Linked Questions

5
votes
2answers
5k views

How to assign node IDs to links in a network?

I have two shapefile layers in ArcGIS for Desktop 10. I have one line layer and node layer. My node layer(shp) has a "code_1" field and line layer has a "code_node" field. The intersection point ...
4
votes
3answers
3k views

How to select only the lines that has points at at least one end?

I have 2 separate feature classes, line and point. I want to select line feature class based on the location of points on a point feature class. If the points are on the line itself then I don't want ...
3
votes
1answer
137 views

Dynamic labels between points, along lines

Goal: I want to label a set of lines, with the name of the points that come before and after the line segment. Red labels in the example below indicate what I want to end up with: What I have: A ...
3
votes
0answers
33 views

Selecting lines between two points using ArcMap

I have two layers: One representing intersections in a city; and the other representing the road network. As shown below, I'd like the ability to select road segments provided two intersections. That ...
3
votes
0answers
535 views

Connected nodes and lines in a pipe network

I'm relatively new to GIS. I'm currently using QGIS. I have 2 shapesfiles for a sanitary pipe network - a manhole file with the manhole nodes, and a pipe file with the pipe lines. I need to find a ...
2
votes
1answer
2k views

Graph/Network building and analysis of linked polygons in ArcMap

This is more of a follow-up question to Dividing polygons into *n* number of groups of equal counts with ArcPy? and Grouping village points based on distance and population size using ArcMap, ...
2
votes
3answers
140 views

ArcPy find points that are paired in time and space

I have a shapefile that that is time stamped and tracks two animals. I would like to create a field that denotes "together" based on proximity and location. And example of the data is: time ...
2
votes
1answer
367 views

Finding diameter of pipes on either side of valves using ArcGIS Desktop?

I'm using ArcGIS desktop 10.2 and I need to find the diameter of pipes which are either side of a particular valve. There are over 2000 of these valves on my map so I'll need some sort of tool. The ...
2
votes
2answers
2k views

ArcGIS 10.3: How to merge lines divided by junction points?

I have one shapefile with train stations (points) from a region in the UK and another shapefile with railroad tracks (lines) between these stations. Problem is, in the latter I don't have a unique ...
2
votes
1answer
1k views

Adding z values from point to line

I have two lines with xy values, but no z values. However, I have points with xyz values that intersect with the two lines (see attached image for vizualisation). How can I get the z values from the ...
2
votes
1answer
480 views

Grouping polygons by spatial attributes

I'm working with a dataset that contains millions of polygons representing leased properties. In many cases, there are multiple polygons that are drawn on top of one another (representing multiple ...
2
votes
2answers
2k views

Assigning from node to node in ArcGIS geometric network?

I'm really new to geometric network and geodatabase, I basically finished all the arcgis tutorial. Anyway I cannot figure out how to fill a from_node and to_node fields in a polyline shape with ids ...
2
votes
0answers
346 views

Asset point IDs, pipeline and flow direction [duplicate]

I have a data set of a sewage pipe network and point data (assets). I would like to: first calculate the flow direction of pipes (polyline feature) assign IDs to the pipelines using asset IDs (...
1
vote
3answers
827 views

Filtering polyline features by direction using ArcGIS 10.2 (or ArcPy)

I have a polyline shapefile depicting a real road network. In many parts it has two 100 % overlapping segments in opposite directions, representing the two driving directions (In picture: red segments)...
1
vote
1answer
120 views

Iterating through pair of points to create lines

I have a table with ~12000 rows like: NOMBRE LAT LONG FECHA INT AL011900 15 -42.1 1900-08-27T00:00:00Z 18.0054 AL011900 15.2 -43.4 1900-08-27T06:00:00Z ...

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