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 views

How to fix GDAL_Merge problem?

I've got a lot of modis images (MOD15A2 productos -- LAI) separated by years. Inside each year folder there are the folders with the days i.e 049 folder for DOY 049. What I've done so far is to ...
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1answer
73 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
32 views

Issues with 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 ...
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12 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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17 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
19 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
33 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
39 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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21 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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31 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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10 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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26 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 ...
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1answer
44 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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11 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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47 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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66 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 ...
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1answer
41 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
30 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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26 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
73 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 ...
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1answer
45 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 ...
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37 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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22 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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37 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 ...
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1answer
70 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 ...
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2answers
143 views

Mosaicking several TIFF files

I have around 20-30 tiff files all georeferenced and I am trying to mosaic the data however I can't seem to remove the border of these historical scanned images. I have tried shrinking the footprint ...
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24 views

How to dynamically change the draw-order of geotiff rasters in QGIS?

In ArcGIS it is possible, via raster mosaics, to choose the raster order depending on various methods. One such method is the center method. The raster that is closest to the coordinate of the center ...
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168 views

Merge raster layers error

Is there an issue with the SAGA-tool "Mosaicking rasters"? I tried it with different rasters. In Sage itself it works fine. Algorithmus Mosaick raster layers startet... io_gdal 0 -TRANSFORM ...
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1answer
83 views

Divide into grid and Mosaic using google earth?

Is it possible to download 1:2000 scale of a town using google earth image? If divide the whole area into grid and mosaic them is an option, how it is done using google earth? I tried using grid. But ...
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27 views

“Mosaic to new Raster” just stop working

I have been using the command "Mosaic to new raster" so far successfully. Now, without changing any option from before, it just doesn't work anymore. It is something it already did: pretending to ...
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69 views

Modify NAIP Images for seamless mosaic with gdal

I'm processing lots of USGS NAIP imagery which overlaps. if I load multiple files into a QGIS project I can clearly see the edges of each tile being that some tiles have a darker or lighter contrast ...
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84 views

What kind of raster mosaicking to use in land cover analysis

I have to mosaic two rasters (Landsat ETM+ scenes) to one single image and then analyse its land cover. Which option to use to avoid seeing a distinct line in the place where two different ...
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44 views

Applying color ramp/map to mosaic using ArcGIS for Desktop?

My goal is to create a bold, colorful hillshade following this tutorial from the ESRI website. Everything works great until I try to apply a color ramp or colormap. It somehow crunches the values and ...
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1answer
119 views

mosaic raster image non georeferenced

I have several jpeg2000 tiles non georeferenced and covering a certain area. I know in qgis you can mosaic image using the merge tool but I have done it only using georeferenced images, which is quite ...
2
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1answer
135 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
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1answer
63 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
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1answer
27 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 ...
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34 views

Merging DEM files using PostGIS

I have several DEM files and I want to merge them to create a mosaic. I found the St_Union(raster) or St_MemUnion(raster) functions but I don't know how to use them. Are there any other solutions?
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1answer
53 views

ArcMap shutting down when I add rasters to a mosaic in foreground processing

I'm trying to add rasters to a mosaic - I was initially trying to do this by background processing but I was receiveing an error - I've followed the advice of this article ...
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1answer
81 views

Mosaic to raster 16BIT Error 999999

I am using ArcGIS for Desktop 10.1. I am trying to merge a few 16bit rasters by Mosaic to New Raster. The problem is it makes me do only a 8bit output making me lose pixel data bigger than 255 and ...
2
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1answer
152 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 ...
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48 views

Zonal Statistics as Table having problems with Mosaic Dataset

I have a mosaic dataset of forest cover around the globe for the year 2000 (each cell's number contains the percent of forest cover in that area). I have randomly selected a large number of points ...
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2answers
257 views

how to add multiple grids in SAGA gis

Here is the "big" problem: my Digital elevation model is divided in a lot of pieces (single files .xyz). In order to build a mosaic of them I need to import them all. With SAGA I can import them ...
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28 views

how to export tiffs from mosaic dataset with function chain applied using model builder

I am trying to apply raster functions to a mosaic dataset and save them as geotiffs. I am able to do this from the Image Analysis window, but when I apply the filters with the geoprocessing tools ...
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176 views

Mosaic LANDSAT 4 Image in ERDAS IMAGINE

I am trying to do Mosaic in Erdas imagine. I have three tiles of Landsat data: one is Sept89 others two are March90. I am using Weighted Seamline method and Histogram Matching for the mosaicing but ...
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1answer
173 views

mosaicing geotiffs with gdal creates gaps due to alpha layers

I have a series of geotiffs which I'm trying to mosaic together, however when they are combined their individual alpha layers overlap sections of the other images and create gaps in the final mosaic: ...
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2answers
507 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 ...
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106 views

gdal_merge tries to create image with negative dimensions

I am trying to use gdal_merge.py to create a mosaic from a set of geotiffs, however the command fails with the error message: "ERROR 1: Attempt to create -3510x1817 dataset is illegal,sizes must be ...
2
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534 views

Merge several images and Export a GeoTiff File

I have approx 500 geo-referenced images that I was hoping to merge into 1 geo-referenced file, and export it as a single geotiff file. To be used in AutoCAD Civil 3D I know I am pushing my luck and ...
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51 views

Managing or Reducing noise in a mosaic raster

I have created a raster with the Mosaic to New Raster tool from 3 separate rasters. However in my mosaic I have some consecutive pixels which seem to be the noise of the previous procedure. Is there ...