Questions tagged [image-pyramids]

In raster datasets, a reduced resolution layer that copies the original data in decreasing levels of resolution to enhance performance.

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1answer
2k views

How to remove black background from geoserver imagepyramid?

I have a large ImagePyramid published in Geoserver (v 2.4). Each granule in the pyramid has nodata set to 0. I'm confused as to which layer parameter in GeoServer should I change to get a transparent ...
5
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1answer
3k views

Seeking way to tile/pyramid 4 million images using gdal for geoserver WMS?

My scenario consist of 4 million geolocated images each measuring 1536x1536 pixels in size. What is the most efficient way to pyramid these images? My end goal is to serve these images using ...
11
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3answers
2k views

Color balance and publish large amount of high resolution imagery in geoserver

I have a large amount of RapidEye images (+300 Gb) that I want to use as a basemap for a online application. So far I've managed to serve them as an ImagePyramid in geoserver following the steps shown ...
1
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0answers
343 views

GDAL C/C++ API and filtered pyramid tile generation

I have been tasked with adding functionality to an existing C++ developed toolset whereby a source dataset (typically a single GeoTIFF) needs to be split into tiles at various resolutions ('zoom' ...
1
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0answers
228 views

Creating custom raster pyramid using ArcPy [closed]

I have an ArcPy script that runs the Point Density tool several times for the same extent, using the same number of neighborhood cells, but with cell size increasing at an multiple of 2 with each pass....
1
vote
1answer
253 views

Custom tiles in local CRS

I want to achieve the following: Create an OpenLayers map, that runs totally in a local CRS. The basic layer would be a raster tile layer. The tiles will be generated by us once for each project (...
2
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0answers
2k views

Failed to create reader using geoserver Image Pyramid plug-in

I am following instructions on this link, http://docs.geoserver.org/stable/en/user/tutorials/imagepyramid/imagepyramid.html I am pointing the URL to the folder normally but I get the following error, ...
1
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1answer
138 views

Calculate the needed space for a raster pyramid with QGIS

How can I calculate (or where can I find information to calculate) the required disk space for a raster map of 36GB which should be in a pyramid of 10 levels ?
2
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1answer
293 views

How applications like Global Mapper, ArcMap and ArcScene support showing high resolution geotiff images?

Considering my question in Game Developement: How to create textures of big images in opengl (bigger than the MAX_TEXTURE_SIZE) it seems that, there's no way to show an image bigger than the ...
3
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2answers
1k views

Black zones after tiling two tiff files

I have two Geotiff files. with one side overlapping. Each Geotiff is surrounded by a black frame. I have created an Image Pyramid with Geoserver 2.3.0 but when I try to see the layer on OpenLayers, ...
3
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1answer
335 views

Is GeoServer Image Pyramid upscaling?

I have an Image Pyramid in GeoServer 2.2 RC3 (not the latests - I know, but I have other pyramids working here). The total size is around 1TB and file size is around 1-2GB for each GeoTIFF. When ...
1
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0answers
479 views

Issues with building a VRT. from OS map tiles in QGIS

I am trying to speed up rendering of OS raster map tiles in QGIS. The tiles are 1:10k Tiffs - about 130 of them. When I attempt to build the VRT it says complete, then it shows up an error message:...
13
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2answers
8k views

GeoServer: Best way to publish 2500 TIFF or 71 ECW files?

I have ortophotos of an area that I need to serve as a background map for my vectors. I got it as 2500 files (71,5MB each) in raw TIFF format with corresponding TFW word file - 180GB of data. ...
6
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1answer
2k views

ImagePyramid tuning in Geoserver

I am running several WMS layers from a GeoServer (2.2 RC3 at the moment of writing). All layers are ImagePyramids with sizes ranging from 100GB to 1TB in size. I have read the GeoServer on Steroids ...
3
votes
2answers
1k views

Generate a pyramid of tiles by 1/2 scaling a higher zoom level

Given a set of tiles covering a large area at a particular zoom level (These are online on someone's tile server and will need scraping, but let's assume these are on disk if it's easier. With TMS ...
7
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1answer
2k views

GDAL: How to build an image pyramid starting from the base

Normally I would create an Image Pyramid using gdal_retile.py on one large image or a set of large images. I want to do the opposite. I have all the zoomed in tiles on the base level and I want to ...
3
votes
0answers
318 views

GeoServer + ImagePyramid: Request is empty where data exists

I have set up an image pyramid based on 5 levels of tiling. The data is served using the ImagePyramid plugin for GeoServer. When I do a layer preview the data is visualized just like I expect them to ...
4
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2answers
775 views

How to use ImagePyramids in Geoserver?

I want a cheaper solution than ESRI ArcGIS server for my online web GIS applications. I want to: display multiple SHP files and an aerial image, retrieve the SHP attributes, all in a web page ...