ECW (Enhanced Compression Wavelet) is a proprietary wavelet compression image format optimized for aerial and satellite imagery.

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FME workbench convert Geotiff to ECW

Can anybody guide me with this error message from the FME workbench when I try to read a geotiff file and write it as a ECW file ERROR MESSAGE: ECW writer: Unsupported band interpretation 'REAL32'...
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Geotiff converter to ecw

Does anybody know a converter or how to convert a geotiff file to a ecw file?
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How to check ECW orthophoto date taken?

I've have several orthophotos stored in an ECW (Enhanced Compression Wavelet) file format. For most of them the exact acquisition date is referred in the file name - e.g. "Paris_24_12_2011". But for ...
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How to increase Compression Memory for ECW Opacity Builder

I am attempting to build opacity within an ECW file using ECW_Opacity_Builder.exe from APOLLO Essential Utilities 2014, which has worked flawlessly many times before. When attempting to build opacity ...
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2answers
119 views

Opening ECW files in QGIS?

QGIS 2.14.1 opened .ECW files simply via the open raster menu, without any problems. In 2.14.3, the entire ERDAS Compressed Wavelets option has disappeared from the file type drop down, and QGIS ...
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connecting ecw to its projection and grid data in an xml file

I'm new to mapping please go easy on me:) I have a bunch of ecw files with 2 xml file one is a file ending with *.ecw.xml and one with *.ecw.aux.xml I am trying to load the ecw files into ...
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33 views

open ecw file in mapwindow

I'm very new to mapping. I have a bunch of ecw files and also xml files with their mapping information. I'm trying to load them in mapwindow but am having no success. Can this be done?
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ECW support Mac OS X 10.11

I'm not seeing any support for the ECW format in Mac OS X 10.11. Nothing recent in searches here and the latest on kyngchaos is for 10.9 and doesn't do anything for QGIS 2.12.
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51 views

Reducing size/quality of ECW data for ArcGIS use

ArcGIS freezes when I try to operate it with orthophotos (ECW format). Is there any easy way to reduce the size/quality before opening them? I would like to try exporting them into another format ...
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93 views

ECW files not visible in qgis browser (or qbrowser as executed in console)?

version: 2.4.0-1ubuntu2 I'm following a web tutorial at lynda.com about QGIS. In one of the first videos I see there's this preview of raster files. There's the .dem files and the .ecw files among ...
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1answer
291 views

Geoserver ecw plugin problem

I am trying to publish some ecw files with geoserver 2.7.2 on ubuntu 15.04 x64. I downloaded gdal plugin, gdal_data and native libraries for image-io 1.1.11 and set environment variables; GDAL_DATA, ...
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1answer
329 views

Is it possible to import .ecw images into QGIS 2.10 for UBUNTU?

We want to import .ecw images. We have done it using QGIS 2.8 for Windows in the past, but we can't using QGIS 2.10 for UBUNTU. Thanks.
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409 views

How to Install GDAL with ECW Support on Windows

What do I download from http://www.gisinternals.com/stable.php for Win7-32 to cut 1:1M map sheets out of Australia.ecw file in GDA94/Geographic and save them as geotiff in WGS84/Geographic? I would ...
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1answer
732 views

How to convert TIF to ECW with FME maintaining a certain value?

I want to convert TIF to ECW with FME. Some tif-pixels have values of 255/255/255: After conversion these pixels have values of 254/254/254 or 253/254/252 or similar. How can I achieve that 255/...
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2answers
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ERROR 1: None of ECW_ENCODE_KEY and ECW_ENCODE_COMPANY were provided

I downloaded ERDAS-ECW_JPEG_2000_SDK-5.1.1 and tried to use it with GDAL to create ECW files from georeferenced PNG files, but they are not created, it basically complains about: ERROR 1: None of ...
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298 views

ECW support on ubuntu 14.04 - QGIS 2.8.1

I've followed instructions for lubuntu 14.04 - QGIS 2.2 ( Answer in Unable to install ECW support on lubuntu 14.04 ), adapting to QGIS 2.8.1. No problem to install packets, but result of gdalinfo --...
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1answer
128 views

QGIS reprojecting .ecw file in EPSG:23032

I opened the .ecw file with qgis but I found that the ortophoto is 340 mt northern and 150 mt eastern the topographic map. How can I move the ecw?
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ECW support for QGIS 2.8 (Wien) and Ubuntu 14.10 (Utopic Unicorn) [duplicate]

Getting QGIS 2.8 (Ubuntu 14.10) ready for ECW files is really a pain. I've no terminal experience and it took me several hours to install the ECW JPEG 2000 SDK 3.3. What I did so far: #download ECW ...
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568 views

Converting .ecw to .jp2

Is there any easy to use software for converting .ecw/.eww files to .jp2/.jpw files without loosing the georeferencing? I don't want to use proprietary file formats with QGIS. EDIT: I've deleted the ...
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120 views

How to import ERDAS ECW in QGIS 2.6 using GDAL 1.11? [duplicate]

I am using Lubuntu 14.10, QGIS 2.6, and Ubuntu GIS(unstable). QGIS was used to use GDAL 1.10, and can import ERDAS ecw format. But after GDAL upgraded to 1.11, QGIS couldn't import ecw images. How to ...
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188 views

Problem exporting ecw project- arcpy

I work with arcview 10.3. Every time i export maps with ecw raster format , python (version 2.7.8) get crashed and i see: I use this code: import arcpy,os,sys,string import arcpy.mapping from arcpy ...
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Installing QGIS with ECW support on Mac?

I bought a imac recently and I tried to install qgis: without success! It is not possible to read the raster files. I installed GDAL ECW plugin, but it is necessary to copy and paste another file ...
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Convert from ecw to jpg

I am trying to converta batch of ecw aerial photos to jpg in arcmap using the ( Raster to other format) but each time it converts 4 or 5 images and then fails and show this message. i tried to ...
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641 views

Geoserver 2.6 with ECW support

Did read "Geoserver 2.1.1 with ECW support" but when I look at the link - http://docs.geoserver.org/stable/en/user/data/raster/gdal.html, it refers MSVC installation and other vague Window binary ...
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248 views

Enabling Erdas ECW files in gdal

I want to enable read support from Erdas ECW files in gdal on windows. I have GDAL binaries from http://www.gisinternals.com/sdk/ and i also have a self compiled version. when compiling myself I ...
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147 views

Enable ecw QGIS 2.4 on Linux Mint 16

I upgraded to Mint 16 and QGIS 2.4 and unable to get ecw to work following various guides available. Anyone willing to explain how to and why it is so hard. I run it on a windows machine out of the ...
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288 views

How do you extract the data behind a raster histogram

Bit of a newbie, so this may be a daft question. I have an .ecw picture - it is has no CRS, as it is a picture taken at ground level with an NIR camera. It was originally converted from a RAW image. ...
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257 views

Adding ECW file to MXD with ArcPy?

I'm using Desktop 10.2 and I tried ,with this script, to add ecw file to mxd's but the result is a black & white raster(stretched symbology) instead of colored raster(RGB composite symbology) : ...
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790 views

merging ecw images

Is anyone able to recommend a program/process/method for merging ecw images together. I have approximately 2000 ecw images (tile) that 1.5x1.5km each which together and put to combine them all ...
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1answer
754 views

ecw file with mapserver

I have a problem with ecw file. I'm using mapserver and openlayers. I have a ecw file and I make my tileindex file with gdaltindex. I want to put in my map file, I tried many ways but no ones work. ...
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Problems installing libgdal-ecw package

I have problems to visualize ecw files for qgis 2.3.0 using ubuntu 12.04 LTS. From terminal, following the instructions for qgis 1.8 found at ECW for QGIS 1.8 in Ubuntu 12.04, because launching the ...
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3k views

How to change GDAL version in QGIS to get ECW import to work

I’ve previously been successful in importing ecw into QGIS 2.0 but the same methods (for example How to add *.ecw files to QGIS 2.0 on Windows?) have failed with a fresh install of QGIS 2.2 with ...
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271 views

Are there another way/tool as GDAL/ERDAS-API to convert a raster to ECW?

I am looking for a tool to convert raster (TIF, JPG) to ECW. I found this two year old question/answer How to convert orthophotomap to .ecw file? The answer is to use GDAL with an ERDAS SDK. I checked ...
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1answer
1k views

OSGeo4W error - The procedure entry point … NCSEcw.dll

There are a few posts with a simular error but none with this particular dll. When I try to run a gdal executable from the command line or try to open the OSGeo4W shell I get the following error... ...
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52 views

Which format is more convenient to publish in Erdas Apollo?

I am from Bolivia and I need to publish some Satellite images in Erdas Apollo. My question is Which format is more convenient for publish in this software?, because I have Landsat5 TM images in TIFF ...
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How do I display a raster “Background Value” as hollow for more than one set of RGB values?

I have two overlapping .ecw layers of the same area, though one is clipped in the middle, with a white edge. When I set the background value to 255,255,255, and define it as hollow, it only hollows ...
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How do I add and view *.ecw raster images in QGIS 2.2.0 on Ubuntu 14.04 LTS

How do I make ECW files work in Quantum GIS on my Ubuntu 14.04?
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Unable to install ECW support on lubuntu 14.04

I try unsuccessfully to install the ECW support (mainly to use ECW file in QGIS 2.2). We attempt to follow and adapt the howto provided by makina-corpus. My first supprise was the repository ...
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380 views

ERDAS Imagine ecw compression settings

We have some jp2 or img satellite images that we compress to .ecw using ERDAS Imagine. We have realized that with some images we are losing too much information while doing that. What i wanted to ask ...
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160 views

Raster format similar to ECW

I need an alternative to the ECW format that we currently have for a new series of Ordnance Survey maps. The ECW format looks clearer and less pixelated than the new maps in Tif format (in QGIS). ...
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520 views

ECW files to geoserver 2.4

I'm trying to add .ecw files (20 orthophotos) to geoserver 2.4. Geoserver is running on an ubuntu 12.4. Vserver. I'v already installed the GDAL plugin. Is this the right format for the import:...
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2answers
1k views

Why do I get a gdal_translate error when creating ecw from tif

I have python 2.7 and the latest gdal 32bit core with also GDAL-1.10.1.win32-py2.7.msi and the ecw plugin on windows xp. I have checked that the ecw plugin works by checking the installed formats with ...
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Best tutorials on raster data formats and raster manipulation [closed]

I am looking to improve my understanding of raster formats and how to manipulate them. I don´t really want to go into the mathematics of it, but really want to know the differences between the ...
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1answer
358 views

Trying to build GDAL with ECW SDK 5.0 on Windows

I'm using Visual Studio 2010 to open and build the GDAL 1.10 source (using the "makegdal10.sln"). This builds without an issue. Now I want to include the ECW support by including the ECW v5.0 SDK (...
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What format and settings to use for aerials photos in QGIS?

Following question which was more about handling Aerials with ArcGIS: Most Effective Format to Manage Aerial Photography for Viewing Only It seems there are 2 major options for storing / resampling /...
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Using gdal_merge to create a grayscale mosaic

My gdal fu is weak and I need help! ;) I'm creating a mosaic in geotiff from hundreds of ecw. I created a list of all my rasters and used this command: gdal_merge -o c:\temp\output_image.tif -q -v --...
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Can QGIS2 / GDAL convert to .ECW without corruption?

I have qgis 2.0.1 and it can read *.ecw files that I download. However, when I convert say a *.jpg or *.tiff to *.ecw the output is corrupt. Has anyone seen this problem?
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Using ECW with mapserver

I know that mapserver drop the support for ecw due to licensing issues. But if i understand well, as mapserver rely on GDAL, if GDAL support ECW, mapserver can serve ECW data. So I've compiled ...
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Is ERDAS 2011 or ArcGIS 10.1 best to use when mosaicking 100's of ECW image files?

I have to perform hundreds of imagery files and they are in ECW files. They are 1 ft resolution and are in quarter quad and came from BLM but they are product by NGA. I wonder which software is the ...
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Uninstall ERDAS ECW/JP2 SDK Version 5.0 (Ubuntu)

I am using Ubuntu Linux as main OS when it comes to geoprocessing but I am not yet an expert using it. I recently needed QGIS to have ECW support, so I followed the instructions of Luke in the ...