WO2020237582A1 - Display screen configuration method and configuration system, tiled display screen and display screen configuration parameter generation method - Google Patents

Abstract

A display screen (130) configuration method, a display screen configuration system (100), a tiled display screen (130) and a display screen configuration parameter generation method (130). The display screen (130) configuration method comprises: a parameter receiving step (S15), a pattern generation step (S16), an image synthesis step (S17a), a parameter generation step (S17b) and an image display step (S19). A mark pattern with a rotation angle is generated on the basis of configuration parameters, then synthesis processing is performed on the mark pattern and a target image in a display screen (130) to obtain an output image, and then the output image is sent to display units (133) of the display screen (130) for performing image clipping and displaying operations; in this way, a user can quickly determine, by viewing the display state of the mark pattern on the display unit (133), and according to the display state of the observed mark pattern, whether the rotation angle in the configuration parameters is consistent with the installation angle of a corresponding display unit (133), thereby achieving correct configuration of the display screen (130).

Description

Display screen configuration method, configuration system, spliced display screen and display screen configuration parameter generation method Technical field

This application relates to the field of display technology, and in particular to a display screen configuration method, a display screen configuration system, a spliced display screen, and a display screen configuration parameter generation method.

Background technique

Spliced display screens such as LED display screens are composed of multiple display units, such as LED boxes (or LED modules). Each LED box is composed of one or more LED light panels. Multiple LED boxes The combination method and shape of the body are not the same; with the continuous development of LED display manufacturing technology, the shape of the LED display has the previous regular shapes (such as rectangles, squares), etc., evolved into various irregular shapes and rotating LEDs. Display screens, and these LED displays of different shapes or rotating placement need to be configured through the corresponding display configuration software (or called screen configuration software) to obtain the display in each LED box (LED module) After the image of the control card is intercepted, the LED display can display correctly. For the rotating LED display, the user cannot accurately know the installation angle of the LED display, so the screen configuration software cannot quickly adjust the rotation angle of the virtual LED box on the software interface to correctly configure the display to ensure the image is positive. Displayed (displayed upright).

Summary of the invention

The embodiments of the present application provide a display screen configuration method, a display screen configuration system, a spliced display screen, and a display screen configuration parameter generation method to achieve the technical effect of quickly and correctly configuring the display screen.

On the one hand, a display screen configuration method proposed in an embodiment of the present application includes: a parameter receiving step of receiving configuration parameters of each of the multiple display units of the target display screen, wherein the configuration parameters include a rotation angle And position parameters; a pattern generating step, generating a marking pattern with a rotation angle corresponding to the display unit according to the configuration parameters of each display unit; an image synthesis step, combining each of the display units The mark pattern with the rotation angle is synthesized with the target image in the target display screen to obtain an output image; a parameter generation step, a display control card of the display unit is generated according to the configuration parameters of each display unit Required image interception parameters; and an image display step, in which the display control card of each display unit acquires its own image data in the output image according to the image interception parameters to obtain the intercepted image, and displays all The captured image is on the display unit for the user to check whether the marking pattern with the rotation angle of the display unit matches the edge of the display unit.

In an embodiment of the present application, the display screen configuration method further includes: a parameter acquisition step, in response to a user input operation, rotating a plurality of virtual units one-to-one corresponding to the plurality of display units on the software interface of the host computer To obtain the configuration parameters of each display unit; and a parameter sending step of sending the configuration parameters of each display unit to the sending card of the target display screen, wherein each The display control card of each of the display units is connected to the sending card.

In an embodiment of the present application, the host computer executes the pattern generation step, and the sending card executes the parameter receiving step, the image synthesis step, and the parameter generation step.

In an embodiment of the present application, the sending card executes the parameter receiving step, the pattern generation step, the image synthesis step, and the parameter generation step.

In an embodiment of the present application, the marking pattern is a ring-shaped frame pattern, and the line width of the ring-shaped frame pattern is the width of multiple pixels of the output image.

In an embodiment of the present application, the position parameter includes the serial number of the sending card, the serial number of the loading port, and the serial number of the display control card position.

In an embodiment of the present application, the parameter acquisition step specifically includes: in response to the input operation of the user selecting the target virtual unit, displaying the rotation center and the rotation point of the target virtual unit on the software interface and connecting to the A rotating rod with an initial length between the center of rotation and the rotation point; in response to the user's input operation of pressing the mouse pointer and dragging the mouse pointer in the designated area containing the rotation point, the target virtual unit follows the mouse The movement of the pointer is rotated and the position of the rotation point is changed following the movement of the mouse pointer; in the process of dragging the mouse pointer, according to the coordinates of the rotation center, the coordinates of the starting position of the mouse pointer and the position The current position point coordinates of the mouse pointer are calculated to calculate the rotation angle of the target virtual unit; and in response to the user's input operation of releasing the mouse pointer, the target virtual unit is obtained based on the rotation angle of the target virtual unit. The rotation angle in the configuration parameter of the display unit.

In an embodiment of the present application, the parameter acquisition step further includes: in the process of dragging the mouse pointer, using the rotation center and the current position of the mouse pointer as the two end points of the rotating rod, respectively To set and display the rotating rod; and after the user releases the mouse pointer, restore the rotating rod to the initial length.

On the other hand, a display screen configuration system provided by an embodiment of the present application includes: a host computer; and a target display screen, including a sending card and multiple display units connected to the sending card. Wherein, the host computer is used to generate a marking pattern with a rotation angle corresponding to the display unit according to the configuration parameters of each display unit. The sending card is connected to the host computer, and is used to: receive the configuration parameters of each of the display units, where the configuration parameters include rotation angle and position parameters; and connect the belts of each display unit The mark pattern of the rotation angle is synthesized with the target image in the target display screen to obtain an output image; and the image required by the display control card of the display unit is generated according to the configuration parameters of each display unit Intercept parameters. The display control card of each display unit is connected to the sending card, and is used to: obtain its own image data in the output image according to the image interception parameter to obtain a intercepted image, and display the intercepted image On the display unit, the user can check whether the marking pattern with the rotation angle of the display unit matches the edge of the display unit.

In an embodiment of the present application, the host computer is further configured to: in response to a user input operation, rotate at least one virtual unit of the multiple virtual units corresponding to the multiple display units one-to-one on the software interface to Obtaining the configuration parameters of each of the display units; and sending the configuration parameters of each of the display units to the sending card.

In an embodiment of the present application, the marking pattern is a ring-shaped frame pattern, and the line width of the ring-shaped frame pattern is a width of multiple pixels of the output image.

In an embodiment of the present application, the host computer is specifically configured to: respond to the input operation of the user selecting the target virtual unit, display the rotation center and the rotation point of the target virtual unit on the software interface and connect to the A rotating rod with an initial length between the center of rotation and the rotation point; in response to the user's input operation of pressing the mouse pointer and dragging the mouse pointer in the designated area containing the rotation point, the target virtual unit follows the mouse The movement of the pointer is rotated and the position of the rotation point is changed following the movement of the mouse pointer; in the process of dragging the mouse pointer, according to the coordinates of the rotation center, the coordinates of the starting position of the mouse pointer and the position The current position point coordinates of the mouse pointer are calculated to calculate the rotation angle of the target virtual unit; and in response to the user's input operation of releasing the mouse pointer, the target virtual unit is obtained based on the rotation angle of the target virtual unit. The rotation angle in the configuration parameter of the display unit.

In an embodiment of the present application, the host computer is also specifically used to: in the process of dragging the mouse pointer, use the rotation center and the current position of the mouse pointer as two points of the rotating rod respectively. The end point is used to set and display the rotating rod; and after the user releases the mouse pointer, the rotating rod is restored to the initial length.

In another aspect, a spliced display screen provided by an embodiment of the present application includes: multiple display units and a sending card. Wherein, the sending card is used to: receive the configuration parameters of each of the display units, where the configuration parameters include rotation angle and position parameters; and generate and communicate with the display unit according to the configuration parameters of each display unit Corresponding marking pattern with rotation angle; synthesizing the marking pattern with rotation angle of each display unit and the target image in the target display screen to obtain an output image; and according to each The configuration parameters of the display unit generate image interception parameters required by the display control card of the display unit. The display control card of each display unit is connected to the sending card, and is used to: obtain its own image data in the output image according to the image interception parameters to obtain the intercepted image, and display that the intercepted image is in the On the display unit, the user can check whether the marking pattern with the rotation angle of the display unit matches the edge of the display unit.

In an embodiment of the present application, the marking pattern is a ring-shaped frame pattern, and the line width of the ring-shaped frame pattern is a width of multiple pixels of the output image.

In another aspect, the display configuration parameter generation method provided by the embodiment of the present application is suitable for generating configuration parameters to configure the target display screen; the display configuration parameter generation method includes: responding to an input operation of a selected target virtual unit , Displaying the rotation center and the rotation point of the target virtual unit and the rotation rod connected between the rotation center and the rotation point and having an initial length, wherein the target virtual unit is a multiple of the target display screen. Each display unit corresponds to at least one of the multiple virtual units; in response to the input operation of pressing the mouse pointer and dragging the mouse pointer in the designated area containing the rotation point, the target virtual unit is made to follow the mouse pointer The movement of the mouse pointer is rotated, and the position of the rotation point is changed following the movement of the mouse pointer; in the process of dragging the mouse pointer, according to the coordinates of the center of rotation, the coordinates of the starting position of the mouse pointer and the The current position point coordinates of the mouse pointer are calculated to calculate the rotation angle of the target virtual unit; and in response to the input operation of releasing the mouse pointer, the display corresponding to the target virtual unit is obtained based on the rotation angle of the target virtual unit The rotation angle in the configuration parameter of the unit.

In an embodiment of the present application, the method for generating display screen configuration parameters further includes: in the process of dragging the mouse pointer, using the rotation center and the current position of the mouse pointer as the rotation rod The two end points are used to set and display the rotating rod; and after the mouse pointer is released, the rotating rod is restored to the initial length.

The embodiment of this application generates a marking pattern with a rotation angle based on configuration parameters, and then synthesizes the marking pattern with the target image in the display screen to obtain an output image, and then sends the output image to each display unit of the display screen for image interception and Display operation, in this way, the user can view the display status of the mark pattern on each display unit, and quickly determine whether the rotation angle in the configuration parameter is consistent with the installation angle of the corresponding display unit based on the observed display state of the mark pattern , To achieve the correct configuration of the display.

Description of the drawings

In order to explain the technical solutions of the embodiments of the present application more clearly, the following will briefly introduce the drawings needed in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative work, other drawings can be obtained based on these drawings.

FIG. 1A is a flowchart of a method for configuring a display screen according to the first embodiment of the application.

FIG. 1B is a schematic structural diagram of a display screen configuration system suitable for implementing the display screen configuration method shown in FIG. 1A.

FIG. 1C is a schematic diagram of a marking pattern with a rotation angle in the first embodiment of the application.

FIG. 1D is a diagram showing the display effect of each display unit of the display screen when the marking pattern is not set.

Fig. 1E is a display effect diagram of each display unit in the display screen displaying a mark pattern with a rotation angle.

FIG. 1F is a flowchart of another implementation manner of the display screen configuration method in the first embodiment of this application.

FIG. 1G is a schematic diagram of the display state of multiple virtual units on the software interface in the first embodiment of the application.

2A is a flowchart of a method for configuring a display screen according to the second embodiment of the application.

2B is a flowchart of another implementation manner of the display screen configuration method according to the second embodiment of this application.

3A, 3B, and 3C are schematic diagrams of the process of rotating a single virtual unit in the third embodiment of this application.

4A and 4B are schematic diagrams of the process state of simultaneously rotating multiple virtual units in the third embodiment of this application.

5A and 5B are schematic diagrams of the process state of rotating virtual unit combination in the third embodiment of this application.

6A and 6B are schematic diagrams of the process states of some virtual units in the rotating virtual unit combination in the third embodiment of this application.

7A and 7B are schematic diagrams of the operation principle of the rotation centers of two mobile virtual units in the third embodiment of the application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of this application.

[First embodiment]

1A and 1B, FIG. 1A is a flowchart of a display screen configuration method provided by the first embodiment of this application, and FIG. 1B is a structure of a display screen configuration system suitable for executing the display screen configuration method shown in FIG. 1A Schematic.

As shown in FIG. 1B, the display screen configuration system 100 of this embodiment includes a host computer 110 and a display screen 130. The upper computer 110 is installed with screen configuration software, such as the SmartLCT software independently developed by Xi'an Nova Electronic Technology Co., Ltd.; the upper computer 110 in this embodiment is typically a PC, such as a desktop computer or a notebook computer. The display screen 130 includes a sending card 131 and a plurality of display units 133. Each display unit 133 is connected to the sending card 131 in a cascade manner, for example, so that these display units 133 can form a single connection to the sending card 131 as shown in FIG. 1B. A series of display units with loading ports, or multiple series of display units forming a plurality of loading ports connected to the sending card 131 respectively. Each display unit 133 is equipped with a display control card 1330, which can be an LED box (or LED module), including a single LED light board or multiple LED light boards spliced together; each LED light board uses LED as a display The pixel can be an RGB full-color LED light panel (but this application is not limited to this). As far as the display screen 130 is a spliced LED display screen, the sending card 131 includes, for example, a video interface, a video decoder, a programmable logic device (such as an FPGA chip), and an Ethernet physical layer transceiver (or Ethernet PHY) connected in sequence. ) And Ethernet interface (such as RJ45 network port), correspondingly, the display control card 1330 includes, for example, an Ethernet interface, a programmable logic device, and a light board interface (or called a display board interface, such as a cable interface) connected in sequence; or , The sending card 131 includes a video interface (for video input), a video decoder, a programmable logic device, a video encoder, and a video interface (for video output) connected in sequence, and accordingly the display control card 1330 includes video connected in sequence Interface, video decoder, programmable logic device and light board interface. The video interface mentioned here is for example a digital video interface (such as HDMI, DVI, DP, etc.) or an analog video interface.

In view of the above, as shown in FIG. 1A and FIG. 1B, the display screen configuration method provided in this embodiment includes:

S15, a parameter receiving step, receiving configuration parameters of each of the multiple display units 133 of the display screen 130, where the configuration parameters include rotation angle and position parameters;

S16: a pattern generation step, generating a marking pattern with a rotation angle corresponding to the display unit 133 according to the configuration parameters of each display unit 133;

S17a: an image synthesis step, synthesize the mark pattern with a rotation angle of each display unit 133 and the target image in the display screen 130 to obtain an output image;

S17b: a parameter generation step, generating image capture parameters required by the display control card 1330 of the display unit 133 according to the configuration parameters of each display unit 133; and

S19: In the image display step, the display control card 1330 of each display unit 133 acquires its own image data in the output image according to the image interception parameters to obtain a intercepted image, and displays the intercepted image on the display unit 133 , So that the user can check whether the marking pattern with the rotation angle of the display unit 133 matches the edge of the display unit 133.

In this embodiment, the parameter receiving step (S15), image generation step (S16), image synthesis step (S17a) and parameter generation step (S17b) are executed by the sending card 131; the value range of the rotation angle is, for example, 0-360 The position parameter includes, for example, the serial number of the sending card, the serial number of the loading port, and the position serial number of the display control card. As for the algorithm used to generate the image capture parameters required by the display control card 1330 of the display unit 133 according to the configuration parameters, it is an existing mature technology, so it will not be described in detail.

Furthermore, referring to FIG. 1C, taking the number of multiple display units 133 in the display screen 130 as four as an example, four marking patterns with rotation angles are generated in the pattern generation step (S16), for example, four marking patterns with rotation angles. The line width W of the ring frame pattern BP is the width of multiple pixels of the output image, for example, the width of two pixels. In addition, the ring frame pattern BP of this embodiment is, for example, a monochrome pattern, such as a green pattern. When the rotation angle in the configuration parameter is consistent with the physical rotation angle (or placement angle/installation angle) of the corresponding display unit 133, the ring frame pattern BP is displayed in the display area of the corresponding display unit 133 and is in line with the display unit 133. The edges (for example, the outermost columns and/or rows of physical pixels of the display area) overlap, as shown in FIG. 1E, which is that each display unit 133 in the display screen 130 displays a marking pattern with a rotation angle (for example, a ring frame pattern) BP) display effect diagram; and FIG. 1D is a display effect diagram of each display unit 133 of the display screen 130 in the case where no marking pattern is set. Conversely, when the rotation angle in the configuration parameter is inconsistent with the physical rotation angle of the corresponding display unit 133, the ring frame pattern BP displayed by the corresponding display unit 133 will not coincide with the edge of the display unit 133, and the user can watch with the naked eye. Until there are illuminated physical pixels on the inner and outer sides of the displayed ring border pattern BP, that is, the rotation angle in this configuration parameter is currently inconsistent with the physical rotation angle of the corresponding display unit 133, so it is necessary to continue to adjust Configure the rotation angle in the parameters to get the correct configuration parameters. In addition, it is worth mentioning that the marking pattern of this embodiment is not limited to the closed ring frame pattern BP shown in FIG. 1C, and can also be a non-closed ring pattern, or even a U-shaped pattern, an L-shaped pattern, etc., as long as it can be used as It is sufficient for the user to judge whether the rotation angle in the configuration parameter is consistent with the physical rotation angle of the corresponding display unit 133. In addition, it is worth noting that for the display of the marking pattern on the corresponding display unit 133, it is, for example, that the sending card does not receive the configuration parameters issued by the upper computer within a certain period of time, such as 2 seconds, and the default rotation angle is correct. It disappears automatically; on the contrary, if the sending card continues to receive the new configuration parameters issued by the upper computer within the set time, the mark pattern will continue to be displayed. Furthermore, the method of determining whether the marking pattern matches the edge of the corresponding display unit 133, for example, the method of determining whether the ring-shaped frame pattern BP and the edge of the corresponding display unit 133 overlap, can be automatically determined by using image acquisition equipment combined with image analysis software. And output the judgment result for users to view.

In addition, as for the image synthesis step (S17a), the mark pattern with a rotation angle of the display unit 133 and the target image in the display screen 130 may be synthesized by the superimposition module (Blender) of the programmable logic device in the sending card 131 Processing to obtain the output image; and the target image here is, for example, a video image input to the sending card 131 through a video interface. After that, the output image is output to the display control card 1330 of each display unit 133 of the display screen 130 via a loading port of the sending card 131, such as an Ethernet interface, for the display control card 1330 to perform image capture and display.

Please refer to FIG. 1F, FIG. 1G, and FIG. 1B together, the display screen configuration method of this embodiment may further include before step S15:

S11: Parameter acquisition step, in response to the user input operation, rotate at least one of the multiple virtual units VU one-to-one corresponding to the multiple display units 133 on the software interface SWIF of the host computer 110 to obtain each display The configuration parameters of the unit 133; and

S13: Parameter sending step, sending the configuration parameters of each display unit 133 to the sending card 131 of the display screen 130.

More specifically, the parameter acquisition step (S11) and the parameter transmission step (S13) are executed by the host computer 110; taking the four virtual units VU shown in FIG. 1G as an example, the rotation angle of each virtual unit VU is the counterclockwise direction α, each The geometric centers of the virtual unit VU are connected by a trace with an arrow (the trace with an arrow can also be hidden and not displayed). The sequence numbers of the display control cards in the position parameters of the four virtual unit VUs are RC1 along the extension direction of the trace. RC2, RC3, and RC4, and the sending card serial number and loading port serial number in the position parameter are SC1 and NP1, respectively, which means that the four display units 133 corresponding to the four virtual units VU one-to-one are shared by the same sending card 131 One Ethernet interface is loaded. When the user sets the rotation angle of each virtual unit VU through mouse operation or keyboard input in the software interface SWIF, and completes the wiring of each virtual unit VU, click the [Send configuration parameters to hardware] button on the software interface SWIF (Figure Not shown in the figure), the parameter sending step (S13) can be executed, and the configuration parameters of each display unit 133 are sent to the communication interface of the sending card 131 for the sending card 131 to receive. The communication interface here may be a USB port, a serial port or a 100M Ethernet port on the sending card 131.

In summary, in this embodiment, the sending card 131 generates a marking pattern with a rotation angle based on the configuration parameters, and then synthesizes the marking pattern with the target image in the sending card 131 of the display screen 130 to obtain an output image, and then sends it The image is output to each display unit 133 of the display screen 130 for image interception and display operation. In this way, the user can view the display status of the mark pattern on each display unit 133, and can quickly judge according to the observed display state of the mark pattern Whether the rotation angle in the configuration parameter is consistent with the installation angle of the corresponding display unit 133, thereby realizing the correct configuration of the display screen 130.

[Second embodiment]

Please refer to FIGS. 2A and 1B together. This embodiment provides a display screen configuration method similar to the foregoing first embodiment, including: a parameter receiving step (S15), a pattern generation step (S16), and an image synthesis step (S17a) ), the parameter generation step (S17b) and the image display step (S19); the main difference lies in: the host computer 110 executes the pattern generation step (S16) and sends the generated marking pattern with the rotation angle to the sending card 131, and sends The card 131 executes the parameter receiving step (S15), the image synthesis step (S17a), the parameter generation step (S17b), and the image display step (S19). As for the specific details of the parameter receiving step (S15), the pattern generation step (S16), the image synthesis step (S17a), the parameter generation step (S17b), and the image display step (S19), please refer to the relevant description of the aforementioned first embodiment, so I will not repeat them here.

Furthermore, referring to Fig. 2B and Fig. 1B together, based on Fig. 2A, the display screen configuration method of this embodiment may further include:

S11: Parameter acquisition step, in response to the user input operation, rotate at least one of the multiple virtual units VU one-to-one corresponding to the multiple display units 133 on the software interface SWIF of the host computer 110 to obtain each display The configuration parameters of the unit 133; and

S13: Parameter sending step, sending the configuration parameters of each display unit 133 to the sending card 131 of the display screen 130.

More specifically, the parameter acquisition step (S11) and the parameter transmission step (S13) are executed by the host computer 110; still taking the four virtual units VU shown in FIG. 1G as an example, the rotation angle of each virtual unit VU is the counterclockwise direction α, The geometric centers of each virtual unit VU are connected by a trace with an arrow (the trace with an arrow can also be hidden and not displayed). The sequence number of the display control card in the position parameter of the four virtual unit VUs is RC1 along the extension direction of the trace. , RC2, RC3, and RC4, and the sending card serial number and loading port serial number in the position parameter are SC1 and NP1 respectively, which means that the four display units 133 corresponding to the four virtual units VU one-to-one are shared by the same sending card 131 The same Ethernet interface is loaded. When the user sets the rotation angle of each virtual unit VU through mouse operation or keyboard input in the software interface SWIF, and completes the wiring of each virtual unit VU, click the [Send configuration parameters to hardware] button on the software interface SWIF (Figure Not shown), then the parameter sending step (S13) can be executed. As for the pattern generation step (S16) performed by the host computer 110, it is performed after clicking the [Send configuration parameters to hardware] button on the software interface SWIF, and the obtained marking pattern with rotation angle will be sent by the host computer 110 to Send card 131. In this embodiment, the marking pattern with rotation angle generated by the host computer 110 is sent to the communication interface of the sending card 131 (for example, a USB port, a serial port, or a 100M Ethernet port) instead of a video interface.

To sum up, in this embodiment, the host computer 110 generates a marking pattern with a rotation angle based on the configuration parameters and sends it to the sending card 131 of the display screen 130, and then the sending card 11 combines the marking pattern with the sending card 131. The target image is synthesized to obtain the output image, and then the output image is sent to each display unit 133 of the display screen 130 for image interception and display operation. In this way, the user can view the display status of the mark pattern on each display unit 133, and then The observed display state of the mark pattern quickly determines whether the rotation angle in the configuration parameter is consistent with the installation angle of the corresponding display unit 133, thereby realizing the correct configuration of the display screen 130.

[Third embodiment]

Referring to FIGS. 3A to 7A, a screen configuration software that can implement the parameter acquisition step (S11) in the foregoing embodiment will be described in detail below, and the screen configuration software is suitable for installation on the host computer 110.

Specifically, the screen configuration software of this embodiment may have the following functions:

(i) Single virtual unit rotation

As shown in Figure 3A, when the user selects a virtual unit with the mouse pointer, the rotation center and rotation point of the selected virtual unit and the rotation rod connected between the rotation center and the rotation point and the initial length will be displayed on the software interface. The circular area in the dashed frame DLR1 in FIG. 3A is the rotation point, and the circular area in the dashed frame DLR2 whose center is the black dot is the rotation center. As shown in FIG. 3B, the mouse pointer is pressed in the designated area such as DLR1 where the rotation point is located, and then the mouse pointer is dragged. The virtual unit rotates with the movement of the mouse pointer. When the mouse pointer is dragged, the rotation point moves with the mouse pointer. As shown in FIG. 3C, after the mouse pointer is released (for example, the user releases the left mouse button), the rotating rod (the dashed line in FIG. 3C) restores its original length.

(ii) Multiple virtual units rotate simultaneously;

As shown in FIG. 4A, after selecting multiple virtual units (for example, nine virtual units), the rotating rods of all the selected virtual units are visible. As shown in FIG. 4B, if any selected virtual unit is rotated according to the aforementioned operation mode (i), all the selected virtual units are rotated together.

(iii) Rotate after virtual unit combination

Multiple virtual units can be combined, and the overall operation can be performed after the combination; after multiple virtual units are combined, the rotation center of all virtual units in the combination and the combined rotation center (for example, the center in Figure 5A is the circular area with the black dot) position Consistent. Use the mouse pointer to click any virtual unit in the combination to select the combination. After the combination is selected, the combined rotating rod will be displayed, and the respective rotating rods of the cabinet will not be displayed, as shown in Figure 5A. When the combination is rotated according to the aforementioned operation mode (i), all virtual units in the combination are rotated at the combined rotation center and rotation angle, as shown in Fig. 5B. The rotation of multiple combinations can refer to the rotation of a single combination and multiple virtual units.

(iv) The combined virtual unit and the uncombined virtual unit rotate at the same time

The selected virtual unit includes, for example, combined and uncombined virtual units. Drag any rotation point according to the aforementioned operation method (i), and all selected virtual units and selected combinations are rotated.

(v) Part of the virtual unit in the rotation group

As shown in Figure 6A, select part of the virtual unit in the combination (for example, the virtual unit in the lower right corner), and display the rotation rod of the selected virtual unit, and the combined rotation rod is invisible; according to the operation method of (i), any selected virtual unit Unit rotation, all selected virtual units are rotated, as shown in Figure 6B.

(vi) Movement of the center of rotation

The center of rotation can be moved in two ways:

As shown in Figure 7A, click the arrow button on the software interface (for example, any one of the nine arrow buttons in Figure 7A), the rotation center will move to the corresponding position of the virtual unit according to the clicked button; for example, click in nine directions The middle button of the key button, the display state of the virtual unit on the software interface is the virtual unit shown on the left side of Figure 7A; afterwards, when you click the bottom right button of the nine arrow buttons, the display state of the virtual unit on the software interface is In the virtual unit shown on the right side of Fig. 7A, the rotating rod moves with the center of rotation.

Furthermore, by dragging the center of rotation with the mouse pointer, this method can only move one center of rotation at a time. As shown in Figure 7B, press the mouse pointer on the rotation center of the virtual unit on the left side of Figure 7B, and drag the rotation center to drag the rotation center of the virtual unit to any position, for example, drag the rotation center to the virtual unit On the right side, the virtual unit is shown on the right side of Figure 7B after dragging. The drag operation of the combined rotation center is the same as the rotation center of a single virtual unit. After the combined rotation center is moved, the rotation centers of all virtual units in the combination are consistent with the combined rotation center.

In view of the above, this embodiment uses the rotating rod to rotate the virtual unit, which increases or decreases the angle of rotation of the rotating rod on the basis of the original angle of the virtual unit. The rotation bar is visible when the virtual unit is selected. The rotation operation requires the mouse pointer to be pressed in the designated area where the rotation point is located, and then drag the mouse pointer to form an angle with the pressed position. This angle is added to the virtual unit rotation Rotate by angle.

Calculation of the rotation angle of the rotating rod:

According to the law of cosines:

Because of the monotonicity of the cosine function on [0, π], the angle calculation formula can be derived:

The rotation center pointCenter is known, the starting point is the point where the mouse pointer (or cursor, cursor) is pressed, pointStart (the starting position of the mouse pointer), and the point End (the current position of the mouse pointer) after the mouse pointer is moved. The coordinates of the three points can be calculated to form the three side lengths of the triangle, and then according to the aforementioned angle calculation formula, the rotation angle A can be calculated. Then add the angle A to the original angle A0, that is, A0=A0+A. This calculation process is only one movement processing, one mouse pointer drag will have many such processing, so after the above calculation is completed, the last end point is used as the next start point, that is, pointStart=pointEnd, the value of pointEnd Get the current position in the mouse pointer movement event; this process loops until the mouse pointer pops up (or released). If multiple virtual units are selected, only one virtual unit is operated, and each virtual unit is processed according to the above procedure.

In addition, the processing of the rotating rod: the mouse pointer is dragged after the rotating point is pressed, the rotating point moves with the mouse pointer, and the rotating rod is extended or shortened. After the mouse pointer is released, the rotating rod returns to its original length. specifically:

(a) Before rotating: the rotating rod of the selected virtual unit is visible and is the initial length;

(b) When the mouse pointer is dragged: Set the rotating rod with the center of rotation as the starting point of the rotating rod and the position of the mouse pointer as the end point of the rotating rod;

(c) After the mouse pointer is released: the current rotation angle A0 of the virtual unit is used as the rotation angle ANG of the rotating rod, starting from 0 degrees, the position of the rotation point at the initial length of the rotating rod is pointStart as the starting point, and the rotation center pointCenter of the virtual unit As the center of rotation of the rotation point, according to the deformation formula of the law of cosines, calculate the position of the rotation point pointEnd, the angle is calculated in radians, the angle radian=ANG*π/180

pointEnd.x=(pointStart.x-pointCenter.x)*cos(radian)-(pointStart.y-pointCenter.y)*sin(radian)+pointCenter.x;

pointEnd.y=(pointStart.x-pointCenter.x)*sin(radian)+(pointStart.y-pointCenter.y)*cos(radian)+pointCenter.y;

Using the above two coordinate calculation formulas, calculate the position of the rotation point when the rotating rod is rotated to the current angle ANG after the mouse pointer is released. Set the starting point of the rotating rod as the center of rotation pointCenter, and the end point as the coordinate pointEnd of the rotating point. Set to pointEnd.

To sum up, this embodiment is based on the rotation mechanism of the rotating rod at any angle and even the rotation center is adjustable, allowing the user to rotate the virtual unit corresponding to each display unit one-to-one during the process of configuring each display unit of the display screen. The virtual unit can be rotated simply and intuitively, and real-time effects can be seen; the mechanism is free to operate and can be rotated at any time from 0 to 360 degrees. The rotation process is continuous, which improves the user experience.

In addition, it can be understood that the foregoing embodiments are only exemplary descriptions of the present application, and the technical solutions of the various embodiments can be combined arbitrarily, provided that the technical features do not conflict, the structure does not contradict, and does not violate the purpose of the invention of the present application. For use with.

In the several embodiments provided in this application, it should be understood that the disclosed system, device and/or method may be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units/modules is only a logical function division. In actual implementation, there may be other division methods, for example, multiple units or modules may be Combined or can be integrated into another system, or some features can be ignored or not implemented. In addition, the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.

The unit/module described as a separate component may or may not be physically separated, and the component displayed as a unit/module may or may not be a physical unit, that is, it may be located in one place, or may be distributed to multiple channels. On the network unit. Some or all of the units/modules can be selected according to actual needs to achieve the objectives of the solutions of the embodiments.

In addition, each functional unit/module in each embodiment of the present application may be integrated into one processing unit/module, or each unit/module may exist alone physically, or two or more units/modules may be integrated into one. Unit/module. The above-mentioned integrated unit/module can be realized in the form of hardware, or in the form of hardware plus software functional unit/module.

The above-mentioned integrated unit/module implemented in the form of a software functional unit/module may be stored in a computer readable storage medium. The above-mentioned software functional unit is stored in a storage medium and includes several instructions to make one or more processors of a computer device (which may be a personal computer, a server, or a network device, etc.) execute the methods described in the various embodiments of this application Part of the steps. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disks or optical disks, etc., which can store program codes Medium.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the application, not to limit them; although the application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions recorded in the foregoing embodiments are modified, or some of the technical features are equivalently replaced; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims (17)

A display screen configuration method includes: The parameter receiving step is to receive configuration parameters of each of the multiple display units of the target display screen, wherein the configuration parameters include rotation angle and position parameters; A pattern generating step, generating a marking pattern with a rotation angle corresponding to the display unit according to the configuration parameters of each display unit; In an image synthesis step, the mark pattern with a rotation angle of each display unit is synthesized with the target image in the target display screen to obtain an output image; A parameter generation step of generating image capturing parameters required by the display control card of the display unit according to the configuration parameters of each display unit; and In the image display step, the display control card of each display unit obtains its own image data in the output image according to the image interception parameters to obtain a intercepted image, and displays the intercepted image on the display unit , For checking whether the marking pattern with the rotation angle of the display unit matches the edge of the display unit. The display screen configuration method according to claim 1, further comprising: In the parameter acquisition step, in response to a user input operation, rotate at least one virtual unit of the multiple virtual units one-to-one corresponding to the multiple display units on the software interface of the host computer to obtain the Configuration parameters; and The parameter sending step is to send the configuration parameters of each display unit to the sending card of the target display screen, wherein the display control card of each display unit is connected to the sending card. The display screen configuration method according to claim 2, wherein the host computer executes the pattern generation step, and the sending card executes the parameter receiving step, the image synthesis step, and the parameter generation step. 3. The display screen configuration method according to claim 2, wherein the sending card executes the parameter receiving step, the pattern generation step, the image synthesis step, and the parameter generation step. 3. The display screen configuration method of claim 1, wherein the marking pattern is a ring frame pattern, and the line width of the ring frame pattern is a width of multiple pixels of the output image. The display screen configuration method according to claim 1, wherein the position parameter includes a serial number of a sending card, a serial number of a loading port, and a position serial number of a display control card. The display screen configuration method according to claim 2, wherein the parameter obtaining step specifically includes: In response to the input operation of selecting the target virtual unit, display on the software interface the rotation center and the rotation point of the target virtual unit and the rotation rod connected between the rotation center and the rotation point and having an initial length; In response to the input operation of pressing the mouse pointer and dragging the mouse pointer in the designated area containing the rotation point, the target virtual unit is rotated following the movement of the mouse pointer, and the rotation point is caused to follow the movement of the mouse pointer. Make a position change; In the process of dragging the mouse pointer, calculating the rotation angle of the target virtual unit according to the coordinates of the rotation center, the coordinates of the starting position of the mouse pointer, and the coordinates of the current position of the mouse pointer; and In response to the input operation of releasing the mouse pointer, the rotation angle in the configuration parameter of the display unit corresponding to the target virtual unit is obtained based on the rotation angle of the target virtual unit. 8. The display screen configuration method according to claim 7, wherein the parameter obtaining step further comprises: In the process of dragging the mouse pointer, use the rotation center and the current position of the mouse pointer as the two end points of the rotation rod to set and display the rotation rod; and After releasing the mouse pointer, the rotating rod is restored to the initial length. A display screen configuration system, including: Host computer; and The target display screen includes a sending card and multiple display units connected to the sending card; Wherein, the host computer is used for: Generating a marking pattern with a rotation angle corresponding to the display unit according to the configuration parameters of each display unit; The sending card is connected to the upper computer and is used for: Receiving the configuration parameters of each of the display units, where the configuration parameters include rotation angle and position parameters; Synthesize the mark pattern with the rotation angle of each display unit and the target image in the target display screen to obtain an output image; and Generating image interception parameters required by the display control card of the display unit according to the configuration parameters of each display unit; The display control card of each display unit is connected to the sending card, and is used for: Acquire own image data in the output image according to the image interception parameters to obtain a intercepted image, and display the intercepted image on the display unit for viewing the mark with the rotation angle of the display unit Whether the pattern matches the edge of the display unit. The display screen configuration system according to claim 9, wherein the host computer is also used for: In response to a user input operation, rotate at least one virtual unit of the multiple virtual units one-to-one corresponding to the multiple display units on the software interface to obtain the configuration parameters of each of the display units; and Sending the configuration parameters of each of the display units to the sending card. 10. The display screen configuration device of claim 10, wherein the marking pattern is a ring frame pattern, and the line width of the ring frame pattern is a width of a plurality of pixels of the output image. The display screen configuration system according to claim 10, wherein the host computer is specifically used for: In response to the input operation of selecting the target virtual unit, display on the software interface the rotation center and the rotation point of the target virtual unit and the rotation rod connected between the rotation center and the rotation point and having an initial length; In response to the input operation of pressing the mouse pointer and dragging the mouse pointer in the designated area containing the rotation point, the target virtual unit is rotated following the movement of the mouse pointer, and the rotation point is caused to follow the movement of the mouse pointer. Make a position change; In the process of dragging the mouse pointer, calculating the rotation angle of the target virtual unit according to the coordinates of the rotation center, the coordinates of the starting position of the mouse pointer, and the coordinates of the current position of the mouse pointer; and In response to the input operation of releasing the mouse pointer, the rotation angle in the configuration parameter of the display unit corresponding to the target virtual unit is obtained based on the rotation angle of the target virtual unit. The display screen configuration system according to claim 12, wherein the host computer is specifically used for: In the process of dragging the mouse pointer, use the rotation center and the current position of the mouse pointer as the two end points of the rotating rod to set and display the rotating rod; After releasing the mouse pointer, the rotating rod is restored to the initial length. A spliced display screen, including: multiple display units and sending cards; Wherein, the sending card is used for: Receiving configuration parameters of each of the display units, where the configuration parameters include rotation angle and position parameters; Generating a marking pattern with a rotation angle corresponding to the display unit according to the configuration parameters of each display unit; Synthesize the mark pattern with the rotation angle of each display unit and the target image in the target display screen to obtain an output image; and Generating image capturing parameters required by the display control card of the display unit according to the configuration parameters of each display unit; and The display control card of each display unit is connected to the sending card and is used for: Acquire own image data in the output image according to the image interception parameters to obtain a intercepted image, and display the intercepted image on the display unit for viewing the mark with the rotation angle of the display unit Whether the pattern matches the edge of the display unit. 15. The spliced display screen of claim 14, wherein the marking pattern is a ring frame pattern, and the line width of the ring frame pattern is a width of multiple pixels of the output image. A method for generating configuration parameters of a display screen is suitable for generating configuration parameters to configure a target display screen; it is characterized in that the method for generating configuration parameters of a display screen includes: In response to the input operation of the selected target virtual unit, the rotation center and the rotation point of the target virtual unit and the rotation rod connected between the rotation center and the rotation point and having an initial length are displayed, wherein the target virtual unit is At least one virtual unit of the multiple virtual units respectively corresponding to the multiple display units of the target display screen; In response to the input operation of pressing the mouse pointer and dragging the mouse pointer in the designated area containing the rotation point, the target virtual unit is rotated following the movement of the mouse pointer, and the rotation point is caused to follow the movement of the mouse pointer. Make a position change; In the process of dragging the mouse pointer, calculating the rotation angle of the target virtual unit according to the coordinates of the rotation center, the coordinates of the starting position of the mouse pointer, and the coordinates of the current position of the mouse pointer; and In response to the input operation of releasing the mouse pointer, the rotation angle in the configuration parameter of the display unit corresponding to the target virtual unit is obtained based on the rotation angle of the target virtual unit. The method for generating configuration parameters of a display screen according to claim 16, further comprising: In the process of dragging the mouse pointer, use the rotation center and the current position of the mouse pointer as the two end points of the rotation rod to set and display the rotation rod; and After the mouse pointer is released, the rotating rod is restored to the initial length.

Images