When it’s important, you can use QGIS symbology to display the digitization direction of lines.
To do this, follow these steps: first, open QGIS and add your vector file.
Right-click on the layer and select Properties > Symbology.
Click the plus symbol to add a new symbol layer, and choose Marker Line as the layer type.
For repeated display, select the On Central Point option. When you select the On Central Point option, symbols will be displayed at the central points of the lines, allowing for a clearer representation of direction or information related to specific locations along the line.
Change the Simple Marker to a triangle and set the rotation to 90 degrees.
In conclusion, using QGIS to customize line symbols, such as rotated triangles, significantly enhances clarity and effectiveness in visualization. These adjustments not only facilitate the interpretation of direction but also contribute to the professional appearance of the maps. Proper use of symbols can improve communication with users and make the information on the map easier to understand.
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