Comma delimited, also known as comma-quote delimited and CSV, separate fields by commas. Character fields may be enclosed in double quotes, and need to be if they contain an embedded comma. Two commas in a row signify that the field is blank. Usually whitespace is not allowed before or after fields (although this may be tolerated in the CSV form).
Repeated generalization will make the boundary of a polygon more precise.
How Sorting records in GIS Date?
A pseudonode is a node, which can be removed from a vector dataset without affecting the topology.
What is Spacequote delimited ASCII?
A sliver polygon may be the result of the same line on a map being digitized twice.
RINEX is the abbreviation for Remote Information Exchange format.
DXF and NTF are examples of vector transfer formats.
A cheap flatbed scanner could have an accuracy of 50 - 200 dpi.
An experienced user should be able to digitize data with accuracy equal to the width of the line they are digitizing.
In point, mode-digitizing points are added automatically at set time or distance intervals as the user moves the cursor across the map.
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