JPH0218671A - Architecture cad system - Google Patents

Abstract

PURPOSE:To realize trial-and-error operation for production of an architectural design drawing and to facilitate a designing job by storing the chain information on the graphic element unit for each closed area via a trial-and-error assuring function and securing the chain information obtained before and after the change of the closed area. CONSTITUTION:A trial-and-error assuring function stores the chain information A1 and B1 on the graphic element units A and B forming a closed area together with a change identifier showing the change history of the closed area for each closed area. In case the closed area has a change with the change identifier recorded into the information A2 and B2 respectively, the information A1 and B1 obtained before the change of the graphic element unit related to the change of the closed area are registered into a data base. In such a way, the chain information on the units A and B forming a closed area proper to the architecture are stored for each closed area as the change identifiers showing the change history of the closed area. Then the data on the graphic element unit where the change identifier is recorded is registered into the data base. Thus the chain information obtained before and after the change can be assured for each closed area.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a trial-and-error guarantee function of an architectural CAD system.

[Prior art 1] The trial-and-error guarantee function of the conventional architectural CAD system is limited to guaranteeing simple drawing elements, with the guarantee target being in units of graphical elements such as points and lines.

[Problem to be solved by the invention] The above-mentioned trial-and-error guarantee function of the conventional architectural CAD system guarantees basic graphical element units, so even if a closed area specific to architecture is created using architectural CAD, However, through trial and error, the closed area is destroyed, and thereafter it is no longer recognized as a closed area specific to architecture, which poses a problem in improving the efficiency of architectural design work.

[Means for solving the problem] The architectural CAD system of the present invention has a trial-and-error guarantee function,
Chain information for each graphical element forming a closed area is stored for each closed area together with a change identifier indicating the change history of the closed area, and when a change occurs in a closed area and the change identifier is recorded in the chain information, This is to register in the database the chain information before the change in units of graphic elements related to the change.

(Function) Chain information for each graphical element that forms a closed area specific to an architecture is stored for each closed area together with a change identifier that indicates the change history of the closed area, and the change identifier or recorded data for each graphical element is stored in a database. By registering, chain information of change interviews can be guaranteed for each closed area.

〔Example〕

Next, embodiments of the present invention will be described with reference to the drawings.

Fig. 1 is a diagram showing the trial and error operation of the architectural CAD system of the present invention, Fig. 2 is a diagram showing the types of graphical elements constituting column B that are not shown in Figs. 1 (a) and (c), and Fig. 3 is shown in Figure 1(b)
It is a figure which shows the graphic element unit which comprises the column B shown in FIG.

In this embodiment, the architectural CAD system performs trial and error regarding the columns A and B and the wall C between them, as shown in FIG.

First, when pillars A and B are defined in FIG. 1(a), chain information A1. Bl is generated. In this embodiment, this chain information is composed of a modification identifier indicating the change history of the closed area, a graphic element type indicating the graphic element unit forming the closed area, and coordinate information of the graphic element type. Considering this chain information B1 of column B formed by line II and +2.13.14, it is configured as shown in Table 1, and the deformation identifier is not recorded.

Table 1 When a wall C is defined between columns A and B as shown in Figure 1(b), chain information C for wall C is similarly generated and chain information AlB1 for columns A and B is updated. and chain information A2. Generate B2.

Considering the update of this chain information for pillar B, chain information B2 has no changes regarding lines +1, 12, and 13, but line 14 has been deleted, as shown in Table 2.

Table 2 And line 141.1421 as a new graphic element unit
43 is recorded in the graphic element type. Also, at this time, the deleted and newly defined line 14] is recorded in the modified identifier column of the deleted line 14, and the fact that it is new is recorded in the modified identifier of 142.143. Furthermore, along with updating the chain information, the deformed identifiers are recorded as lines 14, 141, 142.
．． 143 is registered in the database as pillar B deformation information. Similarly, the updated chain information B2 and the new chain information C are also registered in the database.

Next, if the architectural designer cancels the state shown in FIG. 1(b), that is, the state in which wall C is provided between pillars A and H, the trial-and-error guarantee function uses chain information A2. Referring to the modification identifier B2, the original state is restored with wall C deleted, as shown in FIG. 1(c). The chain information also returns to the state shown in FIG. 2, but the chain information with wall C installed is deleted from the database at this point.

[Effects of the Invention] As explained above, in the present invention, the trial-and-error guarantee function stores chain information in units of graphic elements for each closed area and secures chain information after changing the closed area. There is an effect as shown in

(1) Closed areas (columns, walls, etc.) unique to architectural CAD are automatically guaranteed, so you can create architectural design drawings and do trial and error operations.

(2) Architectural designers should consider closed areas (walls, walls, etc.) unique to architecture.
You can focus on your design work knowing that your design is automatically guaranteed.

(3) Since the trial-and-error guarantee function of conventional CAD can be used, the number of man-hours required to develop a new architectural CAD is reduced.

[Brief explanation of the drawing]

Figure 1 is a diagram showing the trial-and-error operation of the architectural CAD system of the present invention, and Figure 2 is a diagram showing the pillar B shown in Figures 1 (a) and (c).
Figure 3 is a diagram showing the graphical element units constituting Figure 1 (b
) is a diagram showing graphic element units that constitute pillar B shown in FIG. 11.12.13,14,141,142.143...
····line.

Claims (1)

[Claims] 1. Store chain information for each graphical element of points and lines that form a closed area specific to architecture, such as columns and walls, and when the configuration of the closed area is changed, the changed chain information is stored in the graphical element. In an architectural CAD system that has a trial-and-error guarantee function that registers each element in a beta base and performs drawing by referring to the chain information, the trial-and-error guarantee function registers the chain information of the geometric elements that make up a closed area, It is stored for each closed area along with a change identifier that indicates the change history of the graphic element units that make up the closed area, and when a change occurs in the closed area and the change identifier is recorded in the chain information, the graphic element unit related to the change is stored. An architectural CAD system characterized by registering chain information before change in a database.