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I am tasked with creating a series of maps in 1:25000 scale of a certain area of Spain. From the ING website (Spanish National Center for Geographical Information), I can download several maps for the area, either in COG (Cloud Optimized GeoTIFF) or ECW, with TFW and PRJ files included, or in GeoPDF/DNG with .cul files included. Being quite new to GIS, I am at a loss as to how to use QGIS to create my own maps using this information.

So far, I have tried importing as GeoPDF, in which case I get only labels without the background image, and as COG, in which case the maps overlap with each other due to some weird white outlines.

The final goal would be to:

  1. Import all the necessary maps into QGIS so that I can have a unified raster map that I can edit.
  2. Add some legends and labels.
  3. Export/crop certain areas of the final map for printing, ensuring that scale stays 1:25000.

Is what I am trying to do the proper way to accomplish my objective?

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  • This question is a lot of questions, you should probably repost as several questions with more focus. One might be something like "I have downloaded these COG datasets [link, link] and I get some weird white outlines [image]. Why?". There's also a big question here about what you are trying to show on your map (roads, places, buildings? we don't know) and whether you can do what you need with raster images or if you need to style vector data.
    – Spacedman
    Commented Jun 11 at 16:29
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    If what you need is a basemap for your info, install HCMGIS plugin in QGIS and you will have a wide variety of them.
    – Pepe N O
    Commented Jun 11 at 16:29
  • @Spacedman, I will go ahead then and repost this as several questions. I am not sure how to go about it, though, since I am not even sure what format I should be using. I think that since I want to use the same labels and basemap as the database, raster should do.
    – andrés
    Commented Jun 11 at 16:36

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