In raster or image datasets, a graduated sequence of reduced-resolution versions used to improve display speeds.

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12
votes
2answers
2k 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
votes
3answers
103 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 ...
4
votes
1answer
677 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
2answers
278 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 ...
2
votes
1answer
211 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, ...
2
votes
1answer
125 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 ...
2
votes
1answer
132 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 ...
2
votes
0answers
34 views

Create custom raster pyramid using arcpy in ArcGIS 10.2

I have a 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. ...
2
votes
0answers
188 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 ...
1
vote
1answer
113 views

Most efficient 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 ...
1
vote
0answers
24 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 ...
1
vote
0answers
59 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
vote
1answer
57 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 ...
1
vote
0answers
139 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 ...
0
votes
1answer
32 views

calculate the needed space for a raster pyramide withqgis

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 pyramide of 10 levels ? Regards, D3
0
votes
0answers
21 views

gdal_retile: to tile or pyramid only

I'm having trouble understanding when to use the -pyramidOnly option in gdal_retile. If I am trying to tile 10 GeoTiffs, am I right in assuming that if the images contain overlays and or inner tiles ...
0
votes
0answers
530 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, ...