A digital map feature that represents a place or thing that has length but not area at a given scale. A polyline feature may have one or more parts.

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3
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1answer
39 views

Polygon points to Polyline

I am trying to create a polyline from the points that I query from a polygon. I have a polygon, and I am getting its edges, casting them to segments, and then use QueryNormal to get the mid point ...
0
votes
0answers
6 views

How to find one polyline of google map overlaps other polyline in map?

I have two routes let's say route 1(Location A to F) and route 2(Location B to E) in Google map. How could i determine route 1 includes route 2? Here route 2 is shorter than route 1 so, coordinates ...
0
votes
1answer
42 views

Split a shape file of lines into even spaced segments

I am using ArcGIS ArcMap 10.2. I have a shapeless of polylines and want to split them each line into 100 m segments. I can see under the editor toolbar the split tool and that can divide each line ...
0
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0answers
16 views

Space points out a minimum distance along a line

I have just snapped thousands of points to the polylines they share attribution with but a lot of the locations overlap slightly. I would like to create a minimum distance between points. I DO NOT ...
1
vote
1answer
703 views

How to Create a arrow PolyLine with curved (geoDesic) using ArcGIS PolyLine

Trying to draw two markers(points) with a curved and arrow PolyLine using ArcGIS maps. Below is the source code, able to draw Poly line but it is coming as straight line. <!DOCTYPE html> ...
1
vote
1answer
191 views

QGIS field calculator expression: selecting min/max values within field groups

I am new to using QGIS (previously used Arc) and trying to get my head round the expressions and Python. I have series of polylines representing routes and require the linear distance from the ...
0
votes
0answers
10 views

Drawing lineString in Google Earth API

I am able to draw a Polygon on the Google Earth API which is integrated in my website but i have to draw a lineString. Does anybody can help me? Here is the code i use to draw the polygon: function ...
0
votes
2answers
283 views

How to extend polylines to the nearest point

Hi could anyone tell me a way of getting my polylines to search for a point within a certain number of meters of their start/end points and extend to it? edit: There was some broblem uploading a ...
2
votes
2answers
801 views

How to create a series of points along multiple polylines at once in ArcMap 10

I have a series of polylines that represent linear vegetation (shelterbelts, etc). I need to convert these to a series of points equally spaced in order to add them to a different shapefile that ...
0
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0answers
30 views

Snapping points to polylines and maintaining minimum distances between the points as well as meeting other parameters

I have thousands of locations that I would like to snap to be placed on top of a hundreds of polylines based upon matching attribute fields. Think of them exit signs located on every ...
1
vote
1answer
195 views

Shortest path to draw all polyline routes in geometric network without repeating

My problem is related to the "shortest path" problem, however it's slightly different in that I don't want to draw one path but to draw all paths without repeating any routes (as much as is possible). ...
0
votes
0answers
15 views

google maps api with polyline not displaying lines

I converted shape files into mysql table that has features like LINESTRING and MULTILINESTRING. I am using google maps api ( var shape = new google.maps.Polyline({path: ...
2
votes
1answer
299 views

Polyline ZM: automatic vertex height errors correction

Paolo I've got many rivers (polylines ZM) with a lot of height errors in Polylines 'vertices. Vertices' Z errors are not all equal in height (i.e. they are not all at zero height). I must create a TIN ...
1
vote
1answer
30 views

Extracting the closest Point to a Line within a Polygon using ArcGIS for Desktop

I have the following shapefiles: Polyline: Detailing a road network. Polygon: Containing approx. 2000 polygons enclosing sections of that road network. Point: Containing numerous (OS Addressbase) ...
2
votes
1answer
207 views

Create FeatureClass in Personal Geodatabase and store data

I have to create a new featureClass in my existing personal GeoDatabase. And save some polylines into this featureClass. How can i do it? I need c# code to do this. Edit: I have a problem during ...
3
votes
1answer
112 views

Gradient colour for lines

My road network is broken up into segments. I want to produce a map that shows where the segments start and finish. I don't really want to create a point layer that shows the location of the ends ...
1
vote
3answers
53 views

Generate line from unordered set of points

What is the best method to take a set of points and generate a line? There are too many to simply guess a "connect-the-dots" situation & These points do not have an attributes in which they can ...
2
votes
1answer
425 views

How to obtain closest point of point over polylines layer in PostGIS 1.4 (without st_ClosestPoint)?

I´ve got a polylines layer (pipes) and a points layer (valves) and In Postgis 1.4 I would like to obtain the closest points but exactly on the closest polyline. In other words, i need to locate each ...
0
votes
2answers
163 views

Displaying polylines in different color / Color gradient

Though i am using QGIS, yet I am not confined by tool (can use an entirely different tool or a plugin for QGIS) usage.. Only aim is to get the following: I am reading various shapefiles in QGIS and I ...
2
votes
1answer
32 views

Automating Line Creation with Multiple Points

I have a feature class that has over 1500 points in it. I then need to create line segments from these points based on an ID number. For example points 1-6 have the ID 1, points 7-12 ID 2 etc. Each ...
0
votes
1answer
48 views

Calculate distance between two coordinates along lines

I have a map with two layers: a map of the streets of Montevideo, and a map of shops with the lat long location. I would like to calculate the distance between each shop and the nearest one, along the ...
3
votes
1answer
89 views

Union on lines using ArcPy?

Essentially I want to union multiple (20) congruent line shapefiles, where overlapping line segments in the input shapefiles are combined into a single resulting output shapefile. But I can't union ...
0
votes
2answers
82 views

Split polyline where it intersects with other lines in MapInfo

I have a polyline (bus route) which I want to split where it intersects with other lines (not polylines) I have created. I'm happy to initially do it manually to see how it works, although I would ...
3
votes
2answers
168 views

QGIS Line End Caps

When styling a road network where all sections of the network between junctions are separate paths, I style the ends of the lines to rounded to remove any gaps that might appear where the joins are at ...
0
votes
3answers
47 views

Add nodes to polyline at set intervals

I have a shapefile polyline which I would like to add nodes to at set intervals along its length. Is this possible in ArcGIS 10.2 and how would I go about it?
0
votes
0answers
16 views

Capturing line version 2.10

I'm a beginner (as in complete noob) user with version 2.10. I'm trying to digitise some rivers from a raster layer but can't find the "Capture Line" tool which the tutorials and resources show as ...
2
votes
1answer
83 views

Standalone Python script to split a polyline with a point layer

I have a polyline layer and a layer of points that are on top of the polylines. I do not have the ArcGis advanced license so I can't use the Split Line at Point tool. Can someone help me with a ...
2
votes
1answer
24 views

How to find the coordinates of the intersection points between two SpatialLines objects (or SpatialLines and SpatialPolygon edges)

I am try to find the co-ordinates of points where SpatialLines cross the edge of a SpatialPolygon. I have searched and searched, but can only find results such as over which tell me which lines cross ...
1
vote
1answer
229 views

Creating Polyline from GML using PyShp?

I have a problem in creating some polylines in one Shapefile with PyShp 1.2. The plan is to read a GML file containing LineStrings and create a shapefile. The theory is clear, but the realworld is ...
1
vote
1answer
37 views

Convert Parallel Polylines (edges of pavement) to Polygons

I would like to find a way to convert an Edge of Pavement layer into polygons that would represent the total paved area. It's a large shapefile, covering some 100 sq miles or so, so doing anything ...
0
votes
0answers
13 views

Arc GIS Line Style have small curves [duplicate]

I'm styling a roads shapefile in ArcMAP. While styling we observed that When we zoom in the map, we see the small curves (curves are not the appropriate word for this I think) on line borders. Here ...
2
votes
3answers
855 views

US / Mexican border data

I'm interested in locating free GIS shapefile data representing the US / Mexican border. I have found a point layer depicting the border crossing points but I'm interested in a polyline feature ...
6
votes
3answers
135 views

Waypoints with coordinates in R

I have a SpatialLineDataFrame with 20 observations of 4 variables (in WGS84). I want to create waypoints every 10 meters. Every waypoint will has the x y coordinates. I tried to do it manually like: ...
2
votes
1answer
62 views

How to draw contour lines with exact distance?

I am not a professional GIS user so am desperately trying to draw contours with exact distances around my samples (points). I have 67 samples and I would like to draw contours around these points. ...
2
votes
1answer
238 views

Easiest way to find spatial differences between Polyline shapefiles

I run into this problem a lot. I have two polyline's and I need to test for Spatial differences in them. Usually I use Erase and I have my answer, but on this PC I now only have access to ArcGIS Basic ...
1
vote
1answer
65 views

ArcGIS how to capture attribute data from another layer

I have an arc layer with points and another with lines. The points exist along the lines (as stations). Both layers have an attribute for LineName. How do I pass the specific line name data to the ...
1
vote
0answers
27 views

How to remove covering lines? [closed]

I have a shape file where there are polygons perfectly fitting, i created contour lines from all of the polygons so i have a shape containing only the lines. My problem is as the polygons were ...
4
votes
4answers
2k views

Calculating X and Y of line start and line end using ArcPy?

I have a series of polyline shapefiles and I am trying to automate the process of calculating the X and Y coordinates of the line start and line end using Python. I have added the 4 fields (startx, ...
7
votes
4answers
1k views

Splitting polylines according to coincident (or touching) points with other polylines?

The question is unfortunately not answered yet. I'm looking for a method or python script to split polylines according to coincident points with other polylines, but avoid splitting the ones which ...
1
vote
1answer
36 views

Converting polylines to raster, assigning value of total length of lines within cell?

I have a polyline shapefile representing a road network. I want to rasterise this data, with the resulting values in the raster showing the total length of lines that fall within the raster cell, ...
1
vote
1answer
35 views

Labeling only line vertices in QGIS?

I want to only put labels on the vertices of the polylines. I can use the data defined features to place a label at specific points, but not at multiple specific points. Is it possible to label only ...
0
votes
1answer
480 views

How do you change starting point on a polyline? (split tool)

There must be an easy fix for this. I am using the split tool and I want it to split a polyline into equal parts. For some reason, it is starting in the middle of my polyline. How do I force it to ...
2
votes
2answers
62 views

How to add a perpendicular line to the start & end nodes of every polyline? [duplicate]

Is there a way to add a perpendicular line to the end node of each polyline? Something like this:
0
votes
1answer
17 views

Plotting on MAPinfo given edge geometry in a row

I have a file of road geometry of the Washington State downloaded from GIS cup 2012. Each row in the file is of the type, ...
0
votes
1answer
68 views

Reversing polyline direction based on raster value using ArcPy?

I am trying to create an ArcPy script that will read a raster cell value at the start point and end point of a polyline, and flip the line based on those values. I do not want to create another ...
4
votes
2answers
140 views

Is it possible to position QGIS labels by clicking on polylines (and polygons)?

QGIS has now few really good options for custom labels but I can't find a way how to easily manage labels along polylines. Is there a tool which helps me place labels by clicking on a polyline so the ...
0
votes
0answers
36 views

Find lines that have specific distance between them in QGIS

I have a rather large dataset that contains duplicated lines with an offset of 1m-5m and I want to find an efficient way to solve this problem using QGIS. Is there anyway in QGIS to find the lines ...
3
votes
4answers
129 views

Workflow for identifying gaps in polyline shapefile

So I have a polyline shapefile showing the border of a city, however there are multiple gaps in the shapefile ranging from ~2m to well over 1km that are almost impossible to see when viewing the area ...
0
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0answers
41 views

Updating a polygon with an attribute from ALL intersecting polylines

I have a polyline layer with road information such as the road it beings from and the road it ends at. Some of these are digitised incorrectly and I am trying to pull out the road name (or unique ID ...
2
votes
1answer
101 views

Segment matching on a polyline

I have about 1000+ running routes which I can load into memory as polylines using latitude and longitude data captured from a running watch. From these polylines I would like to be able to identify ...