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File Formats: Enhanced Compressed Wavelet Format (ECW)

The Enhanced Compressed Wavelet file format is a raster file format created by the ER Mapper Company.

The ECW format uses wavelet compression, which results in small, high quality image files that can be loaded and saved quickly. This format is supported by the ER Viewer and the Plug in for Adobe Photoshop. LEADTOOLS uses the ECW SDK to compress and decompress ECW images. This SDK has the following two restrictions:

LEADTOOLS supports V2.0 of this file format.

The default extension used by this format is: ECW.

File constants associated with this file format are:

Constant Read Support Write Support Description
Ecw 24 BPP 24 BPP ER Mapper Enhanced Compressed Wavelet.

Required DLL: Leadtools.Codecs.Ecw.Dll. For a listing of the exact DLLs needed, based on the toolkit version, refer to Files To Be Included With Your Application .

NOTE: This format does not support LEAD's redirected IO feature, therefore it cannot be used with the overloads of Load that take an inputstream parameter or FeedLoad.

Platforms: .NET 2/3, .NET 4

 

 


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