Questions tagged [transects]

a path across the Earth's surface along which observations are made or measurements taken, for instance counting and recording occurrences of species/features.

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Drawing transects using point layer as start point

I'm very new to QGIS 3 and I have a problem. I got a point.shp indicating coastal transects long the world's coast set 500 m apart. I selected a subset projecting only the sandy transects along the ...
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Creating perpendicular lines along stream at points

Using ArcPy, I'm trying to figure out how to draw perpendicular lines along my Streams feature class. I have a set of points, that are snapped to my stream centerline. I've seen the "Generate ...
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Creating a points layer from a CSV file with distances along a line, based upon a known vector in QGIS?

I have transect data with know start and end lat/long and length for each transect, which I have made into a vector shapefile in QGIS. I want to add points for each sighting along the transects, which ...
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Creating arbitrary profile?

I am trying to create a transect profile and extract information for each specific bands of Landsat which will be further used to create a transect graph. Is there any direct way of achieving this ...
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1answer
74 views

QGIS under measuring distances

I want to create some transects and a grid with specific lengths, but I realized Qgis is under measuring distances. For the transects I used "Advanced digitizing" (100m lines) and for the grid I used "...
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1answer
189 views

Generating transects perpendicular to Shapely/Geopandas Line

I'm doing an analysis on transects going perpendicular to a 1000m topographical contour line and I'm struggling to find a good way to create evenly spaces transects perpendicular to that contour. As ...
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1answer
48 views

Avoiding intersecting lines in transect generation

I'm trying to generate transects using the QGIS transect tool under vector geometry as a step in generating an interpolation layer. Unfortunately, the transects are intersecting, which will lead to ...