JPH04314178A - Method and device for displaying detailed chart - Google Patents

Abstract

PURPOSE:To display a detailed chart in a state where the whole drawing is displayed by magnifying a part instructed by a magnification instruction cursor, and reducing other parts. CONSTITUTION:This device is equipped with an instruction cursor fetch part 15 which fetches an instruction cursor position from an I/O processing part 3, a magnification ratio fetch part 16 which fetches a magnification ratio (n) from the I/O processing part 3, an inclination calculation part 17 which calculates inclination (b), (c). and (d) based on data fetched by the fetch parts 15, 16, a function definition part 18 which defines a display coordinate transform function F(r) by using the inclination, and a display coordinate transformation part 19 which transforms the data in a display graphic data base 7 by the function F(r). A graphic in the neighborhood of the magnification instruction cursor is magnified, and other parts including a center point are reduced. In such a case, the part to be magnified is moved with the magnification instruction cursor by moving the magnification instruction cursor, and also, an operation is instructed by a point instruction cursor.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] This invention displays a wide range of drawings, etc. on one screen, and also displays detailed drawings of a part of the wide range on the same screen at the same time, and allows operation instructions to be given to the displayed drawings. This relates to display devices.

0002

2. Description of the Related Art FIG. 5 shows an example of a simple configuration diagram of a conventional display device. In the figure, 1 is a display display that can display wide-range drawings, 2 is a display data transmission cable that transmits display data to the above display, and 3 is an I that creates data to be sent to the above display. /O processing unit, 4 is a mouse for displaying and moving the instruction cursor, 5 is a keyboard for inputting numerical values, etc., 6 is a display coordinate conversion unit for converting display graphic data into display data, 7 is a display Reference numeral 8 denotes a display figure database in which figure data for the display is stored, reference numeral 8 denotes a pointing cursor position importing section, and reference numeral 9 denotes an internal processing section that receives operation instructions from the pointing cursor.

Next, the operation will be explained. The data in the display figure database 7 is converted into coordinate values for display in the display coordinate conversion section 6. The conversion in this case is a conversion of equal proportions. The data converted above is transmitted in the I/O processing unit 3 to the display 1 through the display data transmission cable 2. In addition, in the I/O processing section, an instruction cursor position reading section 8 recognizes the content operated by the mouse 4, and internal processing is performed at 9. When displaying a detailed view of a certain part in the conventional apparatus, the enlargement range and enlargement rate are input using the keyboard 5, and the display data is enlarged and displayed in the I/O processing section 3. Further, operation instructions are given by interpreting the instruction cursor position by an internal processing section. FIG. 6 shows an example of a display in a conventional device. c shows a normal display screen, and d shows a screen when a detailed view is displayed using a conventional method. 10 in the figure
is a mark indicating the center of the drawing, and 11 represents a group that would otherwise be displayed densely in normal display. 12 is an instruction cursor. A is a new display screen opened to display a detailed view. As shown in the figure, a situation has arisen in which 10 is no longer displayed when a detailed view is displayed with d. In other words, in the method of the conventional apparatus described above, when a detailed drawing is displayed, some parts of the wide-range drawing display are not displayed. Furthermore, this makes it impossible to issue operational instructions for the portions that are no longer displayed.

0004

[Problems to be Solved by the Invention] As mentioned above, when using the conventional method to display a detailed diagram of a part of the contents of a wide-area drawing, it is difficult to display the entire wide-area drawing and it is difficult to understand the whole. There was a problem with that. Additionally, there is a problem in that it is no longer possible to give operational instructions to the portions that are no longer displayed.

[0005] In the present invention, the display of a wide range of drawings and the display of detailed drawings as described above are configured on the same screen, eliminating hidden portions due to the influence of displaying detailed drawings, and making it possible to give operational instructions at the same speed as before. The purpose is to

[0006]

[Means for Solving the Problems] In the method according to the present invention, the pointing cursor is divided into two types, and the portion indicated by the enlargement pointing cursor is enlarged, and the other portions are conversely reduced to display the entire drawing. The present invention is characterized in that it is possible to display a detailed diagram even in the state where the image is displayed, and that high-speed operation instructions can be given by determining operation instructions using a point instruction cursor.

[0007]

[Operation] The method of displaying a drawing in this invention is to display the entire drawing, and when the enlargement instruction cursor is in the display state, weight the display screen by a display coordinate conversion function that depends on the enlargement instruction cursor position. This makes it possible to display detailed figures while displaying the entire figure, making it easier to grasp the whole figure.Furthermore, by separating the instruction cursor into an enlargement instruction cursor and a point instruction cursor, operation instructions can be given at high speed. Ru.

[0008]

【Example】

Example 1. FIG. 1 shows a configuration diagram of an apparatus according to the present invention. In the figure, 1, 2, 3, 4, 5, 7, and 9 are the same as those of the conventional device. 15 is an instruction cursor capture unit that takes in the instruction cursor position from the I/O processing unit of 3; 16 is an I/O processing unit of 3;
An enlargement magnification acquisition section that receives the enlargement magnification n from the O processing section;
Reference numeral 17 is a slope calculation unit that calculates slopes b, c, and d based on the data imported by each of the above-mentioned acquisition units, and 18 is a display coordinate using the b, c, and d calculated by the slope calculation unit 17. A function definition section 19 defines a conversion function F(r), and a display coordinate conversion section 19 converts data in the display figure database 7 into screen display data using the above-defined F(r). 20 is a selection button for selecting the type of instruction cursor, and 21 is an instruction cursor recognition unit that determines the type of the selected instruction cursor.

FIG. 2 shows an explanatory diagram of functions used in the principle of the present invention. However, for the sake of simplicity, a one-dimensional explanation will be shown. In the figure, the horizontal axis r indicates the actual distance of the figure to be displayed, the vertical axis x indicates the position of the display screen, and the origin indicates the center point of the display. The function L(r) is a function obtained by converting the display according to the conventional method, and is expressed as a formula (1). x=L(r)=a・r
(1)

[
In the above equation (1), a is the slope, and when the slope a is constant, the conventional display is performed and the diagram is displayed at equal intervals. Furthermore, as the slope increases, more detailed display becomes possible on the display screen. The present invention becomes possible by defining the display coordinate conversion function F(r) of equation (2) using the above expression.

[0011]

[Math 1]

In the above equation (2), rk represents the distance position of the pointing cursor, and Rk represents the enlarged distance from the pointing cursor. The inclinations, that is, the display ratios b, c, and d are determined by equations (3), (4), and (5), respectively, where n is the magnification factor. b=n・a

(3) c=(X-A)/(R-rk-RK)
(4)

001
3]

[Math 2]

The display coordinate conversion function F(r
) in place of the conventional function L(r), the method of the present invention is obtained. FIG. 3 shows a flowchart of the method according to the present invention. In the figure, the display state of the enlargement instruction cursor is determined in step 1, and if the enlargement instruction cursor is not in the display state, the display state of the point instruction cursor is determined in step 2. If it is displayed in step 1 above, step 3
In step 4, the designated cursor position is read, and in step 4, the enlargement magnification is read. Based on the data obtained in steps 3 and 4 above, in step 5 the slopes b, c, and d are calculated using the above formula (
3), equation (4), and equation (5), and in step 6, the display coordinate function F(r) is determined using equation (2) above. In step 7, display data is generated and displayed using the function F(r). In step 2, the display state of the point designating cursor is determined, and if the point designation cursor is not in the display state, display is performed in step 8 using the display coordinate conversion function L(r), that is, normal display. If the point instruction cursor is displayed, the instruction cursor position is read in step 9, and internal processing is performed in step 10.

FIG. 4 shows an explanatory diagram of a display screen according to the present invention. In the figure, 10 indicates the center of the drawing. 11 represents a group that would be displayed densely in normal display. 13 is an enlargement instruction cursor, and 14 is a point instruction cursor. In the figure, a shows the normal display screen, and b shows the display screen when the instruction cursor is brought close to the group 9 according to the present invention. As shown in the figure, the figure near the enlargement instruction cursor is enlarged, and the other parts including the center point are reduced. In this case, the portion to be enlarged by moving the enlargement instruction cursor moves together with the enlargement instruction cursor. In addition, operation instructions are given using a point instruction cursor.

[0016]

Effects of the Invention As described above, in the present invention, since the display coordinate conversion function F(r) is used to convert screen display data, a wide range of drawings and a detailed drawing of a part thereof can be configured on the same screen. This has the effect of making it easier to understand. Furthermore, since the instruction cursor is separated into two types, there is an effect that operation instructions can be given quickly and reliably.

[Brief explanation of drawings]

FIG. 1 is a configuration diagram of an apparatus according to the present invention.

FIG. 2 is an explanatory diagram of functions used in the present invention.

FIG. 3 is a flowchart of the method according to the invention.

[Fig. 4] Fig. 4 shows a display screen according to the present invention (
(a) is a diagram showing a normal display, and (b) is a diagram showing a display according to the present invention.

FIG. 5 is a configuration diagram of a conventional device.

FIG. 6 shows a display screen of a conventional device; (c) is a diagram showing a normal display, and (d) is a diagram showing a detailed view displayed by the conventional device.

[Explanation of symbols]

1 Display for display 2 Display data transmission cable 3 I/O processing section 4 Mouse 5 Keyboard 6 Display coordinate conversion section 7 Display figure database 8 Instruction cursor position import section 9 Internal processing section 10 Mark indicating the center of the drawing 11 In normal display Group 1 that is displayed closely
2 Instruction cursor 13 Enlargement instruction cursor 14 Point instruction cursor 15 Instruction cursor position acquisition section 16 Enlargement magnification acquisition section 17 Tilt calculation section 18 Display coordinate conversion function definition section 19 Display coordinate conversion section 20 Cursor type selection button 21 Cursor type recognition section

Claims (2)

[Claims] Claim 1: The instruction cursor for specifying a position on the display screen is divided into two types: an enlargement instruction cursor and a point instruction cursor, and the position of each cursor is recognized and the enlargement ratio for detailed display is recognized, and the above-mentioned position is Calculate the ratio data representing the screen display ratio from the enlargement ratio, define the screen display conversion function as a function that depends on the enlargement instruction cursor position from the above ratio data, and use the above screen display conversion function to convert the data during screen display. By using this function, you can compose and display a detailed diagram of a part of a wide-range display drawing on the same screen without having to open a new screen, etc., and point the point instruction related to the operation instruction. A method for displaying a detailed diagram, characterized in that the detailed diagram of the above feature can be displayed and points can be indicated by using a pointing cursor. 2. A display for displaying a wide range drawing, an I/O processing unit for displaying data on the display, a cursor selection button for determining the type of instruction cursor to be displayed on the display, and the instruction cursor. an instruction cursor recognition unit that recognizes the type of the instruction cursor; a mouse for moving each instruction cursor displayed on the display; a keyboard for inputting numerical data; and an instruction cursor import unit that captures the position of each instruction cursor. , an enlargement magnification acquisition section that takes in the numerical data, and a calculation section that calculates data for defining a conversion function for screen display based on the data obtained from the instruction cursor position acquisition section and the enlargement magnification acquisition section; It consists of a definition part that defines the above conversion function, a display figure database that secures display figure data, a display coordinate conversion part that converts the above database into display data, and an internal processing part that performs processing according to instructions from the point instruction cursor. A detailed view of a part of a drawing can be displayed without opening a new screen, the detailed view and a wide range of drawings can be configured on the same screen, and the detailed view of the above characteristics can be displayed and points can be specified. Detail view display device.