JPH09282125A - Monitoring screen display method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a more effective monitoring environment at a low cost by eliminating a monitoring screen display means in common to operators such as a projector or the like provided in addition to a CRT or the like for displaying individual monitoring screens for the respective operators in the monitoring chamber of a plant monitoring and control system. SOLUTION: A screen F0 inside a virtual monitoring chamber is displayed at a CRT 1, a virtual individual monitoring screen F10 (F11-F14) as the monitoring screen for each operator is displayed at a virtual CRT 11 in it and also, a virtual common monitoring screen F20 (F22-F25) as the monitoring screen in common to the operators or the like is displayed on a virtual wall surface 20. The operator approaches a desired virtual monitoring screen by the form of walking around inside the virtual monitoring chamber by the operations a cursor 2A and push buttons 2B and 2C on a user interface 2 for moving inside the virtual monitoring chamber and switches the display of the virtual common monitoring screen F20 and the virtual individual monitoring screen F10 corresponding to himself/herself by the operation of three-dimensional display push cuttons 13A-13C on a virtual console 12 combined with the virtual CRT 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for displaying a monitor screen in a plant monitor control system or the like in which an operator inputs an operation signal while watching a monitor screen and monitors and controls a process amount using a computer. In the drawings, the same reference numerals indicate the same or corresponding parts.

[0002]

2. Description of the Related Art In a plant monitoring and control system, a monitor operation screen for monitoring and controlling a process amount is an individual monitor screen (usually a CRT) used individually by an operator.
, And a large screen for common monitoring commonly used by operators (usually displayed on a projector). Here, the large screen for common monitoring has a role of supplying the same information to many people at the same time, and the operator grasps and operates the process amount by these two types of screen information.

FIG. 7 is a flowchart showing a procedure of a conventional monitor screen display method on a CRT and a common monitor large screen.
S1 to S5 indicate the steps. The procedure of FIG. 7 is as follows. S1) The operator uses a pointing device such as a mouse to input the object on the CRT screen (in this case,
An input event (external event) 01 occurs by selecting an input operation object.

S2, S3) The screen management means 02 of this system determines whether or not there is a corresponding input object at the input coordinate pointed and selected by the pointing device, and if it exists, for example, "screen number # Issue a "screen update request" to the effect that the contents of the first screen file should be displayed on screen # 1 (that is, internal event 03 occurs). The screen here refers to all display units (window, CRT, projector, etc.).

S4) Screen development means 04 of this system
Is the screen file database.
06), and reads the screen file corresponding to screen number # 1. S5) The display means 05 of this system displays the contents of the read screen file on the screen # 1.

[0006]

As described above, in the conventional plant monitoring control system, the common monitoring screen must be prepared as a physical device in addition to the CRT for displaying the individual monitoring screen of the operator. Cannot be expressed, and the system becomes costly.
There was a problem that it was difficult to construct a good monitoring environment.

Therefore, an object of the present invention is to provide a monitoring screen display method that can solve this problem.

[0008]

In order to solve the above problems, in the monitoring screen display method of claim 1, an individual monitoring screen for each operator and one or a plurality of common monitoring screens for a plurality of operators are provided. In a system for monitoring at least a plant or the like by using a three-dimensional system for displaying the individual monitoring screen (as a virtual individual monitoring screen F10) on the screen (virtual monitoring room screen F0) of the operator-specific image display means (CRT1). Virtual display means (virtual CRT 11),
Similarly, a three-dimensional virtual display means (virtual wall surface 20) for displaying the common monitoring screen (as a virtual common monitoring screen F20).
, Etc.) and a three-dimensional virtual surveillance room with.

The monitoring screen display method according to claim 2 is the monitoring screen display method according to claim 1, wherein the display content of the virtual display means is switched to a screen for displaying the three-dimensional virtual monitoring room. For inputting commands such as
Three-dimensional virtual operation input means (such as three-dimensional display push buttons 13A to 13C on the virtual console 12) operable by a pointing device (via the arrow display 3 or the like).
To be displayed.

Further, in the monitoring screen display method according to claim 3, in the monitoring screen display method according to claim 1 or 2, the image display means moves a viewpoint with respect to the virtual display means in the virtual monitoring room. It is assumed that a viewpoint moving operation means (a cursor on the user interface 2 for moving in the virtual monitoring room, push buttons 2A to 2C, etc.) for operating and inputting a command is provided.

In the monitoring screen display method according to a fourth aspect, in the monitoring screen display method according to the third aspect, the viewpoint moving operation means can be operated by a pointing device. Further, in the monitoring screen display method according to claim 5, in the monitoring screen display method according to any one of claims 1 to 4, at least the virtual display means is common to the operator in the screen of the image display means corresponding to the operator. When the monitoring screen is updated, the corresponding common monitoring screen in the screen of the image display means corresponding to other operators,
At the same time, it should be updated in the same way.

Further, in the monitoring screen displaying method according to claim 6, in the monitoring screen displaying method according to any one of claims 1 to 5, the system is a plant monitoring control system. That is, the present invention constructs a three-dimensional virtual monitoring room on the screen of the image display means such as CRT of each operator,
Individual monitoring screens and common monitoring screens are displayed in this virtual monitoring room without physically preparing a large screen display device.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION

(Embodiment 1) FIG. 1 shows a CRT screen as an embodiment of the present invention. In the figure, 1 is a CRT and F0 is this CR.
It is a screen inside a three-dimensional virtual monitoring room as a monitoring screen displayed at T1. The virtual monitoring room screen F0 is displayed on each of the monitoring CRTs 1 owned by a plurality of operators in the actual monitoring room.

Here, 11 (11-1 to 11-4) are CRTs (virtual Cs) displayed in parallel on the screen F0.
RTs), 12 (12-1 to 12-4), operation consoles (referred to as virtual operation consoles) displayed in a state of being attached to the virtual CRTs 11-1 to 11-4, 13A to
13C is a push button (referred to as a three-dimensional display push button) displayed on the virtual console 12-1. Although not shown in the figure, push buttons similar to the three-dimensional display push buttons 13A to 13C are the virtual console 12
It is also provided in −2 to 12-4. Reference numeral 20 denotes a wall surface of a virtual monitoring room (referred to as a virtual wall surface) that is composed of multiple surfaces.

Next, F10 (F11 to F14) is an individual monitor screen for each operator (referred to as a virtual individual monitor screen), which is displayed in each of the four virtual CRTs 11-1 to 11-4, and F20 (F21 to F21 to F14). F25) is a screen for common monitoring (five in this example) (referred to as a virtual common monitoring screen) displayed with the wall surface (virtual wall surface) 20 of the virtual monitoring room as its screen. In the state of FIG. 1, the virtual common monitoring screen F21 is hidden on the left side and invisible, and only F22 to F25 are displayed.

Next, 3 is an arrow display displayed on the virtual surveillance room screen F0 via a pointing device such as a mouse. The three-dimensional display push buttons 13A to 13C are the arrow display 3 of the pointing device. The display content of the virtual individual monitoring screen F10 on the virtual CRT 11 corresponding to the virtual console 12 that is operated by an instruction, a click, or the like is switched or the display content of the virtual common monitoring screen F20 is switched according to the operated push button. It has the role of operating and inputting various commands, such as the command.

Further, normally, from a certain CRT 1,
Three-dimensional display push buttons 13A to 1 of the specific virtual console 12
In other words, from the CRT 1 possessed by each operator, only the operation of 3C can be performed, and the screen of the virtual CRT 11 corresponding to the virtual console 12 (virtual It is assumed that the virtual operator consoles 12 are interlocked so that only the individual monitoring screen F10 and the virtual common monitoring screen F20 can be switched.

Next, 2 is a user interface for moving the virtual surveillance room provided on the CRT 1 by displaying an image.
A moves the position of the viewpoint for viewing the virtual monitoring room as shown in FIG. 1 to the front, rear, left and right (in other words, the virtual monitoring room screen F0).
A crosshair cursor for moving the virtual surveillance room as a cursor for changing the screen so that the operator (surveillance operator) watching the image walks back and forth and left and right in the virtual surveillance room.
Is also a push button for moving up and down in the virtual monitoring room for moving the position of the viewpoint up and down, and 2C is also for rotating the direction of the viewpoint around the vertical axis (in other words, when the operator moves the head or body in the virtual monitoring room). Rotate to the right or left) to rotate the screen to push the virtual monitoring room push button.

Operation means 2 for moving these virtual monitoring rooms
In this example, A to 2C are operated by designating and clicking the arrow display 3 with the mouse. FIG. 4 is a flow chart showing the procedure of the monitoring screen display method according to the present invention.
1 to S15 show the steps, FIG. 5 is a flowchart showing the detailed processing of the virtual monitoring room management means 02A of FIG. 4, and S21 to S26 show the steps. FIG. 6 is a flow chart showing the detailed processing of the virtual monitoring room display means 05A of FIG. 4, and S51 to S54 show the steps.

4 to 6 will now be described with reference to FIG. For example, a three-dimensional input object arranged in the virtual monitoring room, for example, a three-dimensional display push button 13A on the virtual console 12-1 in FIG. 1 is instructed by an arrow display 3 via a pointing device (mouse) not shown. When the screen is updated on the virtual common monitoring screen F22 in response to the selection, the display is updated according to the following procedure in the present invention.

S11) An external event 01 occurs by operating the mouse. S12) Then, the virtual monitoring room management means 0 of this system
2A determines this external event 01 by the procedure of FIG.
Generate an internal event 03. That is, in FIG. 5, when the virtual monitoring room management means 02A determines the mouse click input (S21), the XY coordinates of the arrow display 3 on the virtual monitoring room screen F0 of the CRT 1 are acquired (S22) and displayed at these coordinates. Information on the target object (three-dimensional model) is acquired (S23). Whether or not this three-dimensional model is defined as an input object, in other words, this X
It is checked whether or not the input operation means (three-dimensional display push button 13A in this case) is displayed on the Y coordinate (S24).

S13) Then, in step S24 of FIG.
If it is ES, the virtual monitoring room managing means 02A generates an internal event 03 defined in advance for the three-dimensional display push button 13A. That is, in this example, "a screen update request to display the contents of the screen file of screen number # 2 on the virtual common monitoring screen F22" is issued (S25).

S14) As a result, the screen expanding means 04 of this system searches the screen file DB06 and reads the screen file corresponding to the screen number # 2. S15) Next, the virtual monitoring room display means 05A switches the screen display of the virtual common monitoring screen F22 according to the procedure of FIG. That is, in FIG. 6, the virtual monitoring room display means 05A has coordinates of diagonal points (rectangular coordinates; in this example, these coordinates are (X1, Y1, Z1) set in advance with respect to the rectangular area of the virtual common monitoring screen F22. ) And (X2, Y2, Z2)
(S51), and the screen expanding means 04 matches the coordinates of the screen file corresponding to the screen number # 2 read in step S14 with the size of the rectangular area. , The image data of screen number # 2 is converted (S52, S53).

The image data thus converted and generated is displayed (texture mapping) on the virtual common screen F22 (S54). (Embodiment 2) As described above, the CRT 1 is provided with the user interface 2 for moving the virtual monitoring room, and the cross cursor 2A for moving the virtual monitoring room, the push button 2B for moving the virtual monitoring room up and down, the virtual monitoring. The screen can be changed so that the operator can walk around the virtual monitoring room by selecting the virtual monitoring room moving operation means such as the indoor rotation push button 2C with the mouse.

Therefore, when the operator wants to monitor the virtual individual monitoring screen F10 corresponding to himself in detail,
It is sufficient to operate the virtual monitoring room moving operation means 2A to 2C so that the user himself / herself moves near the front surface of the corresponding virtual CRT 11, and similarly when the virtual common monitoring screen F20 is to be monitored in detail. The operation means 2A to 2C may be operated.

FIG. 2 shows an example of the virtual monitoring room screen F0 changed by the operation of the user interface 2 for moving the virtual monitoring room. This figure shows that the operator has moved forward in the virtual monitoring room and then turned to the left. Then, a case is shown in which the operating means 2A to 2C of the user interface 2 portion are operated so that the virtual common monitoring screens F22 and F23 are viewed forward.

At the left end of FIG. 2, a virtual common monitoring screen F21 hidden in FIG. 1 appears. (Embodiment 3) FIG. 3 shows an example of a display screen of a plurality (two in this example) of CRTs 1 (CRT1-1, CRT1-2) for each operator. For example, due to an event that occurred in a certain virtual monitoring room, the virtual common monitoring screen F20 is displayed on the CRT 1-1.
When the image of (F22 in this example) is updated, the image of the virtual common monitoring screen F22 of the other CRT 1-2 is similarly updated without any delay. As a result, the information on the virtual common monitoring screen F20 is shared among the operators.

[0028]

According to the present invention, the monitoring room can be installed on the CRT.
Since the individual monitor screen and the common monitor screen are pasted (texture mapping) onto the virtual screen provided in this virtual monitor room at high speed (texture mapping), all the conventional monitor operation environments can be stored in one CRT. Can be expressed.

Since the virtual screen is represented as a three-dimensional model, the outline screen is displayed next to the central detailed screen, as in the case of FIGS. 1 and 2.
Since these two screens can be viewed at the same time, it is possible to provide a more effective monitoring environment than the multi-screen display using the multi-window.

[Brief description of drawings]

FIG. 1 is a diagram showing a screen display of a three-dimensional virtual monitoring room as an embodiment of the present invention.

FIG. 2 is a diagram showing a change in display when moving in the virtual monitoring room in FIG.

FIG. 3 is an explanatory diagram of cooperation of a virtual monitor room display between a plurality of monitor display devices (CRT) for each operator used in the same monitor control system.

FIG. 4 is a flowchart showing a procedure of a monitoring screen display method according to the present invention.

5 is a flowchart showing the detailed processing of the virtual monitoring room management means in FIG.

FIG. 6 is a flowchart showing detailed processing of the virtual monitoring room display means of FIG.

FIG. 7 is a flowchart showing a procedure of a conventional monitoring screen display method.

[Explanation of symbols]

01 External event 02A Virtual monitoring room management means 03 Internal event 04 Screen expansion means 05A Virtual monitoring room display means 06 Screen file database (screen file D
B) 1 (1-1, 1-2) CRT 2 User interface for moving virtual monitoring room 2A Cross-shaped cursor for moving virtual monitoring room 2B Push button for moving virtual monitoring room up and down 2C Push button for rotating virtual monitoring room 3 Arrow display 11 (11-1 to 11-4) Virtual CRT 12 (12-1 to 12-4) Virtual operation console 13A to 13C Three-dimensional display push button 20 Virtual wall surface F0 Virtual monitoring room screen F10 (F11 to F14) Virtual individual monitoring screen F20 (F21 to F25) Virtual common monitoring screen

Claims (6)

[Claims] 1. A system for monitoring at least a plant or the like using an individual monitoring screen for each operator and one or a plurality of common monitoring screens for a plurality of operators. A three-dimensional virtual monitoring room provided with a three-dimensional virtual display means for displaying the individual monitoring screen and a three-dimensional virtual display means for displaying the common monitoring screen is displayed. Characteristic monitoring screen display method. 2. The monitoring screen display method according to claim 1, wherein a command for switching display contents of the virtual display means is input to the screen for displaying the three-dimensional virtual monitoring room. A monitoring screen display method, wherein a three-dimensional virtual operation input means operable by a pointing device is displayed. 3. The monitoring screen display method according to claim 1, wherein the image display means moves a viewpoint for operating and inputting a command to move the viewpoint to the virtual display means in the virtual monitoring room. A monitoring screen display method comprising: an operating device for monitoring. 4. The monitoring screen display method according to claim 3, wherein the viewpoint moving operation means can be operated by a pointing device. 5. The monitoring screen display method according to claim 1, wherein an operator updates at least the common monitoring screen of the virtual display unit in the screen of the image display unit corresponding to the operator. The monitoring screen display method is characterized in that the corresponding common monitoring screen in the screen of the image display means corresponding to another operator is also updated at the same time. 6. A monitoring screen display method according to claim 1, wherein the system is a plant monitoring control system.