All Questions
41
questions
1
vote
2
answers
68
views
Naming clipped files from layer mask?
I have to clip a quite large raster (corn crops) into individuals rows. It's working fine with the "Clip raster by mask layer" tool with a grid I created.
However, I need the clipped images ...
- 69
1
vote
0
answers
23
views
Clip all polygons inside the boundary of provinces to separate and calculate every inside polygons area
I need to calculate area of polygons inside every province but some of polygons are not exactly inside of one province and part of it is in one province and the other part is in another province. How ...
- 81
0
votes
0
answers
61
views
Raster masking keep old extent
I want to clip a raster file using for mask other raster file and in SAGA GIS provider tool QGIS QGIS Processing | Raster Tools | raster masking .
I realized the new masking file keeps in the ...
- 393
3
votes
1
answer
58
views
Delimit the loading "zone" in a shapefile
I have to make several atlases of a large region in France. My study area is relatively small compared to the entire region. However, most of my layers are related to the entire region.
As I intend to ...
- 71
1
vote
1
answer
537
views
Clipping raster by raster (0-1 range) using QGIS
I am supposed to clip 6 raster files of Europe by a raster of agricultural land in Europe (mask layer). Initially, to do that I vectorised my mask layer and then clipped the rasters by that. It seemed ...
- 79
1
vote
0
answers
15
views
Remove inner side of mask layer from raster (equivalent of clip raster by mask for the inner side, instead of outside) [duplicate]
Objective:
Clip raster by a mask but remove area interior to the mask (instead of the default exterior area, when using clip raster by mask)
Details of Attempts:
Clipping raster using the outer ...
- 95
0
votes
1
answer
493
views
Clip data while reading file into Python with GeoPandas
Geopandas is able to read in only part of a file using:
roi= geopandas.GeoDataFrame(geometry)
indexed_data = geopandas.read_file("path-to-file", mask=roi)
or
geopandas.read_file("path-...
- 71
2
votes
1
answer
4k
views
Rasterio mask doesn't work with shapely polygon
I have raster which I want to mask with shapely polygon.According the rasterio documentation, rasterio.mask can work with shapely geometry.However, in this case, it doesn't work.
whenever I use my ...
- 2,169
4
votes
2
answers
193
views
Removing overlapping margins on multiple rasters by clipping to polygon grid
I am using ArcMap 10.8
I have multiple digitized historic General Land Office (GLO) maps (JP2 rasters) that I am georeferencing. Each one aligns with a single rectangular feature within an existing ...
- 101
1
vote
0
answers
216
views
How to clip polygon by line feature QGIS?
The clip tool will only allow for clipping by another polygon, I would like to clip polygon features by a line feature. Had tried installing the digitizing feature however the cut by lines button is ...
- 169
0
votes
0
answers
503
views
Clipping OpenStreetMap basemap using QGIS
I'm using QGIS, and I am trying to clip my metro region data to only show the OSM basemap in the the metro region, using this thread:
Clipping OSM Standard Basemap using QGIS
I created an inverted ...
- 617
3
votes
1
answer
791
views
Cropping raster file with GDAL warp C++ API
I need to crop a DEM raster file with a shapefile. This shapefile has many polygons. I need to calculate several variables after the crop operation.
The algorithm is written in C++ so I want to call ...
- 310
1
vote
0
answers
762
views
Rasterio mask removes alpha band
I have a geotiff image that I am clipping to a geojson polygon using rasterio. When I load input the image in QGIS, it has an alpha band (4 bands total). rasterio says it only has 3 bands, which ...
- 4,229
4
votes
0
answers
822
views
Offset after clipping an image using rasterio.mask (illustrated with figures) [closed]
I want to clip an image named img_A of dimensions 14000x10000 using a polygon shape in order to get the same dimensions than another image named img_B of dimensions 1925x1372 (see figure 1 below). The ...
- 159
7
votes
1
answer
9k
views
How to clip raster inside of circle (python gdal)
I have a source raster and an ERSI shape file, want to crop the raster into the circle.
raster = gdal.Open("raster.tif", gdal.GA_ReadOnly) #read raster
projection=raster.GetProjectionRef()
...
- 81