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About ArcView Image Analysis

ArcView Image Analysis brings geographic imaging tools that go beyond using images as a backdrop for vector maps to the ArcView GIS desktop. Digital imagery can be used for data visualization, data extraction and creation, and analysis (see main article detailing how Scotland's South Ayrshire Council benefited from the information derived from imagery, "Digital Orthophotography Boosts Scottish Maintenance Program"). ArcView Image Analysis allows users to leverage a broad range of readily available image data types—including satellite imagery, aerial photography, orthoimagery, and other remotely sensed data—supplementing a wide variety of applications.

ArcView Image Analysis 1.1 provides better access to data and improved processing, and produces superior images. Along with the wide range of data plug-ins, or Dynamically Linked Libraries (DLLs), that were available in the first release, ArcView Image Analysis 1.1 adds key formats for direct reading and processing of data including BIL, BIP, and BSQ formats from Esri, Satellus (Swedish Space Corporation), and Space Imaging. ArcView Image Analysis 1.1 also significantly improves support for data from 11-bit imaging systems such as Space Imaging's IKONOS satellite including improved histogram editing and image enhancement manipulation. Direct-read support is also available for NITF data* and ERDAS' extended IGE format for images larger than 2 GB in size.

In addition to the new direct-read capabilities, several new importers have been added and include support for Landsat 7, Radarsat, NLAPS, and several other formats.

ArcView Image Analysis 1.1 enhancements include many filters for customizing or developing with the Avenue language. Mosaicking is a new and important addition that allows users to create seamless image mosaics through single-button operation, regardless of pixel sizes or file formats of the input imagery.

ArcView Image Analysis is a powerful and useful tool for ArcView GIS users who want to use new data types from different sources and work intelligently and productively with any type of geographic imagery. For more information about geographic imaging, please contact ERDAS (toll-free tel.: 1-877-GO ERDAS [1-877-463-7327]) or visit ERDAS on the Web at www.erdas.com.

* Direct-read capability for NITF data will be available as a post-release download and with the ArcView GIS 3.2a upgrade.

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