The tag has no wiki summary.

learn more… | top users | synonyms

6
votes
2answers
611 views

Which Open Source GIS application support Linear Referencing and Dynamic Segmentation?

I'm looking for an Open Source GIS application that supports Linear Referencing and Dynamic Segmentation for the development of a road inventory system. I already know about GRASS but I'd like to know ...
5
votes
1answer
239 views

Calculating path sinuosity in postgis

Sinuosity is a fairly straightforward concept. How can this be calculated in postgis given a series of linestrings that represent the path?
3
votes
1answer
61 views

Linear referenced data driven pages

I am trying to create a form of data driven page that incorporates linear referencing very similar to the "Linear referencing scenarios" example: I have a map that I will display on each page that ...
1
vote
0answers
205 views

Linear Referencing : Locate Features Along Routes [closed]

I've ran into a bit of a roadblock using this tool. I have roughly 3 million points that coincide with 200,000 routes. My routes have the From/To measurements, and my points contain X,Y data for ...
0
votes
1answer
108 views

ESRI Linear Referencing and negative lengths

I have been asked this question regarding Linear Referencing (for Arcmap 10.1), but i do not have much experience with it so I am hoping someone out there can help. Essentially, I want to know how ...
0
votes
1answer
206 views

Create road speed limit segments with linear referencing

I have a route-feature class and a point feature class with speed limit signs. In ArcMap I am capable to reference the signs on the route with help of a reference field and using the locate features ...
0
votes
0answers
83 views

How can I locate features along multiple routes in a consistent direction?

I have a large network of routes that I've created based on an NHD plus stream layer and a large number of points that are located throughout this network. I've got the routes segregated by stream as ...
-1
votes
1answer
618 views

How can i draw a perpendicular line in a stream segment in a regular interval of 30m? [duplicate]

I have a stream segment which is polyline feature. Now I want to draw a line which is perpendicular to stream segment at a interval of 30m. How can i do it using python ? Do you have idea on this .