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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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How to sample points from temporal layerstacking image including null or masked value in Google Earth Engine?

I'd like to sample points from temporal Sentinel-2 images covering a state, about 13 month's mosaic image were stacked into a new image. When I sampled points on the image, I got nothing. I think ...
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How can I sample points from images mosaic in Google Earth Engine

Rodrigo E. Principe did a great job for Mosaicking a Image Collection by Date (day) in Google Earth Engine (https://code.earthengine.google.com/20ad3c83a17ca27b28640fb922819208) based the code, I ...
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21 views

Merging layers with preferences or ranks using ArcGIS Desktop?

I want to make a "Mosaic" or a "Compilation" of 20 shp. layers which some of them are overlap. The layers has a field named "Year" and I want the newest be on top and delete the overlap older shps ...
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29 views

Combining 3000 rasters while keeping their records using ArcMap

I have 3000 rasters (counties in the US) with two values in each one (number of pixels for two groups). I would like to join them all to create a mosaic so that I can easily just export one table for ...
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GeoServer ImageMosaic coming out blank with overlapping images [solved]

I'm trying to combine multiple "strips" of imagery into a single mosaic. Each of these strips is composed of many .tif files, and I have a directory with multiple subdirectories, each which contains ...
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22 views

“Mosaic to Raster” operation results in errors 000999 and 999999 (ArcMap)

I have about 20 raster files (open source UK LIDAR DSM data) that I would like to merge/mosaic into a single raster file (image 1). However, every time I run the "Mosaic to Raster" operation I ...
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30 views

Getting mosaic with NIR TIFF files?

I'm new in GDAL library for Python. What I'm trying to do is to merge or get a mosaic with a lot of NIR pictures captured by a Parrot multispectral camera. The pictures I get from this camera comes in ...
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Mosaic UAV image step by step using ArcMap?

I have 20 pieces of UAV image, and using ArcMap i want to mosaic it all to become one raster but step by step, what i mean is mosaic image 1 & 2, image 3 & 4 ...... then result of 1&2 ...
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36 views

Why isn't merge in QGIS working for me?

I am attempting to merge 153 geotifs into one large geotif of the Portland area. This is what my rasters looked like before the merge: Here is a zoomed in image: This is what the raster looks like ...
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27 views

Stripes between 2 images of Sentinel 2A (Level-1C)

Why do i get these stripes between 2 images of Sentinel 2A? (Figure) I notice that this happened for 2 images of different sensing date (even they're just 3 days away). Has anyone had this ...
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Mosaic To New Raster (ArcMap 10.5) one raster is missing in new Raster

I have several Raster Datasets (DGM). They all have different columns and rows. They have the same bands, pixel size, type and depth and the same coordinate system. When I choose the Tool Mosaic to ...
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23 views

Details and differences about how .median(), .mosaic() and .qualityMosaic work in Google Earth Engine

I am currently working on a classification algorithm which requires to account for cloud cover before I train on my images. I am currently trying with sorting according to CLOUD_COVER and then masking ...
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1answer
37 views

Mosaic Landsat Scenes for NDVI Generation

I would Like to generate an NDVI map for my study region, which is positioned between three Landsat scenes. Which method suits: 1) compute NDVI for each Landsat scenes and then mosaic or 2) Mosaic ...
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1answer
42 views

Smooth mosaicking of smaller orthomosaics to form a homogenous mosaic

This image below is generated using Erdas Imagine where I used mosaicpro tool to create a super mosaic of orthomosaics generated using PIX4d I used following options: Color Balancing Color Dodging ...
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32 views

Combining multiple mosaics into single one using ArcMap?

I collected 615 images with Phantom 4dji. My computer couldn't process all of them together on Agisoft Photoscan, so I separated my photos by area, making five orthophotos. My goal is to combine all ...
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74 views

Using gdalwarp to merge bands into a mosaic created by gdal_merge?

I have created a mosaic with gdal_merge.py using the following command: gdal_merge.py -createonly -separate -co PHOTOMETRIC=RGB -o merged.tif LE07_L1TP_046030_20180810_20180810_01_RT_b3.tif ...
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Automated Mosaicing Two Modis Snow Raster Timeseries Datasets

I am conducting a study on snow cover variation in Lebanon. I have downloaded all daily Modis tiles MOD10A1 covering the study area for the period of 2000-2018. As Lebanon is located on the boundary ...
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25 views

Copy raw rasters referenced by a Mosaic Dataset in ArcGIS Pro 2.2.1

Is there a tool in ArcGIS Pro 2.2.1 that allows me to select and copy the raw underlying rasters referenced by a Mosaic Dataset to a folder?
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16 views

mosaic rasters retaining original symbology

I am trying to produce an animation of surface runoff flow in ArcGIS 10.4 showing buildings change their colors when runoff of certain depth hits them (e.g., when flow depth<=10 cm, building remain ...
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51 views

How can I merge a DEM mosaic with an overlapping bathymetry raster (while keeping only the portions of each that I want)?

I am tasked with merging a bathymetry raster with a mosaic raster I created from ArcGrid DEM Tiles downloaded from the National Map, for an areal extent spanning the Coastal Lowlands Aquifer System. ...
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54 views

Combining several raster tiles of DEM using ArcGIS Desktop?

I downloaded the DEM data from USGS. It comes with several raster files in .img. I know that a mosaic tool can merge them together. I found a lot of tools in the mosaic toolset. Which one should I ...
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17 views

Reclassifying raster dataset that is output of Mosaic to new raster?

I am trying to apply the reclassify tool on a .tif raster dataset that I produced with the tool Mosaic to new raster. I can run the tool and I receive no error messages, however the resulting values ...
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1answer
42 views

Merging two rasters, obtain only highest values, overwrite raster in ArcGIS Desktop?

In order to run a hydrologigal analysis I'd like to to merge two raster datasets (DEM and buildings) to get as result one raster with only the highest values (elevations) of both. In other words: To ...
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10 views

Mosaic multiple slope files

I am trying to mosaic multiple slope files into one large slope file. What is the best tool to use? I have tried mosaic to new raster but the values change from multiple decimal points to whole ...
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69 views

Merging multiple rasters (Very large dataset)

I am working on project to create a DSM raster for whole Kentucky. I will have over 46000 tiff tiles and each one is about 10 Mb and one band. Normally, I use Mosaic to New Raster Tool but this time ...
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43 views

Slope and mosaics

I have used a large number of Gtopo30 altitude tiles and used the mosaic tool to create a large DEM for my area of interest. I am trying to get a slope for said area but when running the slope (...
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50 views

What is the difference between a raster moasic and a raster stack?

I'm trying to figure out the most useful way to store and process some MODIS Vegetation Index data (MOD13Q1). Currently, I have many .hdf files that cover the same spatial area over 18 years. I plan ...
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27 views

I am using Mosaic to New Raster for AvgMin temp for each month, I need to reference from which month any given pixel in the output was populated from

In ArcMap, I am working with climate data, AvgMin for each month. Using Mosaic to New Raster, and Mosaic Operator set to minimum I can isolate the absolute lowest value over the 12 input rasters, ...
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1answer
45 views

For loop to Create lines of raster mosaics in ArcMap 10.5

For loop to Create lines of raster mosaics With the tool clip raster, I am using a for loop code (code included) which works well. >>> import arcpy >>> in_raster_folder = "D:\KKR\...
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1answer
126 views

Merging hundreds of rasters in QGIS to create a basemap

I have a dataset of over 400 .tif-files, which I'm supposed to merge in QGIS into a single layer, representing a base map. These .tif files are pieces of a topography map (scale of 1 to 50000), and ...
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creating rgb mosaic from georeferenced images

I have two RGB georeferenced images which I would like to mosaic using GDAL and Python. I am using this script: from osgeo import gdal gdal.UseExceptions() import os import glob import math def ...
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39 views

Export mosaic to Google Drive, generating more than just one file and can't download this

I'm exporting a mosaic via google earth engine to google drive, however it has generated many files inside a folder. // Create a geometry representing an export region. var roi = ee.FeatureCollection(...
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61 views

ENVI seamless mosaic incorrectly altering data?

I'm using ENVI 5.2 build 9/28/2014. I'm using AVIRIS data and calculated a vegetation index for six adjacent flight lines. For each individual flight line I know I calculated the index correctly, ...
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2answers
92 views

Automatic split a mosaic of satellite images into pieces

I have a mosaic of satellite images, but for the analysis, I need to define the boundaries of each part. Does anyone know how to do it in an automatic way? I need to get the red boundaries like on the ...
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9 views

Analyzing Public Mosaics in Chunks

I have a large public raster mosaic which I would like to analyze. It is a high resolution DEM and I'm hoping to investigate a rather large area. The output of the analysis is a collection of points. ...
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1answer
203 views

QGIS more than 3000 raster works slowly

I need to add to QGIS more than 3000 rasters tif (with pyramids). It works very hard and slowly. So I ask: There's a solution that give's them quickly?.
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Building Pyramids on Linear Shaped Raster Dataset

I'm processing a fairly large raster mosaic and I'm looking for ways to appropriately build pyramids. I've trialed 3 runs, using Nearest Neighbor; Bilinear; and Cubic as my resampling method. Each ...
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38 views

Model building for mosaic in ArcGIS Desktop?

I want to build a model for mosaicking rasters, it is necessary to create a geodatabase and import all the raster files, but I have land surface temperature raster data for 16 years(2002 to 2017), and ...
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How to use a range slider with my floating point raster? [duplicate]

I’ve been struggling with this for awhile now. I have 5 rasters that are all floating points. They don’t have an attribute table/fields as a result. I want to use the range slider in ArcGIS pro to ...
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1answer
50 views

Eliminating raster gaps using ArcGIS Desktop?

I am using ArcGIS Desktop 10.5. What would be best solution to fill gaps and empty data when forming mosaic? I tried mosaic, mosaic to a new rater. Not satisfactory. Is there a way to blend with ...
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35 views

How to serve a Geoserver ECW mosaic [duplicate]

I've recently setup Geoserver with GDAL/ECW support. I can create a store in Geoserver which allows me to reference one .ecw file. I can serve this one file over WMS and it works great. Now i need to ...
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1answer
56 views

ERROR 999999 when mosaicing GeoTIFFs in ArcGIS

I have been trying to use the mosaic tool in ArcMAP to merge several GeoTIFFs together, using BLEND as Mosaic Operator and LAST as Mosaic Colormap Mode. I placed all files that I want to merge in the ...
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81 views

MOSAIC: Black grid lines between GEOTIFFs Using gdal_merge with Python

I've been trying to map an area of 35 images. Since they were in UTM I converted to Mercator projection using gdalwarp. I then tried to merge the images with the command: gdal_merge -init 255 -o I:\...
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1answer
156 views

Define original image ID for each pixel of Quality Mosaic in Google Earth Engine

I used a set of LS8 TOA images to produce a quality mosaic based on NDVI values. I wonder if there is a way do figure out a source / origin image ID for each pixel of the result mosaic. I guess it ...
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1answer
280 views

Earth Engine: Mosaic 2 collections

Given that an area of interest is partially cloud covered, how can you mosaic two separate collections to get a single cloud free mosaic? Given I have a S2 image over a study area, that has a cloudy ...
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1answer
228 views

Mosaic to New Raster outputs whole numbers instead of decimals

I just ran the ArcMap Mosaic to New Raster tool to merge 5 rasters of pH levels in different farms. These individual rasters have values that are decimals. When I run the tool, the output is in whole ...
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25 views

Merging two rasters with different properties

I am trying to merge two hillshades. One is a 16 bit signed TIFF, one is 8 bit signed ESRI grid. They are in different projections and have different cell sizes. First I created a copy of the the 8 ...
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1answer
160 views

Using gdalbuildvrt in R gives Warning Message … had status 1?

I want to make a mosaic out of several raster files that are next to each other, all including 4 bands. Due to saving space on the server I need to build a vrt and want to write the code in R, so I ...
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200 views

landsat 8 images in ERDAS imagine 2014 is not mosaicking properly

I am trying to merge all 4 landsat 8 images in order to create land use land cover map, but its not merging properly.I layerstacked this images before merging. Should i download landsat images which ...
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2answers
262 views

How to generate a collection of mosaic images by mapping over date list in Google Earth Engine

I want to generate a collection of mosaicked images from Landsat 5 over multiple years. I have checked that the individual images are not null but on returning the mosaic in the code below throws the ...