Linked Questions

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0answers
42 views

Exactly clip images to irregular polys

For web-mapping with OpenLayers 3x and JavaScript (front-end), is it possible to exactly clip ("made to look") images/rasters (Landsat-8 @ 15 & 30 m, Sentinel-2 @ 10 m) to the edges of irregular ...
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0answers
462 views

Clipping land cover grid with shapefile in QGIS

One very common application of GIS to ecology is to layer a set of vector polygons over a land cover grid (or some other land feature raster) and clip it to determine the percentage of the cover ...
4
votes
1answer
403 views

Cropping raster and merge it to overlapping DEM?

I am working with an existing DEM of a river and its surrounding area in QGIS (actually a virtual raster from four separate DEM TIF tiles). My goal is to add a bridge's profile to the DEM. I have a ...
2
votes
1answer
1k views

Clip raster (DEM) with vector layor in QGIS

I am trying to trim/clip a DEM with a shapefile layer. I read somewhere that the GDAL should be able to get the job done, but can't seem to get it to work. I have a raster layer and a shapefile layer,...
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votes
1answer
67 views

Clipping Raster Dataset in ArcGIS Desktop? [closed]

I have a raster image that I need to clip at the southern boundary of a vector dataset. Using the clip tool does not give me that option. I am using ArcMap 10.4 Is there an option to do this?
5
votes
1answer
608 views

QGIS - How to globe-rotate a raster around the Greenwich Meridian? [duplicate]

This is probably the easiest way to explain my problem: I'm not sure how to say what this problem is - is it that the shapefiles and the raster are using different longitudinal origins? (probably ...
7
votes
1answer
7k views

How to clip raster and split by individual polygons in QGIS

I have two layers. The first one is a vector layer with 6 polygons. The other one is a raster layer. I need to extract specific surface information for my polygons (average slope value). The ...
4
votes
0answers
338 views

Calculate average value of a raster, that is clipped by multiple polygons? [closed]

I have a raster of coherence value (SAR interferometry) and a land use shape. I wish to calculate mean coherence value for those areas with a specific land use. I split land use shape into specific ...
1
vote
0answers
83 views

Tilemill: Render a raster only where a shape layer is underneath

I'd like to mask a raster to only those areas, where there is a shape layer underneath. To be more precise: I have a land layer and a hillshading on top and I only want my hillshading to appear on top ...
0
votes
1answer
900 views

QGIS: Delete information from rasters and shapes that are out of country borders [duplicate]

I am trying to make topographic maps for some countries and show only those countries. I already created reliefs from SRTM-data and imported lake and river data from Natural Earth. Now I want to ...
1
vote
4answers
2k views

Clipping raster with vector layer using MapInfo?

With MapInfo 12, i would like cut my raster layer .tab with one of my vector layer. How to do this basic task with MapInfo? Is it possible with mapinfo to convert .tab raster table toward any ...
1
vote
1answer
198 views

Clipping aerial image pairs by their overlapping area

I have a set of aerial images which I am trying to clip by their overlapping areas, for use in a more involved program I am writing. Is there a command line based tool out there with an easy method ...
1
vote
1answer
424 views

Why does the Clipper tool lack the mask layer option?

Fairly new at QGIS, but everything's gone well so far. I'm running QGIS version 1.8 on a Mac (OSX 10.8) and GDAL 1.10, and other GDAL tools (like Merge and Georeferencer) work just fine. When I ...
2
votes
3answers
9k views

How to clip a layer file

I have a world imagery layer that I want to clip to a single county. I would just save as a JPEG and edit using other software, but this uses a lot of processing power if I want a high resolution. I ...
7
votes
1answer
2k views

Extracting donut holes as separate layer in QGIS?

Does anyone know how I can extract the holes in a polygon layer as a separate layer in QGIS? An example could be a country with a number of lakes cut out of the polygon - I need the lakes.

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