Z-value The elevation value of a surface at a particular x, y location. May also be referred to as a spot height or spot elevation.
z-valueThe value of a surface at a particular x,y location (e.g., elevation). Often referred to as spot values or spot elevations.
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The GIS Glossary
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z-value
The value for a given surface location that represents an attribute other than position.
Depending on your needs, you may want to check the Z-value box. A Z-value is a vertical elevation- compare to X and Y.
See Also: DTED, raster, SDTS, TIN dataset, z-value
[data models] Acronym for digital elevation model. The representation of continuous elevation values over a topographic surface by a regular array of z-values, referenced to a common datum.
In the vector model, the z-value is either stored as an additional attribute column or within the feature's geometry itself. This model uses points with x,y, and z values as the input to a 3D surface and interpolates values in between these points.
Those feature layers that contain elevational attributes can be loaded into 3D scenes and placed in 3D space according to their Z-value.
Vertices: One of a set of ordered X,Y co-ordinates that constitute a line.
Z-value: The value of a surface at a particular X,Y location, for example, elevation. The Z-value usually refers to 3D features.
The zmult parameter allows the user to rescale the z-values which may be useful, e.g., for transformation of elevations given in feet to meters, so that the proper values of slopes and curvatures can be computed. The default value is 1.
THIS IS DONE USING A DISTANCE-WEIGHTING TECHNIQUE, SUCH THAT CONTROL POINTS CLOSER TO THE NODE HAVE A LARGER AFFECT ON THE OUTCOME OF THE NODE Z-VALUE.
CO-ORDINATE
x, y and possible z-values defining a position in terms of a spatial reference framework.
an exact definition of a system of mathematics and geodetic constants that defines how a specific geographic location is converted to a set of two or three numbers (for example, an X- and Y-value [and possibly a Z-value]); in the cartographic context, ...
X,y,z data can be imported and used for putting the data into a grid. For bathymetric data, z-values can be inverted to take care of positive values. Custom projection can also be applied dynamically while converting this data.
This figure shows the default options for interpolation: IDW-2 using the 12 nearest neighbors. You will have to specify the Z-value field.
The number in the array location is proportional to or equal to the elevation of the terrain (z-value) above the horizontal datum.
Each sample point has an X,Y co-ordinate and a surface, or Z-Value. These points are connected by edges to form a set of non-overlapping triangles used to represent the surface.
maps such as contour lines, boundary lines, water areas, vegetation, forest areas etc, are captured or digitized in different layers to generate the topographic map in vector format. 3 D topographic mapping is done by assigning the Z-values to the ...
 See also: Surface, Map, Model, Elevation, Location
  
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