How to get rid of black background in QGIS?

How to get rid of black background in QGIS?

If you are using QGIS, you can remove the black background/edges via properties -> transparecy, there you set the No data value to 0. In any case, my answer is almost 2,5 years late, however this answer might be useful for someone facing some problems at present time.

How can I choose to remove only the black area around clipped raster?

So there is a lot of differences between the original raster to the clipped raster How can I choose to remove only the black area around the clipped raster? finally, I found this solution: I put on top the layer with the desirable area i want to crop. then in the clipper function, i mark those two options:

How to create a mosaic image in QGIS?

Open QGIS and go to Layer ‣ Add Raster Layer… Browse to the directory with the individual images. Hold down the Ctrl key and click on the image files to make a multiple selection. Click Open. You will see the images load up in the Table of Content on the left panel. Now let us create a single Mosaic image from

Which is the latest version of raster mosaicing and clipping?

A new and updated version is available at Raster Mosaicing and Clipping (QGIS3) This tutorial explores some basic raster operations in QGIS such as viewing, mosaicing and subsetting. We will download some public domain raster data for Brazil and view it in QGIS.

How to force QGIS to remove polygon borders?

Forcing QGIS to remove polygon borders? I have a GML layer representing an hexagonal grid that I would like to include in some maps. In QGIS (version 2.14.2) I applied a graduated style and completely removed the polygon border: However, in the map canvas the borders are still being portrayed:

How to remove the black border on a scanned map?

But if those two things are under control, using GIMP to edit scanned and georeferenced maps is exceptionally useful. Go to Properties on the raster image; go to the transparency tab; where it says “Transparency band” add bands red, green, and blue with a 100% transparency on them and then click apply.

How can I add a black border to my raster?

You can either add values manually (type them in) or add values from the map using the color picker (click on black border of your raster). As @Zoltan notes, however, this may cause some loss of black pixels in your raster.