TWI443540B - System and method for moving a close drawing automatically - Google Patents

Description

Closed graphic automatic offset system and method

The invention relates to a closed graphic automatic offset system and method.

In mold design, mold designers often encounter shifting operations on various closed patterns to speed product design and shorten development cycles. The so-called graphic offset means that when the original closed figure is kept unchanged, the original closed figure is copied and the copied closed figure is moved in the offset direction to generate a new figure. When the designer performs the closed pattern offset, the offset function of the drawing system is adopted. This function has a serious problem. After the cross pattern and the pattern with the continuous arc are offset, the offset error or the The case of offset. Moreover, there are many extra intersecting lines after the graphics are offset, and the designer has to manually trim the graphics, which wastes time.

In view of the above, it is necessary to propose a closed graphic automatic offset system, which can quickly and accurately complete the offset operation of the closed graphic in the image file.

In view of the above, it is necessary to propose a closed graphics automatic migration method, which can quickly and accurately complete the offset operation of the closed graphics in the image file.

A closed graphic automatic offset system, comprising a computer host, the computer host comprising: a selection module, configured to select a closed graphic in the mold design file to perform an offset operation; and a setting module, configured to set the closed graphic Offset direction and offset; acquiring module for acquiring all feature points of the closed graphic; splitting module for splitting the closed graphic into basic graphics according to the acquired feature points, and copying all basic graphics An analysis module, configured to analyze an offset direction and an offset of each of the basic graphics after the copy according to the offset direction and the offset of the closed graphic; and the moving module is configured to: The corresponding offset direction and offset obtained by the analysis are moved; the trimming module is used for trimming each of the offset basic graphics; and the serial module is used for concatenating all the basic graphics after trimming Into a closed graphic.

A closed graphic automatic offset method, the method comprising the steps of: selecting a closed graphic that needs to be offset in a mold design file; setting an offset direction and an offset of the closed graphic; acquiring all features of the closed graphic Point; split the closed graphic into basic graphics according to the acquired feature points, and copy all the basic graphics; analyze the offset direction and partiality of each basic graphic after copying according to the offset direction and offset of the closed graphic Transmitting; moving the copied basic graphics according to the corresponding offset directions and offsets obtained by the analysis; trimming the offset basic graphics; and concatenating all the modified basic graphics into one closed Graphics.

Compared with the prior art, the closed graphic automatic offset system and method provided by the present invention can split a complex closed graphic into a plurality of basic graphics, and the offset directions and the set biases of the basic graphics according to the analysis. Move and move, and trim and concatenate the moving basic graphics to complete complex closed graphics offsets quickly and accurately Operation improves the designer's work efficiency.

1‧‧‧Computer host

10‧‧‧Selection module

12‧‧‧Setup module

14‧‧‧Getting module

16‧‧‧ Split Module

18‧‧‧Analysis module

20‧‧‧Mobile Module

22‧‧‧Finishing module

24‧‧‧Serial module

S10‧‧‧Select the closed graphic that needs to be offset in the mold image

S12‧‧‧Set the offset direction and offset of the closed figure

S14‧‧‧Get all the feature points of the closed figure

S16‧‧‧ Split the closed graphic into basic graphics based on all acquired feature points and copy the split basic graphics

S18‧‧‧Analysis of the offset direction and offset of each of the copied basic patterns according to the set offset direction and offset

S20‧‧‧ Move the copied basic graphics according to the analyzed offset direction and offset

S22‧‧‧Making the basic pattern after offset

S24‧‧‧Connect the finished basic graphics into a closed graphic

1 is a hardware architecture diagram of a preferred embodiment of the closed graphics automatic offset system of the present invention.

FIG. 2 is a functional module diagram of the computer host shown in FIG. 1.

3 is a flow chart of a preferred embodiment of the closed pattern automatic offset method of the present invention.

Figure 4 is a schematic illustration of the offset direction of the closed pattern being offset outward.

Figure 5 is a schematic illustration of the offset direction of the closed pattern being offset inward.

As shown in FIG. 1, it is a system architecture diagram of a preferred embodiment of the closed graphics automatic offset system of the present invention. The system mainly includes a computer host 1, a database 2, a display 3, a keyboard 4, and a mouse 5. The computer host 1 is configured to split the selected closed graphic into basic graphics according to feature points, and move the split basic graphics according to the set offset direction and offset. The database 2 is connected to the computer host 1 for storing related materials during the graphics shift operation. The host 1 is connected with a display 3, a keyboard 4 and a mouse 5 for inputting and outputting related data during the graphic shifting process.

As shown in FIG. 2, it is a functional module diagram of the computer host 1 in FIG. The computer host 1 includes a selection module 10, a setting module 12, an acquisition module 14, a split module 16, an analysis module 18, a mobile module 20, a trim module 22, and a serial module 24.

The selection module 10 is configured to select a closed graphic that needs to be offset in the mold design file.

The setting module 12 is configured to set an offset direction and an offset of the closed figure. Said The offset direction of the closed graphic includes an offset to or from the outside of the closed graphic. When the set offset point is inside the closed figure, the offset direction of the closed figure is offset inward; when the set offset point is outside the closed figure, the offset direction of the closed figure is outwardly biased shift. As shown in Fig. 4, the pattern a is shifted outward to generate a pattern a'; as shown in Fig. 5, the pattern b is shifted inward to generate a pattern b'.

The obtaining module 14 is configured to acquire all feature points of the closed graphic. The feature point refers to the intersection of all the basic graphics on the closed graphic. The basic graphic includes line segments and arcs.

The splitting module 16 is configured to split the closed graphic into basic graphics according to the acquired feature points, and copy all the basic graphics. The basic graphics after splitting are individual individuals, and there is no connection between the basic graphics. Therefore, after the split module 16 splits the closed graphic into basic graphics and copies all the basic graphics, the serial module 24 concatenates the split original basic graphics into a closed graphic. The concatenation refers to connecting the split basic patterns into a closed figure, and the concatenated closed figure is a whole.

The analysis module 18 is configured to analyze the offset direction and the offset of each of the copied basic graphics according to the offset direction and the offset of the closed graphic that are set. When the offset direction of the closed graphic is offset to the outside of the closed graphic, the offset direction of the basic graphic after the closed graphic is the direction of moving the basic graphic to the outer region of the closed graphic; when the closed graphic is biased When the moving direction is offset to the inside of the closed figure, the offset direction of the basic figure after the closed figure is split is a direction in which each basic figure is moved to the inner area of the closed figure.

The mobile module 20 is configured to move the copied basic graphics according to the analyzed offset directions and offsets.

The trimming module 22 is configured to trim each of the offset basic graphics. When the offset direction of the closed figure is offset to the outside of the closed figure, the trimming module 22 extends the two ends of the basic figure after the closed figure is split to intersect with other basic patterns, as shown in FIG. The portion is an extended line segment of each basic graphic; when the offset direction of the closed graphic is offset to the inside of the closed graphic, the trimming module 22 acquires the intersection of the basic graphics after the closed graphic is split, and cuts at each intersection The extra line segments, as shown in Figure 5, are the extra line segments that need to be cut.

The serial module 24 is also used to connect all the modified basic graphics into a closed graphic.

As shown in FIG. 3, it is a flow chart of a preferred embodiment of the closed pattern automatic offset method of the present invention. First, in step S10, the selection module 10 selects a closed graphic that needs to be subjected to an offset operation in the mold design image file.

In step S12, the setting module 12 sets the offset direction and the offset of the closed figure. When the set offset point is within the graphics area, the offset direction of the graphic is offset inward; when the set offset point is outside the graphics area, the offset direction of the graphic is outwardly offset.

In step S14, the acquisition module 14 acquires all feature points of the closed graphic.

In step S16, the splitting module 16 splits the closed graphic into basic graphics according to the acquired feature points, and copies all the basic graphics. The tandem module 24 splits the closed image into the basic graphics and copies all the basic graphics after the splitting module 16 The graphic is concatenated into a closed graphic.

In step S18, the analysis module 18 analyzes the offset directions and offsets of the copied basic patterns according to the set offset direction and the offset amount of the closed figure. The step of analyzing is: when the offset direction of the closed graphic is offset to the outside of the closed graphic, the offset direction of the basic graphic after the closed graphic is split is to move each basic graphic to the outer region of the closed graphic. Direction; when the offset direction of the closed figure is offset to the inside of the closed figure, the offset direction of the basic figure after the closed figure is split is a direction in which each basic figure moves toward the inner area of the closed figure.

In step S20, the mobile module 20 moves the copied basic graphics according to the analyzed offset directions and offsets.

In step S22, the trimming module 22 trims each of the offset basic patterns. The step of trimming is: when the offset direction of the closed graphic is offset to the outside of the closed graphic, the trimming module 22 extends the two ends of the basic graphic after the closed graphic is split to intersect with other basic patterns; When the offset direction of the closed graphic is offset to the inside of the closed graphic, the trimming module 22 acquires the intersection of the basic graphics after the closed graphic is split, and cuts the extra lines at the intersections.

In step S24, the serial module 24 concatenates all the modified basic graphics into a closed graphic.

S10‧‧‧Select the closed graphic that needs to be offset in the mold image

S12‧‧‧Set the offset direction and offset of the closed figure

S14‧‧‧Get all the feature points of the closed figure

S16‧‧‧ Split the closed graphic into basic graphics based on all acquired feature points and copy the split basic graphics

S18‧‧‧Analysis of the offset direction and offset of each of the copied basic patterns according to the set offset direction and offset

S20‧‧‧ Move the copied basic graphics according to the analyzed offset direction and offset

S22‧‧‧Making the basic pattern after offset

S24‧‧‧Connect the finished basic graphics into a closed graphic

Claims (7)

A closed graphic automatic offset system, comprising a computer host, the computer host comprising: a selection module, configured to select a closed graphic in the mold design file to perform an offset operation; and a setting module, configured to set the closed graphic An offset direction and an offset, the offset direction of the closed graphic includes an internal offset to the closed graphic or an external offset to the closed graphic; and an acquisition module configured to acquire all feature points of the closed graphic; a splitting module, configured to split the closed graphic into a basic graphic according to the acquired feature points, and copy all the basic graphics; and an analysis module, configured to analyze an offset direction and an offset of the closed graphic according to the set The offset direction and offset of each of the copied basic graphics; the mobile module is configured to move the copied basic graphics according to the corresponding offset directions and offsets obtained; the trimming module is used for The basic graphics after the offset are trimmed, including: when the offset direction of the closed graphic is offset to the outside of the closed graphic, the two ends of each basic graphic are extended to The basic graphics intersect; when the offset direction of the closed graphic is offset to the inside of the closed graphic, the intersection of each basic graphic is obtained, and the extra lines are cut at each intersection; and the serial module is used for trimming All the basic graphics are concatenated into a closed graphic. The closed graphic automatic offset system according to claim 1, wherein the serial connection The module is further configured to split the closed graphic into basic graphics according to the acquired feature points, and copy all the basic graphics, and then connect the split original basic graphics into a closed graphic. The closed pattern automatic offset system according to claim 1, wherein the feature point refers to an intersection point of all basic patterns on the closed figure, and the basic figure includes a line segment and an arc. The closed pattern automatic offset system according to claim 1, wherein the offset direction of each of the basic patterns refers to splitting the closed figure when the offset direction of the closed figure is offset to the outside of the closed figure. The offset direction of the following basic graphics is the direction in which the respective basic graphics are moved to the outer region of the closed graphics; when the offset direction of the closed graphics is offset to the interior of the closed graphics, the basic graphics after the closed graphics are split The offset direction is a direction in which each basic pattern is moved toward the inner region of the closed figure. A closed graphic automatic offset method, the method comprising the steps of: selecting a closed graphic in an artwork design file to perform an offset operation; setting an offset direction and an offset of the closed graphic, the offset of the closed graphic The direction includes an internal offset to the closed graphic or an external offset to the closed graphic; acquiring all feature points of the closed graphic; splitting the closed graphic into a basic graphic according to the acquired feature points, and copying all the basic graphics; And analyzing an offset direction and an offset of each of the copied basic patterns according to the set offset direction and the offset amount of the closed figure; and respectively copying the respective basic patterns according to the analyzed corresponding offset directions and offsets The quantity is moved; the basic graphics after the offset are trimmed, including: when the offset of the closed graphic When offsetting to the outside of the closed figure, the two ends of the basic figure after splitting the closed figure are extended to intersect with other basic patterns; when the offset direction of the closed figure is offset to the inside of the closed figure, Obtaining intersections of the basic graphics after the closed graphics are split, cutting off excess lines at each intersection; and concatenating all the modified basic graphics into a closed graphic. The closed graphic automatic offset method according to claim 5, in the step of splitting the closed graphic into basic graphics according to the acquired feature points, and copying all the basic graphics, further comprising the step of: splitting The original basic graphics are concatenated into a closed graphic. The closed graphic automatic offset method according to claim 5, wherein the step of analyzing the offset direction of each of the basic patterns comprises: closing the offset direction of the closed graphic when the offset direction is external to the closed graphic The offset direction of the basic graphics after the graphics split is the direction in which the basic graphics are moved to the outer region of the closed graphics; when the offset direction of the closed graphics is offset to the interior of the closed graphics, the closed graphics are split. The offset direction of the basic graphic is the direction in which each basic graphic is moved toward the inner region of the closed graphic.