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

Merging multiple MrSid files in ArcGIS for Desktop?

I've got multiple sid files that make up my county of interest. I need to get all the sid files into one and STILL have the sid file type after merging. Anyone know how to do this in ArcMap 10.2.2?...
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86 views

looping to process multiple files in the same folder using Python

I have a folder with filenames bio1_36.tif, bio1_37.tif, bio2_36_tif, bio2_37.tif, and so on. There are 19 bio variables and 36 and 37 at the end refer to the tile numbers. My goal is to mosaic the ...
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13 views

Land-Water mask for MODIS 0.05deg grid

I need to create a worldwide land-water mask for a series of MODIS LST/VI images (0.05 deg). I know that each MODIS hdf file contains a land-water mask. However, this mask changes between different ...
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25 views

Raster Mosaic fault using R

I'm trying to mosaic two raster images using R. I used this script: setwd("D:\\Modis EVI\\") raster_dir <- "D:\\Modis EVI\\" r1 <- brick(paste(raster_dir,"evi8_stack.tif", sep="")) r2 <- ...
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30 views

How to blend edges of aerial imagery with gdalwarp

I need to fade/blend the edges of a series of aerial images with gdal. The closest thing that I've been able to accomplish is using the -cutline and -cblend switches of gdalwarp to get the edges to ...
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35 views

how to create raster stack using R

I have 300 .tiff files, that i need to create raster stack of them. Can you please help me with R code for that? I can do in Arcgis, Envi, R. I have tried: setwd("F:\\MODIS\\Modis EVI\\HDF8 EVI") ...
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36 views

Mosaic huge numbers of small rasters using ArcGIS

I have around 20'000+ TIFF-rasters that I need to somehow bring together into one raster. The rasters are model outputs and usually aren't big in size (<< 1 MB each). They do not overlap. The ...
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55 views

How to mosaic two ladsat images when they have different reflectance distribution value

I have two adjacent landsat-8 images from two different time, April and October. They have different reflectance value. While mosaicing these two does not seem to have matching histogram. I tried by ...
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44 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 ...
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3answers
152 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 ...
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37 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 ...
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20 views

How does “Mosaic to New Raster” tools works? How does it treat pixel values?

I'm working with arcGIS. I have mosaicked 8 rasters with values ranging from -408 to 180. The new mosaic shows pixel values ranging from 0 to 180.Then I compared cell by cell values from the original ...
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38 views

Mosaic Rasters Arcpy

I am trying to mosaic numerous rasters with the following code: import arcpy import os arcpy.env.workspace='H:\Sheyenne\Normalized_Indices\Fuzzy_Overlay' List1=arcpy.ListRasters('*.tif') arcpy.env....
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2answers
69 views

What method does QGIS Merge Rasters tool use?

I am trying to merge rasters in QGIS and want to set a priority order for merging so that the values from the highest priority raster are used in overlap areas (the “FIRST” merge/mosaic method, I ...
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56 views

Align Geotiff images in Qgis

I generated 3 drone maps of one area. The individual images were stitched using dronedeploy. Each map has some overlap with others. I imported all 3 geotiffs as rasters in Qgis and overlay them. ...
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27 views

Adding rasters to mosaic dataset?

I'm working with an ArcSDE geodatabase v 10.0 in SQL Server 2008R2. I added more than a dozen of rasters w/o problem. Server: WIN 2008R2 12GB RAM SPACE: 1TB Created a mosaic dataset (empty) w/o ...
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1answer
44 views

Zonal Statistics with very large mosaic in ArcGIS

I have the complete National Elevation Dataset from USGS in over 3000 ArcGrid files (coming to almost 190 GB), and a polygon shapefile of Colorado counties. I'm trying to use ArcMap Zonal Statistics ...
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37 views

Final data not same after Mosaic feature of ArcGIS for Desktop?

I am a novice user of ArcGIS for Desktop. I have two raster files. One with a terrain where a river exists, and the other raster with the bathymetry information of that same river. When I use "...
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29 views

Gaps in Mosaic Dataset made in ArcMap 10.0 SP5

I have created a mosaic dataset and then filled it with a set of georeferenced ECW images using the "Add Rasters to Mosaic Dataset" tool. The problem is that when I export the map to PDF at a large ...
2
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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?
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1answer
43 views

aerial photo to georeferenced mosaic with X,Y, Z, omega, phi, kappa

It's worth mentioning that I'm not very experienced. I have a bunch of aerial photos acquired with digital camera. Photos were taken by night to detect streetlights. Each has 60% forward overlap. I ...
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22 views

Why there is a shif in MODIS coordinate (compared with Landsat/google earth image) after mosaicing and subsetiing the study area?

I am facing some difficulties in processing MODIS data set. To have MODIS data over my study area, I need to mosaic two tiles of MODIS (h29 v12 and h30 v12). I have used the MRT tool by NASA (the ...
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19 views

Mosaic overlapping, irregular raster layers produces grid of NaN

I am trying to use the SAGA - Mosaic operator in QGIS 2.14.0 to mosaic two viewshed raster outputs I have. The viewsheds are irregularly shaped and overlap considerably, thus the need for the Mosaic ...
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34 views

Generating a High RES Orthomosaic

I'm looking into generating a high resolution orthomosaic of a 10km x 3km area at 2cm/px resolution. I don't need a good quality DEM product but just a stitched, georeferenced orthomosaic. Will need ...
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20 views

How can I create an aggregate GDAL dataset with a specific ordering for overlapping regions?

I have a number of raster datasets (with common projections, pixel sizes, and pixel alignments) that I want to mosaic into a single dataset. The source datasets overlap in a number of areas; in those ...
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2answers
98 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 ...
3
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1answer
385 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 ...
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2answers
103 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 shrink/...
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24 views

Time Aware Master Mosaic - error in time slider

I have a set of about 30 Mosaic Datasets each containing a year's worth of monthly rasters. These are time-aware, using an added column "TimeStamp" of type 'Text' and format YYYY/MM. Each of these ...
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19 views

Raster colormap setting in Arcmap not honored in GP tool

I am working with digital versions of paper maps. Here is what I am attempting to do: In Arcmap determine the value in a raster's colormap that is the undesired black mask / "no data" section. Set ...
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1answer
23 views

Over writing one large DEM over another in QGIS or GDAL

I want to over write/mosaic one large DEM (around 3gb file, Geotiff) over another. What is the best way to do this? Both cover roughly the same region, one is based on 2m res LiDAR, the other 1m res ...
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1answer
65 views

Processing time/speed for Mosaic to New Raster

I have a question on speeding up “Mosaic to New Raster” or finding an alternative. After completing a suitability analysis we are trying to define movement corridors. We used a modified CircuitScape ...
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1answer
53 views

Uncompressed size of ASTER DEM tile is 0 Bytes

I have downloaded ASTER DEM tiles(n=400), I have to merge/mosaic them. While doing so I got a problem with one tile which does not merge but displays correctly. I have downloaded it again but still I ...
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28 views

Resolution changing between mosaic dataset and output from mosaic to new raster tool viewed in ArcScene?

ArcScene cannot accept the mosaic dataset (Raster 1) so I used the Mosaic to New Raster tool to create a raster (Raster 2) that we can use in ArcScene. The problem which I face is the resolution in ...
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1answer
60 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 ...
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14 views

Using selected footprints in ArcGIS Mosaic to define which areas are nodata?

I have a raster mosaic (v10.3.1) which has some near black remnants outside the the imagery borders. I cannot define no data to a specific value because the values are variable ie. sometimes 1,2,1 or ...
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36 views

Attribute table not changing when using Mosaic on rasters

I'm looking to "merge" 2 rasters together. One is the original base land cover raster with 6 classifications/land use classes. The other is a raster from converted polygons that are essentially "...
1
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1answer
104 views

No Data in raster while Mosaic using ArcGIS

i have several tif files, which some of them have No data values. when Mosaic these files the ArcGIS replace the NoData value with black color RGB(0,0,0). I want to keep the No data value in the ...
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13 views

Working with mosaicing soil raster data into one raster format?

I want to use ISRIC 1 km soil grid for run off modeling is possible to Mosaicing soil grids at different depth for example 0-5cm depth Geo tiff, 5-15cm depth Geoff, 15-30cm depth Geo tiff.... and make ...
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99 views

How to “mosaic” rasters and keep attributes

I have individual 10 m raster files (with both quantitative and qualitative data) for each state and need to combine them into a national dataset. But, when using a mosaic it seems that the attributes ...
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98 views

how to publish 15000 TIFF files on GeoServer

have ortophotos of an area that I need to serve as a baselayer of my map in openlayers, i'am using geoserver and php5. i have 15000 files (1000MB each) in raw TIFF format with corresponding TFW word ...
2
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1answer
81 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 ...
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1answer
39 views

Selection exceeds the maximum allowed per request download limit cannot download more than a max of 20 rasters at time

Selection exceeds the maximum allowed per request download limit cannot download more than a max of 20 rasters at time I couldn’t figure out why the when I select more than 20 raster and try to ...
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33 views

The 'mosaic' of my maps on Qgis won't show up in the work space but individual maps do

I have made a 'mosaic' of my maps on QGIS (version 2.10.1-Pisa) yet when I select and un-select each individual map it appears and disappears. I won't 'zoom to layer' and even when 'shown in overview' ...
3
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0answers
129 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 ...
2
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1answer
52 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
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0answers
41 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 ...
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28 views

mosaicking “TIMESAT” results

Is it possible to mosaic "TIMESAT" results (.tpa or .tts) of different MODIS tiles which of course have different number of rows and columns?
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62 views

Using imagine image in arcgis, coordinates don't exist in the spatial reference

I have a processed imagine image with the extension .img and it doesn't import into arcmap correctly. When I try to bring it in it says the coordinates are not in the spatial reference. When I ...
2
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1answer
122 views

Image footprint in Landsat mosaic using GDAL?

I need to produce a Landsat mosaic over part of Indonesia and an extra shape file containing the dates of each part of the mosaic. The steps I used are: Stack 3 bands to produce RGB image Project ...