How to draw a line or shape in QGIS
Тәжірибелік нұсқаулар және стиль
How do you draw in QGIS? In this video, we tackle a task that is simple in some programs but requires a couple of extra steps in QGIS. Once you know these steps, however, you will unlock the ability to create your own points, lines, and polygons and exercise full control over your project.
The process involves first creating a 'host' layer - either a shapefile or a geopackage - which is saved to your computer. You must set the geometry type according to what kinds of shapes you want, plus the correct CRS (usually, the same CRS your project is in). By enabling layer edits, all the vector graphic options of QGIS will become usable. The final - and most important - step is saving those edits, a separate function to saving the project.
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Thanks, It would be nice to add how to place your line/polygone at specific points (e.g how to create a line from coordinate 1 to coordinate 2)
Thanks for the clear explanation. Appreciated from a QGIS learner👍👍
Thanks for the clear explanation !
Brilliant clear explanation. Thank you.
Legend mate - very clear
Cheers m8 I'll check it out.
Thanks for the good demo. How do you edit existing polygon?
Thank you very much!
@Archiblog
Ай бұрын
4:24 Add Polygon
How do I do like a free hand editing?
Thank you this was helpful!! Is there a way to make the lines a specific length??
@BolwarraMedia
4 ай бұрын
I am not sure with the default tools, not like in other CAD software, at least. But to create a line with a specific length, you can do it through creating points and then use the vertex editor to give them specific co-ordinates. You must create a point-style layer, turn on editing, create the points (place them wherever), and then right-click on one point to bring up the vertex editor panel. If you are using a CRS with metres as the unit, you would then change the co-ordinates of one of the points to be X metres away from the other. You'd then draw a line snapping to those points with your main lines layer. It's a bit round-about but that's one way to do it. The other would be to draw in Rhino, AutoCAD, or VectorWorks and export as a DXF and import directly!
It won't let me save rectangles?
@BolwarraMedia
10 ай бұрын
Check your projection system. Some geometry can misbehave if you have more complicated CRSs and the new layer doesn't share the CRS.