JP3162095B2 - Image display control device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for displaying various image blocks such as figures, graphs, numbers and characters at arbitrary coordinates on a screen such as a CRT or a plasma display.

[0002]

2. Description of the Related Art Such an image display apparatus is usually connected online to a host computer to monitor the operating state of a plant composed of, for example, tanks, pipes, valves, etc., and the progress of processes in a machine factory. (For example, see Japanese Patent Publication No. 52-6130).

However, the conventional image display device merely has a function of changing the display of a predetermined image block on the screen in accordance with a control command from the host computer, and the control command is created by the user by the host computer. Had to be done. In this case, the user has to be proficient in creating a program using a large number of control commands. Then, the applicant sent 2 sent from the host computer.
An image display control device has been proposed in which the display of an image block is automatically changed in accordance with value data (state information MD) (Japanese Patent Application Laid-Open No. 2-150719).

As shown in FIG. 12, the image display control device (10) draws an image on an image display section (34), a plurality of base screens to be switched and displayed on the image display section (34), and each base screen. Graphic data storage means (33) in which graphic data GD of a plurality of power image blocks are stored together with a file code FN, and state information storage means (not shown) in which the state information MD is to be stored as an array of binary data When,
Event data storage means (32) in which a logical index word W described later is stored for each image block, decodes the logical index word W, and executes a display change procedure for predetermined graphic data based on the state information MD. System control means (3)
And an input section (31) for registering the logical index word W in the event data storage means (32).

The logical index word W includes an event code TN for identifying an image block to be changed in display, and address data AD indicating a storage position of the state information corresponding to the image block in the state information storage means. A file code FN for retrieving graphic data corresponding to the image block from the graphic data storage means, display change data ZD preset according to binary values of state information MD for the image block, And the coordinate data HD representing the display position of the block on the screen.

In the above apparatus, the status information MD sent from the external circuit is sequentially written to a predetermined address of the status information storage means, and the value of the status information MD changes every moment. The system control means (3) includes an event data storage means (32)
Are sequentially read out and decoded, and the following procedure is executed.

[0007] Based on the address data AD included in the logical index word W, the state information MD corresponding to the address data is read from the state information storage means, and based on the file code FN included in the logical index word. The corresponding graphic data GD is called from the graphic data storage means (33). At this time, the system control means (3)
Defines the drawing position of the graphic data GD based on the coordinate data HD included in the logical index word W. Further, the meaning of the display change data ZD included in the logical index word W is interpreted according to the value (“0” or “1”) of the state information MD, and the display change processing is performed on the graphic data GD based on the interpretation. Is applied.

As a result, the graphic control signal generated by the system control means (3) is supplied to the image display section (34), whereby the whole or a part of the predetermined image block on the screen is changed in display. It is.

As shown in FIG. 16, the image display control device (10)
By pasting a transparent touch panel (67) over the display screen (18) and pressing the touch panel (67), information is input to the image display control device (10), and various operations are realized. It is possible. In this case, for example, data corresponding to the image block is returned to the host computer by drawing an operation key as shown in the figure as the above-described image block and pressing the display position of the image block from the touch panel (67). Or the image display controller (1
0) Control its own operation.

In order to associate the image block drawn on the image display control device (10) with the operation key signal of the touch panel (67), the display area of the image block is defined as shown at the time of registration of the logical index word. Data (x ₁ , y ₁ )
(x ₂ , y ₂ ) is input, and a logical index word including the coordinate data and command data for realizing an operation corresponding to the image block (for example, an operation such as “return to the previous screen”) is entered. The settings are registered in the event data storage means (32).

[0011]

However, when an image block for inputting information is drawn on the display screen (18) of the image display control device (10), the drawing area of the original monitoring image is reduced. There is. To solve this problem, FIG.
.. F8 (68) are arranged on the front panel of the image display control device (10), and information can be inputted by operating each key. In this case, each of the function keys F1, F2,. The functions of the function keys F1, F2,..., F8 are fixed, and the user cannot freely change the function of each function key, which is inferior in flexibility and versatility.

An object of the present invention is to provide a virtual display area outside a real display area of an image display control device, and an image in which a logical index word of an image block representing a function key can be set in the virtual display area. An object of the present invention is to provide a display control device and solve the above problems at once.

[0013]

An image display control device (1) according to the present invention transmits a signal for instructing an external device, receives a signal from the external device, and displays the signal of the external device on a display area. In an image display control device for displaying a state, a function key for defining a display function at a predetermined position on the display area is formed in an area other than the display area, and data corresponding to the display function and an external device Perform control operation
Data containing the information to be displayed
A data storage means for storing correspondingly, the function sucrose
Key operation from the data storage means
Data to be read, and a table set in advance
Display function and control operation of external device
System for transmitting data including information to be transmitted to the external device
Control means, and the data stored in the data storage means can be rewritten by an external signal. Specifically, as shown in FIG. 1, an image display unit (24), and a graphic data storage unit (27) storing graphic data GD of a plurality of image blocks to be drawn on the image display unit (24). , Status information M sent from an external circuit
An event data storage means (26) in which a logical index word W for displaying a specific image block in the plurality of image blocks based on D is stored for each image block; and an event data storage means (26). A predetermined function is assigned to an image display control device comprising a system control means (2) for decoding a logical index word W in the above and performing display processing according to the state information MD on an image block specified by the logical index word W. One or a plurality of operation keys to be operated, and the operation keys are arranged in an area outside the actual display area of the image display unit (24), and function key means (25) for issuing key address data according to the key operation. ) And function key means (2
A base table including the event code TN for identifying the operation key of 5)
The coordinate setting word AW representing the position outside the indicated area is stored in the coordinate setting word storage means (22) and the coordinate setting word storage means (22) to be stored for each operation key of the function key means (25). The same as the event code TN to be included in the logical index word W when the logical index word W is set in the input means (23) for inputting the set word AW and the logical index word W in the event data storage means (26) .
Key function setting means (21) for executing a process of reading a coordinate setting word AW having an event code from the coordinate setting word storage means (23), creating a logical index word W, and registering it in the event data storage means (26). The system control means (2) reads a logical index word W corresponding to the data from the event data storage means (26) based on a key address generated by a key operation of the function key means (25), The operation according to the read logical index word W is executed.

[0014]

The setting and registering of the coordinate set word and the logical index word in the coordinate set word storage means (22) and the event data storage means (26) are performed in the drawing mode of the image display control device (1).
In the drawing mode, when the input means (23) is operated and the coordinate setting word AW is set and registered in the coordinate setting word storage means (22), the display area data GA is displayed on the image display unit (24). The address is input as address data representing the location of the operation keys constituting the function key means (25) at a position within the virtual display area provided outside the area. As the address data, any data can be set as representing a virtual address outside the actual display area of the image display unit (24).

Thereafter, in setting and registering the logical index word W in the event data storage means (26), the key function setting means (21)
Reads the display area data GA coordinate data setting word AW having the same event sign-and event sign-TN to be included in the logical index word W from the coordinate setting word storage means (22), the display area data and GA, create a logical index word W including the command data CD for realizing the functions of the operation keys of the function key means (25) corresponding to the No.該事Zofu, registered in the event data storage unit (26) Execute the processing to be performed.

When the function key means (25) is operated in the operation mode in which the image display control device (1) is connected to the photo computer online, the function key means (25) is operated by the key operation to display the virtual display area. Key address data KA corresponding to the above key arrangement is output. The system control means (2) reads a logical index word W including display area data corresponding to the key address data KA from the event data storage means (26) based on the key address data KA, and reads the command data CD of the logical index word W. The operation according to is performed. As a result, the function key means
The image display is changed according to the operation key of (25), or the data is returned to the host computer (or the programmable controller).

[0017]

In the image display control device according to the present invention, since the function key means is arranged outside the actual display area of the image display section (24), the drawing area of the original monitor image is narrow. It will not be. Naturally, the logical index word W
By setting, the operation realized by operating the function key means can be easily changed, and it is excellent in flexibility and versatility. Also, in the production site, the image display control of the present invention
Operation for external device using device and external device
When simultaneously monitoring the status of
It can be used effectively to display the status. In other words, the display area
Is controlled by the display of input switches for external devices.
It can only be used to display the information you want to monitor.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a more specific configuration and operation of the image display control device (1) shown in FIG. 1 will be described in detail. It should be noted that the examples are for illustrating the present invention, and should not be construed as limiting the invention described in the claims or reducing the scope thereof. The image display control device (1) is connected online with a host computer (or a programmable controller), and the host computer is supplied with various monitoring data from an instrumentation system for monitoring an operation state.

The image display control device (1) comprises a display (11) and a keyboard (12) as input / output devices as shown in FIG.
A communication controller (13) for receiving data such as status information from a host computer; and an I / O controller (14) for receiving an input signal from a keyboard (12).
, A CPU (15), a ROM (4) in which system programs to be described later (FIGS. 8 to 11) are registered, and various R to be described later.
AM (41) (42) (43) (44) (45), a register (16) for controlling the data read timing by the communication controller (13), and a graphic for controlling the drawing operation of the display (11) Display (11) with controller (17)
Is equipped with a touch panel device (6).

Out of the five RAMs, the event RAM (42) constitutes the event data storage means (26) of FIG. 1, and the database RAM (45) constitutes the coordinate setting word storage means (22). . The graphic RAM (43) corresponds to the graphic data storage means (27), and the system program stored in the ROM (4) stores the system control means.
(2) and key function setting means (21). The input means (2) is provided by a keyboard (12) and a display (11).
3) and an image display unit (24)
Function key means (25) is constituted by (6). Video RAM (44) is a graphic controller
When the drawing operation of the display (11) is controlled by (17), the data of the graphic RAM (43) is developed into a screen image.

FIG. 13 shows the relationship between the address space of the memory (51) in the host computer (5) and the address space of the state information RAM (41) in the image display control device (1). The memory is also provided with an 8-bit or 16-bit storage unit for only required addresses (addresses 0 to N).

As shown in FIG. 3, the touch panel device (6) has a touch panel (61) having a larger area than the display screen (18) of the image display control device (1) attached to the screen. Touch panel (6) protruding downward from screen (18)
Function keys F1, F2,... F
Eight display units (64) are provided.

The display screen (18) of the image display control device (1)
An actual display area is formed as shown in FIG. 4, and a virtual display area where the function key display section (64) of the touch panel (61) shown in FIG. 5 overlaps is set below the actual display area. In the real display area and the virtual display area of the display screen (18), coordinates (x, y) in pixel units corresponding to the definition of the display screen (18) are set with the origin at the upper left end of the screen as shown in FIG. Is done. Also, coordinates (u, v) corresponding to the resolution of the touch panel (61) are set on the touch panel (61) with the upper left end as the origin as shown in FIG.

FIG. 6 shows a state of address conversion from the touch panel (61) to the image display control device (1). The touch panel physical address (u, v) output from the touch panel (61) is converted by the first conversion processing means (62) into the second
After being converted to a touch panel virtual address (X, Y) in a format that can be received by the conversion processing means (63), the second conversion processing means (63) converts the graphic physical area address of the display screen (18) into dots. It is converted to (x ₁ , y ₁ ) to (x ₂ , y ₂ ). The touch panel (61) and the first conversion processing means (6
2) constitutes the touch panel device (6) of FIG. 2, and the second conversion processing means (63) is provided with the system program RO of FIG.
M (4).

FIG. 7 shows the configuration of the logical index word W corresponding to the function key display section (64) on the touch panel (61) and the configuration of the coordinate setting word AW registered in the database RAM (45). ing. In the following description, logical index words are collectively referred to as tags, and in particular, those relating to touch panels are referred to as T tags, and those relating to function keys set in a virtual display area of a display screen are referred to as TF tags.

As shown in FIG. 7, in the database RAM (45),
Tag names TF1xx, TF2x consisting of five characters corresponding to the eight function keys F1, F2,.
×,... TF8xx are attached, and the display area address (x ₁ , y
₁ ) and (x ₂ , y ₂ ) are stored. The first digit T of the tag name indicates a T tag, the two digits F indicate a TF tag, and the next number indicates a function key number. The function of the function key is represented by the last two digits. The registration of the coordinate setting word AW can be easily performed by operating the keyboard (12) in FIG.

On the other hand, as shown in FIG. 7, a tag name (for example, TF2xx) for each function key, a display position of the tag name on the screen, and a display area of the function key are stored in the event RAM (42) as the tag W. The coordinates x ₁ , y ₁ , x ₂ , y ₂ indicating the address, the storage address of the status information corresponding to the function key in the status information RAM (41) and the operation command are stored. The procedure for setting the tag will be described with reference to FIG.

When the tag name is input from the keyboard (7),
It is determined whether the tag is a T tag (71). If the tag is not a T tag, a general tag setting process (72) described later is performed.
In the case of a T tag, it is further determined whether or not the tag is a TF tag (73). In the case of a TF tag, a tag name is set in the event RAM (42) as shown in FIG. A coordinate setting word AW having the same tag name as the tag name is searched (74). The display area address coordinates x ₁ , y ₁ , x ₂ , y ₂ included in the searched coordinate setting word AW are
Event RAM as an operation effective area of the touch panel
It is set (75) in (42).

If it is not a TF tag, an operation effective area on the actual display area where the image block of the T tag is to be displayed is input as display area address coordinates (76).
Thereafter, an operation for realizing a function to be assigned to the function key or the image block is selected by operating the keyboard, and an input process (77) is performed.

Next, as shown in FIG. 9, the operation content is determined (78), and bit writing, that is, the state information RAM (4) shown in FIG.
When a bit "1" is set at a predetermined bit address of the predetermined address in 1), an input process (79) of the address is performed. When writing an absolute value, that is, when writing a desired word to a predetermined address of the state information RAM (41), input processing of the address is performed.
(8) and input processing (82) of the word data. In the case of an operation to return to the previous screen, a setting process (81) of a return operation for that is performed, and the procedure is ended.

FIG. 10 shows the operation of the second conversion processing means (63) in FIG. 6 when the touch panel is operated. First, a first conversion processing means (62) touch the virtual address from the (X, Y) and input processing (83), and the address graphic physical area address _{(x 1, y 1) ~} (x 2, y 2) Conversion to
(84). Thereafter, the address becomes the image display control device (1).
Is transmitted (85) to the CPU (15).

After receiving the graphic physical area address (86) as shown in FIG. 11, the CPU (15) determines whether or not the address is included in the effective area including the real display area and the virtual display area. After the check (87), a T tag including the address is searched from the event RAM (42) of FIG. Next, when the searched T tag address is a valid area, for example, a TF tag, the area address shown in FIG.
(x _1, y ₁₎ and ~ (x _2, y ₂₎ check (9) whether or not included in the effective area indicated by, if valid area, the operations contained in the T-Tag Execute the command (91). Thereafter, it is determined whether or not the processing has been completed for all the T tags (92). If NO, the process returns to the search procedure (88), and if YES, the procedure ends.

By the above processing, the screen is switched according to the operated function key, or the status information RAM (4
Data writing to 1) is performed. Status information RAM (41)
The data written to the host computer can be
It is returned to the memory (51) of (5), and various control operations are realized.

In the operation mode, the host computer
The monitoring data supplied to (5) is converted into a data string (state information MD) of “0” and “1” in accordance with a procedure registered in advance in the host computer, and then the memory (5) in FIG.
Stored sequentially in 1). When all state information corresponding to one cycle of monitoring data from the instrumentation system is stored in the memory (51), the state information is stored in the image display controller (1).
Is moved to the storage position indicated by the same bit and address of the state information RAM (41) in the memory, and finally both memories (51) and (41)
Are the same.

FIG. 14 shows the structure of a general tag stored in the event RAM (42). The tag W corresponding to each image block is registered sequentially from the head address. Graphic data for displaying a plurality of base screens is stored in the graphic RAM (43) together with a file number F1. Also, graphic data of a plurality of image blocks that can be called on each base screen is stored in the graphic RAM (43) with a file number F, respectively.
2, F3, F4,...

When registering the tag W, the apparatus is set to the drawing mode, and the following registration procedure is performed by operating the keyboard (12). Base screen file number F
By key setting 1, the file number is
Is stored at address 0 of the event RAM (42).

Next, state information for calling the base screen
By inputting an address A1 and a bit address B1 in the status information RAM in which (for example, "1") is to be stored, these data are stored in the first and second addresses in the event RAM (42). Further, the state information stored at the address A1 and the bit address B1 of the state information RAM is ON ("1") or OF.
F / (0) sets ON / OFF data S indicating when to call the base screen. The data is stored at the third address of the event RAM (42).

Next, the type of image block (event) to be changed in display, that is, whether the display is a mark such as a valve,
Data (for example, "1" in the case of a mark display) for distinguishing between a display of a library having a configuration more complicated than a mark and a display of a time is input. The input data is stored at the fourth address of the event RAM (42).

When a tag name (event name) TN is displayed at a position near an image block on the screen, the display start position of the tag name on the screen is input, and then the tag name TN is keyed in. These input data are stored at addresses 5 and 6 of the event RAM (42). Next, by setting an address A2 and a bit address B2 in the state information RAM in which state information for changing the display color of the image block is to be stored, these data are stored in the seventh address and the event RAM (42). It is stored at the eighth address.

Further, the registration file number F of the image block
By entering 2, the file number is stored in the event RAM.
It is registered at the ninth address of (42). Then, the address A
2. Status information of bit address B2 is ON ("1") and OFF
At the time of ("0"), ON / OFF color information ZD representing the color of each image block to be painted is keyed in.
The ON / OFF information ZD is stored at the tenth address of the event RAM (42).

Finally, coordinate data HD (x coordinate and y coordinate on the screen) indicating the display position of the image block on the screen is input. The coordinate data is stored at the eleventh address of the event RAM (42). By repeating the above operation as many times as necessary,
The registration procedure of the tags W of the plurality of image blocks to be displayed on the plurality of base screens respectively ends.

The display change operation in the operation mode in which the image display control device (1) is connected to the host computer is the same as that of the image display control device (Japanese Patent Laid-Open No. 2-150719) proposed by the applicant. Since there is, description is omitted.

According to the image display control device (1), the function of the function keys on the touch panel can be freely changed only by rewriting the contents of the TF tag, as in the case of the conventional T tag. Extremely high versatility is obtained, for example, the size of the key can be set arbitrarily.

The drawings and description of the above embodiments are intended to illustrate the present invention and should not be construed as limiting the invention set forth in the claims or reducing the scope thereof. Further, the configuration of each part of the present invention is not limited to the above embodiment, and various modifications can be made within the technical scope described in the claims. For example, as shown in FIG. 15, not only the function keys on the touch panel (61) but also the push button switches (65) provided separately from the display (11) are provided with TF tags, If the same virtual display area as that of the function key is set, the same effect can be obtained for the push button switch.

[Brief description of the drawings]

FIG. 1 is a functional block diagram showing a configuration of an image display control device according to the present invention.

FIG. 2 is a block diagram illustrating a hardware configuration of an image display control device according to the present invention.

FIG. 3 is a perspective view showing a relationship between a display screen and a touch panel of the image display control device according to the present invention.

FIG. 4 is a front view of a display screen of the image display control device.

FIG. 5 is a front view of the touch panel.

FIG. 6 is a block diagram illustrating an address relationship between a display screen of the image display control device and a touch panel.

FIG. 7 is a diagram showing a configuration of a TF tag in an event RAM and a configuration of a coordinate setting word in a database RAM.

FIG. 8 is a flowchart illustrating a first half of a tag setting process.

FIG. 9 is a flowchart showing a latter half of the tag setting process.

FIG. 10 is a flowchart illustrating a state of address conversion from a touch panel to a display screen of an image display control device.

FIG. 11 is a flowchart showing the operation of the T tag in the operation mode.

FIG. 12 is a block diagram showing a configuration of a conventional image display control device.

FIG. 13 is a diagram illustrating an address space of a memory in the host computer and a status information RAM of the image display control device.

FIG. 14 is a diagram illustrating a configuration of a general tag stored in an event RAM.

FIG. 15 is a diagram showing another embodiment of the present invention.

FIG. 16 is a perspective view showing a relationship between a display screen and a touch panel in a conventional image display control device.

[Description of sign]

 (1) Image display controller (18) Display screen (61) Touch panel (64) Function key display

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) G09G 5/00-5/42 G06F 3/02-3/027

Claims (2)

(57) [Claims] An image display unit (24) and an image display unit (24)
Graphic data GD of a plurality of picture blocks to be drawn
Graphic data storage means (27) in which
Based on the state information MD sent from the external circuit,
To display a specific image block in a number of image blocks
That the logical index word W is stored for each image block
Elephant data storage means (26) and the event data storage means (26).
Of the logical index word W of
A system for subjecting a block to display processing according to the state information MD.
An image display control device comprising a stem control means (2)
One or more operation keys to which a predetermined function is to be assigned.
And the operation keys are operated by the image display unit (24).
It is located in an area outside the display area and
-Function key means for issuing address data (25)
And the operation keys of the function key means (25)
Representing the position outside the actual display area including the event code TN
The set word AW is the operation key of the function key means (25)
And a coordinate setting word storage means (22) to be stored for each event , wherein the logical index word W is an event code included in the coordinate setting word AW.
Coordinate setting by including the same event code TN as signal TN
The system control means (2) is associated with the word AW
Key address data generated by the key operation of (25)
A logical index word W corresponding to the key address data.
From the event data storage means (26), and
Performing an operation in accordance with the set logical index word W.
Image display control device. 2. An image display unit (24) and graphic data G of a plurality of image blocks to be drawn on the image display unit (24).
Graphic data storage means (27) in which D is stored
And event data storage means (26) in which a logical index word W for displaying a specific image block among the plurality of image blocks is stored for each image block based on state information MD sent from an external circuit. ) And the event data storage means
(26) An image display control device comprising: a system control means (2) for decoding a logical index word W in (26) and performing display processing according to the state information MD on an image block specified thereby. One or a plurality of operation keys to which functions are to be assigned, and the operation keys are arranged in an area outside the actual display area of the image display unit (24), and the function keys generate key address data according to the key operation. Means (25)
And a coordinate setting word AW indicating a position outside the actual display area including the event code TN for identifying the operation key of the function key means (25), should be stored for each operation key of the function key means (25). A coordinate setting word storage means (22); an input means (23) for inputting the coordinate setting word AW into the coordinate setting word storage means (22); and a logical index word for the event data storage means (26). At the time of setting W, a coordinate setting word AW having the same event code as the event code TN to be included in the logical index word W is read from the coordinate setting word storage means (23), and a logical index word W is created. Key function setting means (21) for executing processing for registration in the storage means (26), wherein the system control means (2) comprises function key means
Based on the key address generated by the key operation of (25), read the logical index word W corresponding to the data from the event data storage means (26), and execute the operation according to the read logical index word W. Characteristic image display control device.