Questions tagged [points-to-line]

Process that generates line(s) from individual points.

Filter by
Sorted by
Tagged with
2
votes
1answer
113 views

QGIS points or line vertex

Hi I have a sequence of points in QGIS and each of them has its attributes. For my application, I may need to manually edit them by dragging them around in the canvas. It would be much easier for me ...
3
votes
1answer
3k views

Creating a line that goes through two point points using python (used for creating a utility line where there are two pole structures)

I am starting up an enterprise GIS program at the Utility company I work for. We are a Generation and Transmission company. Our data was bad when I got here, it was in NAD27 in a .dwg and was off by ...
7
votes
4answers
3k views

Create mid point from line layer

In QGIS I am trying to create a new point layer based on the mid point of a line layer (and keep all the feature attributes in the table). For example, one line feature becomes one point, located on ...
2
votes
0answers
87 views

Visualizing Drop Off and Pick Up Points

I've mapped about 10,000 pick up and the corresponding drop off points. I wanted to connect each pick up point to it's respective drop off point with a line. What is the best way to go about doing ...
2
votes
1answer
488 views

Creating points projected on line using QGIS?

How can we create points perpendicularly on a line with QGis ? Otherwise, how can we draw a line between one point and a line ? Here is a picture to show what we want :
-1
votes
1answer
128 views

Convert Points into Lines and adding Average Z value for line attribute

At the moment I am working with a lot of Point data. The Point Data has X Y and Z Columns. I would like to convert this into line feature Because there are multiply points in the line feature I ...
5
votes
3answers
2k views

Connect points and store point info in line attributes

I have a point shapefile where I want to connect all points (25 points that makes 600 pairs). As a result, I need a line shapefile with attribute table that contains points lying on the line. e.g. ...
1
vote
1answer
260 views

Export network layer to a shapefile

To continue from this question about the format of a .csv file with network data. I have two layers now: 1) layer with the coordinates (X,Y) of some nodes, and 2) layer that represents the lines ...
1
vote
2answers
182 views

calculate distance of points from reference points along a line

I have a points layer and a multi-part non-overlapping line layer (a line divided into segments). All the points fall exactly on the line. I have the coordinates of the start and endpoint of each ...
11
votes
3answers
4k views

Aligning multiple points to line in QGIS?

I would like to align multiple points to a line, or lines within a layer, using a specified tolerance or buffer around the line objects. Please refer to the sample sketch attached. For the sake of ...
1
vote
0answers
62 views

Auto-populate “from” and “to” attribute fields of line layer with Unique IDs of points from point layer?

I have a line layer where each line segment is snapped to 2 of the points from our point layer in QGIS. Each point has a Unique ID which I need to carry over automatically to a "from_point" field and ...
3
votes
1answer
235 views

Making a line from points but preserving classification of points in QGIS?

I want to classify a gpx file by elevation in QGIS. This is what I have done: Imported track_points from gpx file (because only this part of file containes elevations) Saved that file as shp (just ...
1
vote
0answers
137 views

Obtaining Orientation of Points to Another Layer?

I have a vector layer with points denoting receptors. I have a second vector layer (polygon) delineating a site boundary. Utilizing QGIS v2.14, I am looking for a method to get the orientation of the ...
6
votes
1answer
2k views

How to calculate the difference in elevation between two datasets of points?

I have two datasets of different points in the same coordinate system, which describe the same line (road), so I want to see the difference in elevation between them. I've been told that I should ...
2
votes
1answer
142 views

ArcMap, creating lines from a set of points that connect to the other line

I have a bunch of points lining up on one side of the highway. I would like to create line from each point that reaches to the other side of the highway. The line should be (almost) perpendicular to ...
1
vote
1answer
232 views

Lines between corresponding points from two shapefiles

I want to make a QGIS map of a project where schools and firms are partners for education. I have a .shp of the schools and a .shp of the firms. Both have an ID column (like school number 4 is partner ...
3
votes
1answer
258 views

Connecting points to polygon edges using angular bearing

I am trying to map some caves located along a coastline (using QGIS 2.18.3 with GRASS 7.2.0). The survey took place on a boat, so the GPS points were taken at sea. I have information on the angular ...
5
votes
1answer
734 views

Turn a map canvas into a vector layer in QGIS

I ran a program that created points on the nearest edge of a polygon, but it only appears in the iface.mapLayer() canvas. The code is taken from the answer in: https://gis.stackexchange.com/a/94428 ...
4
votes
2answers
337 views

Join a set of sequential points with individual line segments QGIS

My data set contains radar plots for flights on approach to an airport. For each unique flight I have hundreds of points as they are recorded every four seconds. Using Points2One I can join the points ...
2
votes
1answer
1k views

How to convert points into line without changing the attributes? [closed]

I have several points and its attributes. I want to classify them into some class, but I want to classify it in line shape. When I convert it into line, the attributes turn out to be one (one row ...
3
votes
1answer
248 views

How do I create line vectors with a new ID from points in QGIS?

I have a list of stations from which I would like to create a network of lines (the one created with the Delaunay triangulation would be fine) identified by a particular ID (for example, "AB" for the ...
1
vote
2answers
78 views

How to connect points to only nearby points

I have points for addresses and points for facades of the buildings in which the address lies. I dont have a buildings polygon shapefile. How can I connect each address point with only the facade ...
5
votes
1answer
460 views

Snapping a line over points?

I am looking for a solution that addresses this problem, but I have not been successful in my searches. After vectoring points on a raster, they are minimally aligned, as shown in the appended ...
1
vote
1answer
536 views

QGIS generate convex hull for common attributes that have many values

If I have a points file where the points share common attributes, what's the best way to draw a convex hull around those common points using QGIS?
1
vote
0answers
107 views

PointsToLine Failed to execute [closed]

Using this article as a guide, I've been trying to connect points to the nearest location on a line road feature class. This works until the last step, the Points To Line tool. It consistently gives a ...
2
votes
1answer
72 views

Identifying which tracks are too close together?

I have a point shape (yield logging data) and I want to find the tracks that are too close to another track. Usually the combine drives always with the same distance (e.g. 10m). I want to find the ...
9
votes
1answer
14k views

Turning GeoDataFrame of x,y coordinates into Linestrings using GROUPBY?

I have a dataframe of X,Y coordinates that represent points along the paths taken by several different entities. Pseudo-data here, but it is roughly of the form: entity_id lat lon time 1001 ...
3
votes
1answer
778 views

Extending lines to Points without altering original geometry using ArcMap?

Is there an efficient way to extend lines to points in ArcMap? I have a utilities dataset, where I do not want to change the original geometry, but instead add to it in order for end vertices of lines ...
0
votes
2answers
89 views

Create polygons from points

I have a points dataset, which contains what are essentially vertices of polygons. They represent a number of separate, discrete polygons, and there is a field delineating these by name. Using this ...
1
vote
0answers
902 views

Creating curved lines between two points in QGIS

I am trying to create curved lines between two point in QGIS. There are a few posts that show how to create these lines (hyperlinks below). However, I am having trouble executing the code in QGIS. ...
4
votes
1answer
4k views

Creating lines from points in QGIS, python error ( 'NoneType' object has no attribute 'asPoint' )

I'm new to Qgis, and i'm stuck with a simple task, I have a csv file with points coordinates and i would like to connect those points in a path, I'm working with wildlife movement data. i've tried ...
5
votes
2answers
140 views

Creating point precisely on line

In QGIS I wanted to move points to the nearest lines. I checked the solutions here, but there are using tools which I am not familiar to yet (PostGIS or GRASS GIS). I figured out my own way with using ...
1
vote
2answers
423 views

Creating weighted lines on map in CartoDB

I am trying to illustrate global trade flows within CartoDb. Flows are visualized by a line connecting two lat/long points on a map. The size of the flow would be represented by the width of the line. ...
1
vote
1answer
43 views

Verifying whether point lies on line or not when both given in GCS?

Googled and tried to look on Esri's forum but couldn't get anything. Rather got things which were verifying if the point is within a polygon or not. But I want to know, if I have starting point and ...
0
votes
0answers
246 views

Connect two points with fixed longitudinal slope over DEM - QGIS

Is it possible to connect two points with fixed longitudinal slope over DEM terrain or connect points with maximum longitudinal slope? Make road line between two point, for example 7% or make it with ...
9
votes
1answer
1k views

Creating points along line according to attribute data using QGIS?

I would like to create equidistant points along lines in QGIS, but each of my lines have an attribute of how many points should be on them in a column called "piece" and these values are different in ...
2
votes
1answer
1k views

Looking for an algorithm to quickly find the closest point on a road network (or other graph)

I am looking for a fast algorithm that will find the closest point on a line segment in a graph (such as a road network) to my test point. I'll try to be more specific. I have a road network graph. ...
1
vote
2answers
68 views

Deleting nearly identical points in one dimention

I have extracted values from a raster in table form, done some calculations and plotted these points as XY data, in which I hope to use to create a line. However due to the original layout of the ...
4
votes
1answer
82 views

Attribute data disappearing after converting points to line

I am currently working on a project strictly in Modelbuilder. I am trying to teach myself how to use it. I don't yet know how to use Python and am still in the early learning stage. My question has ...
1
vote
1answer
199 views

Create lines between two points, given an ID

I have a spatialite point table (p1) with an additonal column (pid) that relates each point to a point in another point table (p0) in the same database. I want to create a line between every pair of ...
0
votes
2answers
736 views

Create a line from points using cartodb.js

I would like to draw a line between multiple points without creating a new dataset. Using this tutorial I've been able to draw lines between points in the CartoDB Editor: http://docs.cartodb.com/...
2
votes
0answers
593 views

Point layer to route

So, in QGIS I'm trying to apply the script "Point layer to route". (See this website for a general idea about the script: http://anitagraser.com/2013/10/19/a-routing-script-for-the-processing-...
2
votes
1answer
529 views

How to create polylines from a point Feature Class linking all points using arcpy

I want to create polylines linking a bunch of points. Individual polylines must be created between every point. I started by reading the x & y cords and then created unique pairs as well as all ...
3
votes
1answer
3k views

Divide line by length with QGIS [duplicate]

I'm a newbie using QGIS 2.12 and I'm trying to split a line in QGIS and place points every x meters. There is a tool in ArcGIS (divide by length add in). How to achieve this in QGIS?
1
vote
0answers
287 views

Error 000725 using Points to Line [closed]

I'm consistently getting an error 000725 (Output Feature Class already exists) when trying to use the "points to line" tool in ArcMap 10.3 It's a points shapefile with 4 points and I just want to ...
1
vote
0answers
50 views

Connecting points to form lines, by only connecting points nearest to each other [duplicate]

I have a layer of points, that I hope to connect to form a polyline(s). The layer looks like this: I am hoping the end results traces the network that was originally used to construct the points: ...
1
vote
1answer
203 views

Connecting vertices to form a line without using an attribute

I have a number of multipoint features that form lines (hiking trails). I would like to connect the dots of each multipoint feature to generate line features, but there are no attributes with which to ...
1
vote
1answer
63 views

How do I create an outline layer for multiple blocks of points?

I have a series of points that mark the edges of excavation units, I would like to create a layer of an outline connecting the points. The end goal is a layer displaying a grid of the excavation units....
1
vote
0answers
90 views

Points to Path does not work [closed]

I have a data set from a collard animal separated by days, I want to create an individual line from each day of data to know how the animal has moved in the forest. When I use the plugin points2path ...
0
votes
2answers
5k views

How do I find the slope of road segments with point elevation data of the same linear path

I'm currently working on a project to calculate road grade along roughly 30 miles of highway. I need to isolate and portray all sections of road with more than a 5 percent grade; in hopes of finding ...