Why do quickmapservices basemap labels shrink when printed?

by twilliams   Last Updated July 12, 2019 16:22 PM

I am using QGIS with quickmapservices for my basemaps. In the composer the image looks good, with labels appropriately sized.

enter image description here

When I go to print the PDF however, the scales on everything is much smaller, yielding unreadable labels for street names, etc.

enter image description here

Is there any way at all I can mitigate this, without taking a screenshot of each atlassed image and pasting it into my final result?



Answers 2


Well, you could use a program named MOBAC to create an Atlas of raster tiles at the Zoom you want by using the WMS of the basemap you selected. Since the data extracted is georeferenced this should be quite easy. Your basemap might even be included in the starter pack from what i see, so no need to tinker with some XML queries if you're lucky. Be carefull however, do set your output data and format right before using MOBAC. Make sure you've got my sqlite database as your output, i find it easier to load that way.

If the WMS isn't already set you'll need to go inside the mapsources folder inside MOBAC and create a new xml file containing the following informations:

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
  <customWmsMapSource>
  <name>Name inside MOBAC</name>
  <minZoom>0</minZoom>
  <maxZoom>18</maxZoom>
  <tileType>TIF</tileType>
  <version>1.1.1</version>
  <layers>wanted_layer's_name_here</layers>
  <url> Url of the wms </url>
  <coordinatesystem>wanted output coordinates system</coordinatesystem>
  <aditionalparameters></aditionalparameters>
  <backgroundColor>#000000</backgroundColor>
</customWmsMapSource>

Another way to solve your issue is to simply use the function export as image built in QGIS to export your basemap visualisation, without the vector data you've applied to it, as a Tif tile.

Their has to be some faster way to do this thaugh.

Moreau Colin
Moreau Colin
April 27, 2016 14:50 PM

Ive been working on a project for the past 3 months and have exported quite a few maps since then without any problems. For some reason the same thing started happening to me today. I havent changed any setting to my knowledge. Cant figure out why this is going on.

Using QGIS 3.4 Madeira

JRamos
JRamos
July 12, 2019 15:53 PM

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