Questions tagged [line]
A set of ordered co-ordinates that represent the shape of geographic features too narrow to be displayed as an area at the given scale (contours, street centrelines, or streams), or linear features with no area (county boundary lines)
2,109 questions
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Find intersection points of lines in the same shapefile where no vertices exists in QGIS
I've a very large linear shapefile wich represents pipes.
I need to determine the position of every intersection between lines in this shape, only where no vertices already exists (I think with 0,-1 ...
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Reducing spaghetti stick neighboring line density / clutter with SQL
There are too many red lines on my map. It's like little Johnny threw
too many spaghetti sticks on the floor. How can I systematically
undensify them, leaving just a few representative lines in order ...
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What is the distance between two lines in SpatiaLite?
In SpatiaLite's SQL functions for distance
relationships
we find
Distance() - return the distance between geom1 and geom2
MaxDistance() - return the max distance between geom1 and geom2
But we don't ...
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Problem with hatch when exporting legend in PDF [closed]
Why does this happen to the legend when exporting in a PDF?
Above and left ok,
right and below the hatch is sticking out over the edge
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How to have filled line symbology that merges rather than overlaps
does anyone have any ideas on how to get filled line symbology that merges with other lines rather than overlap?
In this image the lines are overlapping, not what I want (two separate features).
I ...
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In QGIS a line to infinity appears on a polygon when editing, how to elininate and prevent
I deleted the polygon, then digitized it again snapping to surrounding polygons and line ends. A line to infinity appeared again as I fine tuned the polygon where I had missed snapping to a few points....
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Drawing Lines Between Start and End Points from a .csv
So I have a .csv file which lists animal observations from a helicopter survey. one of the columns lists the species that was observed and the coordinates at which they were observed. Also within this ...
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3D line problem in QGIS
I'm trying to create a piste map of a small ski centre in Iceland using QGIS.
I've got a DEM of the area and have digitised the runs as line shapefiles.
When I go into 3D view and set it up so I'm ...
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"Joining" weirdly aligned polygon and line features in ArcGIS Pro
I have a polygon layer and a line layer, and I need the polygon layer to permanently retain an attribute from the line layer. Polygons should be matched with the line feature that has the most ...
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NULL Handling QNEAT3
I have been using qneat3 a lot for my transportation analysis. I have this case where there are several roads that are extremely prohibited to cross, only this particular line vector. I have an idea ...
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2
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Splitting polygons with line with Geometry generator, using QGIS expressions
The question
I QGIS, you can split polygons with lines using Split with lines algorithm. I want to do this in Geometry genrator, using QGIS expressions. However, there is no expression/function ...
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Finding the nearest line from point and writing the line’s end-vertex names into the point’s attributes in QGIS Field Calculator [closed]
I’m working in QGIS with three layers:
lines (LINESTRING)
test (POINT) — contains the point test1
vertices (POINT) — stores the line vertices, each with a name/ID field
For each point in test (e.g., ...
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1
answer
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Orientation of rectangular symbol on point layer, following line from another layer in QGIS
I have a rectangular custom shape on a point layer. I want this shape to rotate automatically to the orientation of the line of another layer it is intersecting with. The long sides of the rectangle ...
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2
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Buffering line vectors that only buffer along the length of the line in QGIS
I am trying to buffer some line vectors, however I ideally only want the buffers coming from the lengths of the lines rather than the buffers surrounding the whole line and coming off of the ends of ...
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Drawing nearest line between two points without crossing other lines in QGIS
In QGIS I want to draw the shortest line between 2 points (in this case a line between the circle point and the triangle point).
However, the shortest line created between two points cannot cross the &...