1

I had a question in QGIS Buffer distance vs Distance in Distance Matrix

which in turn made me to change my project CRS from EPSG: 3857 to EPSG: 25832.

My project location is in the middle of Germany (Shown in the image with the green dot, that i added manually)

But then, i queried some data from Quick OSM, only for it to appear somewhere in south of France. (Shown as the red dot)

First query

At first I realized that the OSMquery layer have a different CRS than my project. (EPSG: 4326), so in turn, I changed the layer CRS from the OSMquery to my Project CRS, which is EPSG: 25832, but then this happened:

query after CRS change

The red dot (Representing the layer with changed CRS) appears on the sea near the African Continent!

Did I do something wrong? Is there a way to repair this? Is there any command I have to change in the QuickOSM? Or is this a problem with the CRS? Or I just missed a setting somewhere? (Note: I am very new to GIS software in general)

Improve this question
7
  • The layer with the dot has a feature with a geometry (the dot) which have its coordinates in longitude and latitude. E.g, a numer of this order (60 , 30). When you set the layer CRS, the coordinates of the geometry does not change, but changes the interpretation of its coordinates. If you want to reproject the layer to another CRS, you can Export it (with right click) to another CRS instead of set a CRS for the layer.
    – Gabriel De Luca
    Commented Dec 23, 2019 at 1:59
  • Done this, and now it is at least not landing in Africa; but the coordinates from OSMQuery is originally (probably) wrong... That the called data all landed in the South of France..
    – necrohiero
    Commented Dec 23, 2019 at 8:38
  • I think that the basemap is not being reprojected. QGIS usually costs a lot to reproject to a UTM zone raster layers that exceed the zone. More or less this is how it should look: i.sstatic.net/itfMQ.jpg
    – Gabriel De Luca
    Commented Dec 23, 2019 at 9:18
  • How did you do that? Sorry for the seemingly dumb question.. Did you use another type of XYZ Tiles? I haven't had this problem before because the first time i was working with GIS, it was with Indonesian area, but it is near equator, so the problem with the distance and all was not noticeable. Now other CRS, and these problems appeared.
    – necrohiero
    Commented Dec 23, 2019 at 9:36
  • My layer is a raster layer with a physical map of the world. My raster layer has its own CRS. When I change the canvas CRS to the UTM zone, the raster layer is being reprojected on the fly to that zone. But QGIS makes a hard use of the CPU for that. I can export the raster to the UTM zone CRS and have it reprojected. But that is not possible with the basemap tiles. You can download a Natural Earth globe dataset map and use it instead of the basemap.
    – Gabriel De Luca
    Commented Dec 23, 2019 at 9:52

0

Reset to default

Browse other questions tagged or ask your own question.