Posted on January 21, 2023 (Updated on July 10, 2025)

Create a raster mask using another raster in QGIS

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How do I create a mask from raster in QGIS?

Quote from video: Hello in this video we're going to clip a raster using a mask in this case we'll clip the dem. With the bounding box polygon. The dem and the bounding box have the same projection go to the raster

How do I clip a raster with another raster in QGIS?

Quote from video: It we can do with any raster without loading any more data and we can still specify things pretty exactly. So let's click click raster by extent. And this is going to give us a a rectangular extent.

How do you clip a raster with another raster?

Using the tool Clip, use the 2ft raster as the “Input Raster” and the shape from point 4, as the Output Extent. You will need to ensure that the “Use Input Features for Clipping Geometry” box is checked. Assign an “Output Raster Dataset” and click ok. Use the tool Mosaic to New Raster to merge the two rasters together.
May 23, 2013

How do you make a raster mask?

Binary Rasters

  1. Display an image that you want to mask.
  2. From the Toolbox, select Raster Management > Build Raster Mask.
  3. Select the input file and click OK.
  4. From the Mask Definition dialog menu bar, select Options > Import Data Range.
  5. Enter a minimum and/or maximum value in the Data Min Value and Data Max Value fields.

How do I create a masked image?

Quick steps for creating a clipping mask:

  1. Select a text or graphic layer to fill with an image.
  2. Click Fill with image on the tool palette & choose an image.
  3. Select Edit image fill on the Text Tools panel.
  4. Adjust the image behind your text or shapes, then click Done.

Dec 3, 2021

How do I copy an image into a mask?

To paste content from the clipboard into a layer mask, Option -click (Mac) | Alt -click (Win) the Layer mask icon on the Layers panel to make it visible. Then, select Edit > Paste.
Aug 22, 2017

How do I combine two rasters?

Open the Mosaic To New Raster tool by navigating to ArcToolbox > Data Management Tools > Raster > Raster Dataset.

  1. Insert the raster files.
  2. Select the output location.
  3. Specify a name and extension for the output.
  4. Specify the pixel type.
  5. Specify the number of bands.

Apr 9, 2021

How do I merge two rasters in QGIS?

Quote from video: And this is actually super easy to do. So we're going to use the g down merge tool and there's two ways to find it we can come down here to the bottom left corner. And type merge.

Can you merge rasters?

The Merge Rasters function groups or merges a collection of rasters. Use this function when you have multiple rasters that you want treated as a single item, such as calculating the same statistics for all images, or when color balancing so you don’t need to color balance each image separately.

How do you use a raster mask?

Quote from video: So go to the bottom which is called add raster mask it's sort of like a rectangle with a circle in the middle with the layer you want selected make sure the thumbnail mask is selected.

What is raster masking?

Masking is a common operation in raster processing. It is setting certain cells to the NoData value. This is usually done to remove low-quality observations from the raster processing. Another related use case is to “clip” a raster to a given polygon.