JP2993282B2 - Spatial graphic display device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a computer system, and more particularly, to a spatial graphic display device.

[0002]

2. Description of the Related Art In a conventional space graphic display apparatus, the position of a viewpoint, the direction of a line of sight, and the like, which are spatial coordinates, are numerically input from a keyboard, or the viewpoint cursor is moved by a cursor key or a mouse.

[0003]

In the conventional spatial graphic display device described above, in order for a user to view a spatial graphic from an arbitrary direction, the user inputs numerical values of the viewpoint coordinates or uses a cursor key or a mouse to move the viewpoint cursor. By moving, the position of the viewpoint and the direction of the line of sight were determined. However, in such an interface, the position of the viewpoint assumed by the user,
It takes time to specify the direction of the line of sight, and there is a gap in thinking.

[0004] It is an object of the present invention to provide a space graphic display device capable of directly designating the position of the viewpoint for viewing the space graphic and the direction of the line of sight.

[0005] To achieve the above object, according to claim 1
An input device for inputting data of a space graphic, and a section graphic data input unit for creating, changing, and deleting data of the space graphic from the data of the input device and determining a movable range and a movable direction of a viewpoint, etc. A spatial graphic data storage unit for storing spatial graphic data, a spatial graphic data processing unit for performing data processing for displaying the spatial graphic data, a display device for displaying data of the spatial graphic data processing unit, In order to give a spatial degree of freedom to the display device, a display device support portion including a plurality of arms connected by a plurality of joints, and the display device can be moved from an arbitrary reference point by using the function of the arm of the display device support portion. A display device position detector for detecting the distance to the reference point of the display device and the inclination of the reference plane of the display device; A data setting portion, the spatial graphic data input
The range of movement of the viewpoint from the force unit, data on the direction of movement and the viewpoint position
Of the display device according to the data from the data setting unit.
Display device movement limiter that limits the movement range and movement direction
And the following.

According to a second aspect of the present invention, there is provided an input device for inputting data of a space graphic, and creation, change, deletion and transfer of a viewpoint of the data of the space graphic from the data of the input device.
A section graphic data input unit for determining a moving distance and a moving direction, a spatial graphic data storage unit for storing spatial graphic data, a spatial graphic data processing unit for performing data processing for displaying the spatial graphic data, A display device for displaying data of the spatial graphic data processing unit, a display device support unit including a plurality of arms connected by a plurality of joints to give the display device a spatial degree of freedom, and the display device support unit A display device position detection unit that detects the distance from an arbitrary reference point to the reference point of the display device and the inclination of the reference plane of the display device using the function of the arm, and a viewpoint from the information provided by the display device position detection unit. and viewpoint position data setting unit for setting the position and direction of the line of sight of the of transfer of the viewpoint from the spatial graphic data input unit
Movement of the display device according to data of moving distance and moving direction
And a display device moving unit that performs the following.

[0007]

[0008]

[0009]

According to the structure of the present invention, it is possible to provide a space graphic display device capable of directly designating the position of the viewpoint for viewing the space graphic and the direction of the line of sight.

[0010]

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

FIG. 1 is a block diagram showing a first embodiment of the present invention .

In FIG. 1, when space graphic data is input via the input device 1, a space graphic data input unit 2 creates, changes, deletes, etc., the data of the space graphic from the data of the input device 1.

The space figure data storage unit 3 stores the created space figure data.

The viewpoint position data setting unit 5 calculates the position of the user's viewpoint and the direction of the line of sight from the data output by the display device position detection unit 4, and outputs the data to the space graphic data processing unit 6.

The spatial graphic data processing unit 6 processes the spatial graphic according to the data from the spatial graphic data input unit 2 and the data from the viewpoint position data setting unit 5 and displays the spatial graphic data.
To output the display data of the space figure.

FIG. 2 is a diagram showing a display device position detecting method of the display device position detecting section 4 according to the first embodiment of the present invention.

In FIG. 2, the display device support section 11 includes a plurality of joints and a plurality of arms 12.

The display device 7 is supported by the display device support 11 and can be moved to any position within the movable range of the display device support 11.

The display device position detection unit 4 attached to the joint of the display device support unit 11 detects a change in the angle of the arm 12 constituting the display device support unit 11 as the display device 7 moves, and The position data of three points on the reference plane 7 is calculated and output to the viewpoint position data setting unit 5.

However, the origin serving as a reference for the position can be set at an arbitrary point in space. The reference plane of the display device 7 is a surface including the display region of the display device 7, and the positional relationship of three points that are not on a straight line on the reference surface including the center of gravity of the display region is known.

Next, a second embodiment of the present invention will be described with reference to the drawings.

FIG. 3 is a block diagram showing a second embodiment of the present invention.

In FIG. 3, when space graphic data is input via the input device 21, the space graphic data input unit 22
From the data of the input device 21, creation of spatial figure data,
Change, delete, etc.

The space figure data storage unit 23 stores the created space figure data.

The viewpoint position data setting unit 25 calculates the position of the viewpoint of the user and the direction of the line of sight from the data output by the display device position detection unit 24 and outputs the data to the space graphic data processing unit 26.

The spatial graphic data processing unit 26 includes a data from the spatial graphic data input unit 22 and a viewpoint position data setting unit 2.
The processing of the space figure is performed according to the data from step 5 and the display data of the space figure is output to the display device 27.

FIG. 4 is a diagram showing a display device position detecting method of the display position detecting section 24 of this embodiment.

In FIG. 4, three ultrasonic transmitters 31 are attached to the display device 27, and three ultrasonic receivers 32 are attached at known positions from the origin. The display device 27 is freely movable within the receivable range of the ultrasonic receiver 32.

When the ultrasonic receiver 32 receives the pulse signal from the ultrasonic receiver 31, the distance between the ultrasonic transmitter and the receiver can be measured from the time from transmission of the pulse signal to reception of the pulse signal. The pulse signals of one ultrasonic transmitter 31 are received by the three ultrasonic receivers 32 so that the ultrasonic receiver 32
Can be determined in space. From the positions of the three ultrasonic transmitters 31, position data of three points on the reference plane of the display device 27 is calculated and output to the viewpoint position data setting unit 25.

However, the origin serving as a reference for the position can be set at an arbitrary point in space. The reference plane of the display device 27 is a plane including the display area of the display device 27, and the positional relationship with the surface including the three ultrasonic transmitters 31 is known.

Next, a third embodiment of the present invention will be described with reference to the drawings.

FIG. 5 is a block diagram showing a third embodiment of the present invention.

In FIG. 5, when the data of the space figure and the condition of the viewpoint are input through the input device 41, the space figure data input section 42 creates, changes, and deletes the data of the space figure from the data of the input device 41. And the movable range and the movable direction of the viewpoint are determined.

The space graphic data storage unit 43 stores the created space graphic data and the conditions of the viewpoint.

The viewpoint position data setting unit 45 calculates the position of the user's viewpoint and the direction of the line of sight from the data output from the display device position detection unit 44, and sets the spatial graphic data processing unit 46, the display device movement restriction unit 48, Output data to

The spatial graphic data processing unit 46 is configured to store the data from the spatial graphic data input unit 42 and the viewpoint position data setting unit 4
The processing of the spatial graphic is performed in accordance with the data from No. 5 and the display data of the spatial graphic is output to the display device 47.

The display device movement restricting section 46 controls the moving range and moving direction of the display device in accordance with the movable range of the viewpoint and the movable direction from the space graphic data input section 42 and the data from the viewpoint position data setting section 45. Do the restrictions.

FIG. 6 is a diagram showing a display device movement limiting method of the display device movement limiting unit 48 according to the third embodiment of the present invention.

Referring to FIG. 6, the display device support 51 includes a plurality of joints and a plurality of arms 52.

The display device 47 is supported by the display device support portion 51, and can be moved to an arbitrary position within a movable range of the display device support portion 51 without being restricted by the movement of the display device movement restricting portion 48.

The display device position detection unit 44 attached to the joint of the display device support unit 51 detects a change in the angle of the arm 52 constituting the display device support unit 51 with the movement of the display device 47, and The position data of three points on the reference plane 47 is calculated, and the viewpoint position data is output to the setting unit 45.

However, the origin serving as a reference for the position can be set to an arbitrary point in space. The reference plane of the display device 47 is a plane including the display region of the display device 47, and the positional relationship of points that are not on a straight line on the reference surface including the center of gravity of the display region is known.

The display device movement restricting portion 48 attached to the joint of the display device supporting portion 51 receives the viewpoint data from the viewpoint position data setting portion 45 as the display device 47 moves. When the movable range and the movable direction of the viewpoint are not satisfied, the arm 52 is locked for a certain period of time and the movement of the display device 47 is disabled.

Next, a fourth embodiment of the present invention will be described with reference to the drawings.

FIG. 7 is a block diagram showing a fourth embodiment of the present invention.

In FIG. 7, when space graphic data and viewpoint conditions are input via the input device 61, the space graphic data input unit 62 creates, changes, deletes, and deletes space graphic data from the input device 61 data. The moving distance and moving direction of the viewpoint are determined. The space graphic data storage unit 63 stores the created space graphic data and viewpoint conditions.

The viewpoint position data setting unit 65 calculates the position of the user's viewpoint and the direction of the line of sight from the data output from the display device position detection unit 64, and outputs a spatial graphic data processing unit 66.
And the display device moving unit 68.

The space graphic data processing unit 66 is provided with the data from the space graphic data input unit 62 and the viewpoint position data setting unit 6
The processing of the space figure is performed according to the data from step 5 and the display data of the space figure is output to the display device 67.

The display device moving section 68 moves the display device according to the data of the moving distance and the moving direction of the viewpoint from the space graphic data input section 62.

FIG. 8 is a diagram showing a method of moving the display device of the display device moving section 68 according to the fourth embodiment of the present invention.

In FIG. 8, the display device support 71 is composed of a plurality of joints and a plurality of arms 72.

The display device 67 is supported by the display device support portion 71, and can be moved to an arbitrary position by a user directly applying a force within the movable range of the display device support portion 71.

The display device 67 is a display device moving section 68.
Can be moved within the movable range of the display device supporting portion 71 by the motor.

The display device position detection unit 64 attached to the joint of the display device support unit 71 detects a change in the angle of the arm 72 constituting the display device support unit 71 with the movement of the display device 67, and The position data of three points on the reference plane 67 is calculated and output to the viewpoint position data setting unit 65.

However, the origin serving as a reference for the position can be set at an arbitrary point in space. The reference plane of the display device 67 is a plane including the display area of the display device 67, and the positional relationship of three points that are not on a straight line on the reference plane including the center of gravity of the display area is known.

The display device moving unit 68 attached to the joint of the display device support unit 71 includes a spatial graphic data input unit 62.
The display device 67 is moved based on the data of the moving distance and moving direction of the viewpoint from the camera and the viewpoint data from the viewpoint position data setting unit 65.

However, it is assumed that the user does not move the display device 67 by applying force while the display device 67 is being moved by the display device moving section 68.

[0058]

As described above, according to the spatial graphic display device of the present invention, the position of the viewpoint for viewing the spatial graphic and the direction of the line of sight are directly associated with the distance and direction from the reference point of the display device. Can be instructed. Thereby, the spatial figure displayed on the display device can be observed from various angles in the same manner as observing the object, and the spatial figure can be understood more effectively.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a first embodiment of the present invention.

FIG. 2 is a diagram illustrating a display device position detection method of a display device detection unit according to the first embodiment of the present invention.

FIG. 3 is a block diagram showing a second embodiment of the present invention.

FIG. 4 is a diagram illustrating a display device position detection method of a display device position detection unit according to a second embodiment of the present invention.

FIG. 5 is a block diagram showing a third embodiment of the present invention.

FIG. 6 is a diagram illustrating a display device movement restriction method of a display device movement restriction unit according to a third embodiment of the present invention.

FIG. 7 is a block diagram showing a fourth embodiment of the present invention.

FIG. 8 is a diagram illustrating a display device moving method of a display device moving unit according to a fourth embodiment of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 input device 2 spatial graphic data input unit 3 spatial graphic data storage unit 4 display device position detecting unit 5 viewpoint position data setting unit 6 spatial graphic data processing unit 7 display device 11 display device support unit 12 arm 21 input device 22 spatial graphic data Input unit 23 Spatial graphic data storage unit 24 Display device position detecting unit 25 View point position data setting unit 26 Spatial graphic data processing unit 27 Display device 31 Ultrasonic transmitter 32 Ultrasonic receiver 41 Input device 42 Spatial graphic data input unit 43 Space Graphic data storage unit 44 Display device position detecting unit 45 View point position data setting unit 46 Spatial graphic data processing unit 47 Display device 48 Display device movement restriction unit 51 Display device support unit 52 Arm 61 Input device 62 Spatial graphic data input unit 63 Spatial graphic Data storage unit 64 Display device position detection unit 65 View point position data Tough 66 spatial graphic data processing unit 67 display unit 68 display the moving unit 71 display supporting portion 72 arm

Claims (2)

(57) [Claims] An input device for inputting data of a space graphic, and creating, changing, and creating data of a space graphic from the data of the input device.
A section graphic data input section for deleting and determining the movable range and movable direction of the viewpoint, a spatial graphic data storage section for storing spatial graphic data, and a spatial graphic data processing for performing data processing for displaying the spatial graphic data A display device for displaying data of the spatial graphic data processing unit; a display device support unit including a plurality of arms connected by a plurality of joints in order to provide the display device with a spatial degree of freedom; A display device position detector for detecting a distance from an arbitrary reference point to a reference point of the display device and an inclination of a reference surface of the display device by using an arm of the display device supporter; A viewpoint position data setting unit that sets the position of the viewpoint and the direction of the line of sight from the information to be given; a movable range and a movable range of the viewpoint from the spatial graphic data input unit
Direction data and data from the viewpoint position data setting unit
The movement range and the movement direction of the display device are restricted accordingly.
And a display device movement restricting unit . 2. An input device for inputting data of a space graphic, and section graphic data input for creating, changing, and deleting data of the space graphic from the data of the input device and determining a moving distance and a moving direction of a viewpoint. A spatial graphic data storage unit for storing spatial graphic data, a spatial graphic data processing unit for performing data processing for displaying the spatial graphic data, a display device for displaying data of the spatial graphic data processing unit, In order to give a spatial degree of freedom to the display device, a display device support portion including a plurality of arms connected by a plurality of joints, and display from an arbitrary reference point using the function of the arm of the display device support portion A display device position detector for detecting a distance to a reference point of the device and an inclination of a reference surface of the display device, and a viewpoint for setting a viewpoint position and a line-of-sight direction from information provided by the display device position detector. A position data setting unit, and a moving distance and a movement of a viewpoint from the spatial graphic data input unit.
A display device for moving the display device according to direction data;
And a moving unit .