JPH0635653A - Scroll image display device - Google Patents

Abstract

PURPOSE:To execute a scroll operation free from a sense of incompatibility by selecting and designating whether the scroll direction to a desired image is set to a picture frame movement or an image movement. CONSTITUTION:In a scroll mode selecting part 13, one of two states of an image movement mode and a picture frame movement mode can be selected and designated. A transfer control part 10 sends received image data, and a command for displaying a specific arrow mark for showing one of the image movement mode or the picture frame movement mode determined by the scroll mode selecting part 13 to a CRT display device 11. By the specific arrow mark in the periphery of the image data projected on the CRT display device 11, it can be recognized immediately to be the image movement mode or the picture frame movement mode. In the case it is not a desired mode, it can be designated again by the scroll mode selecting part 13, that is, a scroll mode selection lighting type push-button switch 4, therefore, an operator's desirable one can be selected and designated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scroll image display device for scrolling and displaying image data such as a flow of a piping instrumentation diagram of various plant processes.

[0002]

2. Description of the Related Art The operating states of various plants are integrated and displayed using, for example, a color CRT display device. The general display contents of this CRT display device are P
& ID (Piping and Instrument)
There is a flow of a piping instrumentation diagram of a process called as "ation Diagram". When this flow is displayed, the flow is displayed graphically and changes in process data are sequentially updated and displayed.

On the other hand, in order to monitor the operating states of various plant processes, it is necessary to look at the front-back states of the processes, that is, the continuity. In order to realize this requirement, a method is used in which image data of the flow of the entire piping instrumentation diagram of the process is created, and this image data is scrolled and displayed on the CRT display device. FIG. 4 is a schematic diagram of image data applied to such a method. This image data is twice as large as the image data 1 displayed on the CRT display device in the vertical direction and twice in the horizontal direction. Has become. In addition, 2 is a keyboard provided in the CRT display device,
The keyboard 2 is provided with a joystick type scroll key 3. This scroll key 3
It has a function of moving the image data in a total of 8 directions including up, down, left, right and diagonal directions.

[0004]

An arrow 3a is displayed on the scroll key 3, and the object indicated by the arrow is
There are two different interpretations as described below depending on the plant operator.

(1) Considering that the CRT is stationary and the image data moves, the moving direction of the image is displayed as an arrow on the scroll key.

(2) The CRT is a front window of a vehicle such as a spaceship, and from the viewpoint that image data as a scene can be seen from there, the moving direction of the spaceship is indicated by an arrow on the scroll key. I think.

An actual scroll image display device is manufactured by either (1) or (2) above.
Usually, the idea of (1) is general. However, in recent years
As drivers of the video game generation become the mainstay, the idea of (2) has also increased. The scroll image display device manufactured in (1) has an operational discomfort for the operator in (2), and the scroll image display device manufactured in (2) has an operational discomfort for the operator in (1). I will end up.

Therefore, according to the present invention, either of the methods (1) and (2) can be easily selected and designated according to the operator's preference, and the current selection state can be clearly visually recognized, which is effective in preventing erroneous operation. An object is to realize a scroll image display device.

[0009]

SUMMARY OF THE INVENTION A scroll image display device of the present invention is a scroll image display device in which display image data larger than the size of image data displayed by the image display device is scrolled and displayed on the image display device. Image data scroll mode using keys Image frame movement mode that moves the image frame of the CRT to the image data in the direction you want to see and image movement mode that moves the image data in the direction you want to see into the image frame of the CRT And a means for displaying which scroll mode is selected for switching.

[0010]

In the scroll image display device of the present invention,
Move the image to be monitored (image movement mode)
Alternatively, the CRT, which is a means of monitoring, can be moved (image frame movement mode), or the operator can select and specify the preferred one.
You can perform scrolling operations without discomfort.

[0011]

The present invention will be described in detail below with reference to the embodiments shown in the drawings.

1A and 1B show a scroll image display device according to an embodiment of the present invention. 1A is a functional block diagram thereof, and FIG. 1B is a front view showing a keyboard included in the CRT display device of FIG. 1A.

As shown in FIG. 1A, the transfer controller 10
The CRT display device 11 is connected to the, and the image moving unit 12, the scroll mode selecting unit 13, and the scroll operating unit 14 are connected. In the image moving unit 12,
The image memory 15 is connected. This image memory 15
The display image data for displaying the flow of the piping instrumentation diagram of the plant process as shown in FIG. The display image data is twice as large in the vertical direction and twice as large as the size A of the image data displayed by the CRT display device 11.

The scroll mode selection unit 13 uses a CR
The keyboard 2 provided on the T display device 11 (see FIG. 1B).
(Shown in FIG. 2) is an illuminated push-button switch 4 for scroll mode selection, and the joystick type scroll key 3 provided on the keyboard 2 shown in FIG. This is for switching the correspondence between the direction of the arrow 3a in a total of eight directions and the key operation direction for each scroll mode. The actual switching control is performed by the transfer control unit 10 to which the scroll mode selection unit 13 and the scroll operation unit 14 are connected.

The transfer control unit 10 transfers the image data sent from the image moving unit 12 to the scroll mode selecting unit 13
Also, it has a function of sending to the CRT display device 11 in accordance with the contents determined by the scroll operation unit 14. In addition, the transfer control unit 10 also acts to send a command to the CRT display device 11 to display the specific arrow mark 5 or 6 shown in FIG. 3A or FIG. 3B around the display screen of the CRT display device 11. .

The image moving unit 12 receives the operation permission signal from the transfer control unit 10 and the signal designating the scroll operation direction, and scrolls the display image data stored in the image memory 15 in accordance with the designated scroll operation direction. The image data at the scroll position is sent to the transfer control unit 10.

Next, the operation of the scroll image display device of one embodiment of the present invention constructed as described above will be explained. When the operator operates the scroll mode selection unit 13 and the scroll operation unit 14, the transfer control unit 10 sends an operation permission signal and a signal designating a scroll operation direction to the image moving unit 12. Here, the scroll operation direction is determined as follows.

The scroll mode selection section 13 can select and specify either one of two states, an image moving mode and an image frame moving mode.

When the image moving mode is selected,
The scroll key 3 (see FIG.
The transfer control unit 10 sends a command to the image moving unit 12 so that the direction of the arrow 3a in a total of eight directions of (b)), that is, the up / down / left / right direction and the left / right diagonal direction, match the actual moving direction of the image.

When the image frame moving mode is selected,
The scroll key 3 (see FIG.
(B)) has a total of 8 vertically and horizontally and diagonally to the left and right
The transfer control unit 10 sends a command to the image moving unit 12 so that the direction of the directional arrow 3a and the actual moving direction of the image are opposite.

That is, the direction of the arrow 3a of the scroll key 3 (FIG. 1 (b)), which is the scroll operation unit 14, in the total of eight directions of up, down, left, right, and left and right, and the actual moving direction of the CRT image frame match. Will be scrolled to do.

The image moving unit 12 receives the operation permission signal from the transfer control unit 10 and the signal for designating the scroll operation direction, and scrolls the display image data stored in the image memory 15 in accordance with the designated scroll operation direction. Then, the image data at the scroll position is sent to the transfer control unit 10.

The transfer control unit 10 receives the image data and the specific arrow mark (5 in FIG. 3A or 5 in FIG. 3A) indicating either the image moving mode determined by the scroll mode selecting unit 13 or the image frame moving mode. Figure 3
A command for displaying 6) in (b) is sent to the CRT display device 11.

As a result, the CRT display device 11 displays an image 1 of a part of the process flow as shown in FIG. 3A or FIG. 3B, and image data is displayed around the image. The specific arrow mark 5 or 6 is displayed as an overlay.

As described above, in the above embodiment, the scroll mode selection illuminated push button switch 4 (FIG. 1B), which is the scroll mode selection unit 13, is displayed or the CRT is used.
The specific arrow mark 5 or 6 around the image data displayed on the display device 11 enables immediate recognition of the image moving mode or the image frame moving mode. If the desired mode is not selected, the scroll mode selecting unit 13 Illuminated push-button switch 4 for scroll mode selection (Fig. 1
It may be specified again in (b)).

Generally, when trying to perform a scroll operation, the operator's line of sight is directed in the direction he wants to go, that is, as if he or she is manipulating a spacecraft. easy. In other words, it is often the view frame movement mode from the viewpoint. Therefore, the specific arrow mark in this embodiment is, as shown in FIG.
In the image moving mode, a specific arrow mark 5 in the direction opposite to the desired direction is displayed around the image in the desired direction. In the image frame moving mode, as shown in FIG. The specific arrow mark 6 in the direction that matches the desired direction is displayed. As a result, when the operator scrolls the image, the operator can instantly determine in which direction of the arrow 3a of the joystick scroll key 3 shown in FIG. 1 (b) the desired image should be displayed. it can. When the scroll key is a single-function key group system, it is only necessary to operate the key marked with the arrow in the direction corresponding to the specific arrow mark 5 or 6.

Even the same operator may want to selectively use the image movement mode and the image frame movement mode depending on the characteristics of the process system to be monitored. For example, in the chemical process system, the image movement mode may be selected, and in the material handling system for physical distribution, the image frame movement mode may be selected so that the movement of physical distribution can be followed in the same direction. Even in such a case, according to the present embodiment, it is possible to cope with different usage by instantaneous switching.

[0028]

As described above in detail, according to the present invention, the scroll mode of the image data by the scroll key is changed to
Move the image frame of the CRT to the image data in the direction you want to see in the image frame movement mode and CR the image data in the direction you want to see
A scroll image display device having a means for switching to an image movement mode in which the image frame is moved to the image frame of T and a means for displaying which scroll mode is selected by switching are realized. By
It is possible to easily select and designate whether the scroll direction to the desired image is the image frame movement or the image movement, and the scroll operation can be performed without a feeling of strangeness. In addition, the current selection state is clearly visible, and a specific arrow mark indicating in which direction the scroll key should be operated to display the desired image is displayed around the screen corresponding to the selected scroll mode. Therefore, erroneous operation is prevented.

[Brief description of drawings]

1 (a) and 1 (b) show a scroll image display device according to an embodiment of the present invention, FIG. 1 (a) is a functional block diagram, and FIG. 1 (b) is FIG. 1 (a). 3 is a front view showing a keyboard provided in the CRT display device of FIG.

FIG. 2 is a schematic diagram of display image data.

3 (a) and 3 (b) are schematic diagrams of images displayed on the CRT display device of FIG. 1 (a), and FIG. 3 (a) shows a case of an image moving mode, and FIG. ) Is the case of the image frame moving mode.

FIG. 4 is a schematic diagram of display image data and an explanatory diagram showing a keyboard in a conventional technique.

[Explanation of symbols]

 1 ... Image data to be displayed 2 ... Keyboard 3 ... Scroll key 4 ... Illuminated push button switch for scroll mode selection 10 ... Transfer control unit 11 ... CRT display device 12 ... Image moving unit 13 ... Scroll mode selecting unit 14 ... Scroll operating unit 15 ... Image memory

Claims (3)

[Claims] 1. A scroll image display device for scrolling display image data larger than the size of image data displayed by the image display device and displaying the image data on the image display device in a direction in which a scroll mode of the image data by a scroll key is desired to be viewed. A means for switching between the image frame moving mode for moving the image frame of the CRT to the image data and the image moving mode for moving the image data in the desired direction into the image frame of the CRT, and which scroll mode is selected. And a means for displaying whether the scroll image is displayed. 2. A scroll key is a single-function key group system, and operates a key marked with an arrow corresponding to a desired direction in the image frame moving mode, and an arrow not opposite to the desired direction in the image moving mode. The scroll image display device according to claim 1, wherein the scrolled key is operated. 3. The scroll key is a joystick type, and the key is operated in the arrow direction that coincides with the desired direction in the image frame moving mode, and is operated in the arrow direction opposite to the desired direction in the image moving mode. The scroll image display device according to claim 1.