4.1.1.2.4 Survey Elements Grouping

The assignment of survey annotations, such as point and lines, to a group. The template can be used when the order of the elements is irrelevant, for example for point clouds or collections of survey string lines.

For ordered list of survey elements, use the Survey Elements Nesting template.

The following diagram shows the generic classes and relationships used when applying this concept. In addition, concepts may have particular importance to common or standardised industry practices and scenarios. For these specific usage scenarios, the table below shows a recommended list of general usage patterns that users may adopt.

Figure 4.1.1.2.4.A

General Usage

ApplicableEntity
IfcAnnotation

Table 4.1.1.2.4.B

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