7

You are changing the line width of the wrong component (the 'fill' texture of the arrow). You need to go to the Arrow section (Fl├Ęche) and change the arrow width, etc. there. Have a close look at this screenshot from Anita's tutorial and see where she has used expressions/columns to modify arrow width on the right-hand side. See also her post here on ...


4

This is a still-unresolved issue in QGIS. There are lots of symbology options, and some of them will not be reflected in the legend. If you visit the issue tracker page, you will find multiple open bug reports and feature requests about this type of issue. Here are a couple of workarounds: If the arrow width appears correctly anywhere in the program (eg ...


2

I had to do something similar once and I used RT QSpider plugin. Steps: Install the plugin RT QSpider in Plugins > Manage and Install plugins Add the coordinates inside the attribute table of your shapefile of locations (if it is not already the case). To do so, you can use the tool in Vector > Geometry Tools > Export/Add geometry columns. It will create ...


1

I think what you see is the right result. The fact that those lines seem "long" to you it's because they are rendered on a flat representation of the Earth (a projection). Hence, if you try to draw by hands (editing) a line connecting a point to New Zealand directly and then you measure it, you should see it is longer than the others. This is due to the ...


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