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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1answer
38 views

Line sections between points in ArcMap?

How to get shape with lines between points which have to lay on the same line entity?
1
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1answer
201 views

Cesium js, Draw line binding a label to a position

I would like to draw a line binding a entity to its label with an offset. CesiumJS allows to offset the label, however its not possible to draw a line (or polyline) from a position to an offset like ...
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1answer
106 views

PyQGIS: how to transform single QgsGeometry object from one CRS to the other?

I have a polyline layer with roads in WGS84 that covers several UTM zones. For every road I need to place a set of points at different distances (in metres). To do so I want to reproject each road to ...
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1answer
44 views

Openlayer3 3.9 vector layer ignores some linestrings

I updated my small OL3 project to 3.9 but noticed that one of my vectorlayers now only displays very few features: Other point layers work fine. Also I checked the basics: Browser calls and ...
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1answer
56 views

Can ESRI JS API show PolyLine as Bezier curve?

Can ESRI JS API somehow show PolyLine as Bezier Curve? If yes, how to do it?
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0answers
26 views

How to find the most accurate street/road by a given coordinate and some previous locations?

I'm building an application that gets user's position and tracks its changes while driving providing some information stored in shape file. To get the most accurate information from this shape file ...
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1answer
59 views

Cut line with polygons?

How do I cut a single line with polygons (in several segments) so that each cut line take data from the polygons? Something like a centroid takes.
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1answer
40 views

ArcGIS: How to create polyline features from the southern delineations of a polygon?

This can be considered a follow-up question to what I've asked a few weeks ago in this thread: How to set a buffer only in a specific direction? Back then I was trying to set a buffer to several ...
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3answers
134 views

Calculating avg distance between two non-parallet lines?

I'm currently working on creating a data model that will allow the analyst to digitize two non-parallel lines of approximately the same length. Currently the methodology is to divide the lines into 11 ...
3
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0answers
83 views

Merge line segments by length (in QGIS)

I have a layer containing line segments which are connected by their endpoints (e.g. as within a street network). I'd like to merge (union) polylines within this layer into one feature until following ...
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0answers
102 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 ...
5
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2answers
122 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 ...
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0answers
22 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 ...
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0answers
60 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 ...
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0answers
50 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 ...
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0answers
152 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: ...
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1answer
51 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) ...
3
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1answer
147 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 ...
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3answers
85 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 ...
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1answer
42 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 ...
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1answer
82 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 ...
3
votes
1answer
138 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 ...
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0answers
36 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
331 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
108 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 ...
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vote
1answer
83 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 ...
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votes
2answers
310 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 ...
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0answers
15 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 ...
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1answer
69 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 ...
2
votes
3answers
927 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 ...
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3answers
69 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?
3
votes
1answer
154 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).
6
votes
3answers
246 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: ...
1
vote
1answer
120 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 ...
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0answers
41 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 ...
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vote
1answer
170 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
86 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
18 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
136 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 ...
2
votes
2answers
99 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:
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votes
0answers
56 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
224 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 ...
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0answers
52 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 ...
1
vote
2answers
96 views

How to close a polyline in QGIS while digitizing?

We need to work on a line layer where some features are closed and some are open. The closed features need to be closed perfectly, so that the first and the last point of the polyline perfectly match. ...
0
votes
0answers
74 views

Convert polygons to optimized lat long radius

I have a research project where I need to search Instagram and Twitter for geo coded data. The APIs allow lat, long, and radius, but I have shape files with polygon shapes and some long lines (think ...
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vote
1answer
36 views

Number of lines within specified distance of thousands of polygons

I have ~5000 polygons in green (districts). I have storms that I am interested in as red lines. Each storm has a unique ID. Looking to add fields to the districts. The fields are 25km, 50km, 100km, ...
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0answers
98 views

Create table that assigns node id of linked node to line endpoints in QGIS 2.8?

I am using Quantum GIS 2.8.1. I have two vector files - 1 line, 1 node (vertex). All lines are connected to a node on either end. I want to create a table of every line with a start node and end node ...
2
votes
2answers
243 views

A method for noise reduction in GPS derived cycling routes

I'm pre-processing GPS data to assess possible methods for a planned research. The aim of the research is to use crowd-sourced cycling routes data to plan a cycling paths in an Israeli city. ...
2
votes
1answer
146 views

How to interpolate line Z from sparse attribute values

I have a series of end-to-end connected 3d lines which I'd like to add elevation values for all vertices on the lines which are currently null or 0. How to accomplish this? In the following image ...
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0answers
113 views

QGIS - Polygon to Lines Tool Incredibly Slow

I am trying to convert a few polygons to polylines so I can save them as a .GPX file. I'm using QGIS 2.8.1 (Wein) on the Mac. It seems to be hanging. I only have a few small polygons (see ...