[postgis-users] Linear referencing with PostGIS

[Paul Ramsey]

Muni,
PostGIS certainly has LRS capabilities (see
http://postgis.org/documentation/manual-1.3/ch06.html#id2578698).
Whether they meet your needs depends on the structure of your data and
the questions you are asking of it. The use case you provide (given a
line and a query point, read the measure) is supported. I'm sure you
have many others.
P.

On Wed, May 16, 2012 at 10:59 PM, Melpati, Muni
<Muni.Melpati at dot.state.fl.us> wrote:
> We have various web-based GIS applications that consume the data from
> enterprise database (oracle/ArcSDE) . These applications need linear
> referencing capabilities of the ArcSDE. We currently do this using java API
> provided by ESRI. Some of these web application provide user capabilities to
> query distance, in miles, of a road segment give a location on the road. Our
> data has linear referencing capabilities and other features such as topology
> which are essential to our business needs. I came to know while older
> PostGIS doesn’t provide such capabilities. I am wondering if newer versions
> offer any similar functionalities. Is it possible to provide similar
> capabilities with PostGIS and Postgresql? Thanks in advance.
>
>
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