How to Make a Study Area Map in QGIS, and When Not To

Reference
Study Area Map MakerThe browser route in full: five minutes to an exported figure, and the SVG stays editable afterwards.Open the Study Area Map Maker

QGIS makes better maps than any browser tool, given time. It also takes an afternoon to produce your first study area figure, and a good hour to produce your second if you did not save a template. Whether that is worth it depends entirely on what you are doing afterwards.

This is the honest comparison, including the QGIS steps in enough detail to follow.

Two columns compared. The left column headed QGIS route lists six steps from loading boundary data through setting the project CRS, styling layers, opening the print layout, adding a second map item with an overview frame, and adding scale bar and legend items, marked roughly an afternoon the first time. The right column headed browser route lists four steps, marked roughly five minutes every time. A footer lists the cases where QGIS is the right answer.
The step counts are not the interesting part. The interesting part is that the QGIS route only pays back if you are going to use the other things it can do.

The QGIS route, step by step

Get boundary data. Natural Earth for country and state outlines, or geoBoundaries if you need districts. Download the shapefile or GeoPackage, then use Layer, Add Layer, Add Vector Layer. For a study area map you usually want two: a countries layer and an admin level one layer.

Set the project coordinate system. Project, Properties, CRS. Choose the projected system your figure should use, typically a UTM zone for a small area or a Lambert conformal conic for a large one. Do this before you start styling, because changing it later moves everything and you will need to reset the layout extents.

Style the layers. Double click a layer, Symbology, set the fill and stroke. To highlight one unit, either filter the layer with an expression such as “name” = ‘Kaduna’ and duplicate it as a separate highlight layer, or use a rule based renderer. The duplicate layer approach is easier to reason about later.

Add your sites. Layer, Add Layer, Add Delimited Text Layer. Point it at your CSV, set the X field to longitude and the Y field to latitude, and set the geometry CRS to EPSG 4326 even if your project is in something else. This is the step people get wrong: the CSV is in degrees, the project is in metres, and QGIS will happily place your points in the Atlantic if you tell it the wrong thing.

Open the print layout. Project, New Print Layout. Add a map item and drag it out. Set its scale numerically in the item properties rather than by eye, because a round scale is easier to defend in a caption.

Add the locator. Add a second map item, smaller, in a corner. Select it, then in Item Properties open Overviews, add an overview, and set the map frame to your main map item. That draws the box showing the main map extent, which is the piece most tutorials skip and most people spend twenty minutes hunting for.

Add the furniture. Scale bar item, north arrow from Add Picture, grid from the map item properties under Grids, legend item, then Layout, Export as Image or Export as PDF or Export as SVG.

Where QGIS clearly wins

You have your own shapefiles: a licence block, a catchment boundary, a geological map, a concession outline. There is no substitute for loading your own vector data and styling it properly.

You need a specific projected coordinate system, either because the journal requires it or because you are measuring distances and areas off the map.

You are shading by an attribute. Choropleth maps of population, rainfall or sample density are core GIS work and nothing in a browser tool will do them properly.

You have raster data: a digital elevation model, satellite imagery, a scanned map to georeference. QGIS is the only sensible answer.

The figure has to be reproducible as part of a wider processing chain, so that regenerating it after a data update is one click rather than one afternoon.

Where the browser route wins

You need one figure, once, showing where your sites are. This is the majority of study area maps in the literature, and it does not require any of the capabilities above.

You do not already have QGIS installed and a spare afternoon. The learning cost is real and is mostly spent on the print layout, which is genuinely unintuitive the first time.

You want to iterate. Changing the extent, adding three more sites and re exporting takes seconds rather than a round trip through the layout manager.

A middle path worth knowing

Export the browser figure as SVG and open it in Inkscape or Illustrator. Every coastline stays a path and every label stays editable text, so you can add an annotation, adjust a label position or recolour something without going near a GIS. For the common case of this is nearly right, it just needs one thing moved, that is far quicker than rebuilding in QGIS.

If you want to try the fast route first, the study area map maker gets you to an exported figure in about five minutes, and the five minute walkthrough is the equivalent of the steps above.

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