GIS Dictionary
Definitions for GIS terms related to operations such as analysis, GIS modeling and web-based GIS, cartography, and Esri software.
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O
- object
- object class
- object model diagram
- object pooling
- object view
- ObjectID
- object-oriented database
- object-oriented programming
- oblate ellipsoid
- oblique photograph
- oblique projection
- observer
- observer offset
- OCS
- ODL
- off-nadir
- offset
- OGC
- OGIS
- OLB
- OLE
- OLE custom control
- OLE DB provider
- OLE View
- on the fly
- on-demand cache
- one-to-many relationship
- one-to-one relationship
- one-way replication
- ontology
- open traverse
- OpenLS
- operand
- operation codes
- operator
- operator precedence
- optimization
- Oracle
- order
- order pair
- ordinal data
- ordinary kriging
- ordinate
- Ordnance Survey
- orientation
- orientation of vertical labels
- origin
- origin-destination cost matrix
- orthogonal
- orthogonal offset
- orthographic projection
- orthographic view
- orthophotograph
- orthophotoquad
- orthophotoscope
- orthorectification
- outbound interface
- outlier
- outline
- outline vectorization
- out-of-process
- output data
- output directory
- overflow list
- overlapping rings
- overlay
- Overlay Wizard
- overprinting
- override
- overshoot
- overview
- overview map
- overview terrain
- overview window
- owner