This function is used to control the display of tool part in multiple stages. The user can click the items in the list of multiple stage control to open or close tool part by the mouse. And the user can control the display model of tool part by selecting the tool attribute. Otherwise, the user can control the tool display model in the whole stage process. Firstly, open the INDEX file of multiple stage, and then click TOOLàMULTIPLE STAGE CONTROL to display the Multiple Stage Control window illustrated in Figure 6.5.1.

Figure 6.5.1  Multiple Stage Control Window

l  TOOL ATTRIBUTE

This function enables the user to control the display model of the tool part by selecting tool attributes. Figure 6.5.2 shows four tool attributes including Normal, Wire Frame, Transparency, and No Contour. The default attribute is Transparency.

Figure 6.5.2  Tool Attribute

l  TIME INTERVAL

This function enables the user to control the time interval among the stages.

l  SHOW TOOLS

This function enables the user to control the display model of the tool part in the whole stage. If the user selects the All option, the tool parts of the whole stage will be displayed. If the user selects Current option, the list of multiple stage control will be invalid, and the tool parts of the current stage are only displayed. If the user selects Current option, the tool part display of the whole stage is the cumulated process.

l  SHOW BLANK HISTORY

This function can display the blank history process in the whole stage illustrated in Figure 6.5.3.

Figure 6.5.3  the blank history process in the whole stage