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Questions tagged [mosaic]

A raster dataset composed of two or more merged raster datasets—for example, one image created by merging several individual images or photographs of adjacent areas.

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0 answers
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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 ...
Кирилл Ярков's user avatar
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0 answers
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Raster image broken when zoomed out

I used the mosaic to new raster tool to combine 7 .tif images and the tool worked however when I am zoomed out the new image is broken up. When I zoom back in the image has no breaks and looks ...
Keri Hough's user avatar
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0 answers
14 views

When publishing an ImageMosaic, there is a failure to properly recognize Null Values for multiple rasters and no data area's gray value is 0

I am attempting to publish a batch of rasters as an ImageMosaic WMS service, with each individual raster having a No Data value set to 255. The raster details(gdalinfo tool get) are illustrated in the ...
苏云明's user avatar
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1 answer
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When WMS renders grids, areas with no data are rendered in the color corresponding to the '0' value

2024/6/25 Rephrasing the original question I have published some single-band rasters as an ImageMosaic and exposed them through a WMS (Web Map Service). When I load this WMS service using OpenLayers (...
苏云明's user avatar
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2 answers
57 views

The raster generated through ArcGIS in TIFF format exhibits black areas when published as WMS where raster data sources using an image mosaic

I have created a four-band raster dataset (true color surface data) using ArcMap 10.8.1, wherein the fourth band serves as the alpha band. The dataset includes external pyramid files (.ovr), as ...
苏云明's user avatar
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1 answer
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Mosaicking images within an image collection with the same day and month but different years

Following on from Mosaicking Image Collection by Date (day) in Google Earth Engine I wish to mosaic images for the same day of year, but across multiple years. For example, if I have a collection of ...
Jack's user avatar
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-1 votes
1 answer
57 views

Histogram matching high-res tiles to satellite image tiles

I have a 3-trillion pixel mosaic TIFF image made from 1-meter NAIP imagery. The NAIP imagery has significantly different values from area to area so seams are quite evident. I have a sentinel-2 TIFF ...
Jeshua Lacock's user avatar
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1 answer
42 views

Mosaicking hyperspectral images with band averaging over overlapping areas

I'm trying to use gdal.Warp to mosaic hyperspectral images with overlapping boundaries, but want to be able to do so while getting the average values of pixels within these overlapping ranges. The ...
monicaJ's user avatar
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0 answers
43 views

QGIS - cloud masking and how to mosaic

I have downloaded two Landsat 8 images for the year 2015 (one from May and one from July) from Earth Explorer and they both have minimal cloud cover. I'm at the pre-processing stage, where I want to ...
anonymous's user avatar
1 vote
0 answers
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What are the shades (vertical lines) in the orthomosaics?

I am an expert on my field. I work with remote sensing. Mostly UAVs. I collect datasets and extract features from it. This year, I started collected with the Astro Freefly and the Sony A7RIV sensor (...
Jose Luis Landivar S's user avatar
1 vote
1 answer
32 views

Gdalwarp assigning zero values outside input raster extents

I'm attempting to combine several GeoTIFF files into a single mosaic raster using gdalwarp: import os os.environ['AWS_NO_SIGN_REQUEST'] = 'YES' file1 = "https://dea-public-data-dev.s3-ap-...
Robbi Bishop-Taylor's user avatar
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1 answer
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Load granule subset (tiles) from mosaic based on shapefile footprint (grid) with QGIS

I downloaded DTM RGE ALTI® from french IGN here The directory contains a mosaic of granules : I would like to load only a subset of the mosaic. The dowloaded product contains a shapefile named ...
jlSta's user avatar
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1 vote
0 answers
32 views

Merge Arrays (Mosaic) larger than RAM

I have a bunch of GeoTIFF files. These are about 100 GB on drive, when using compression with zstd (speed level). Hence, when loading, they are still much larger. I can load them in rioxarray with ...
tetje's user avatar
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2 votes
1 answer
172 views

How to estimate amount of disk space required for gdal.Translate?

I've got a raster dataset (>10000 tiles) I want to merge into one single file (mosaic). For this purpose, I'm using a 2-step algo: create a .VRT file with gdal.BuildVRT (no options) create a .TIFF ...
druid's user avatar
  • 63
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0 answers
31 views

GeoServer mosaic - Innertiling slow

I have mosaic rasters/vectors from db - as a layergroup. Individually layers do work quite well, and as a group decently at mid zoom/low high, but when zoomed to close, rendeering gets really slow. ***...
Tomppeli's user avatar

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