JP3206047B2 - Graphic data processing system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system for displaying a three-dimensional window in a scene displayed on a graphic display, and more particularly to a system for improving the efficiency of operating data displayed on a display and further improving visibility. How to improve.

[0002]

2. Description of the Related Art In computer graphics, geographic information processing, and the like, a method of displaying and using a window displayed on a display will be described. There are two display methods: (1) a method of separating the main data display area from the window display area, and (2) a method of overlapping the windows in the main data display area. As for the window display method (1), as shown in FIG. 2, an area different from the area 201 of the display screen for displaying main data is divided in advance as a window area 202, and the main data display area 20 is displayed.
1 and the data processing in the window display area 202 are linked, or the data processing in one of the areas is preferentially performed. JP2
In 165390, a map is displayed in such a window to determine the viewpoint and line of sight of a three-dimensional object,
Recognition of the viewpoint and gaze direction is performed depending on how the map is viewed.

The window display method (2) is characterized in that a window area is displayed in a main data display screen. In JP-A-1-180343, a window is used to display an enlarged view. Then, as shown in FIG. 3, the size of the window is adaptively changed so that the area to be enlarged and the window display area do not overlap. In FIG. 3, reference numeral 301 denotes a main data display area, 302 denotes an enlarged view display area, and 303 denotes a window display area (enlarged view display).

[0004] The use methods of windows are (1) displaying data in a window (2) considering a window as another world, starting a program linked to the window, and starting and executing a different program for each window. .

There are two methods. The window use method (1) uses a window as a method of making data easy to see for a user. JP-A-1-18034
Publication No. 3 shows an example.

The method of using a window (2) uses a window as a user interface for developing and executing a plurality of programs on one computer in a computer system capable of multitask processing.

[0007]

However, in the above prior art, the window display method (1) has a problem that the main data display area is reduced because the display screen is divided and used. In the window display method (2), the display screen is not divided so that there is a merit of the visibility of the display. However, the shape of the window is two-dimensional in the display, and the three-dimensional data is also projected on the two-dimensional window. Was shown to the user. Therefore, when accessing the three-dimensional data displayed in the window using the pointing icon and rotating or changing the size of the three-dimensional data having a complicated shape, complicated data with this data is required. In addition, there is a problem that a complicated interference check is required, and it is difficult to recognize the line of sight and the viewpoint.

The window usage method (1) has a two-dimensional window shape as described above, and the window usage method (2) does not relate to data display. As described above, the conventional technology cannot efficiently operate three-dimensional shape data.

The present invention provides a user-friendly visual interface and a data manipulation method for solving these problems.

[0010]

First, in order to display a part of graphic data displayed on a display screen or another graphic data, a three-dimensional rectangular parallelepiped window is displayed as shown in FIG. By adding a scroll bar, an enlargement / reduction selector (key), a rod for rotating the window, a rail for moving the window, and a means for linking the movement of each icon to the movement of the three-dimensional window, By accessing these operation icons in the window without directly accessing the three-dimensional data in the window, the size and position of the window are changed, and the enlargement / reduction, scrolling, rotation, and movement of the three-dimensional data are performed accordingly. . The window management means and the table for managing the windows consider the world displayed in the three-dimensional window as a different world from the world displayed outside the window, and include a pointing icon in the three-dimensional window. At this time, the control of the data operation is switched by switching the control of the computer to the world in the window having the higher display priority. At this time, a program related to the three-dimensional window to which control has been transferred can be started.

[0011]

[Function] By accessing a scroll bar, an enlargement / reduction selector, and a rod attached to a three-dimensional window, without having a function of directly accessing complicated three-dimensional shape data displayed in the three-dimensional window.
3D data can be scrolled, enlarged / reduced, and rotated. Further, the position of the viewpoint and the direction of the line of sight can be easily estimated based on the display position and shape of the window displayed on the display.

Next, a plurality of worlds represented by data can be displayed by a three-dimensional window. Further, a world in which the user is interested can be selected from the inclusion relationship of the pointing icon with the three-dimensional window. By displaying a plurality of three-dimensional data in different three-dimensional windows on the display in this way, it is possible to easily operate a program related to a data group that the user wants to pay attention to.

[0013]

FIG. 4 and FIG. 5 show a system configuration for displaying a three-dimensional window (hereinafter, referred to as a 3D window). In FIG. 4, the graphic processor 401
Performs processing such as generation of a 3D window, perspective transformation of graphic data, and elimination of hidden surfaces. Then, graphic data and 3
A D window is displayed. Graphic storage 4
Numeral 03 stores graphic data.

FIG. 5 shows the system shown in FIG. 4 connected by a communication network 507. Such a system shows a configuration in which generation of a 3D window and processing of graphic data can be performed from another graphic processor connected to a network.
For example, 3 generated by the graphic processor 2 504
D window and graphic data on display 2
Instead of displaying it in 505, the communication network 507
Alternatively, the data can be transferred to the display 1502 via the graphic processor 1 501 and displayed. The graphic data storages 503 and 506 are for storing graphic data. At this time, data created by the graphic processor 1 501 and the graphic processor 2502 can be stored in the graphic storage 1503 and the graphic storage 2 506, respectively. It is also possible to remove the graphic storage 1 503 and store all data in the graphic storage 2 506.

The graphic processor 4 shown in FIGS. 4 and 5
FIG. 6 shows a functional configuration for displaying a 3D window in 01, 501, and 504. The content (key code) and position coordinate information of a key input by an input device such as a keyboard or a mouse are determined by a key determination unit 60.
Sent to 1. In this case, is the user trying to select a specific 3D window from a plurality of 3D windows already displayed, or is the input being made for a window operation such as generating a 3D window or changing the size of the 3D window? Is determined.

First, it is assumed that information is input from a keyboard or a mouse for a 3D window operation. At this time 3D
3D by window control selection unit (selector) 602
The type of operation on the window is determined. The contents of the 3D window operation include 3D window display (3D window movement execution unit 611), scroll of graphic data in the 3D window (3D window scroll execution unit 605), rotation, enlargement, and reduction of 3D window (3D window rotation). There are an execution unit 606 and a 3D window enlargement / reduction execution unit 607), and operations are performed in each execution unit.

FIG. 7 shows a coordinate system related to display (reference scene coordinate system Z ₁ 701, screen coordinate system Z ₃ 703).
And a coordinate system (window coordinate system Z ₂ 702) defined inside the 3D window. A method of displaying a 3D window will be described with reference to FIGS. First, the information for creating a 3D window is 3D
Sent to window creation unit 603. In the 3D window creation unit 603, the type of operation is determined by the window control selection unit 602, and the 3D window movement execution unit 611,
Creation information from the 3D window rotation execution unit 606, the 3D window enlargement / reduction execution unit 607, and the like is used.
The creation information, coordinate system Z with respect to the coordinate system Z ₁ vertex A, coordinates and 3D window B of the 3D window for the reference scene coordinate system Z ₁ being displayed on the display
₂ 702 rotation Euler angles (if the rotation angle of the coordinates and a window two points defined coordinates of the remaining six are easily determined by calculation), origin O ₁ of the reference scene coordinate system Z ₁
A distance difference between the origin O ₂ of the window coordinate system Z ₂ 702 (calculated as the value of the on Z ₁₎ and the origin O ₂ of the screen coordinate system Z origin O ₃ of ₃ 703 and the coordinate system Z ₂ 702
(Calculated as a value on Z ₁ ). From this information, the 3D
The coordinates of the window 704 are calculated and displayed on the display. The 3D window graphic data creation unit 604 calculates the range of the graphic data 705 displayed in the 3D window based on the coordinates of the vertices A and B of the 3D window corresponding to the window coordinate system Z ₂ 702. The coordinate values obtained by the above are stored in the screen coordinate system 706.
And convert them to coordinate values for display display,
Display on the display. Note that the 3D window graphic data creation unit 604 determines the type of operation in the window control selection unit 602, and the 3D window scroll execution unit 605 and the 3D window rotation execution unit 60
The information operated by the 6, 3D window enlargement / reduction implementing unit 607 or the like is used.

Reference numeral 608 denotes an icon position determination unit which determines the positions of various operation icons, and sends the information to the 3D window information management unit 609. Reference numeral 610 denotes an individual application program management unit, and graphic data in the 3D window is created by the 3D window graphic data creation unit 604 according to the individual application program. 611 is a display.

FIG. 8 shows this display algorithm.

First, the coordinates of the vertex of the 3D window as viewed from the reference scene coordinate system Z ₁ 701 are calculated (step 801). Coordinate values (X _i2 , Y _i2 , Z _i2 ) of each vertex corresponding to the window coordinate system Z ₂ 702 (i = 1, 2,..., 8)
To coordinate values (X ₁ , X ₁₎ corresponding to the reference scene Z ₁ 701
Y ₁ , Z ₁ )

[0021]

(Equation 1)

Is given by Where △ X ₂ , △ Y ₂ , △ Z
₂ is the distance difference between O ₁ and O ₂ , λ _x , λ _y , λ _z is Z ₂ 702
Scaling factor for the Z _1, θ, φ, ψ denotes the Euler angles. Then the coordinates calculated by the number 1, is projected on a screen coordinate system Z ₃ 703 (Step 80
2). The X coordinate axis x ₃ of Z ₃ 703 and the X coordinate axis x ₁ of Z ₁ 701, the Y coordinate axis y ₃ of Z ₃ 703 and the Z coordinate axis z ₁ of Z ₁ 701 are parallel, and the origin O _{3 of} Z ₃ 703 and Z ₁ 70
1 of the difference between the origin O ₁ as viewed from the _{Z 1 701 △ X 1, △} Y 1
Then, the coordinate values (X ₁ , Y ₁ , Z ₁ ) of the window vertex are

[0023]

(Equation 2)

The coordinate values (X ₃ , Y ₃ ) on Z ₃ 703 are
(Step 803). In (Equation 2),
(X _f , Y _f , Z _f ) is the distance between the screen and the virtual eye position (calculated value on Z ₁ 701). (△ X ₁ , △
Y ₁ ) is the origin O ₁ of Z ₁ 701 and the origin O of Z ₂ 702
Represents the distance difference between _two . The calculated coordinate values (X ₃ ,
Y ₃ ) is transferred to the display and displayed. At this time, the perspective is calculated by erasing the hidden surface / hidden line (step 804). Any method can be used for erasing the hidden surface and the hidden line using the coordinate data. Next, the graphic data to be displayed in the 3D window is displayed on the display.
First, a range to be displayed in the 3D window is calculated (step 805). This can be easily obtained by comparing the coordinate values of the 3D window vertices A and B with respect to the window coordinate system Z ₂ 702. Next, the coordinates of the 3D data corresponding to Z ₁ 701 are calculated from (Equation 1) (step 806). The coordinate value calculated by (Equation 1) is converted into a coordinate value for Z ₃ 703 by (Equation 2) (Step 807). The coordinate values (X ₃ , Y ₃ ) calculated in this way are transferred to the display and displayed. Further, the perspective is calculated by erasing the hidden surface / hidden line (step 808).

Next, a method of operating the displayed 3D window will be described. Fig. 9 shows the display image of the 3D window.
Shown in Various operation icons (hereinafter referred to as OP)
Icon) and the 3D window 9
To operate 01, scroll bars 903, 904, 9
05, enlargement / reduction selectors 906, 907, 908, rotating rods 909, 910, 911, rails 912, 9
Use 13,914 icons. Reference numeral 902 denotes a pointing icon, and reference numerals 915 and 916 denote side surfaces. Whether these OP icons are selected by the pointing icon (hereinafter referred to as the PT icon) 902 is determined by the operation O obtained from the coordinates of the PT icon 902 in the reference scene coordinate system Z ₁ 701 and the coordinate values of the eight window vertices.
It can be obtained by calculation from the inclusion relation of the P icons.

When the scroll bar is selected with the PT icon 902, the 3D window scroll execution unit 6 shown in FIG.
05 is activated. Scroll bar 903 to rail 91
Moving along 2, the range of the window coordinate system Z ₂ 702 that can be displayed in the 3D window is updated by the translation. In this case, the display range

[0027]

X ₂ <X <X ₂ ′ Y ₂ + δY ₂ <Y <Y ₂ ′ + δY ₂ (Expression 3) Z ₂ <Z <Z ₂ ′ Here, X ₂ , Y ₂ , Z ₂ are the minimum values of the display range, X ₂ ′, Y ₂ ′, Z ₂ ′ are the maximum values of the display range, δ
Y ₂ represents a movement amount of scrolling. The scroll bar 903 is the Y coordinate axis y ₂ of Z ₂ 702 and the scroll bar 9
04 is a Z coordinate axis z ₂ of Z ₂ 702, and a scroll bar 90
Reference numeral 5 denotes a parallel movement of the Z ₂ 702 along the X coordinate axis x ₂ . When scrolling is performed, the graphic data creation unit 604 in the 3D window of FIG. 6 is activated, and the graphic data in the newly set range is recalculated and displayed on the display.

Enlarging / reducing selectors 906, 907, 90
8 is selected by the PT icon 902, the 3D of FIG.
The window enlargement / reduction execution unit 607 is activated. When the enlargement / reduction selector 906 is selected, the X of Z ₂ 702
Along coordinate axes x _2, and the side surface 615 is translated while maintaining the relationship that intersects perpendicularly with x _2. When the enlargement / reduction selector 907 is selected, the side surface 616 moves in parallel along the Y coordinate axis y ₂ of Z ₂ 702 and maintaining a relationship intersecting vertically with y ₂ . When the enlargement / reduction selector 908 is selected, along the Z axis direction z ₂ of Z ₂ 702 and Z
The side surface 917 translates while maintaining the relationship of perpendicularly intersecting the axis. As a result, the size of the 3D window is changed, and the data display range of the 3D window is enlarged or reduced. At this time, the 3D window graphic data creation unit 604 is activated again, and the 3D data in the display range of the 3D window is recalculated and displayed on the display.

When the rods 909, 910, and 911 are selected, the 3D window rotation execution unit 606 in FIG. 6 is started. When the rod 909 is selected, the 3D window rotates around the plane center of the side surface 617, and when the rod 910 is selected, the 3D window rotates around the plane center of the side surface 916. When the rotating rod 911 is selected, 3D
The window rotates about the center of the side surface 915. If the coordinate system before rotation is Z ₂ and the coordinate system after rotation is Z ₂ ′, Z ₂
If the coordinates 702 (X ₂ , Y ₂ , Z ₂ ) are changed to the coordinates Z ₂ ′ (X ₂ ′, Y ₂ ′, Z ₂ ′), then

[0030]

(Equation 4)

Is represented by Here, θ, φ, and あ る are Euler angles due to rotation. At this time, the 3D window graphic data creation unit 604 is activated again, and the 3D window graphic data creation unit 604 is activated.
The coordinates due to the rotation of the data are calculated according to Equation 4 and displayed on the display.

When the rails 912, 913, and 914 are selected, the 3D window movement execution unit 611 in FIG. 6 is activated, and the 3D window is moved according to the movement of the PT icon. At this time, the coordinates of the origin of Z ₃ with respect to Z ₁ 701 are changed, but the data in the window is not changed.

Here, by selecting the scroll bar and rod on the side of the window, the window can be moved and the object displayed therein can be moved. The display range can be enlarged or reduced by selecting the enlargement / reduction selector. Furthermore, the 3D window can be freely moved by picking the 3D window with the rail. The OP icon shown in FIG. 9 need not always be displayed. The access time to the 3D window is managed in the graphic processor, and the OP icon is deleted when the access time exceeds a certain time.
Then, if the PT icon is redisplayed when the 3D window is accessed, the trouble of display is eliminated.

A plurality of 3D windows can be displayed on the display, and graphic data can be displayed therein. At this time, the user uses the PT icon to
When trying to access the D window, which 3D
It is necessary to manage whether the window is being accessed. Hereinafter, a method for managing the 3D window will be described. The window management is performed by the 3D window information management unit 609 in FIG. 6 using the information of the icon position determination unit 608. For this purpose, a management table (3D window management table) as shown in FIG. 10 is used. The window number 1001 is a number assigned in the order in which the 3D windows were generated (1008 indicates an erasure flag).
Since there is likely to be superimposed with other 3D window when generating the 3D window, the reference scene coordinate system Z ₁
An interference check between 3D windows is performed by comparing the display coordinates of the window with respect to 701. If there is an overlap, the display priority is maximized for the most recently generated 3D window. At this time, priority information 100
6, "1" is stored in the window superimposition information 100, and the window number of the superimposed 3D window of low priority is stored in the window superimposition information 100.
6 is stored. When the priority information of another 3D window with superimposition is N, it is updated as N ← N + 1. By looking at this 3D window management table, the pointing PT
It can be determined whether the window is being accessed.

In the window management table, the coordinate value 1002 of the graphic data display range corresponding to the window coordinate system Z ₂ 702, the coordinate value of the window display corresponding to the reference scene coordinate system Z ₁ 701, and the Z value for Z ₁ 701
Rotation angle of ₂ 702 (Euler angles) 1003 are stored. By referring to the coordinate value 1002, the display range of the graphic data displayed in the 3D window can be known. Coordinate value and rotation angle 1003
, The inclusion relationship between the PT icon and the 3D window and the superposition of the 3D windows can be calculated.

When the 3D window is erased from the display, the erase flag 1008 is turned on to indicate that the 3D window has been erased. When the delete flag 1008 is turned off, the 3D window is displayed again.

By having the event number 1005 in the window management table, a unique program can be assigned to each 3D window provided in the individual application program management unit 610 in FIG. FIG.
In the following description, the 3D window 102 displays LAN laying information, while the 3D window 103 displays gas pipeline laying information.

Assume that the PT icon has entered the 3D window 102. At this time, the 3D window accessed by the PT icon is searched with reference to the window management table. This corresponds to searching for a 3D window that includes the position coordinates of the PT icon and has priority information “1”. An event number 1005 is obtained from the information of the searched 3D window, a program corresponding to the event number 1005 is searched from the individual application program management unit 610, and the program is activated. In FIG. 1, a 3D window 10
2,103 and a program to calculate the operating status of the LAN,
It is assumed that programs for calculating a temporal change in the pressure of the gas pipeline are linked via event numbers 1005, respectively. When the PT icon 104 accesses the 3D window 102, a program for calculating the operating status of the LAN is started. Conversely, 3D window 1
When the PT icon accesses 03, a program for calculating a temporal change in the pressure of the gas pipeline is started. In any case, when the PT icon comes out of the 3D window, the execution of the program is stopped.

Next, an application example of the 3D window system will be described. FIG. 1 shows a landscape 101 of a building as a reference scene. There are also 3D windows 102,
103 is displayed, LAN in the building,
The installation status of the gas pipeline is displayed. Access to and access to the 3D window is controlled by the PT icon 10
4 is operated. The operation method of the PT icon does not matter here. Whether the PT icon 104 has moved into the 3D window is determined as follows. P in the reference scene coordinate system Z ₁ 701
_Assuming that the coordinate value of the T icon 104 is (X _i1 , Y _i1 , Z _i1 ), new coordinates (X _i1 ′, Y _i1 ′, Z _i1 ′) of the movement destination
Is

[0040]

X _i1 '= X _i1 + v _x · Δt Y _i1 ' = Y _i1 + v _y · Δt ( _Equation 5) It is calculated by Z _i1 '= Z _i1 + v _z · Δt. Here, v _x , v _y , and v _z are moving velocity vectors along the Z ₁ 701 of the PT icon 104, Δ
t is a sampling time interval. Now, the coordinates of the PT icon 104 with respect to the reference scene coordinate system Z ₁ 701 (X ₁ ,
(Y ₁ , Z ₁ ) is converted into a window coordinate system Z ₂ 702 and coordinates obtained by the conversion are (X ₂ , Y ₂ , Z ₂ ). By searching the display coordinate 1002 of window corresponding to Z ₂ at this time 3D window management table

[0041]

[Formula 6] X ₁ ¹ <X ₂ <X ₂ ^{2 _{Y 1 1 <Y 2 <Y}} 2 2 ... ( 6) to select the 3D window that satisfies ^{_{Z 1 1 <Z 2 <Z}} 2 2. Here, (X _{¹ 1,} Y
_{¹ 1,} Z _{1 1)} the coordinates of the minimum value of the window display range, (X
^{_{1 2, Y 1 2, Z}} 1 2) represents the coordinate of the maximum value of the window display area. Then, a program corresponding to the event number of the 3D window is started. As a result, the program linked with the reference scene 101 is activated until the PT icon 104 moves into the 3D window, and after the PT icon 104 moves into the 3D windows 102 and 103, the program related to the 3D window is activated. Is done. If this concept is applied, other unrelated graphic data is displayed in the 3D window, and each is considered to be a different world. It is also possible for a user of the system to select a world of his or her interest and execute a program related to that world. This is considered effective in a virtual reality system or the like.

Next, an application example regarding display of an organ image obtained by computer tomography (CT) will be described. As shown in FIG. 11, first, the CT scanner device 11
An image of a human 1109 entering the camera 10 is operated and input by a camera 1108, and the heart,
The positions of the stomach, lungs, etc. are recognized by the graphic processor 1107 and displayed in a schema 1106. There is no particular problem with this recognition method. Then, the organ schemas 1103, 1104, and 1105 are converted to PT icons 111.
2, the result is restored as three-dimensional graphic data by scanning the organ part recognized by the CT scanner 1110, and the display 110
1 is displayed in the 3D window 1102. The organ displayed in the 3D window is composed of a complex curved surface, and it is not easy to select, rotate, or move the organ by performing an interference check. However, clipping of the 3D window is relatively easy, as described above, which makes image manipulation easier. In FIG. 11, a CT scanning image 1 of the heart is displayed in the 3D window 1102.
Although 111 is shown, the same operation can be performed for other organs. The following example is an application to the simulation of airflow around a structure. When the structure has a large size, the detailed information cannot be fully displayed on the display. In addition, there is a problem that even when a partial view is displayed on the entire display screen, it is difficult to grasp the entire image. In FIG. 12, a rough shape of an airplane 1202 is displayed on the display 1201 as a reference scene,
The simulation result 1203 is scaled out, and a detailed portion of the aircraft body and a simulation result 1206 relating to the portion are displayed in the 3D window 1204. This is an image that another new numerical wind tunnel is realized in the numerical wind tunnel realized by the computer system. At this time, a method of generating a window will be described. First, a 3D window is displayed on the screen at a predetermined ratio to the size of the display screen. And enlargement / reduction selectors 906, 907, 9
Select 08 to adjust the size of the 3D window. Further, the user selects the rotating rods 909, 910, and 911 to rotate the 3D window so that detailed information can be easily viewed. The window is determined in this manner, the keyboard or mouse key is pressed, the detailed shape 1205 of the airplane model is displayed in the 3D window, and the simulation result 1205 is displayed.
6 is displayed.

Although the three-dimensional window has been described as a rectangular parallelepiped as shown in FIG. 9, the present invention is not limited to this, and it may be configured in another three-dimensional shape.

[0044]

According to the present invention, it is not necessary to directly point a graphic data having a complicated shape while performing an interference check, and if the graphic data is displayed in a 3D window, the graphic data is moved by moving and rotating the window. , Rotation can be performed. At this time, it is easy to select a scroll bar, an enlargement / reduction selector, and a rod using the pointing PT icon, and a high-speed algorithm can be applied. Also, by controlling each 3D window as a separate world,
It is also possible to display the world of interest of the system user on the display, select one of the worlds, and activate a program related to the world.

[Brief description of the drawings]

FIG. 1 is an application example of a three-dimensional window system to a building management system.

FIG. 2 is an example of a window display method according to a conventional method.

FIG. 3 is an example of a window display method according to a conventional method.

FIG. 4 is an example of a graphic data processing system configuration.

FIG. 5 is an example of a graphic data processing system configuration.

FIG. 6 is a configuration diagram of a three-dimensional window function.

FIG. 7 is a diagram showing a relationship between a three-dimensional window and three coordinate systems required for displaying graphic data.

FIG. 8 is a diagram showing a flow of displaying a three-dimensional window.

FIG. 9 is a diagram illustrating a display image of a three-dimensional window and a window operation icon.

FIG. 10 is a diagram showing the contents of a three-dimensional window management table.

FIG. 11 is a diagram illustrating an application of a three-dimensional window system to a medical CT system.

FIG. 12 is a diagram illustrating an application of a three-dimensional window system to a numerical simulation.

[Explanation of symbols]

601: key determination unit, 602: window control selection unit,
603: 3D window information management unit, 604: 3D window graphic data creation unit, 605: 3D window scroll execution unit, 606: 3D window rotation execution unit, 607: 3D window enlargement / reduction execution unit, 6
08: Icon position determination unit, 609: 3D window information management unit, 610: Individual application program management unit, 611
…display.

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-63-186628 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) G06T 15/00-17/50 G06F 3 / 00 G09G 5/14

Claims (7)

(57) [Claims] 1. A graphic data processing system having a display for displaying graphic data, means for displaying a three-dimensional window on the display, and displaying three-dimensional graphic data in the three-dimensional window. to means comprises a city, 3 displayed in the window and the three-dimensional shape
Displays graphic data other than dimensional graphic data
The reference scene coordinate system to appear and the window of the above three-dimensional shape
C and three-dimensional graphic data displayed in it
3 different from the reference scene coordinate system used to represent
The dimensional coordinate system and the data display on the display
Using the two-dimensional screen coordinate system used for
Display control means for controlling the display on the spray, wherein the display control means is configured to control the display on the three-dimensional coordinate system.
3D window and 3D image displayed in it
The coordinate values of graphic data are displayed on the two-dimensional screen.
A graphic data processing system comprising means for converting a coordinate value into a coordinate value in a coordinate system. 2. The graphic data processing system according to claim 1, wherein said three-dimensional window is formed as a rectangular parallelepiped. 3. A display for displaying graphic data.
Displaying a three-dimensional window on the display in the graphic data processing system provided with
Means and a three-dimensional graphic in the three-dimensional shape window.
Means for displaying the data of the three-dimensional shape in the window of the three-dimensional shape.
Graphic data of three-dimensional shape displayed in window
And the scroll bar to scroll through the data, the third-order
Enlarge / reduce to enlarge or reduce the original shape window
A small selector and a rod for rotating the three-dimensional window.
Graphic data processing system characterized by having
M 4. A display for displaying graphic data.
Displaying a three-dimensional window on the display in the graphic data processing system provided with
Means and a three-dimensional graphic in the three-dimensional shape window.
Means for displaying the data of the three-dimensional shape in the window of the three-dimensional shape.
Have a rail icon to move the window
And a graphic data processing system. 5. The graphic data processing according to claim 3,
In the system, when the above scroll bar is moved,
Three-dimensional shape displayed in the three-dimensional shape window
Scrolling scrolling graphic data
Means and the three-dimensional form when the enlargement / reduction selector is selected.
In the above three-dimensional window with the window
To enlarge / reduce the graphic data displayed in
When selecting the large / reduced means and the rod, the three-dimensional window
Graph displayed in a three-dimensional window with c
Rotating means for rotating the physical data.
A graphic data processing system characterized by the following. 6. The graphic data processing according to claim 4,
In the system, when the rail icon is selected, the three-dimensional shape
Without changing the data display in the window,
Having moving means for moving the original shape window
A graphic data processing system characterized by the following. 7. A display for displaying graphic data.
Displaying a three-dimensional window on the display in the graphic data processing system provided with
Means and a three-dimensional graphic in the three-dimensional shape window.
Means for displaying the data of the three-dimensional shape.
Detect interference between multiple 3D windows
Means and a window for each three-dimensional shape when interference is detected
The plurality of three-dimensional shapes described above according to the assigned priority.
Graphics characterized by displaying a window
Data processing system.