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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23 views

What is the purpose of these SAGA raster mosaic parameters?

BACKGROUND: Using QGIS 3.8.0 Processing > Toolbox > SAGA > Raster tools > Mosaic raster layers, I do not understand the purpose of the Match and Fit parameters. Here's a screenshot of the Match ...
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25 views

Is there a way to connect 2 tiles of downloaded landsat data in ArcMap?

I have downloaded two Landsat 5 images because my study area is divided between the 2 tiles. I have created a composite of all the bands and then tried the mosaic tool in ArcMap but the result I have ...
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1answer
31 views

Finding overlap and sum of rasters using ArcGIS ModelBuilder?

I have about 300 rasters that I need to find the overlap and sum of to find 'hotspots'. I set each raster value to 1 and used the Mosaic to New Raster tool to create a new raster. I tested this with ...
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11 views

Mosaic rasters and clip

I have a number of satellite image rasters covering my study area. I want to mosaic and clip the output raster to my study area. Note that the images overlap each other and do not join end to end. How ...
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1answer
12 views

ERDAS mosaicPro from 2D view reference layer is not displayed on top

I am having an issue using the ERDAS mosaicPro from 2D view tool. I am using ERDAS 2015. I have two separate Landsat 8 file bands. Band 1 from one date and Band 1 from another date. I have ran the ...
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1answer
28 views

Mosaicing of multitemporal Sentinel-2 images

My aim is to combine several Sentinel-2 Level2A images of the same location/orbit number but at different dates of a year. I would like to have different options to create that mosaicing (e.g., if ...
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40 views

How to load, in QGIS, raster datasets originally mosaicked in ArcGIS?

I have used ArcGIS for years in an academic context but have very recently started using QGIS in earnest as my ArcGIS license is expired and I want to experience a new set of soul rending frustrations....
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1answer
83 views

Getting “ERROR 000999: Failed to get raster”?

I'm trying create a raster with arcpy.MosaicToNewRaster_management and this message appears in the end of the process: Runtime error Traceback (most recent call last): File "", line 1, in ...
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1answer
38 views

Replacing masked cloud areas with another satellite image?

I have various Landsat images of which many are cloudy. Using the cloud masking plugin available in QGIS, I was able to identify and remove the areas with cloud and cloud shadows from every image. ...
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54 views

Very large GeoTIFF dataset to GeoPackage

I'm trying to mosaic a large GeoTIFF dataset into a GeoPackage with Gdalwarp (no reprojection). There are 512 .tif files, each with a single 8-bit grayscale band, and 1 meter resolution. I'm using -...
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31 views

Creating Workspace for Satellite Imagery in ArcGIS Pro?

I am trying create mosaic from Sentinel – 2 satellite data. To realize this task I’ve used “New Ortho Mapping Workspace” and “Satellite” Type. In next step I’ve chosen appropriate sensor type, the ...
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36 views

read error after mosaic_rasters in R

I am using mosaic_rasters from gdalUtils to combine different raster files. More specifically, I am using the 12 tiles that cover Southern Africa from the well-known Hansen et al. (2013) forest map (1....
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1answer
35 views

Every geoprocess with merged raster produces 999999 (ArcMap 10.6)

I have a county where there is some LiDAR (1 meter) coverage. For the rest of the county I downloaded 10 meter DEM from USGS. Both rasters are in same projection and units. I resampled the 10 meter to ...
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37 views

Landsat 8 Mosaic (NDVI) Overlapping?

I have downloaded 3 satellite images (Landsat 8 OLI TC1P), in three different periods (two images are from Mart 4. 2017. and the one is from Mart 20. 2017). I have joined (made mosaic) them in ENVI ...
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1answer
36 views

Clipping Raster Mosiac Simultaneously Within Separate ArcPy Scripts?

I have a large raster mosaic dataset that I would like to clip within several scripts simultaneously, but whenever I run two instances of a script simultaneously one always fails with the error: ...
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69 views

How to fix error 000840 the value is not a raster dataset for Mosaic?

I'm trying to to complete a batch mosaic operation in ArcMap 10.4.1 Python window. I need to run the Mosaic tool about 80 times for sets of three rasters. Basically I want the second raster to mosaic ...
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22 views

Performing iterative Mosaic in ArcPy?

I'm attempting to complete a batch mosaic operation in ArcMap 10.4.1 Python window. I need to run the Mosaic tool about 80 times for sets of three rasters. Basically I want the second and third raster ...
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14 views

How do I control the display of certain rasters in a mosaic dataset?

I have three mosaic datasets that I want to combine into one master mosaic dataset: I want to display the city imagery on top, the regional imagery next, and the county imagery on the bottom. They ...
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26 views

Raster Resolution - Will not display past certain scale

I just created a mosaic of a couple hundred digital elevation models in ArcGIS desktop. The mosaic only appears at the raster resolution. I am working with a very large area and need the scale of my ...
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1answer
70 views

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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94 views

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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1answer
27 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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115 views

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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3answers
48 views

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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1answer
64 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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1answer
39 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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1answer
65 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
67 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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2answers
35 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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1answer
298 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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1answer
37 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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30 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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80 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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1answer
169 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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1answer
96 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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124 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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1answer
46 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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28 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
50 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
286 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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1answer
49 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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2answers
133 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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1answer
244 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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1answer
54 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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64 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
95 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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0answers
184 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
273 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
709 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
420 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 ...