Questions tagged [qchainage]

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Route numbers changed by QChainage

I am a fairly new user of QGIS 3.6: I have a river system consisting of a main stem and several tributaries. In preparation for using LRS (to create 'events from an XL table with chainages), I first ...
2
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0answers
29 views

QChainage only works on first part of merged line

I'm trying to merge a number of lines into a single line for chainage purposes. Each individual line is created using OpenRouteService, then merged into a longer continuous shape using Edit > Merge ...
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0answers
53 views

QGIS: Add attribute from polyline layer to point layer [closed]

I want to add an attribute from a vector line layer to a vector point layer. The vectorline is railwaynetwork. It has been divided into segments automatically. To process the data further I had to ...
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1answer
144 views

Calculating overlapping of lines using QGIS?

I have a GeoPackage that includes series of lines, each line corresponds to the itinerary of a person from point A to point B. I would like to know how to calculate the overlapping of lines (the ...
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1answer
147 views

Chainage plugin (Qchainage) not starting at the beginning of line

Chainage points not beginning at the start of each line - using QGIS 2.18.2 and Qchain plugin I select the lines layer I'm working with, adjust chainage to every 10m and select "show label". Can ...
4
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1answer
157 views

QChainage doesn't place points evenly along dissolved lines

I am trying to add mile markers to interstate centerline data. I've tried both the native dissolve tool (which freezes QGis) and SAGA line dissolve to create one continuous line. When I run the ...
1
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1answer
249 views

Changing from degrees to meters with QChainage plugin?

I have some difficulties changing degrees to meters, My CRS is WSG84, EPSG:4326, On googling they all change the CRS to handle it (some CRS will be meter when using QChainage), but I can only use ...
2
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0answers
228 views

Qchainage: python error with QGIS 3.2

I get a following python error while working with QChainage-tool in QGIS 3.2. Because of that (assumably) the OK-button is also greyed out. My goal is to retrieve start and end points of line features....
2
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1answer
313 views

Create Points at 10 Meter intervals along line with QChainge

I have a route network and want to add every 10 meters a point with the 'QChainage' plugin. I first used 'join multiple lines' to make the route a single section. Then I transferred my CRS to my ...
0
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1answer
119 views

Running QChainage from python script in QGIS?

I'm fairly experienced in both python and QGIS but not so much together. I have a series of vector lines I need to run the very useful QChainage plug-in on to get points every 1000m. I have about 200 ...
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2answers
369 views

Create points at 50m intervals along line in EPSG:4326

I have read multiple post on how to create points along the line. I have lines that represent routes. On this lines i would like to create point at the distance of 50m. I have tried different things: ...
0
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1answer
97 views

Why does Q-Chainage sometimes offer meters and sometimes degrees?

Q chainage is a plugin which puts regular points on a line vector at regular intervals which you can specify. For a shapefile I've been given (and converted to line vector), it offers me to specify ...
1
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1answer
81 views

Q-Chainage plugin. Chain points layer does not save properly

Using Windows 10, QGIS latest version. Use Q chainage (vector plugin) to make a chain of points on a boundary (line vector layer). I save the points layer (as layer definition file), and also save the ...
3
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0answers
55 views

After dissolving lines, old node/vertex order does not reset, causing issues with chainage

In QGIS, I am trying to dissolve multiple segments of a river feature and then calculate chainage on the resulting single feature. However, it seems like the internal node/vertex order gets preserved ...
5
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3answers
2k views

QGIS plugin that adds a point along a line at a specified distance?

I'd like to have a polyline layer that has distance from the line origin inserted as marker points along the lines. The distances are stored in the attribute table as a field. The lines have ...
2
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2answers
418 views

Points that get created in the wrong order when using e.g. QChainage?

I have a polyline layer (road) that I want to use to get a point layer with 1 km between the points. I have tried both 'QChainage' and 'Locate points along lines' to do this. They both work, I get ...
4
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1answer
3k views

How to find Chainage of points using QGIS

I have two types of Road shape files. Road (Polyline) and important points (waypoints) along the road. Both of these shape files are prepared using GPS. I want to find the chainage of the points. Is ...
2
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1answer
3k views

How do I create a set of equally spaced points along a line using QChainage and export these as latitude and longitude coordinates in degrees?

In QGIS 2.2.0, how do I create a set of equally spaced points along a line using QChainage and export these as latitude and longitude coordinates in degrees? I am using the QChainage function in QGIS, ...
2
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1answer
1k views

How do I plot a line on a map, or obtain the latitude and longitude coordinates of such a line, that is 120km north of the US-Canada border?

How do I plot a line on a map, or obtain the latitude and longitude coordinates of such a line, that is 120km north of the US-Canada border, including parts of the border that cross water? (I managed ...