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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17
votes
3answers
12k views

Differences between Raster Dataset, Raster Catalog, and Raster Mosaic

I have about 40 scanned, colorful Geology maps that are GeoTiffs. I want to bring them into an Esri FileGeodatabase to lower their size, combine them as one and display them with a mostly transparent ...
11
votes
2answers
438 views

Understanding min and max values with Mosaic to New Raster?

I have to combine several DEM rasters into one from this source: http://srtm.csi.cgiar.org/SELECTION/inputCoord.asp, so I use Mosaic to New Raster tool. I set up the tool: I input the rasters (all ...
7
votes
3answers
2k views

Merging hundreds of Aerial Photos into one big file?

I have tried to merge my 405 Aerial Photos into one. I have FME and ArcInfo 10.0 at my disposal on Windows 7 64bit. I have tried the following: create a mosaic; export all images from a ...
7
votes
2answers
2k views

Seamless, color balanced mosaics of aerial RGB photos with Open Source

I'm looking for an open source tool/workflow (even a command line one) to obtain what it is advertised in programs like http://www.inpho.de/index.php?seite=index_orthovista ...
6
votes
6answers
383 views

If I were flying over a flat world at constant elevation, taking aerial photos, how would I patch them into a mosaic?

Restating the question: If I were flying over a 2 dimensional world, at a constant altitude, how would I patch those images together? I'm using some tools right now that assume I'm doing a panorama ...
5
votes
2answers
6k views

Combining two adjacent raster datasets

I am trying to figure out how to combine two adjacent rasters into one raster using ArcMap 9.3.1. The problem I am having is that there appears to be a gap in the data. I would like to be able to ...
5
votes
1answer
1k views

How to mosaic rasters in R?

I am trying to mosaic several rasters into single big raster in R. Using script that posted in http://stackoverflow.com/questions/15287807/how-can-i-create-raster-mosaic-using-list-of-rasters But, I ...
5
votes
2answers
1k views

Correctly merging DEM rasters and eliminating edge effects

I'm using 10m DEM rasters from the NRCS Data Gateway for a large portion of California. The problem is some strange tiling that appears after merging, but isn't present in the original data (before ...
5
votes
1answer
266 views

parallelization of raster mosaic

I would like to create a raster mosaic of the national USGS NED 30m DEM (~50 GB). I'd like to leverage parallel processing using python multiprocessing module where possible. I'm using ArcGIS 10.0. My ...
5
votes
0answers
56 views

Access multiple rasters with GeoServer

I am curious if anyone knows if, and how, it would be possible to configure GeoServer to provide download (GetCoverage) capabilities to multiple adjacent rasters. A GeoServer mosaic comes close, but ...
4
votes
3answers
114 views

Reproject raster with FME

I have multiple .tiff + .tfw files in EPSG:3067, which I need to reproject to EPSG:3878. I tried to do it with FME, and succeeded, kind of. The geotiffs are placed well, but some weird white area ...
4
votes
2answers
469 views

How to create a mosaic in QGIS with cutline and feathering for Landsat-8 imagery

1 - I have two scenes Landsat-8 RGB 6/5/4 and I need to mosaic them: 2- This is my cutline in polygon format that will smooth the overlapping area: 3 - So, I need to create a mosaic with ...
4
votes
1answer
584 views

Merge to New Raster resulting a raster with cell value 0 to 255

I am using the mosaic to new raster tool to mosaic two rasters together, one 2-bit and one 4-bit, and the output raster has given all the previously nodata pixels the value 3. Some of the pixels in ...
4
votes
1answer
771 views

gdal_merge produces incomplete mosaic

I am using GDAL 1.91 on a Windows 7 machine. I have been mosaicing large numbers of rasters together and most of the time this process works exactly as expected. However a very few of my mosaics ...
4
votes
1answer
238 views

Building a Mosaic Dataset with rasters that are not georeferenced. Whats the workflow?

I have 68 aerial jpegs that I would like to use in a Mosaic Dataset. They have not been georeferenced. My question is in regards to whether I should georeference them and then rectify and save them in ...
3
votes
3answers
276 views

Using gdal_merge to create a grayscale mosaic

My gdal fu is weak and I need help! ;) I'm creating a mosaic in geotiff from hundreds of ecw. I created a list of all my rasters and used this command: gdal_merge -o c:\temp\output_image.tif -q -v ...
3
votes
1answer
687 views

gdal_merge.py with single band raster

I'm trying to mosaic the True Marble world imagery 250M geotiffs using gdal_merge.py though one of them doesn't have RGB bands like the rest and gdal_merge fails (same number of bands is listed as a ...
3
votes
1answer
271 views

Mosaicking NDVI images from different scenes

I have six overlapping NDVI images derived from atmospherically corrected SPOT5 images, all from the same date. How can I mosaic the images perfectly without seeing any differences between the same ...
3
votes
2answers
849 views

Mosaic to new raster: same number of bands issue

I am trying to mosaic 32 raster files (min value 0, max value 13) into one raster file so that I can later use this new raster to extract multiple values to points. However, when I try and mosaic the ...
3
votes
1answer
163 views

Why is Mosaic or Mosaic To New Image causing a 1-pixel gap between adjacent images?

I have a series of adjacent PNG images, and I'm trying to merge/mosaic them into a single seamless image. The images have clean "cuts" between them, with no overlaps. However, when I use either the ...
3
votes
1answer
444 views

Questions regarding the processing of mosaic Landsat 8

Approximate Translation of Original Question: A question of theoretical and practical about the mosaic of satellite images. I have 3 different months of Landsat images, which need to accomplish the ...
3
votes
1answer
492 views

Raster Tile Merge Performance of PostGIS 2.0

I'm attempting to intersect Australian Census boundary polygons with the 1" SRTM DEM (10.5bn points across Australia), and output the result as a single raster image on the fly. The DEM is stored in ...
3
votes
1answer
187 views

How can I use GDAL Merge with multiple files in one folder in python 2.7?

I have multiple files in one folder which are called, for example: 049.h11v11.hdf, 049.h11v12.hadf, 049.h11v13.hdf, 065.h11v11.hdf, 065.h12v12.hdf, and so on. The first 3 numbers are the julian day of ...
3
votes
1answer
259 views

Merging h5 files from VIIRS to gtiff

I am trying to mosaic all the data from VIIRS of a day into a single gtiff. I've already done it with MODIS data using GDAL. The problem it seems is that the coordinates of each h5 files doesn't seem ...
3
votes
1answer
49 views

How to set visibility scales for ArcGIS for Server image service?

I have created a mosaic dataset in ArcGIS 10.3.1 and from it I created an image service which works okay. However, how would I set the visibility scale range on this service so that, for example, the ...
3
votes
0answers
103 views

gdal_retile.py leaving gaps in mosaic

I'm trying to create a seamless mosaic from the FAA's VFR aeronautical charts using gdal_retile.py. The end goal is to serve the mosaic using the ImagePyramid extension in GeoServer. However, I'm ...
3
votes
0answers
221 views

Advice on colour balancing a SPOT5 ArcGIS Mosaic Dataset

All, I'm working on a project using satellite imagery of a large braided river. I've been provide lots of SPOT5 images (that overlap). I've created a geodatabase, created a mosaic dataset, added the ...
2
votes
4answers
7k views

Combine overlapping rasters with priority to values of specific rasters?

I have 5 rasters that cover a large area. I want to combine all 5 into 1 raster. Each raster has data for portions of the total area that none of the other rasters cover. Raster C overlaps A,B and D. ...
2
votes
3answers
120 views

Arcpy: Processing multiple files subsequently

I have an indexed dictionary containing files and want to "mosaic" (arcpy.MosaicToNewRaster_management) all files with the same index. The number of files per index range from 1 to about 30. ...
2
votes
1answer
1k views

Mosaic Aerial Photography Tiles to a Seamless Raster

I've got about 6 different Aerial Photography datasets I am managing at the moment. All of them are made up of tiles covering a large area. Some of these datasets contain up to 2000 tiles. All the ...
2
votes
2answers
75 views

Displaying attributes for features within current map extent in ArcGIS Desktop?

I have found Landsat 8 PanSharpened WMS service here. It is a mosaic made by Esri. I can open attribute table of this mosaic dataset. Can I sort rows of attribute table to see only rows related to ...
2
votes
1answer
568 views

Combine two grids with a small area of overlapping pixels to a new raster in QGIS/SAGA

The first grid is 1 byte and the second is 2 byte. The new raster should have a blended transition. How can i do this?
2
votes
1answer
207 views

Mosaicking many tif files in ArcMap for ENVI

my question is how to go about mosaicking ~120GB, 1200+ tif files into one raster within ArcMap. I am currently splitting up the region in smaller sets and then plan to mosaic all these together to ...
2
votes
2answers
179 views

How to add updated tiles to ArcGIS mosaic

I have several hundred aerial imagery raster tiles (in ecw format) that I have loaded into a mosaic dataset. I would now like to 'replace' or 'overlay' an older aerial imagery layer with this dataset. ...
2
votes
1answer
22 views

Hillshade result after mosaicing multiple rasters appears irregular

I am trying to mosaic 19 rasters which i already reprojected in WGS 1984 World Mercator and then hillshading them. These are the steps i follow please correct me if i am doing something wrong. I ...
2
votes
2answers
68 views

Using Mosaic to New Raster in ModelBuilder?

I have a large number of airphotos giving coverage of an area going back decades. - someone may have a smoother means to accomplish my goal here. I'm weak in Python sadly. I'm attempting to ...
2
votes
1answer
68 views

Clean up edges in raster mosaic

I have made a mosaic of several old orthoimages. If it's possible, I'd like to do two things with the mosaic. First item is to remove the edges of the smaller rasters that show up in the mosaic, so ...
2
votes
1answer
82 views

Bleeding/fuzzy edges when adding raster to mosaic in ArcMap

I'm a relative newcomer to ArcMap but have done my best to try solve this alone - to no avail. I need to create one layer from three raster tiles that show presence/absence (0/1) of woody vegetation ...
2
votes
1answer
184 views

LiDAR data download, merge and mosaic (Minnesota state)

I have been using the toolbox found here to download LiDAR data for MN (Minnesota-US). The tool is very convenient for downloading multiple tiles but the merge/mosaic function of the tool is ...
2
votes
1answer
53 views

Disable Mosaic Overview Information When Using Identify Tool

I have a created mosaic datasets using elevation data. When I add this data to ArcMap and use the identify tool it brings up information about both the footprint and image. At full extent the ...
2
votes
1answer
91 views

Speeding up loading raster

I georeference a tif image and then I clipped that image in a mosaic. I did a index of these images but when I load them is very slow(7 seconds or more to display the first tile). How can I do to go ...
2
votes
1answer
81 views

Tiling ArcGIS Desktop Historic Maps

I'm using ArcGIS 10.2 Desktop on a Windows platform. I have georeferenced about a dozen USGS topographic raster maps from around 1900. Each georeferenced map is an now an .mxd file. To the best ...
2
votes
2answers
483 views

Rasters added to mosaic dataset only display at large acale

I have a set of 357 rasters in .jp2 that I've added to a mosaic dataset. All but 7 of them display properly, but the 7 only display at larger scales, around 1:6500 and under. I've tried adding them ...
2
votes
1answer
672 views

How to mosaic Landsat 7 images correctly?

This is a result of mosaicing of two Landsat 7 images (layer stacked) in TIFF format. I was aming to put these images together with no overlaping visible line between them. The process was: Added ...
2
votes
1answer
364 views

How to Mosaic DTED files (RasterDataset) using C#?

I use ArcGIS .NET SDK in C#. I'm able to load some DTED files in my ArcMap and show them in proper colors. What I want is to concat/merge/mosaic some DTED files. How can I do this? I want to mosaic ...
2
votes
1answer
31 views

Determining hardware requirements for mosaic dataset operation to work properly?

I've been building mosaic datasets in ArcGIS, but have been having mixed results depending largely on the number of cores on the computer being used to build the mosaic dataset. For example, on a ...
2
votes
1answer
26 views

Create MosaicDataset with 12 Bits

I'm using ArcGIS 10.3.1, and I want to create a mosaic dataset, but my rasters are in 12 bits, and a mosaic doesn't have this option. What can I do?
2
votes
1answer
50 views

ArcGIS: Produce a raster mosaic dataset using a spatial query on another mosaic

Using ArcGIS 10.1 (Build 3143) I would like to create a relatively small raster mosaic dataset (the size of a city) based on a larger, existing one (the size of a state) using a single feature class ...
2
votes
0answers
39 views

Mosaic DEM has large pixel when displayed in ArcMap?

I created a mosaic dataset in ArcMap 10.2 from tiles of ASTER DEM's at 30m resolution. I am attaching the image of what my export looks like. You can see that there are extremely large, alternating ...
2
votes
1answer
30 views

Mosaic rasterstacks based on minimum of certain layer?

I am trying to mosaic 42 remote sensing rasterstacks (with 250 bands) based on the criterion that in overlapping areas, the pixel should be taken that has the most nadir viewing angle Beside my ...