DePaul GEOG 458 - Lab 1: Exploring Data Format (10 pages)

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Lab 1: Exploring Data Format



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Lab 1: Exploring Data Format

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Pages:
10
School:
DePaul University
Course:
Geog 458 - Map Sources and Error

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Geog 458 Map Sources and Errors January 13 2006 Lab 1 Exploring data format Data format supported by ArcGIS There are many file types supported by ArcGIS in addition to specific cartographic objects A fundamental goal of ArcGIS is to work with all file based data and Data Base Management Systems DBMS data ArcGIS lets the user work with an extensive array of data sources In this lab we will introduce you to what some of the many are Among the more difficult tasks for the first time user of ArcGIS is keeping track of the object types file types and directory structures It is also important to understand how database structures are organized within a GIS so that you have a basic understanding of how you may search for and manipulate the data contained in the database ArcGIS supports many different file formats For example you may need to use satellite imagery or other compatible file types For imagery the following types are supported by the program Format Extension s Arc Digitized Raster Graphics ADRG img or ovr Band Interleaved by Line ESRI BIL Band Interleaved by Pixel ESRI BIP Band Sequential ESRI BSQ bil bip or bsq Bitmap BMP Device Independent Bitmap format bmp DIB or Microsoft Windows Bitmap Compressed ARC Digitized Raster Graphics CADRG no standard file extension Controlled Image Base CIB no standard file extension Digital Terrain Elevation Data DTED Level 1 2 and Digital Elevation Model dt1 dem ER Mapper usually same as header 1 This lab is adapted from lab materials provided by Demers MN 2005 Fundamentals of Geographic Information Systems 3rd Edition John Wiley Sons file without the ers extension Graphics Interchange Format GIF gif ERDAS 7 5 GIS gis ESRI GRID file format ESRI GRID Directory ESRI GRID Stack Directory ESRI GRID Stack file stk ERDAS IMAGINE file img JPEG File Interchange Format JFIF jpg jpeg jfif ERDAS 7 5 LAN lan Multiresolution Seamless Image Database MrSID sid Spatial Database Engine Raster file format ArcSDE Raster Stored in SDE database Tag



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