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April 12th, 2011
ERDAS Releases New Product, ECW for ArcGIS Server

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ERDAS proudly announces the introduction of the all-new ECW for ArcGIS Server, which provides a means for ArcGIS Server 10 to deliver Enhanced Compression Wavelet (ECW) data to clients via OGC-compliant Web Coverage Service (WCS) and Web Map Service (WMS). Using components of the ERDAS ECW/JP2 SDK version 4.2, ECW for ArcGIS Server enables ArcGIS Server to support ECW imagery, providing the fastest decompression available. Using minimal memory, ECW can quickly decompress and open massive files, in many cases faster than uncompressed imagery can be opened.  Additionally, multi-resolution level of detail is built into the file, eliminating the need to generate or distribute pyramids or overviews. The ECW technique does not require that immediate tiles (RRDs) be calculated and stored on disk; they are an inherent part of ECW’s Discrete Wavelet Transformations (DWT).   ECW also supports opacity channels, allowing images to overlay other imagery cleanly without showing compression artifacts around the edges. Learn More

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