Questions tagged [merge]
To combine two or more parts into a larger whole.
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Value changes when merging Landsat bands to a multiband image using Rasterio in Python
I have two separate image bands from Landsat (L2SP) and would like to merge them into one multiband image (.tiff). I use rasterio package in Python in order to perform this task (see code below). The ...
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Stitching geotypes into a mosaic [closed]
How can I stitch satellite images using python, making the image connection borders invisible?
I am surprised, but there is still no ready-made solution for gluing a mosaic of typhus with adequate ...
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Union of 2+ point datasets with overlapping and non-overlapping lat/lon points
I have three point layers with n1, n2, and n3 number of points. Each dataset shares with the others a common set of points that refer to the same spatial entities. The lat/lon values of these shared ...
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Saving a merged layer changes attribute table columns to Asian characters
When I merge layers the temporary attribute table looks fine, with the expected column headings. However after I save the temporary layer, either by making permanent or by exporting features the ...
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130 TIF DEM file (total size 3 GB) become 7.4 GB TIF file after merging. Why?
I combined (Merge) 130 DEM maps via QGIS, taking up 3 GB in total. However, the total size of the combined file was 7.4 GB. I'm new to QGIS. It's only been a few weeks. I don't understand why the file ...
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tile-join is not displaying older tiles at higher zoom levels
I use tippecanoe to convert geojson file to pbf tiles using this command
tippecanoe -e output_dir -zg -Z10 --drop-densest-as-needed --no-tile-compression --extend-zooms-if-still-dropping -l features ...
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Merging DEM with different resolutions
I am going to merge two DEM raster files with different resolutions (5m and 12.5m). I would like to merge them in a way that they should keep their own resolution.
How can I do this in ArcGIS Pro?
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Looping through folders to find shapefiles and then merge them
I am trying to merge shapefiles into one shapefile by looping through folders. I merge them one by one by iterating through each file then merging it with an empty gdf that I set with columns that are ...
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Troubles merging many rasters into worldwide map
I am trying to combine 267 flood hazard maps into one single global layer in QGIS. While trying this with the raster>miscellaneous>Merge function I needed 250gb of space even though the combined ...
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Problem with merging rasters in QGIS
I merged rasters in QGIS, and the resulting image appears like this. The minimum value is -3.40282e+38, which seems incorrect. How can I solve this issue?
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Why do st_union and dplyr::summarise produce different results, with summarise giving me the object I want?
I have a file with 2013 geographical boundaries for NZ. The file looks like:
and the file overview is
I used to work with the rgdal and rgeos packages, and am now updating the code so that it works ...
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Merge two rasters with the rastercalculator
I like to merge two rasterlayers with the rastercalculator.
The Layer_1 rasterlayer have a rectangularshape with a NoData Area in the center (white area). The uniform value is 10 (green area) and the ...
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QGIS: Set two raster to the same height
I have 2 DEM raster in QGIS. I want to merge them, but they have a difference in height of approx. 9m. This means that when I merge them, there is a kind of break-off edge at the transition. Can I ...
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Adding cells to raster layer after merging raster layers in QGIS
The issue
I have a raster layer that represents a river catchment. I want to use it in software that requires the exit of the catchment to be at the edge of the extent. To do this I need to add some ...
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Merging arrays creates gaps betwen, the rasters
I merge many hundred rasters all in the same projection, same orientation, same resolution. The next raster should start where there last ended (no overly, zero gap).
I merge DataArrays with rioxarray'...
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