Questions tagged [gdaladdo]

GDAL utility that builds or rebuilds overview images.

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Multiband GeoTIFF loading slow in browser

Here's the problem: http://www.doctorharapos.com/webMap/geotiff.html My GeoTIFF files are light, just 4MB My process: starting from an ASCII Esri file I transform it to GeoTIFF using gdalwarp, ...
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2answers
311 views

GDAL create mbtiles with differing image by zoom level

I want to build an mbtiles with different map detail at different zoom levels (e.g. contours at 1m at levels >16 and 5m <=16). I've exported raster images at the right resolution using QGIS and now ...
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0answers
156 views

GeoServer error adding GeoTIFF coverages with overviews: “Could not list layers from this store”

When I try to add a GeoTIFF as a store on GeoServer, GeoServer fails to add the store, giving the error message java.lang.RuntimeException: Could not list layers for this store, an error occurred ...
3
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1answer
314 views

Knowing correct amount of overview levels for raster?

I'm working with large rasters which require overviews in order to be browsed efficiently. I'm successful in creating overviews, external in my case (.ovr), but I haven't found a source about figuring ...
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1answer
67 views

MbTiles is not shown at a specific scale in QGIS 3.2

I've created MbTiles with gdal_translate in the OSGeo4W Shell. The workflow was at follows: convert jp2 files to geotiff with gdal_translate create a Virtual Raster for all raster files (about 1000)...
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0answers
98 views

Is it possible to create .OVR (like by gdaladdo) as smooth as QGIS oversampling feature of raster layer?

I found Hugolpz's tutorial for creating a GeoTIFF that contains grayscale with an alpha band. Creating transparent hillshade? # filter the color band, keep greyness of relevant shadows below limit ...
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1answer
269 views

JPEG compressed Geotiff files convert to JPEG without loss

I am new to GIS application and had just started working with Geotiff files. Background: Currently, I am provided with big Geotiff files around 200 MB - 500 MB each as raw data from my vendors. Are ...
3
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1answer
122 views

How to add other images as TIFF overviews?

TIFF files can contain overviews for quicker loading/displaying at small scales (=more "zoomed out"). These can be generated and added with GDAL's gdaladdo command. gdaladdo will compute the ...
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0answers
244 views

gpkg file conversion

I have a gpkg that is populated exclusively by .jpeg files. I am attempting to use the gdaladdo to add overviews into that gpkg. However, gdaladdo adds some of them as .jpeg, and adds the rest as ....
1
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1answer
182 views

Why is overview with only one level larger than original GeoTIF

I have a large GeoTiff that I'm preparing for display through GeoServer. The original image has 4.9Gb and when I created an external overview with only one level (1/4 the size), using the same ...
2
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2answers
398 views

Using internal or external GeoTiff overviews in GeoServer?

I'm serving some large GeoTIFs using GeoServer. I added internal tilling and overviews. With gdaladdo I have two options: Adding overviews inside the GeoTIF or; Saving the overviews in an external ...
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1answer
1k views

GDAL convert tif to MBTILES

I have a tiff file and I'd like to convert it to mbtiles using GDAL 2.2.2, compiled with sqlite3. The first command seems to work : gdal_translate -of mbtiles 000-2017-0915-6528-L93-0M20-E100.tif ...
7
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2answers
1k views

Displaying huge geotiffs (or vrts) with QGIS?

I am manipulating and processing global rasters at 30m resolution. The total raster sizes are usually [1,440,000 560,000]. I have access to a supercomputer, so I have written code that allows me to ...
3
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1answer
282 views

Incremental updates on GDAL VRT with overviews

I have quite a big GDAL VRT with a pyramid (TIFFs in smaller zoom levels stored externally in separate folders) and the calculation of those takes quite some time. I am also having regular updates ...
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3answers
5k views

How are GeoTIFF pyramids/overviews standardised?

While pyramids/overviews are not part of the GeoTIFF standard, many tools support creating them. For example vips/nip2, Orfeo Toolbox (otb) and ossim which all promise some support for creating those. ...
3
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1answer
423 views

Compress Raster Overviews

I have a large number of Raster Aerial images which I have been building VRT files for. I'm also building overview for them with the following code gdaladdo -r average -ro Y:/vrt/sussex_2016_aerial....
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2answers
190 views

GeoServer map preview different than OpenLayers output?

I have a GeoTIFF with internal overviews, generated using gdaladdo and the -r mode. I published this GeoTIFF in GeoServer 2.6 and I can see the image fine in map preview. However, when I load the ...
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1answer
3k views

Comparing use of GDAL to build raster pyramids or overviews versus ArcMap?

I have a large set of imagery that I created a mosaic from in ArcMap 10.1. I want to use GDAL to create the overviews because arcmap has issues building the pyramids and never seems to complete. I ...
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0answers
95 views

Overviews for thematic raster maps

I have a landuse raster map with integer classes (1:agricultura, 2:pasture, etc). I'm trying to publish it through GeoServer and I'd like to use image overviews to speed things up. I tried gdaladdo ...
0
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1answer
171 views

gdaladdo adding stripes to data

I created some image overviews for a large (1.2 Gb) topo relief image. gdaladdo -r cubic -ro --config COMPRESS_OVERVIEW JPEG --config PHOTOMETRIC_OVERVIEW YCBCR --config BIGTIFF_OVERVIEW YES ...