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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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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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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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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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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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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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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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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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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
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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
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1 answer
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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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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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1 answer
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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
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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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How to align orthomosaics in QGIS?

I have processed about 8 orthomosaics from UAV data collection. They used RTK for georeferencing, but I guess it was not done properly. They did not use GCPs. Therefore, the orthomosaics do not align. ...
Jose Luis Landivar S's user avatar
2 votes
1 answer
42 views

Transfer NoData value with MosaicToNewRaster in arcpy

I am trying to create a mosaic dataset that keeps the properties of the original rasters. However, when I try to use arcpy's MosaicToNewRaster, the nodata type of -999999.0 is not carried over. I ...
ENIAC-6's user avatar
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Is there any way to merge multiple .cog files into one using python?

I need to merge several .cog files into one. I have tried using rasterio, rioxarray, gdal, etc but I have not been able to get it to work. The closest I have been able to get was through this function ...
Guzmán R's user avatar
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Mosaic to New Raster: Mosaic has different max values than component rasters - ArcGIS Pro 3.1.3

I'm currently working on creating a raster mosaic of NDVI means for my province. It involves 12 input rasters, each with varying min-max values but all with 1 band, 32 bit floating pixels, and the ...
e.jerome's user avatar
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pyModis createMosaicGDAL AttributeError

I've been playing around with the convertmodis_gdal module in pyModis. I've successfully downloaded HDFs, but I've run into a wall mosaicking them. The following is what I've posted on the pyModis ...
kaminka-krasovsky's user avatar
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Unable to Apply Shadow Mask on Mosaic

When I visualize the medianpixelsclipped, it shows the images but not for the mask_shadow. I have written another code where I have done the same for 1 image, and mask_shadow is working there. But ...
muhammad ali's user avatar
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1 answer
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The mosaic function in GEE is not functional when I filter the date

I am trying to calculate the NDVI using the Google Earth engine. my area of interest is not covered in one scene so I need to mosaic the required bands. but the mosaic function does not work when I ...
Ibrahim Sajid's user avatar
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1 answer
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Modification of my image when doing a mosaic

I'm trying to assemble a bunch of images with the mosaic method but I got some transformation in my images. Here's the code I use in Python : import os import datetime import rasterio from rasterio....
Aurélien Lengrand's user avatar
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Where can I find the example data to create a Mosaic of NetCDF files?

I am exploring the possibility of making a mosaic with NetCDF files. However, in the documentation pages (https://docs.geoserver.org/latest/en/user/extensions/netcdf/netcdf.html#mosaic-of-netcdf-files ...
Monica Rossetti's user avatar
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Traire a raster after mosaicking

I have to mosaic two rasters to have my study areas complete. The problem is that after mosaicking both images I get this result and I cannot find a way to homogenize the raster for presentation
amina k's user avatar
1 vote
0 answers
105 views

GeoServer Mosaic in Production Environment

I am using mosaic plugin to publish an image dataset with about 200 images(800MB each). The OOM(out-of-memory) errors show up after a period of time when tiling this mosaic layer. I follow the ...
Tommy's user avatar
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19 views

Land cover classification of different acquisition dates

I am doing a land cover classification of a large area, therefore all the images over the area do not all have the same acquisition dates. This results in my output having visible borders: The images ...
GISJess's user avatar
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35 views

Color correcting/balancing for mosaic hyperspectral raster images

I have two rasters (hyperspectral images with 810 bands). I need to mosaic them, and I am doing it in ArcMap using Data management tools>Raster>raster dataset>create raster dataset>mosaic. ...
Blut's user avatar
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1 answer
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After adding rasters to mosaic I can't see new raster without zooming in

Trying to merge rasters to mosaic with properties shown in picture below. After finishing, I can see new raster only after zooming in. Anybody knows how can I see raster without zooming in? I tried ...
educated_morron's user avatar
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0 answers
60 views

Mosaic to New Raster output discolored

I am attempting to mosaic 3 .tif files together using the Mosaic To New Raster tool in ArcGIS Pro. However every time I run the the tool the output comes out discolored (see attachment). I have ...
Robbie-G95's user avatar
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1 answer
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Visualize mean NDVI for the past 4 years Jan to Dec to distinguish cropland in GEE [closed]

My goal is to perform supervised classification in a large area using Landsat 8 images. Since the area has a lot of vegetation, it is challenging to accurately distinguish agricultural areas. To make ...
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1 vote
1 answer
127 views

How to mosaic two different land cover together in Google Earth Engine (GEE)

I have two different landcover class first code give me NDVI with 4 class(low-ndvi, moderate-ndvi, high-ndvi, very-high-ndvi) and second code (supervised classification) that is give me 2 class (water ...
Sajjad's user avatar
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53 views

Mosaic() function changes scale in GEE and disable Map.onClick to show results in Google Earth Engine (GEE)

I am trying to compute EVI and NDVI series for a period of three months for a random German forest area. The idea is to compute the VIs from all available sensors to get the best temporal resolution. ...
Felipe Coelho's user avatar
1 vote
0 answers
87 views

ASC to TIFF Conversion and File Merging using ModelBuilder

I am using ModelBuilder. I would like to: Convert catalog ASC files to TIFF format. Merge TIFF files into a single file. I am able to accomplish the first step successfully, but I'm struggling with ...
ajakJS's user avatar
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2 votes
2 answers
822 views

Mosaic and merge rasters iteratively using R raster package

I have a list of RasterStack objects. Some of them overlap and some of them do not. I need to merge all the files into a single RasterStack object to finally export it as a GeoTiff file. My approach ...
sermomon's user avatar
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0 votes
1 answer
27 views

Successfully mosaicking rasters in R, but the analysis is not showing values

I am mosaicking three rasters together. The raster are mosaicking together successfully and will plot but any analysis of the rasters returns NA. Here is the code: import <- raster("...
Koda's user avatar
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I can’t export the mosaic to Google Drive, it is exported in parts and weighs a lot

var collection = ee.ImageCollection('COPERNICUS/S2') .filter(ee.Filter.lt("CLOUDY_PIXEL_PERCENTAGE", 10)) .filterDate('2022-07-01','2022-08-30') .filterBounds(geometry2) ; print(...
Ayazhan Karabaeva's user avatar
2 votes
1 answer
394 views

Merge multiple geo-referenced *,jpg files into a GeoTIFF in QGIS

I have a set of georeferenced *.jpg files from a UAV flight and want to merge them into a GeoTIFF Mosaic. Is it possible in QGIS ?
David's user avatar
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1 vote
1 answer
1k views

How to merge overlapping raster data sets in GDAL for Python to select maximum value at each pixel

I am trying to merge a variable number of geotiffs into a single, clipped output geotiff, using GDAL 's Python bindings (or via command line). Requirements: there will be 2 to N input files each time ...
bphi's user avatar
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0 votes
1 answer
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Why can't my sentinel_1 image dataset be fully mosaicked?

I screened the VH polarization bands of the Sentinel1 images at different dates and mosaicked them, but the final mosaic images obtained were incomplete and only partially. Here is my code var ...
mengqian hu's user avatar
1 vote
1 answer
234 views

Mosaic to New Raster; Mosaic Function changes colors of images

I am working with a 5 band multispectral image with uneven lightening. I clipped the disturbed area out, corrected it, then tried to insert it back into the image. When I try to combine the two images ...
Caroline's user avatar
1 vote
0 answers
128 views

Flow direction outputs (ArcGIS Pro: Hydrology Tools) returning 255 values rather than 8 (D8 settings)

I am working with 10-meter resolution digital elevation models to produce flow direction raster images to be used ultimately for the watershed tool in ArcGIS Pro. When I use one DEM at a time, things ...
Kurtis_Fisher's user avatar
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1 answer
70 views

Get mosaic images metadata using CSW

I am trying to get metadata of each mosaic image element defined with its attributes using datastore.properties postgis indexing method. Is it possible to get that info in some way using Geoserver CSW ...
Goran's user avatar
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0 answers
68 views

Raster merge in QGIS still displays boundaries

I am merging 43 raster .BIL files and while the merge function works, the boundaries between the images are still visible. I have tried different settings in the Mosaic raster layers tool and the ...
redleesy's user avatar
1 vote
2 answers
92 views

Feed pixel type of tiles into MosaicToNewRaster()

I am automating the creation a mosaic raster dataset from thousands of individual elevation tiles and am tying to extract the pixel type metadata from the input tiles and specify this pixel type in ...
ENIAC-6's user avatar
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0 votes
1 answer
345 views

GEE CoLab How to clip a mosaic to a geometry from a shapefile?

Is there a way I can somehow grab the geometry from a polygon in a shapefile and use that to cut out my Landsat mosaic? I want my mosaic only to appear within the black-outlined polygon below. Map = ...
Rachel's user avatar
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1 vote
1 answer
491 views

Rasterio merge creates white stripes when rasters overlap and one of them has null value

I'm trying to merge 4 rasters I have in order to create mosaic. However, when I merge them, I get white stripes on the area where they overlap,despite the fact that one of them has non-null values on ...
ReutKeller's user avatar
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0 votes
1 answer
22 views

Creating mosaic with filenames for each pixel in ArcGIS Pro

I am producing mosaics from multiple processed landsat scenes. The final product contains maximum values from several rasters. I would like to connect the value in each pixel of the mosaic to the ...
MESUIN's user avatar
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0 votes
1 answer
277 views

Create H3 hexagons Mosaic

I am new to using Mosaic on Databricks. The task is to create a Heatmap with the counts within Hexagons of H3 resolution. Since the dataset is quite large I am opting for Mosaic. As the first step I ...
Shana's user avatar
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1 answer
412 views

Merging/mosaic raster list or raster stack

I am trying to figure out proper solution to combine >100 raster images. These raster images are individual animal utilization distributions (values 0-1) that are modeled using dynamic brownian ...
Nick Masto's user avatar

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