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亚洲太平洋地区 (Chinese Simplified) 更改
 

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343  Planar Coordinate Data (R)

Input Standards

Required if applicable/Required if applicable
1st Indicator  Undefined
blank character  Undefined
2nd Indicator  Undefined
blank character  Undefined
Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards
‡a Planar coordinate encoding method (NR) Required if applicable/Required if applicable
‡b Planar distance units (NR) Required if applicable/Required if applicable
‡c Abscissa resolution (NR) Required if applicable/Required if applicable
‡d Ordinate resolution (NR) Required if applicable/Required if applicable
‡e Distance resolution (NR) Required if applicable/Required if applicable
‡f Bearing resolution (NR) Required if applicable/Required if applicable
‡g Bearing units (NR) Required if applicable/Required if applicable
‡h Bearing reference direction (NR) Required if applicable/Required if applicable
‡i Bearing reference meridian (NR) Required if applicable/Required if applicable


Definition

Information about the coordinate system developed on a planar surface. Include enough information to allow the user of a geospatial data set to identify the quantities of distances, or distances and angles. These define the position of a point on a reference plane onto which the surface of the Earth has been projected. Use with the Content Standards for Digital Geospatial Metadata available at the Federal Geographic Data Committee web site ( http://www.fgdc.gov/standards/standards_publications/).

Punctuation. Enter a period at the end of field 343 unless another mark of punctuation is present. Use a semicolon (;) to separate each subfield.

1st Indicator

 Undefined. The 1st indicator position is undefined and contains a blank (blank character ).
blank character Undefined

2nd Indicator

 Undefined. The 2nd indicator position is undefined and contains a blank (blank character ).
blank character Undefined

Subfields
‡a Planar coordinate encoding method The means used to represent horizontal positions.
343 Distance and bearing.
‡b Planar distance units The unit of measure used for distances.
343 ‡b International feet.
‡c Abscissa resolution The (nominal) minimum distance between the x or column values of two adjacent points, expressed in planar distance units of measure.
343 Coordinate pair; ‡b meters; ‡c 22; ‡d 22.
‡d Ordinate resolution The (nominal) minimum distance between the y or row values of two adjacent points, expressed in planar distance units of measure.
343 Coordinate pair; ‡c 0.01; ‡d 0.01; ‡b U.S. feet.
‡e Distance resolution The minimum distance measurable between two points, expressed in planar distance units of measure.
343 Coordinate pair; ‡e 30.0; ‡f 0.0001; ‡g Degrees, minutes and decimal seconds; ‡h North; ‡b U.S. feet.
‡f Bearing resolution The minimum angle measurable between two points, expressed in bearing units of measure.
343 Coordinate pair; ‡e 30.0; ‡f 0.0001; ‡g Degrees, minutes and decimal seconds; ‡h North; ‡b U.S. feet.
‡g Bearing units The units of measure used for angles.
343 Coordinate pair; ‡e 30.0; ‡f 0.0001; ‡g Degrees, minutes and decimal seconds; ‡h North; ‡b U.S. feet.
‡h Bearing reference direction A direction from which the bearing is measured.
343 Coordinate pair; ‡e 30.0; ‡f 0.0001; ‡g Degrees, minutes and decimal seconds; ‡h North; ‡b U.S. feet.
‡i Bearing reference meridian An axis from which the bearing is measured.
343 ‡i Magnetic.

Printing

 Field 343 does not print.

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