Abstraction
An abstraction is a mathematical representation of a (spatial or spatiotemporal) Phenomenon.
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- airfoil
- axis
- semi-major-axis
- semi-minor-axis
- vertical-axis
- x-axis
- binary-mask
- cantor-set
- circle
- curve
- enclosing-curve
- data-stream
- datum
- ellipse
- ellipsoid
- equation
- expression
- function
- graph
- tree-graph
- rooted-tree-graph
- grid
- line
- mask
- model
- origin
- parabola
- peano-curve
- plan
- plane
- point
- point-set
- polygon
- polynomial
- profile
- ray
- response-filter
- row-major-offset
- shape
- sierpinski-gasket
- sphere
- square
- trapezoid
- triangle
- sine-wave
- black-body
- ecliptic
- convection-diffusion-equation
- heat-equation
- navier-stokes-equation
- poisson-equation
- friedmann-universe
- image
- location
- market-basket
- mohr-coulomb-plastic
- streamline
- transect
- apex
- aphelion
- boundary
- cell
- dual-cell
- primary-cell
- center
- centerline
- centroid
- column
- contour
- crest
- crestline
- endpoint
- focus
- isosurface
- node
- dual-node
- x-dual-node
- y-dual-node
- z-dual-node
- primary-node
- x-primary-node
- y-primary-node
- z-primary-node
- partition
- perihelion
- row
- shell
- surface
- trough
- vertex
- x-section
- amphidromic-points
- core-mantle-boundary
- crust-mantle-boundary
- lithosphere-asthenosphere-boundary
- seaward-boundary
- geodetic-datum
- vertical-geodetic-datum
- gravimetric-vertical-datum
- tidal-vertical-datum
- msl-tidal-vertical-datum
- epicenter
- equator
- equilibrium-line
- geocenter
- geodesic
- geoid
- hypocenter
- isocline
- potential-temperature-isosurface
- land-mask
- pole
- north-pole
- magnetic-north-pole
- terrestrial-north-pole
- virtual-north-pole
- south-pole
- magnetic-south-pole
- terrestrial-south-pole
- sea-mask
- shoreline
- viewpoint
- wheelbase
- wingspan
- point-pair
- instrument-response
- wave
- equation-of-state