Certain association relationship shall be established between chart objects. According to ENC product specification, object association relationship can include two types: Aggregation and Master-Slave. There are two types of Collection Object: collection object mark and Related Object. The association between Collection Object and its reference object mark is stored in another attribute table. Master-Slave is used to express a hierarchical relationship, which is determined by specifying the Master Object and the Slave Object.
The SuperMap chart provides the maintenance of feature object association based on the ENC product specification, including operations such as creating Aggregation, creating Master-Slave, resetting and association. This chapter will introduce the specific content of Relationship Management associated with chart objects in detail.
Executive summary:
Create a Collection Object
The related concepts of Collection Object are introduced, and the specific operation of creating Collection Object is introduced.
Create Master-Slave
The related concepts of Master-Slave are introduced, and the specific operation of creating Master-Slave is introduced.
Modify the association
Describes how to modify Collection Object and Master-Slave.