Questions tagged [cartography]
Using artistic and scientific principles for creating maps and graphically representing geographic areas
867 questions
2 votes
1 answer
343 views
Plugins for exploding map in QGIS
I would like to make an exploding map like this QGIS on (as in the countries with higher X are shown bigger on the map), what plugins can be used to accomplish this?
6 votes
3 answers
1k views
When do cartographers draw a line for the coast and when do they not?
I have noticed that on some maps the coastline is represented by a line in a different color or shade. Here is an example from Diercke Atlas, the most widespread school atlas in Germany: On other ...
4 votes
1 answer
140 views
Altering SVG symbol size in legend, but not in map canvas with PyQGIS
I have a point layer, which I customize the symbology setting a SVG icon on it (see reproducible code at bottom). The symbol size in the map canvas AND in the legend are the same (size 10). I want to ...
-1 votes
1 answer
67 views
How to off layer name from Legend while layer is on in Map Canvas in QGIS [closed]
How i can off layer name from Legend while i want to keep layer in on over map canvas in QGIS
1 vote
1 answer
105 views
What does circle with checkered quadrants or crosshairs in middle of bathymetry map indicate?
The bathymetry map below has a symbol in the middle of the map that is a circle with quadrants and dots in it. What does that symbol mean? Likewise, I've seen similar symbols in other bathymetry maps ...
3 votes
1 answer
81 views
Creating annular sector map print layout in QGIS
I am trying to create a print layout in QGIS that is shaped as an annular sector, the shape discussed in this other question: "Creating an annulus sector with mapbasic". Here is a figure ...
2 votes
1 answer
128 views
Mining grid map notation
I have a 1980’s Ontario mining map that has grid labels like this: 2E-4+27N (circled in blue). I want to learn more about that method of notation. What is it called? (I edited this post with a ...
1 vote
0 answers
86 views
What Projection String could be used for creating something similar to the Chinese Vertical Map?
I recently saw this Vertical Map made by a Chinese Cartographer. I want to create a similar map in QGIS, and for that, I need the CRS string or the Projection String. The only detailed information I ...
2 votes
0 answers
43 views
Cartographic work in 4326 QGIS project
I am working on a project in QGIS whose CRS must be set to 4326. The problem is that when moving around the project map (without zoom in or out) the scale does not remain constant. This is an ...
0 votes
0 answers
91 views
Classification based on two attributes in QGIS
I am using QGIS occasionally to illustrate landscape analyses, assessments and resources. Nothing too fancy at this stage. I have been wondering how I can classify my map based on two attributes. In ...
1 vote
1 answer
229 views
Making population density map in QGIS
I have a CSV file of Red Squirrel trail cam sightings. The file has multiple sightings for each trail cam location and includes date, time and location. Using the Heatmap symbology gives me a good ...
3 votes
1 answer
149 views
Excluding some values from the quintile classification in QGIS
I am working in QGIS with a vector layer of about 8000 records and I would like to use the graduate symbology, equal count (quantile, 5 classes) with a variable that contains some records to which the ...
5 votes
1 answer
269 views
Force label to be along the lower perimeter of a polygon in QGIS
Some of my grave plot numbers are rendering on the L/R boundaries of polygons rather than being always on the bottom line. How can I force this? These are my Label settings. I have tried the Angle ...
1 vote
1 answer
238 views
How to enable automatic georeferencing of hand drawn lines
Our company does a lot of bird surveys, we often need to draw flight patterns on a paper maps and convert these lines into shapefiles to create digital maps (e.g. of migration routes) for our reports. ...
1 vote
0 answers
227 views
Legend Spacing in tmap
My problem is that I am using tmap to create cartographic maps, and similar to ggplot I need legend spacing between the legend keys but I can not figure out how to implement the legend spacing in tmap....