JP2015114717A - Information display control device, information display control method and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information display control device, an information display control method and a program such that when one screen consists of multiple displays, a touch result is not reflected on the other adjacent display even if a touch operation is done nearby the border between adjacent displays.SOLUTION: An information display control device (40) displays one screen by arranging a plurality of display devices adjacently. The information display control device (40) includes: touch recognition processing units (23a, 23b) which recognize a touch operation on the display screen from detection results of touch sensors (11a, 11b); and clip processing units (24a, 24b) which, when the touch recognition processing unit determines that an edge of an effective display area of adjacent display screens of the display devices is reached, output touch coordinates of a touch operation outside the effective display area by clipping the touch coordinates at an edge border position of the effective display area, and output other coordinates as they are.

Description

  The present invention relates to an information display control device, an information display control method, and a program that enable one-screen display with a multi-display configuration in a display device having a touch panel.

  A display device equipped with an input device capable of detecting the position of a nearby object such as a capacitive touch panel is not only used as an electronic whiteboard / IWB (Interactive Whiteboard) in a classroom or office, but also as a digital signage, station, It is being used as an information board at airports and as a communication tool for local communities. Since information that can be displayed on a single display is limited, in recent years, it may be used in a multi-display configuration in which a plurality of displays are regarded as a single display.

  For example, consider a display system having a plurality of display devices and a host computer (hereinafter referred to as a host) that controls these to form a single display in a multi-display configuration.

FIG. 11 is an explanatory diagram showing a conventional multi-display display system.
The display system includes display devices 100a and 100b and a host 200 that controls display of these devices.

  The display devices 100a and 100b are configured to have a touch panel provided with a touch sensor on the upper surface of a display unit made of a liquid crystal panel or the like. The display devices 100a and 100b are arranged adjacent to each other in the horizontal direction. The display unit has an effective display area that enables display. As shown in FIG. 11, when two identical display devices are arranged side by side to form a single screen, if the resolution of one display is Full-HD (1920 × 1080), the effective display area of the display device 100a is (0 , 0) to (1919, 1079), and the effective display area of the display device 100b has a coordinate range of (1920, 0) to (3839, 1079). When using an OS corresponding to touch such as Windows (registered trademark) 8, Android (registered trademark), iOS (registered trademark) or the like, it is necessary to recognize a touch operation (such as swipe) from the outside of the effective display area. For this reason, the effective area of the touch sensor exists not only within the effective display area of the liquid crystal panel but also outside the effective display area.

  The host 200 receives the touch recognition signal touched by the user on the screens of the display devices 100a and 100b, generates a video signal based on the touch recognition signal, and displays the image that combines the display devices 100a and 100b into one screen.

  In the case of a single display configuration, even when touch sensors at the top, bottom, left, and right edges of the display surface are arranged outside the effective display area of the display device, the coordinate value of the touch recognition result returned to the host 200 is input data for one screen display. As it is clipped, it does not affect various operations. That is, in the case of image display corresponding to the touch operation, the coordinates of the touch operation do not exceed the coordinate value of the edge boundary of the effective display area.

  On the other hand, in the case of a multi-display configuration in which a plurality of these display devices are arranged, the host recognizes them as input coordinates for one screen display. When the two display devices 100a and 100b are displayed as one screen (resolution: 3840 × 1080) as shown in FIG. 11, touching the right end of the display device 100a touches even when it is outside the effective display area. Since the effective area of the sensor exists, it is output as effective coordinates. Since the X coordinate at this time is 1920 or more, the host 200 determines that the display device 100b (X = 1920 to 3839) is touched instead of the display device 100a (X = 0 to 1919). As a result, the touch result is reflected on the display device 100b, which is a problem.

  That is, as shown in FIG. 11, the touch sensor area outside the effective display area of the display devices 100a and 100b overlaps the coordinates of the adjacent display devices. That is, the right end of the display device 100a exists with the X coordinate exceeding 1919. The left end of the display device 100b has coordinates less than 1920. Therefore, for example, as shown in the figure, when the user causes the display device 100a to display the image a to the right end by a swipe operation, there is an overlapping coordinate at the left end of the display device 100b. It will be displayed. When the user causes the display device 100b to display the image b from the left end by a swipe operation, the overlapping image b is displayed because there are overlapping coordinates on the right end of the display device 100a.

  Patent Document 1 discloses an example in which an integrated operation can be performed even when a plurality of touch panels are attached to a multi-display system. Here, it has been proposed to assign the coordinates of the touch panel provided in the multi-display to virtual coordinates that can be recognized by the OS.

JP-A-11-161426

  However, with the contents shown in Patent Document 1, it is impossible to cope with the overlapping image display caused by the output of overlapping coordinates that occurs when the touch panel is used as described above.

  In the present invention, in view of such circumstances, when a single screen is used in a multi-display configuration, even if a touch operation is performed near the boundary between adjacent displays, the touch result is not reflected on the other adjacent display. An object of the present invention is to provide an information display control device, an information display control method, and a program that can realize an operation system similar to that at the time of configuration.

The present invention is an information display control device that displays a single screen by arranging a plurality of display devices including a plurality of display screens for displaying information and a touch sensor capable of detecting an input to the display screen,
The touch recognition processing unit for recognizing a touch operation on the display screen from the detection result of the touch sensor and the touch recognition processing unit have determined that the edge of the effective display area of the adjacent display screens of the display devices has been reached. A clip processing unit that clips the touch coordinates of the touch operation outside the effective display area at the edge boundary position of the effective display area and outputs the touch coordinates while leaving the other coordinates as they are, and a touch from the clip processing unit And a drawing information generating unit that generates drawing information according to the coordinates.

The present invention is an information display control device that displays a single screen by arranging a plurality of display devices including a plurality of display screens for displaying information and a touch sensor capable of detecting an input to the display screen,
A touch recognition processing unit for recognizing a touch operation on the display screen based on a detection result of the touch sensor and outputting touch coordinates; and coordinates of an effective display area of an adjacent display device where the touch coordinates are outside the effective display area And the clip processing unit that outputs the touch coordinates as they are and outputs the other touch coordinates as they are, and the drawing according to the coordinates from the clip processing unit. And a drawing information generation unit that generates information.

  Here, the information display control device includes a storage unit that stores configuration information related to the arrangement of the display device, and the clip processing unit specifies coordinates to be clipped based on the configuration information.

The present invention is also an information display control method in which a plurality of display devices each including a plurality of display screens for displaying information and a touch sensor capable of detecting an input to the display screen are arranged to display one screen. And
The touch recognition processing step for recognizing a touch operation on the display screen from the detection result of the touch sensor and the touch recognition processing step determine that the edge of the effective display area of the adjacent display screens of the display devices has been reached. In this case, the touch coordinates of the touch operation outside the effective display area are clipped at the edge boundary position of the effective display area, and the other coordinates are left as they are, and the clip processing step for outputting the touch coordinates is obtained by the clip processing step. A drawing information generating step for generating drawing information according to the touch coordinates.

The present invention is also an information display control method in which a plurality of display devices each including a plurality of display screens for displaying information and a touch sensor capable of detecting an input to the display screen are arranged to display one screen. And
A touch recognition processing step of recognizing a touch operation on the display screen based on a detection result of the touch sensor and outputting touch coordinates; and coordinates of an effective display area of an adjacent display device where the touch coordinates are outside the effective display area If it is determined that it overlaps with the clip processing step of outputting the touch coordinates to the coordinates of the effective display area of the display device, the other touch coordinates are output as they are, and according to the coordinates obtained by the clip processing step, A drawing information generating step for generating drawing information.

  Moreover, this invention is a program for making a computer perform each step of the said information display control method.

  According to the present invention, in a multi-display configuration in which a plurality of display devices each having an input device are arranged, the plurality of display devices are regarded as one screen, and touch coordinates outside the effective display region between the display devices are defined as boundaries between the effective display regions. By clipping to the position, it becomes possible to prevent the touch result from being reflected on the adjacent display device, and an operation system similar to that in the single display can be provided even in the multi-display configuration.

It is explanatory drawing which shows the display system of the multi display in the 1st Embodiment of this invention. It is a block diagram which shows the display system in 1st Embodiment. It is a conceptual diagram of the clip process in 1st Embodiment. It is a flowchart which shows an example of the process which calculates | requires the coordinate in 1st Embodiment. It is explanatory drawing which shows the largest coordinate at the time of arrange | positioning four display apparatuses, and the number of arrangement | positioning of an XY direction. It is explanatory drawing which shows the display system of the multi display in the 2nd Embodiment of this invention. It is a block diagram which shows the display system in 2nd Embodiment. It is a conceptual diagram of the clip process in 2nd Embodiment. It is a flowchart which shows the clip process in 2nd Embodiment. It is explanatory drawing which shows the example of device ID and the structure information of a display in 2nd Embodiment. It is explanatory drawing which shows the display system of the conventional multi display.

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

<First Embodiment>
FIG. 1 is an explanatory diagram showing a multi-display display system according to the first embodiment of the present invention. FIG. 2 is a block diagram illustrating the display system according to the first embodiment.

  The display system of FIG. 1 is configured to include the display device 10 (10a, 10b) and a host 30 that controls the display, similarly to the conventional display system of FIG. In this example, two display devices are arranged, but the present invention is not limited to this. In the figure, a and b are added to the reference numerals of the components of each display device for distinction, but the functions are the same.

  The display device (display) 10 (10a, 10b) is the same as the conventional display device shown in the figure, and has a touch panel provided with a touch sensor on the upper surface of a display unit made of a liquid crystal panel or the like. The resolution (1920 × 1080) is the same. The display device 10a is configured such that the edge (right end) adjacent to the display device 10b does not output coordinates outside the effective display area of the display unit 12a to the host 30 as it is, and the display device 10b is similarly configured as a display device. The edge (left end) adjacent to 10a does not output coordinates outside the effective display area of the display unit 12b to the host 30 as they are. Accordingly, even when the edges adjacent to each other are touched, the host 30 can be prevented from reflecting the touch result on the other adjacent display (details will be described later).

  The display unit 12 (12a, 12b) of the display device 10 (10a, 10b) is for giving information to the user by displaying information on the screen, and has a planar shape such as a liquid crystal display or an EL display.

  The touch sensor 11 (11a, 11b) provided on the upper surface of the display unit 12 (12a, 12b) is a capacitance sensor, and from a line arranged in a matrix in a plane shape, an object close to the touch sensor 11 (11a, 11b) is arranged. It is a sensor which can detect the position of an object by detecting the electrostatic capacitance between. As shown in FIG. 1, the effective display area of the display device 10a has a coordinate range from (0,0) to (1919,1079), and the effective display area of the display device 10b is (1920,0) to (3839, 1079).

  Note that the touch sensor is not limited to a capacitance sensor, and may be, for example, a resistive film type sensor.

  The main control unit 20 (20a, 20b) of the display device 10 (10a, 10b) is a touch operation control unit, and includes a control unit (drive / capacitance value reception unit) 21 (21a, 21b), a capacitance change detection unit 22 ( 22a, 22b), touch recognition processing unit 23 (23a, 23b), and clip processing unit 24 (24a, 24b).

The control unit (drive / capacitance value receiving unit) 21 (21a, 21b) drives the touch sensor 11 (11a, 11b) and receives the capacitance value from the result.
The capacitance change detection unit 22 (22a, 22b) detects a touch operation from the change in the capacitance value.

  The touch recognition processing unit 23 (23a, 23b) determines the position of the pen tip or the fingertip where the touch operation has been performed based on the change in capacity, and if it is a menu position, performs the menu operation processing, otherwise performs the drawing processing. .

  The clip processing unit 24 (24a, 24b) determines the edge of the effective display area on the side where the adjacent display device is present based on the configuration information (details will be described later) of the display device received from the multi-display control unit 31 of the host 30. Then, a process of clipping the touch coordinates outside the effective display area at the boundary position of the edge is performed. The touch coordinates in the effective display area are output as detected coordinates.

  The host 30 is a display control part that receives a touch recognition signal from the display device 10 via a wired or wireless network and transmits a video signal using the display unit 12 of the display device 10 as one screen based on the received signal. The host 30 is configured to include a multi-display control unit 31, a drawing information generation unit 32, and a drive unit 33.

  The multi-display control unit 31 manages configuration information of the current display (the number of configurations in the X and Y directions and the number of individual arrangements: details will be described later), and transmits the configuration information to the clip processing unit 24 of the display device 10. .

  The drawing information generation unit 32 includes a storage unit (not shown), and the storage unit temporarily displays drawing information such as handwritten information, display direction, graph information, and the like, and temporarily overlaps the drawing information. Menu information to be held is held in a separate layer. Based on the determination of the menu process and the drawing process of the touch recognition processing unit 23 of the display device 10, control is performed so as to update the content of the storage unit that stores the content displayed on the display unit 12 of the display device 10. ing.

  The drive unit 33 drives the display unit 12 based on the information stored in the storage unit in the drawing information generation unit 32, and displays the information on the display unit 12 using them as one screen.

  The main control unit 20 is provided in the display device 10, and the multi-display control unit 31, the drawing information generation unit 32, and the drive unit 33 are provided in the host 30, and these are collectively referred to as the information display control device 40. The information display control device 40 may be a single device, and the display device 10 may have only a monitoring function.

  FIG. 3 is a conceptual diagram of clip processing in the first embodiment. FIG. 3 shows an example in which one effective display area of another display unit is added to the effective display area of one display unit to form one screen.

  FIG. 3A shows that the effective display area 13b in the display unit 12b of the display device 10b is added to the effective display area 13a in the display unit 12a of the left display device 10a to form one screen. The upper, lower and leftmost portions outside the effective display region 13a of the display unit 12a are portions outside the effective display region, and the coordinates are clipped at the boundary position of the effective display region. Similarly, a right end region (shaded portion) 14a of the display unit 12a is a portion that should be clipped in the same manner as a portion outside the effective display region. However, when two displays are regarded as one, this right end region Is no longer considered as an end, and thus has conventionally been a region that is not clipped. Therefore, for example, when the effective area of the touch sensor of the display unit 12a is outside the effective display area 13a by 7.53 mm, the coordinates for about 11 pixels exist on the 60-inch display without this processing. When the touch-operated portion is displayed as an image, the touch coordinates in the right region 14a exceed X = 1919 on the display unit 12a. For this reason, in the other adjacent display part 12b, the touch operation part larger than X = 1920 in the display part 12a will be reflected and displayed as a touch result. Therefore, in the present embodiment, the main control unit 20a of the display device 10a clips the touch coordinates at the portion 14a and outputs the X coordinates to the host 30 as X = 1919.

  FIG. 3B shows that the effective display area 13b in the display unit 12a of the display device 10a is added to the effective display area 13b in the display unit 12b of the right display device 10b to form one screen. The upper, lower, and right end portions outside the effective display area 13b of the display unit 12b are portions outside the effective display area, and are coordinates that are clipped. Similarly, the left end region (shaded portion) 14b of the display unit 12b is a portion that should be clipped in the same manner as the portion outside the effective display region. Is no longer considered as an end, and thus has conventionally been a region that is not clipped. Therefore, for example, when the effective area of the touch sensor of the display unit 12b is 7.53 mm outside the effective display area 13b, if this process is not performed, about 11 pixels are displayed on the 60-inch display as in FIG. Coordinates exist. When the touched portion is displayed as an image, the touch coordinates in the left region 14b have a value smaller than X = 1920 in the display unit 12b. For this reason, on the other adjacent display unit 12a, a touch operation smaller than X = 1920 on the display unit 12b is reflected and displayed as a touch result. Therefore, in the present embodiment, the main control unit 20b of the display device 10b clips this portion 14b, and outputs the X coordinate to the host 30 with X = 1920.

FIG. 4 is a flowchart showing an example of processing for obtaining coordinates in the first embodiment.
This process is a process for obtaining the X coordinate and the Y coordinate of the touched position when a plurality of display devices are arranged to display one screen.

  Here, the origin is determined and the X direction and the Y direction are determined. For example, the upper left corner of one screen formed by the arranged display device is the origin, the right lateral direction is the X direction, and the lower direction is the Y direction. It is assumed that the maximum number of pixels in the X direction in the effective display area of the display device alone is “WIDTH_X” and the maximum number of pixels in the Y direction is “WIDTH_Y”. The number of display devices arranged in the X direction as viewed from the origin is “POS_X”, and the number of display devices arranged in the Y direction is “POS_Y”.

FIG. 5 is an explanatory diagram showing the maximum coordinates and the number of arrangements in the XY directions when four display devices are arranged. The four display devices D1 to D4 have a resolution of Full-HD (1920 × 1080) and are arranged adjacent to each other in a 2 × 2 (horizontal × vertical) configuration. The four thick frames in FIG. 5 indicate the effective display area of each display device. The storage unit of the multi-display control unit 31 of the host 30 stores the following information as the configuration information of the display device.
(1) Configuration number information (m, n) of display devices constituting one screen: (number of configurations in X direction, number of configurations in Y direction)
(2) Object Display Device Arrangement Information (POS_X, POS_Y): (Number of Display Device Arrangements Up to X Direction Target Display Device, Number of Display Device Arrangements Up to Y Direction Target Display Device)
The arrangement information is information indicating the arrangement position of the display device.

Therefore, the configuration information of the display device in FIG. 5 is as follows.
(1) Configuration number information: (m, n) = (2, 2)
(2) Arrangement information Display device D1 (POS_X, POS_Y) = (1, 1)
Display device D2 (POS_X, POS_Y) = (2, 1)
Display device D3 (POS_X, POS_Y) = (1,2)
Display device D4 (POS_X, POS_Y) = (2, 2)

  Next, a process when the user performs an operation by touching the touch sensor will be described with reference to FIG.

  In step S <b> 11, the capacity change detection unit 22 of the main control unit 20 determines whether there is an input from the touch sensor 11 based on the reception result of the control unit 21. If there is an input, the process proceeds to S12, and if there is no input, the process ends.

  In step S12, the touch recognition processing unit 23 multiplies the input X coordinate by the resolution in the X direction (maximum number of pixels in the X direction) of the display device and the number of arrangements in the X direction based on the result of the capacitance change detection unit 22 (WIDTH_X It is determined whether it is smaller than the result of (POS_X). If it is smaller, the process proceeds to step S14, and if not, the process proceeds to step S13.

  In step S13, since it is determined in step S12 in the previous stage that the input X coordinate is outside the effective display area of the target display device, the clip processing unit 24 converts the output X coordinate to the effective display area. Clip to the maximum X coordinate ((WIDTH_X × POS_X) −1) and go to step S17.

  In step S14, the touch recognition processing unit 23 is equal to or greater than the result obtained by multiplying the input X coordinate by the X-direction resolution of the display device and the number obtained by subtracting 1 from the X-direction position (WIDTH_X × (POS_X−1)). If so, the process proceeds to step S16, and if not, the process proceeds to step S15.

  In step S14 in the preceding stage, since it is determined that the input X coordinate is outside the effective display area of the target display device, in step S15, the clip processing unit 24 converts the output X coordinate to the effective display area. Clip to the minimum X coordinate (WIDTH_X × (POS_X−1)), and proceed to step S17.

  In step S16, since the input X coordinate is the X coordinate in the effective display area of the target display device, the clip processing unit 24 outputs the output X coordinate to the host 30 without clipping as it is, and proceeds to step S17. .

  In step S <b> 17, the touch recognition processing unit 23 determines whether or not the input Y coordinate is smaller than the result of multiplying the Y-direction resolution of the display device by the Y-direction position (WIDTH_Y × POS_Y). If it is smaller, the process proceeds to S19, and if not, the process proceeds to S18.

  In step S18, since the input Y coordinate is determined to be a Y coordinate outside the effective display area of the target display device in the previous step S17, the Y coordinate output by the clip processing unit 24 is the maximum of the effective display area. Clip to the Y coordinate ((WIDTH_Y × POS_Y) −1), and the process ends.

  In step S <b> 19, the touch recognition processing unit 23 obtains the result of multiplying the input Y coordinate by the Y-direction resolution of the display device and the number obtained by subtracting 1 from the Y-direction position (WIDTH_Y × (POS_Y−1)). If so, the process proceeds to step S21. If not, the process proceeds to step S20.

  In step S20, since it was determined in step S19 in the preceding stage that the input Y coordinate is outside the effective display area of the target display device, the clip processing unit 24 sets the output Y coordinate to the minimum effective display area. Clip to the Y coordinate (WIDTH_Y × (POS_Y−1)), and the process ends.

  In step S21, since the input Y coordinate is the Y coordinate in the effective display area of the target display device, the clip processing unit 24 outputs the output Y coordinate as it is to the host 30 and ends the processing.

  In this way, touch coordinates (X coordinate, Y coordinate) input by the user using the touch sensor are output from the display device 10 to the host 30, and the drawing information generation unit 32 of the host 30 generates drawing information based on the touch coordinates. . And the drive part 33 displays on each display apparatus as one screen display in a multi-display structure based on drawing information.

  According to the example of FIG. 5, the XY coordinates are output from the display device 10 to the host 30 as follows. The display devices D1 and D4 will be described as an example, but the same applies to the display devices D2 and D3.

In the case of the display device D1, the input x-coordinate: input_x is
If input_x <1920 is negative, clip output_x = 1919
If input_x ≧ 0 is not satisfied, clip output_x = 0
Otherwise, set output_x = input_x,
Is done.

Also, the input y coordinate: input_y is
If input_y <1080 is not, clip output_y = 1079,
If input_y ≧ 0 is not, clip to output_y = 0,
Otherwise, set output_y = input_y,
Is done.

  Thus, (output_x, output_y) is output to the host 30 as the output coordinates of the display device D1.

Similarly, in the case of the display device D4, the input x coordinate: input_x is respectively
If input_x <3840 is NO, clip output_x = 3839,
If input_x ≧ 1920 is not, clip to output_x = 1920,
Otherwise, set output_x = input_x,
Is done.

Also, the input y coordinate: input_y is
If input_y <2160 is not satisfied, clip output_y = 2159,
If input_y ≧ 1080 is negative, clip output_y = 1080,
Otherwise, set output_y = input_y,
Is done.

  Thus, (output_x, output_y) is output to the host 30 as the output coordinates of the display device D4.

  As described above, a plurality of display devices constituting the multi-display are regarded as one display, and the coordinates are clipped to the effective display region even in the touch operation outside the effective display region between the display devices. The operation system similar to that at the time of single display can be provided even when a multi-display is configured.

<Second Embodiment>
FIG. 6 is an explanatory diagram illustrating a multi-display display system according to the second embodiment of the present invention.

  The display system of FIG. 6 includes a display device 50 (50a, 50b) and a host 70 that controls display of these devices. The same parts as those of the display system of the first embodiment in FIG.

The difference from the first embodiment is as follows.
The display device 50 (50a, 50b) outputs the coordinates of the adjacent edges to the host 70 as they are even if the coordinates are outside the effective display area. The host 70 which is a display control portion clips a value larger than X = 1919 in the coordinate output from the display device 50a and a value smaller than x = 1920 in the coordinate output from the display device 50b. To do. Thereby, even when the edges adjacent to each other are touched, the touch result can be prevented from being reflected on the other adjacent display.

  FIG. 7 is a block diagram illustrating a display system according to the second embodiment. The same parts as those in the first embodiment in FIG. 2 are denoted by the same reference numerals, and detailed description thereof is omitted.

In FIG. 7, clip processing is performed by the host 70. Accordingly, the main control unit 60 (60a, 60b) of the display device 50 (50a, 50b) includes a control unit (drive / capacitance value reception unit) 61 (61a, 61b), a capacitance change detection unit 62 (62a, 62b), The touch recognition processing unit 63 (63a, 63b) is provided, and the clip processing unit is not provided.
The host 70 also includes a clip processing unit 71, a drawing information generation unit 72, and a driving unit 73.

The clip processing unit 71 of the host 70 identifies the location where the coordinate information outside the effective display area overlaps with respect to the coordinate information input from the main control unit 60 (60a, 60b) of the display device 50 (50a, 50b). Based on (device ID and the like) and display configuration information, a process of clipping to the coordinates of the edge boundary of the effective display area of the display device that performed the touch operation is performed. In this way, by performing the clipping process, the coordinate overlapping with the adjacent display device is canceled.
The main control unit 60 and the host 70 are collectively referred to as an information display control device 80.

FIG. 8 is a conceptual diagram of clip processing in the second embodiment.
As shown in FIG. 8, when two displays (1920 × 1080) are arranged horizontally, the resolution of the display is 3840 × 1080.
The left display unit 12a is set to device ID = 1, and the right display unit 12b is set to device ID = 2. The touch recognition processing unit 63 (63a, 63b) in the main control unit 60 (60a, 60b) of each display device outputs the detected coordinates to the host 70 as they are. As shown in FIG. 8, in the display unit 12a, the effective area 14a of the touch sensor exists beyond the effective display area 13a. In the display unit 12b, the effective area 14b of the touch sensor exists beyond the effective display area 13b. Accordingly, when the effective display areas 13a and 13b are coordinated as one screen, the touch sensor effective areas 14a and 14b outside the effective display area respectively exist as areas overlapping with the coordinates of the effective display area of the adjacent display device. become.

  On the host 70 side, when a touch operation is performed on the overlapping portions 14a and 14b of the coordinates, the touch coordinates in the overlapping state are output from the display devices 50a and 50b, so depending on which display device is the touch coordinates. The display control is performed after the touch coordinates are clipped as in the first embodiment. Note that clip processing is performed with appropriate values for the outer peripheries of the plurality of displays.

  FIG. 9 is a flowchart showing clip processing in the second embodiment. This is for processing when a touch operation is performed and touch coordinates are input to the host 70.

  In step S <b> 31, the clip processing unit 71 of the host 70 determines whether there is an input from the display device 50. If there is an input, the process proceeds to step S32. If there is no input, the process ends.

  In step S32, the clip processing unit 71 checks the device ID, determines which display device 50 the input is from, and proceeds to step S33.

  In step S33, since the input source has been determined, the clip processing unit 71 sets the position (placement information) of the display device from the configuration number information as POS_X, POS_Y, and proceeds to step S34. This configuration number information is stored in a storage unit (not shown) of the host 70, and the set arrangement information is also stored in this storage unit.

  In step S34, the clip processing unit 71 determines whether or not the input X coordinate is smaller than the result of multiplying the maximum resolution in the X direction of the display device and the position (placement information) in the X direction (WIDTH_X × POS_X). . If it is smaller, the process proceeds to step S36, and if not, the process proceeds to step S35.

  In step S35, since it is determined in step S34 in the previous stage that the input X coordinate is outside the effective display area of the target display device, the clip processing unit 71 sets the output X coordinate in the effective display area. Clip to the maximum X coordinate ((WIDTH_X × POS_X) −1) and go to step S39.

  In step S36, the clip processing unit 71 multiplies the input X coordinate by the number obtained by subtracting 1 from the maximum resolution in the X direction of the display device and the position (arrangement information) in the X direction (WIDTH_X × (POS_X−1)). If so, the process proceeds to step S38; otherwise, the process proceeds to step S37.

  In step S37, since it is determined in step S36 in the previous stage that the input X coordinate is outside the effective display area of the target display device, the clip processing unit 71 converts the output X coordinate to the effective display area. Clip to the minimum X coordinate (WIDTH_X × (POS_X−1)), and proceed to step S39.

  In step S38, since the input X coordinate is the X coordinate in the effective display area of the target display device, the clip processing unit 71 outputs the output X coordinate as it is, and proceeds to step S39.

  In step S39, the clip processing unit 71 determines whether or not the input Y coordinate is smaller than the result of multiplying the maximum resolution in the Y direction of the display device by the position in the Y direction (WIDTH_Y × POS_Y). If it is smaller, the process proceeds to step S41, and if not, the process proceeds to step S40.

  In step S40, since it is determined in step S39 in the previous stage that the input Y coordinate is outside the effective display area of the target display device, the clip processing unit 71 sets the output Y coordinate in the effective display area. Clip to the maximum Y coordinate ((WIDTH_Y × POS_Y) −1), and the process ends.

  In step S41, the clip processing unit 71 is equal to or greater than the result of multiplying the input Y coordinate by the Y-direction resolution of the display device and the number obtained by subtracting 1 from the Y-direction position (WIDTH_Y × (POS_Y−1)). If so, the process proceeds to step S43, and if not, the process proceeds to step S42.

  In step S42, since it is determined in step S41 in the previous stage that the input Y coordinate is outside the effective display area of the target display device, the clip processing unit 71 sets the output Y coordinate in the effective display area. Clip to the minimum Y coordinate (WIDTH_Y × (POS_Y−1)), and the process ends.

  In step S43, since the input Y coordinate is the Y coordinate in the effective display area of the target display device, the clip processing unit 71 outputs the output Y coordinate as it is, and ends the processing.

  Thus, the touch coordinates (X coordinate, Y coordinate) input by the touch sensor by the user are output from the display devices 50a and 50b, and the clip processing unit 71 of the host 70 performs the clip processing on the overlapping coordinate portion of the touch coordinates, The drawing information generation unit 72 of the host 70 generates drawing information based on the touch coordinates. And the drive part 73 displays on each display apparatus as one screen display in a multi-display structure based on drawing information.

FIG. 10 is an explanatory diagram illustrating an example of a device ID and display configuration information in the second embodiment.
In the case of a 2 × 2 four-sided display, for example, when Device ID = 3 is set in Display 3, reference is made to the display configuration information, and (POS_X, POS_Y) = (1, 2) is obtained. The process of S33 of No. 9 is performed.

  In this way, if the table in which the device ID and the configuration information (POS_X, POS_Y) are associated is set for each number of configurations and each arrangement, the configuration information and the display are associated with each other simply by associating each display with the device ID. It is done. Thus, even if the number of displays to be displayed is dynamically changed among m × n (m and n are natural numbers) multi-display configurations, it is possible to cope by setting each configuration information in advance. Become.

  The program that operates in the information display control apparatus according to the present invention may be a program that controls a CPU (Central Processing Unit) or the like (a program that causes a computer to function) so as to realize the functions of the above-described embodiments related to the present invention. good. Information handled by these devices is temporarily stored in RAM (Random Access Memory) during the processing, and then stored in various ROMs such as Flash ROM (Read Only Memory) and HDD (Hard Disk Drive). Reading, correction, and writing are performed by the CPU as necessary. In addition, a program for realizing the function of each component may be recorded on a computer-readable recording medium, and the program recorded on the recording medium may be read into a computer system and executed to perform processing of each unit. Good. Here, the “computer system” includes an OS and hardware such as peripheral devices.

  The “computer-readable recording medium” refers to a storage device such as a flexible medium, a magneto-optical disk, a portable medium such as a ROM and a CD-ROM, and a hard disk incorporated in a computer system. Furthermore, the “computer-readable recording medium” dynamically holds a program for a short time like a communication line when transmitting a program via a network such as the Internet or a communication line such as a telephone line. In this case, a volatile memory in a computer system serving as a server or a client in that case, and a program that holds a program for a certain period of time are also included. The program may be a program for realizing a part of the functions described above, and may be a program capable of realizing the functions described above in combination with a program already recorded in a computer system.

  As described above, the embodiments of the present invention have been described in detail with reference to the drawings. However, the specific configuration is not limited to these embodiments, and the invention may be changed in design without departing from the gist of the present invention. Is also included.

10: Display device 11: Touch sensor 12: Display unit 20: Main control unit 21: Control unit 22: Capacitance change detection unit 23: Touch recognition processing unit 24: Clip processing unit 30: Host computer 31: Multi-display control unit 32: Drawing information generation unit 33: drive unit 40: information display control device 50: display device 60: main control unit 61: control unit 62: capacity change detection unit 63: touch recognition processing unit 70: host computer 71: clip processing unit 72: Drawing information generating unit 73: driving unit 80: information display control device

Claims (6)

An information display control device that displays a single screen by arranging a plurality of display devices including a plurality of display screens for displaying information and a touch sensor capable of detecting an input to the display screen,
A touch recognition processing unit for recognizing a touch operation on the display screen from a detection result of the touch sensor;
When the touch recognition processing unit determines that the edge of the effective display area of the adjacent display screens of the display devices has been reached, the touch coordinate of the touch operation outside the effective display area is determined as the edge boundary position of the effective display area. Clip processing unit that outputs the touch coordinates with the other coordinates as they are,
A drawing information generation unit that generates drawing information according to touch coordinates from the clip processing unit;
An information display control device comprising: An information display control device that displays a single screen by arranging a plurality of display devices including a plurality of display screens for displaying information and a touch sensor capable of detecting an input to the display screen,
A touch recognition processing unit that recognizes a touch operation on the display screen from a detection result of the touch sensor and outputs touch coordinates;
When it is determined that the touch coordinates are outside the effective display area and overlap with the coordinates of the effective display area of the adjacent display device, the touch coordinates are clipped to the coordinates of the effective display area of the display device, and otherwise The clip processing unit that outputs the touch coordinates as is,
A drawing information generation unit that generates drawing information according to the coordinates from the clip processing unit;
An information display control device comprising: A storage unit for storing configuration information related to the arrangement of the display device;
The information display control device according to claim 1, wherein the clip processing unit specifies coordinates to clip based on the configuration information. An information display control method for displaying a single screen by arranging a plurality of display devices including a plurality of display screens for displaying information and a touch sensor capable of detecting an input to the display screen,
A touch recognition processing step for recognizing a touch operation on the display screen from a detection result of the touch sensor;
When the touch recognition processing step determines that the edge of the effective display area of the adjacent display screens of the display devices has been reached, the touch coordinate of the touch operation outside the effective display area is determined as the edge boundary position of the effective display area. A clip processing step for clipping the output and outputting the touch coordinates while leaving the other coordinates as they are,
A drawing information generating step for generating drawing information in accordance with the touch coordinates obtained in the clip processing step;
An information display control method comprising: An information display control method for displaying a single screen by arranging a plurality of display devices including a plurality of display screens for displaying information and a touch sensor capable of detecting an input to the display screen,
A touch recognition processing step of recognizing a touch operation on the display screen from a detection result of the touch sensor and outputting touch coordinates;
When it is determined that the touch coordinates are outside the effective display area and overlap with the coordinates of the effective display area of the adjacent display device, the touch coordinates are clipped to the coordinates of the effective display area of the display device, and otherwise Clip processing step that outputs the touch coordinates as is,
A drawing information generation step for generating drawing information according to the coordinates obtained in the clip processing step;
An information display control method comprising:   The program for making a computer perform each step of the information display control method of Claim 4 or 5.

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