GIS key vocab from ESRI dictionary
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show | [map design] The extent used to define a focus area for either a map or database production.
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CAD | show 🗑
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show | The structure used to store a computer file or record
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show | The reference specifications of a measurement system, usually a system of coordinate positions of a surface (horizontal) or heights above/below a surface (vertical). Ex. WGS 84, NAD 83
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show | Database used to STORE, QUERY, and MANIPULATE spatial data. Stores geometry, spatial reference system, attributes, and behavioral rules for data. Can store feature classes, attribute tables, raster datasets, network datasets, topologies
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Elevation | show 🗑
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show | 3d, closed geometric shape, all planar sections are ellipses or circles.
Scalene: all three axes are different lengths
spheroid: two of three axes are the same length
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Feature Class | show 🗑
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Feature Dataset | show 🗑
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Feature Layer | show 🗑
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show | A list of geographic place names and their coordinates. May include other information. e.g. USGS Geographic Names Information System
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GeoEnrichment | show 🗑
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show | A reference system that uses latitude and longitude to define locations on the surface of a sphere or spheroid. Must include DATUM, PRIME MERIDIAN, and ANGULAR UNIT
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show | Dominant wavelength of a color
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Image | show 🗑
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show | x,y coordinate pair specifying location of a pixel in terms of row and column position. x gives column number starting from 0 at left edge; y gives row number starting from 0 at the top
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show | x,y, coordinate space defined by columns and rows in a raster dataset. For use in a GIS image space must be transformed to real-world coordinate system through georeferencing
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show | JavaScript Object Notation. Data interchange format. An alternative to XML
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LAN | show 🗑
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show | Binary file format for storing lidar data
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show | Angular distance north or south of equtor
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show | Angular distance east or west of a central meridian (usually Greenwich prime meridian) . All lines of longitude are great circles
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Large Scale | show 🗑
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Lossless Compression | show 🗑
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show | Data compression that has high compression ratios, but does not retain all information in the data. Used to compress raster datasets that will be used as background images.
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Mosaic Dataset | show 🗑
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show | Average height of the surface of the sea for all stages of the tide over a 19 year period
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Mental Map | show 🗑
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show | Data about data. Describes content, quality, condition, origin, etc of data.
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NoData | show 🗑
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Pixel | show 🗑
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Qualitative Data | show 🗑
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show | Date grouped by measurements of number or amount (how many?, how much?, how often?). Can be discrete or continuous
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show | A spatial data model the defines space as an array of equally sized cells arranged in rows and columns, and composed of single or multiple bands. Each cell contains an attribute value and location coordinates.
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Small Scale | show 🗑
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show | TRIANGULAR IRREGULAR NETWORK. Vector data structure that partitions geographic space into contiguous, non-overlapping triangles. Used to display surface models.
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Tobler's First Law of Geography | show 🗑
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Vertical Coordinate System | show 🗑
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show | EXTENSIBLE MARKUP LANGUAGE. A standardized markup language for designing text formats. Facilitates interchange of data between computer applications. XML is a set of rules for creating standard information formats using customized tags.
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Z-value | show 🗑
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
goofeth
Popular Geography sets