ECW (Enhanced Compression Wavelet) is a proprietary wavelet compression image format optimized for aerial and satellite imagery.
0
votes
1answer
39 views
How do I combine many ECW files in MapInfo?
I have MapInfo 11.5.0.16 (I don't have ArcGIS) and I am trying to combine (in some sense) a large collection of ECW files.
I can load one ECW at a time in MapInfo but I have very many. MapInfo ...
2
votes
1answer
171 views
Following previous instructions to set up adding ecw files to QGIS does not work
I have followed the solutions to setting up ECW in QGIS. However, none of them work.
In addition I get a mount - access denied error when trying to load the gdal-ecw and gdal-mrsid plug-ins using ...
2
votes
1answer
113 views
How to import ECW into my postgis database with raster2pgsql (windows)
I'm working on windows 7 64 bits, postgis 2.01. I have to import ECW files into my postgis database. Unfortunatly, my postgis seems to has been compiled without gdal ecw support.When i do a ...
0
votes
1answer
332 views
ecw on windows 7 qgis 1.8 [duplicate]
I used 1.7.4 qgis release on Windows 7, by which it was possible to manage ECWfiles; after passing to 1.8 release, I couldn't deal with an ECW file: it tells me that .ecw is not a supported kind of ...
1
vote
1answer
304 views
ECW on Mac Osx 10.8 Mountain Lion
I'm having some problems with GdalTools on QGIS 1.8, with MacOsx 10.8: I've the GDAL complete library 1.9 but ECW is still a not supported format.
What should I do?
Thanks
11
votes
2answers
555 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. ...
0
votes
0answers
141 views
ECW Compression Engine Error in ERDAS Imagine
We have some IMGs that we're trying to convert to ECWs with the fourth band activated to mask the wretched black null data borders. The instructions we got from ERDAS were to create an AOI and export ...
3
votes
1answer
219 views
ECW/MrSid plugin for GDAL from Kyngchaos not working on Mountain Lion?
Subject says it all. I have installed all of Kyngchaos packages, but
gdalinfo --formats
does not list ECW or MrSid formats.
Could someone else with Mountain Lion try if they can get any JP2 driver ...
4
votes
1answer
211 views
What are the benefits of RGBI Geotiffs vs ECW format?
I just received a batch of imagery for my project area in 2 formats: Geotiff (RGBI) and ECW. The imagery looks very similar and covers the same footprint, but the file size difference is massive: ...
5
votes
3answers
714 views
Mosaicing many large ECW files for display in ArcGIS Server apps
I have about 200 ECW files of recently acquired 1-foot resolution aerial photos. Its about 15GB worth, covering over 250 sq. miles. Unfortunately, you need a license from ER Mapper that runs about ...
