Polygonal Restriction
On the Polygonal Restriction tab of the Surface to Solid form, select the Restrict to Polygons check box option to restrict the data that is displayed by applying polygonal (string or outline) restrictions.
Points occurring outside the region enclosed by the polygons will not be used when the wireframe is created. In most cases, polygonal restrictions are not required.
If you chose a String file, double-click (or click on the List icon) to select the name of the X, Y field names. If the constraint is defined by multiple strings, double-click to select a Join field and (optionally) a String field.
If you chose an Outline file, you can restrict the output data set to those records which match with the field values you select using the Select By and Identifier input boxes.
String File
East and North and Z fields
Specify the names of the fields in which Easting, Northing, and Z coordinates are stored in the string file.
Join field
In forms that require polylines as an input, the values in this field define whether the data points in the input file should be joined by a line. If successive records have the same value in this field, a line will join the points. If two-factor topology is required, the values in a String field may also be used to segment the lines.
String field
In most forms, the String field is an optional generic attribute used to store a secondary input such as a code. Traditionally, this field has also been used with the Join field to define whether data points should be joined by a line, or strung, hence the name.
Outline File
If Outline file is chosen as the input option, click the More button to open the Outline Restrictions form.
