In raster or image datasets, a graduated sequence of reduced-resolution versions used to improve display speeds.
11
votes
2answers
575 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. ...
4
votes
1answer
413 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
1answer
139 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
41 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
0answers
147 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
0answers
69 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 ...
