GMS:Interpolating with 2D Scatter Points: Difference between revisions

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{{2D Scatter Point Module links}}
{{2D Scatter Point links}}


Scatter point sets are used for interpolation to other data types such as TINs, grids, and meshes. A 2D grid can be created which will just enclose the scatter points by using the [[GMS:3D Scatter Point Module#Bounding Grid|'''''Bounding Grid''''']] command in the ''Scatter Points'' menu. Interpolation is useful for such tasks as contouring or setting up input data to a model. Since no interpolation scheme is superior in all cases, several [[GMS:Interpolation|interpolation]] techniques are provided in GMS.
Scatter point sets are used for interpolation to other data types such as TINs, grids, and meshes. A 2D grid can be created which will just enclose the scatter points by using the [[GMS:3D Scatter Point Module#Bounding Grid|'''''Bounding Grid''''']] command in the ''Scatter Points'' menu. Interpolation is useful for such tasks as contouring or setting up input data to a model. Since no interpolation scheme is superior in all cases, several [[GMS:Interpolation|interpolation]] techniques are provided in GMS.

Revision as of 21:23, 19 October 2012

2D Scatter Point Module
Samp 2dscat.png
2D Scatter Point
Creating and Editing 2D Scatter Point Sets
Interpolating with 2D Scatter Points
Converting 2D Scatter Points to Other Types of Data
More
2D Interpolation Options
2D Scatter Point Display Options
2D Scatter Point Tool Palette
Active/Inactive Points
Clough-Tocher
Inverse Distance Weighted
2D Scatter Point Commands
Interpolation Commands
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Scatter point sets are used for interpolation to other data types such as TINs, grids, and meshes. A 2D grid can be created which will just enclose the scatter points by using the Bounding Grid command in the Scatter Points menu. Interpolation is useful for such tasks as contouring or setting up input data to a model. Since no interpolation scheme is superior in all cases, several interpolation techniques are provided in GMS.

The basic approach to performing an interpolation is to select an appropriate interpolation scheme and interpolation parameters, and then interpolate to the desired object using one of the 2D interpolation commands.

The interpolation options are selected using the Interpolation Options dialog accessed through the Interp. Options command in the Interpolation menu. Once a set of options is selected, those options are used for all subsequent interpolation commands.

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