Tagged Questions

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

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0answers
16 views

QGIS Deployment in Citrix XenApp - How to Remove Pyramids from the image “properties”

I'm working on deploying QGIS 2.4 into a XenApp 6.5 desktop environment. We've tested QGIS to see if it will run in our environment on a test server and have found that building Pyramids with Ariel ...
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0answers
10 views

ArcGIS / .Net - Load pyramids in thread

I need to display a large raster with ArcGIS. To do so, I'm using pyramids, and it is working, but they can be long to build. So I would like to build the pyramids in a separate thread. When doing so, ...
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0answers
15 views

Large Jpegs, handling in ARCGIS

I am working with 10s of large raster data, each one is from jpeg, around 65000x22000 pixels, I have a normal laptop, with 8 Gb of RAM and i5 processor. Can any one give me guidance on how do i make ...
1
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1answer
31 views

Create Reduced Resolution Dataset (.rrd) file with modern software

I need to create, very specifically, a set of reduced resolution dataset (.rrd) pyramid files for a large set of TIFF imagery. I'm using ArcGIS 10.2, and have access to Global Mapper and QGIS. ArcGIS ...
1
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0answers
21 views

Custom imagery not converted correctly in web Bing format tile with Global Mapper?

I have Custom image and I converted to that to the web bing format tiles with the help of global mapper but that are not produce correct quad key in each tile. On the bing map quad key is starte like ...
1
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1answer
57 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 ...
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0answers
45 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 ...
1
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1answer
274 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 ...
6
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3answers
168 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
79 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' ...
2
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0answers
50 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. ...
1
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1answer
61 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 ...
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0answers
707 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, ...
0
votes
1answer
36 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
2
votes
1answer
152 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
1answer
245 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
139 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
vote
0answers
169 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 ...
12
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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. ...
3
votes
2answers
318 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 ...
4
votes
1answer
761 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 ...
2
votes
0answers
194 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 ...