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...hen the 2D Scatter Point module is active. The menu has one submenu: the ''Interpolation'' submenu. Below are the commands available in this menu. ; New Scatter Point Set : Creates a new dataset.

[[File:3DinterpolationOpts.jpg|thumb|500 px|The ''3D Interpolation Options'' dialog.]] ...r a model. Since no interpolation scheme is superior in all cases, several interpolation techniques are provided in GMS.

...centroids. Since no interpolation scheme is superior in all cases, several interpolation techniques are provided in WMS. ...s selected, that option is used for all subsequent interpolation commands (interpolation of elevations from DEM/TIN to TINs or 2D Grids, floodplain delineation, etc

3D mesh nodes can be converted to 3D scatter points bye using the following command in the ''Mesh'' Menu: ==Mesh to 3D Scatter Points==

==Grid → Scatter Points== ...sets associated with the grid and the datasets are associated with the new scatter point set.

The 2D Scatter module is used to visualize and apply various types of data. This data typ ...us interpolation. Since the connectivity of the triangulation affects the interpolation, SMS provides tools to allow for the manipulation of this triangulation. T

...roduced by Sibson (1981). A more detailed description of natural neighbor interpolation in multiple dimensions can be found in Owen (1992). ...sed in natural neighbor interpolation is identical to the one used in IDW interpolation:

==VTK Dataset Interpolation== ...on mesh2d, cgrid, scatter, VTK mesh or curvilinear geometric objects. The interpolation is invoked in the Project Explorer by right-clicking on the VTK mesh or cur

...ment method of numerical analysis. Before any points are interpolated, the scatter points are first triangulated to form a temporary TIN. A bivariate polynomi ...r scheme is a local scheme, it has the advantage of speed. Even very large scatter point sets can be interpolated quickly. It also tends to give a smooth inte

Scatter data can be used in GMS with the following steps: !style="text-align:left;"|1. Import scatter data.

...ngle, the TIN describes a piecewise linear surface which interpolates the scatter points. The equation of the plane defined by the three vertices of a trian ...ed at the bottom of the [[SMS:Scatter_Interpolation#Interpolation_Dialog|''Interpolation Options'']] dialog.

* [[GMS:2D Scatter Point Commands| Scatter Points (2D)]] * [[GMS:Interpolation Commands| Interpolation (2D and 3D)]]

{{3D Scatter Point links}} ...value at the point is ignored when interpolation takes place. As a result, interpolation proceeds as if the point did not exist.

...roduced by Sibson (1981). A more detailed description of natural neighbor interpolation in multiple dimensions can be found in Owen (1992). ...sed in natural neighbor interpolation is identical to the one used in IDW interpolation:

If the linear interpolation scheme is selected, the data points are first triangulated to form a networ ...e point data are assigned the default extrapolation value entered in the ''Interpolation Options'' dialog. The figure below shows a network of triangles created fro

...e ''TIN'' menu. A resolution (x and y spacing) must be defined and then an interpolation method specified (linear is the default) to interpolate DEM elevations from ==TIN to Scatter Points==

...le|UGrids]]. In addition to interpolating scalar values, GMS also supports interpolation of materials with [[GMS:T-PROGS|T-PROGS]]. The T-PROGS software is used to ==Interpolation Types==

...at tries to give smooth gradients between areas of known values. Laplacian interpolation can only be performed on a cell-centered Cartesian grid. When performing Laplacian interpolation, the values at each scatter vertex are considered known values and assigned to the Cartesian grid cells

...the 1D-Hydraulic Centerline or 1D-Hydraulic Cross sections coverages, new scatter points either at the vertices of the feature arcs (centerline or cross sect ...d at every point along the cross section and along the centerline linearly interpolation is used between consecutive cross sections (this would be consistent with t

==Interpolation== ==Convert to Scatter==