1 POLYGON((0 0,0 2,2 2,2 0,0 0)) filename as part2 POLYGON((0 0,0 3,3 3,3 0,0 0)) filename as part3 >From these polygons