CN113535109B - Display terminal and display method - Google Patents
Display terminal and display method Download PDFInfo
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- CN113535109B CN113535109B CN202111090396.XA CN202111090396A CN113535109B CN 113535109 B CN113535109 B CN 113535109B CN 202111090396 A CN202111090396 A CN 202111090396A CN 113535109 B CN113535109 B CN 113535109B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
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Abstract
The embodiment of the invention provides a display terminal and a display method, wherein the display terminal comprises: the device comprises a display screen, a distance sensor and a controller; the display screen comprises a plurality of display surfaces and is used for displaying the three-dimensional data of the exhibit in multiple directions according to the initial scaling; the distance sensor is used for acquiring first distance information between a current user and the display screen; the controller is used for determining an initial observation distance and a current observation distance of a current user and a stopping time corresponding to the current observation distance according to the first distance information, and determining a new scaling according to an initial scaling, the current observation distance, the initial observation distance and the stopping time so that the display screen displays the three-dimensional data according to the new scaling. The display terminal provided by the embodiment of the invention can improve the real experience of viewing the exhibit, is convenient for a user to carefully observe the exhibit, and improves the convenience of the user in carefully observing the exhibit.
Description
Technical Field
The embodiment of the invention relates to the technical field of display, in particular to a display terminal and a display method.
Background
With the progress of social civilization, the spiritual demands of people are higher and higher, and the audiences of the cultural relic exhibition of a museum are more and more. However, historical relics in a museum are precious enough, and in the process of exhibition, a user can only be allowed to view the relics at a long distance, so that the details of the exhibit cannot be observed in detail, and the user experience needs to be improved urgently.
In the prior art, the display can be subjected to image shooting, the two-dimensional picture is displayed on line, and a certain turning animation effect can be added on the basis.
However, in the process of implementing the present invention, the inventors found that at least the following problems exist in the prior art: even if the turning animation effect of the part is increased on the basis of the two-dimensional picture in the scheme, the user can observe details to a certain extent, but the real experience of the mode is poor, the convenience is insufficient, and the requirements of the user cannot be met.
Disclosure of Invention
The embodiment of the invention provides a display terminal and a display method, which are used for enhancing the real experience of a user in watching an exhibit and improving the convenience of carefully observing the exhibit on the premise of protecting the exhibit.
In a first aspect, an embodiment of the present invention provides a display terminal, including: the device comprises a display screen, a distance sensor and a controller;
the controller is connected with the display screen and the distance sensor;
the display screen comprises a plurality of display surfaces and is used for displaying the three-dimensional data of the exhibit in multiple directions according to the initial scaling;
the distance sensor is used for acquiring first distance information between a current user and the display screen;
and the controller is used for determining the initial observation distance and the current observation distance of the current user and the residence time corresponding to the current observation distance according to the first distance information, and determining the new scaling of the three-dimensional data according to the initial scaling, the current observation distance, the initial observation distance and the residence time corresponding to the current observation distance, so that the display screen displays the three-dimensional data of the exhibit according to the new scaling.
In one possible design, when determining the initial viewing distance of the current user according to the first distance information, the controller is specifically configured to:
if the current user is the first experience user, determining the initial observation distance according to second distance information between the current user and the display screen within first preset time; the first preset time is started when the distance between the current user and the display screen is smaller than a first preset distance;
and if the current user is a non-primary experience user, calling the recorded initial observation distance of the current user.
In a possible design, when determining the initial viewing distance according to second distance information between the current user and the display screen within a first preset time, the controller is specifically configured to:
calculating an average value of the second distance information, and determining the average value as the initial observation distance.
In a possible design, when determining the initial viewing distance according to second distance information between the current user and the display screen within a first preset time, the controller is specifically configured to:
determining a plurality of observation distances within the first preset time according to the second distance information;
calculating the residence time corresponding to different observation distances respectively to obtain at least one residence time;
and determining the observation distance corresponding to the maximum value in the at least one residence time as the initial observation distance.
In one possible design, the display terminal further includes: a camera; the camera is connected with the controller;
the camera is used for collecting face information of a current user;
the controller is further used for judging whether the current user is a primary experience user or not according to the face information.
In a possible design, when determining a new scaling of the three-dimensional data according to the initial scaling, the current observation distance, the initial observation distance, and the dwell time corresponding to the current observation distance, the controller is specifically configured to:
and if the difference value between the current observation distance and the initial observation distance is greater than a second preset distance and the residence time corresponding to the current observation distance is greater than a second preset time, determining a new scaling of the three-dimensional data according to the initial scaling and the ratio of the current observation distance to the initial observation distance.
In one possible design, the controller, when determining a new scaling of the three-dimensional data according to a ratio between the current observation distance and the initial observation distance, is specifically configured to:
if the current observation distance is determined to be greater than the initial observation distance according to the ratio of the current observation distance to the initial observation distance, determining that the new scaling is smaller than the initial scaling;
and if the current observation distance is determined to be smaller than the initial observation distance according to the ratio of the current observation distance to the initial observation distance, determining that the new scaling is larger than the initial scaling.
In a possible design, when the display screen displays the three-dimensional data of the exhibit according to the new scaling, the display screen is specifically configured to:
and switching the scaling of the three-dimensional data from the current scaling to the new scaling at a preset speed.
In one possible design, the display terminal further includes: the gravity sensor and the gyroscope are connected with the controller;
the gravity sensor and the gyroscope are used for determining the movement angle of the display screen;
the controller is further used for adjusting the display angle of the three-dimensional data according to the movement angle;
and the display screen is also used for displaying the three-dimensional data according to the adjusted display angle.
In a possible design, the controller, when adjusting the display angle of the three-dimensional data according to the movement angle, is specifically configured to:
if the moving angle changes by a first preset angle along with the rotation of the display screen, the display angle of the three-dimensional data changes by a second preset angle in the same direction; the second preset angle is larger than the first preset angle.
In one possible design, the display terminal further includes: a voice broadcasting module; the voice broadcasting module is connected with the controller;
the controller is further configured to determine a target observation region of the current user in the three-dimensional data according to the current observation distance, and call explanation content of the target observation region;
and the voice broadcasting module is used for playing the explanation content.
In one possible design, the display terminal further includes: a wireless communication module; the wireless communication module is connected with the controller;
the controller is further configured to obtain the three-dimensional data through the wireless communication module.
In one possible design, the wireless communication module includes: a Bluetooth unit and/or a WIFI unit;
the Bluetooth unit is connected with the controller, and the WIFI unit is connected with the controller;
the controller is further used for receiving the three-dimensional data downloaded by the mobile phone terminal from the server through the Bluetooth unit and/or receiving the three-dimensional data sent by the server through the WIFI unit.
In one possible design, the display terminal further includes: a data storage module; the data storage module is connected with the controller;
the data storage module is used for storing the three-dimensional data.
In one possible design, the display terminal further includes: a vibration module; the vibration module is connected with the controller;
the controller is further used for controlling the display screen to display three-dimensional data of the exhibit in multiple directions according to the initial scaling when the difference value between the current observation distance and the initial observation distance is smaller than a third preset distance, and controlling the vibration module to send out vibration reminding.
In one possible design, the display terminal further includes: a charging module; the charging module is connected with the controller, the distance sensor and the display screen;
the charging module is used for providing power supply voltage for the controller, the distance sensor and the display screen.
In one possible design, the display terminal is a cylinder, and the display screen comprises a side display surface arranged on the side surface of the cylinder, a top display surface arranged on the top surface of the cylinder and a bottom display surface arranged on the bottom surface of the cylinder.
In one possible design, the bottom surface of the column body is replaced by a curved surface with a gradually-reduced cross section.
In a second aspect, an embodiment of the present invention provides a display method, including:
the method comprises the steps that a distance sensor collects first distance information between a current user and a display screen;
the controller determines an initial observation distance and a current observation distance of a current user and a residence time corresponding to the current observation distance according to the first distance information, and determines a new scaling of the three-dimensional data according to the initial scaling, the current observation distance, the initial observation distance and the residence time corresponding to the current observation distance;
and the display screen displays the three-dimensional data of the exhibit according to the new scaling.
In the display terminal and the display method provided in this embodiment, the display terminal includes: the device comprises a display screen, a distance sensor and a controller; the controller is connected with the display screen and the distance sensor; the display screen comprises a plurality of display surfaces and is used for displaying the three-dimensional data of the exhibit in multiple directions according to the initial scaling; the distance sensor is used for acquiring first distance information between a current user and the display screen; and the controller is used for determining the initial observation distance and the current observation distance of the current user and the residence time corresponding to the current observation distance according to the first distance information, and determining the new scaling of the three-dimensional data according to the initial scaling, the current observation distance, the initial observation distance and the residence time corresponding to the current observation distance, so that the display screen displays the three-dimensional data of the exhibit according to the new scaling. The show terminal that this embodiment provided demonstrates the showpiece through the display screen that adopts to have a plurality of display surfaces, can improve the true experience degree of vwatching the showpiece to according to the distance information that distance sensor gathered, the scaling of the three-dimensional data of the showpiece that shows in the automatic adjustment display screen, the user of can being convenient for carries out careful observation to the showpiece, has improved the convenience that the user carries out careful observation to the showpiece.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a display terminal according to an embodiment of the present invention;
fig. 2 is a first schematic structural diagram of a display terminal according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a display terminal according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a display terminal provided in the embodiment of the present invention;
fig. 5 is a schematic diagram illustrating a principle of rotation angle control of a display terminal according to an embodiment of the present invention;
fig. 6 is a schematic diagram illustrating a principle of movement control of a display terminal according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a display terminal according to a fourth embodiment of the present invention;
fig. 8 is a schematic structural diagram of a display terminal according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram six of the display terminal according to the embodiment of the present invention;
fig. 10 is a seventh schematic structural diagram of a display terminal according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram eight of the display terminal according to the embodiment of the present invention;
fig. 12 is a schematic structural diagram nine of the display terminal according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
With the progress of social civilization, the spiritual demands of people are higher and higher, and the audiences of the cultural relic exhibition of a museum and the release of high-tech products are more and more. However, the models of historical relics and high-tech products in museums are rare, and in the exhibition process, users can only be allowed to enjoy the historical relics and the high-tech products in a long distance, so that the details of the exhibited products cannot be observed in detail, and the user experience is in urgent need of improvement.
In the prior art, the display can be subjected to image shooting, the two-dimensional picture is displayed on line, and a certain turning animation effect can be added on the basis. However, even if a part of turning animation effect is added on the basis of the two-dimensional picture, the user can observe details to a certain extent, but the real experience feeling of the method is too poor, and in the observation process, the user only passively receives the display content, the display scale of the exhibit cannot be automatically adjusted according to the user needs, and therefore the requirements of the user cannot be met.
Aiming at the technical problem, the inventor researches and discovers that the display screen with a plurality of display surfaces can be adopted to display the exhibit in an all-around mode to enhance the real experience degree of the user, and the zooming requirement of the user can be obtained according to the distance change between the user and the display screen, the zooming proportion is adjusted, the experience level of the user is further improved, and the observation convenience is improved. Based on this, the embodiment of the invention provides a display terminal.
For example, as shown in fig. 1, the display terminal may be designed to be a column, and may display three-dimensional data of a precious cultural relic vase at a certain ratio, for example, a ratio of 1: 1. When the user observes the vase through the terminal equipment, the user can feel like taking a genuine product, and the real experience of the user is improved. The controller of the display terminal can determine an initial observation distance and a current observation distance according to distance information collected by the distance sensor, and when the current observation distance is smaller than the initial observation distance, the user can know that the user needs to observe details of the vase, so that automatic scaling adjustment can be performed, the three-dimensional data of the vase is displayed after being amplified by a new scaling, and in the whole process, the user can conveniently and rapidly observe exhibitions in a careful manner.
The technical solution of the present invention will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Fig. 2 is a first schematic structural diagram of a display terminal according to an embodiment of the present invention. As shown in fig. 2, the display terminal includes: a display screen 100, a distance sensor 300 and a controller 200.
The controller 200 is connected to the display screen 100 and the distance sensor 300.
The display screen 100 includes a plurality of display surfaces for displaying three-dimensional data of the exhibit in multiple directions according to the initial scaling.
The distance sensor 300 is configured to collect first distance information between a current user and the display screen 100.
The controller 200 is configured to determine an initial observation distance and a current observation distance of a current user and a retention time corresponding to the current observation distance according to the first distance information, and determine a new scaling of the three-dimensional data according to the initial scaling, the current observation distance, the initial observation distance and the retention time corresponding to the current observation distance, so that the display screen 100 displays the three-dimensional data of the exhibit according to the new scaling.
In this embodiment, the shape of the display terminal can be various, for example, a sphere, a cylinder, a pyramid, a polyhedron, etc. Specifically, the adaptive design may be performed according to the form of the exhibit, which is not limited in this embodiment. Optionally, the display screen 100 of the display terminal may wrap the outer side of the display terminal for more realistic and stereoscopic display of the exhibit. That is, the entire exterior surface of the display terminal is covered by the display screen 100. The display screen 100 with a plurality of display surfaces is used for displaying the exhibit, so that the real experience degree of the ornamental exhibit can be improved.
In a possible implementation manner, the display terminal may be a column, and the display screen 100 includes a side display surface disposed on a side surface of the column, a top display surface disposed on a top surface of the column, and a bottom display surface disposed on a bottom surface of the column. Thus, when the user views the exhibit through the display terminal, the user can observe the side surface of the exhibit through the side surface display surface of the display screen 100, the top surface of the exhibit through the top surface display surface, and the bottom surface of the exhibit through the bottom surface display surface. Optionally, to increase realism, the three-dimensional data of the exhibit may be displayed at a 1:1 scale.
In another possible implementation manner, in order to facilitate the user to see the bottom surface of the exhibit when the display terminal is placed on the top surface of the display stand, on the basis of the above manner, the bottom surface of the column is replaced by a curved surface with a gradually decreasing cross section. A support member may be provided at a central position of the bottom surface to place the display terminal on the display stand by contacting the support member with the table top.
It is to be understood that the display terminal may be placed in other manners, for example, a hanging component for hanging may be disposed on the display terminal, and the position of the hanging component may be disposed on any position, such as a side surface or a top surface of the display terminal, as required, which is not limited in this embodiment.
In this embodiment, the distance sensor 300 may collect information on the distance between the current user and the display screen 100. Alternatively, the distance information may be a vertical distance from the human eye to the display surface closest to the human eye.
In this embodiment, the initial observation distance refers to an observation distance of the three-dimensional data displayed by the display terminal at the initial scaling according to the eyesight condition of the user. Specifically, the distance between the user and the display screen 100 after the user initially stands after approaching the display stand, or the distance between the user and the display screen 100 after the user initially takes the display terminal after approaching the display stand. In subsequent observations, the user may be interested in the details of a certain portion of the exhibit or in the overall presentation of the exhibit, may approach the display screen 100 a certain distance, or move away from the display screen 100 a certain distance, and make a longer dwell to observe. In a specific implementation process, the controller 200 may determine the current observation distance of the current user, the initial observation distance, and the retention time corresponding to the current observation distance according to the first distance information collected by the distance sensor 300, and then may determine a new scaling adapted to the current observation distance of the user according to the current observation distance, the initial observation distance, the retention time corresponding to the current observation distance, and the initial scaling, and the automatic adjustment of the scaling may improve the convenience of the user in performing detailed observation on the exhibit.
In this embodiment, there are various ways to determine the new scaling.
In an implementation manner, when determining a new scaling of the three-dimensional data according to the initial scaling, the current observation distance, the initial observation distance, and the dwell time corresponding to the current observation distance, the controller is specifically configured to: and if the difference value between the current observation distance and the initial observation distance is greater than a second preset distance and the residence time corresponding to the current observation distance is greater than a second preset time, determining a new scaling of the three-dimensional data according to the initial scaling and the ratio of the current observation distance to the initial observation distance. Optionally, when determining a new scaling of the three-dimensional data according to the ratio between the current observation distance and the initial observation distance, the controller is specifically configured to: if the current observation distance is determined to be greater than the initial observation distance according to the ratio of the current observation distance to the initial observation distance, determining that the new scaling is smaller than the initial scaling; and if the current observation distance is determined to be smaller than the initial observation distance according to the ratio of the current observation distance to the initial observation distance, determining that the new scaling is larger than the initial scaling.
Specifically, when the user observes the exhibit at the initial observation distance, the current observation distance may change due to the swing of the head, and such a change may be avoided by setting a second preset distance, which may be set to any value between 3 centimeters and 5 centimeters. That is, a deviation within the second preset distance is not considered a user need to adjust the zoom scale. After the deviation of the initial observation distance exceeds a second preset distance, if the user stays for a long time, the fact that the user wants to adjust the scaling is confirmed, and the user further observes the exhibit. If the current observation distance of the user is greater than the initial observation distance, the user needs to reduce the display scale of the exhibit, that is, the new scaling is smaller than the initial scaling. If the current viewing distance of the user is smaller than the initial viewing distance, as shown in fig. 1, the user needs to enlarge the display scale of the exhibit, i.e. the new zoom scale is larger than the initial zoom scale. The new scaling ratio may be the initial observation distance divided by the current observation distance multiplied by the initial scaling ratio, or may be added with a corresponding coefficient according to actual needs. This embodiment is not limited to this.
In another implementation manner, for the case that the current observation distance of the user is smaller than the initial observation distance, the staying time of the current user at different observation distances may be monitored in real time, and after the staying time exceeds a third preset time, the user may be prompted by voice to enter the automatic scaling scene until the user returns to the end of the automatic scaling scene beyond a fourth preset distance, which may be set as the initial observation distance of the user. Correspondingly, the current observation distance of the user is larger than the initial observation distance, the opposite setting can be carried out, namely the stay time of the current user in different observation distances can be monitored in real time, after the stay time exceeds the third preset time, the user can be reminded by voice to enter the automatic scaling scene until the user returns to the fifth preset distance, the automatic scaling scene is finished, and the fifth preset distance can be set as the initial observation distance of the user.
Optionally, in some embodiments, the displaying screen 100 displays the three-dimensional data of the exhibit according to the new scaling, including: and switching the scaling of the three-dimensional data from the current scaling to the new scaling at a preset speed. Specifically, when the current scaling is switched to the new scaling, for example, the 1:1 scaling is switched to the 2:1 scaling, in order to adapt to the reaction process of human eyes, a slower speed may be selected, and the displayed three-dimensional data is slowly enlarged.
Optionally, in the embodiment, the three-dimensional data may be obtained by three-dimensionally scanning the exhibit using a three-dimensional scanner, confirming the geometric structure (for example, the length, width, and height of the exhibit) and the appearance data (for example, the color of the outer surface of the exhibit), and performing three-dimensional modeling to obtain the three-dimensional data of the exhibit.
The display terminal that this embodiment provided includes: a display screen 100, a distance sensor 300 and a controller 200; the controller 200 is connected with the display screen 100 and the distance sensor 300; the display screen 100 comprises a plurality of display surfaces and is used for displaying three-dimensional data of the exhibit in multiple directions according to the initial scaling; a distance sensor 300 for collecting first distance information between a current user and the display screen 100; the controller 200 is configured to determine an initial observation distance and a current observation distance of a current user and a retention time corresponding to the current observation distance according to the first distance information, and determine a new scaling of the three-dimensional data according to the initial scaling, the current observation distance, the initial observation distance and the retention time corresponding to the current observation distance, so that the display screen 100 displays the three-dimensional data of the exhibit according to the new scaling. The display terminal provided by the embodiment automatically adjusts the scaling of the three-dimensional data of the exhibit displayed in the display screen 100 according to the distance information collected by the distance sensor 300, so that a user can conveniently and carefully observe the exhibit, and the real experience degree of viewing the exhibit is improved.
In some embodiments, the initial viewing distance is obtained in a variety of ways.
In an implementation manner, for each viewing of each user, the initial viewing distance of the current user may be determined by distance information between the user and the display screen 100 within a preset time period after the user enters a preset range of the display screen 100 from a direction away from the display stand, for example, within 10 seconds from a circle with a radius of 1.5 meters and centered on the display screen 100.
In another implementation, to simplify the calculation, the initial observation distance may be determined only for the new user, and the data of the initial observation distance already recorded may be retrieved directly for the old user. Specifically, if the current user is the first-time experience user, determining the initial observation distance according to second distance information between the current user and the display screen 100 within a first preset time; the first preset time starts when the distance between the current user and the display screen 100 is smaller than a first preset distance; and if the current user is a non-primary experience user, calling the recorded initial observation distance of the current user.
Optionally, the manner of determining the initial viewing distance according to the second distance information between the current user and the display screen 100 within the first preset time may be various. In some embodiments may include the steps of: calculating an average value of the second distance information, and determining the average value as the initial observation distance; the calculation mode of the average value is simple, fast and easy to realize. In some embodiments, considering that the user may look at the display terminal or the exhibition stand in a close distance when approaching the display terminal, the distance is not a proper distance for the user to observe the three-dimensional data of the exhibit in the display screen 100 according to the user's eyesight condition, so as to avoid the interference of the data. May include the steps of: determining a plurality of observation distances within the first preset time according to the second distance information; calculating the residence time corresponding to different observation distances respectively to obtain at least one residence time; and determining the observation distance corresponding to the maximum value in the at least one residence time as the initial observation distance.
In some embodiments, there may be multiple ways to determine the initial experience user.
In one implementation, the determination may be made based on registration information of the user, such as a user name, a login password, and the like. The user who registers and logs in for the first time is the first experience user, and the user who does not log in for the first time is the non-first experience user. In practical application, the mobile phone can communicate with the display terminal, and the registration and login are performed through the APP on the mobile phone.
In another implementation manner, as shown in fig. 3, the display terminal further includes: a camera 400; the camera 400 is connected with the controller 200; the camera 400 may be configured to acquire face information of a current user; the controller 200 may be further configured to determine whether the current user is a first-time experience user according to the face information. Specifically, the camera 400 collects face information of the current user, compares the face information with stored face information, and determines that the current user is the first-time experience user if the face information is not stored, and needs to determine the initial observation distance of the current user. If the face information is stored, the current user is a non-primary experience user, and the recorded initial observation distance of the user can be directly called.
At the showpiece in-process of vwatching, the user can take the show terminal to observe in hand, in order to prevent the maloperation, if display screen 100 can touch, can close display screen 100's touch function, certainly also can design display screen 100 for non-touch screen in order to practice thrift the cost, because the size of show terminal may be great, it is harder that the user finds suitable angle completely by turning the show terminal in hand, can carry out the regulation of demonstration angle according to built-in gravity sensor 500 of show terminal and gyroscope 600 this moment, so that the user finds the demonstration angle of oneself needs fast. As shown in fig. 4, on the basis of the above-mentioned embodiment, for example, on the basis of the embodiment shown in fig. 3, in some embodiments, the display terminal may further include: a gravity sensor 500 and a gyroscope 600, wherein the gravity sensor 500 and the gyroscope 600 are connected with the controller 200; the gravity sensor 500 and the gyroscope 600, which are used for determining the movement angle of the display screen 100; the controller 200 is further configured to adjust a display angle of the three-dimensional data according to the movement angle; the display screen 100 is further configured to display the three-dimensional data according to the adjusted display angle. Optionally, when the display angle of the three-dimensional data is adjusted according to the movement angle, the controller is specifically configured to: if the movement angle changes by a first preset angle along with the rotation of the display screen 100, the display angle of the three-dimensional data changes by a second preset angle in the same direction; the second preset angle is larger than the first preset angle.
For example, as shown in fig. 5, after the display terminal obtains the three-dimensional modeling data, the three-dimensional data of the exhibit is displayed on the display screen 100, and when the user rotates clockwise by a first preset angle, for example, 10 degrees, with the Z axis as the central axis, through the gyroscope 600 and the gravity sensor, the effect displayed on the display screen 100 is that the real object rotates clockwise by a second preset angle, for example, 15 degrees, with the Z axis as the central axis, that is: the image on the right side of the exhibit can be checked, and the user can check the three-dimensional image with a larger angle by rotating a few angles, so that the strength of the user is saved. Of course, when the user rotates for the first time, the user can be reminded by characters or voices, so that the user can adapt to the changing scene of the rotating angle quickly. When the user uses the Z axle to rotate the first predetermined angle as the center pin anticlockwise, the effect that appears on the screen is exactly that real object uses the Z axle to rotate the effect of the second predetermined angle as the center pin anticlockwise, promptly: can look over the left image of showpiece, when the user uses the X axle to rotate first preset angle clockwise as the center pin, what present on the screen is that real object uses the X axle to rotate the effect of second preset angle clockwise as the center pin, promptly: the bottom of the exhibit can be seen; when the user uses the X axle to rotate the first predetermined angle as the center pin anticlockwise, what appear on the screen is that real object uses the X axle to rotate the effect of second predetermined angle as the center pin anticlockwise, promptly: the top of the exhibit can be seen.
As shown in fig. 6, after the display terminal automatically adjusts the zoom ratio, if the user needs to observe the display data below, the display terminal may be moved upward, and in order to save effort for the user, the movement range of the display content may be set to be larger than the movement range of the display terminal.
As shown in fig. 7, on the basis of the above-mentioned embodiment, for example, on the basis of the embodiment shown in fig. 4, in some embodiments, the display terminal further includes: a voice broadcast module 700; the voice broadcasting module 700 is connected with the controller 200; the controller 200 is further configured to determine a target observation region of the current user in the three-dimensional data according to the current observation distance, and call explanation content of the target observation region; the voice broadcasting module 700 is configured to play the explanation content.
In practical application, the display terminal can automatically broadcast the interested contents for the current user according to the target observation area currently viewed by the user. The use experience of the user is improved.
As shown in fig. 8, on the basis of the above-mentioned embodiment, for example, on the basis of the embodiment shown in fig. 7, in some embodiments, the display terminal further includes: a wireless communication module 800; the wireless communication module 800 is connected with the controller 200; the controller 200 is further configured to acquire the three-dimensional data through the wireless communication module 800. Optionally, as shown in fig. 9, the wireless communication module 800 includes: a bluetooth unit 801 and/or a WIFI unit 802; the bluetooth unit 801 is connected with the controller 200, and the WIFI unit 802 is connected with the controller 200; the controller 200 is further configured to receive, through the bluetooth unit 801, the three-dimensional data downloaded from the server by the mobile phone terminal, and/or receive, through the WIFI unit 802, the three-dimensional data sent by the server.
In this embodiment, the latest exhibit data can be uploaded in time by uploading three-dimensional data through the mobile phone terminal and the bluetooth unit 801, and the uploading is timely and flexible. The data update of the server side is received through the WIFI unit 802, new data can be acquired from the server side in a preset period, and human input can be reduced.
As shown in fig. 10, on the basis of the above-mentioned embodiment, for example, on the basis of the embodiment shown in fig. 9, in some embodiments, the display terminal further includes: a data storage module 900; the data storage module 900 is connected with the controller 200; the data storage module 900 is configured to store the three-dimensional data. Optionally, the data storage module 900 may also be configured to store face data of the user.
In this embodiment, by setting the local data storage module 900, the data processing rate can be increased, and the user experience level can be improved.
As shown in fig. 11, on the basis of the above-mentioned embodiment, for example, on the basis of the embodiment shown in fig. 10, in some embodiments, the display terminal further includes: a vibration module 1000; the vibration module 1000 is connected with the controller 200; the controller 200 is further configured to control the display screen 100 to display three-dimensional data of the exhibit in multiple directions according to the initial scaling when the difference between the current observation distance and the initial observation distance is smaller than a third preset distance, and control the vibration module 1000 to send out a vibration prompt.
In this embodiment, the third preset distance may be any value within 3 centimeters, and may be used as an error value of the initial observation distance, and the vibration module 1000 is set to perform vibration reminding on the user, so that the user can quickly know the current scaling condition, and the user experience level is improved.
As shown in fig. 12, on the basis of the above-mentioned embodiment, for example, on the basis of the embodiment shown in fig. 11, in some embodiments, the display terminal further includes: a charging module 1100; the charging module 1100 is connected to the controller 200, the distance sensor 300, and the display screen 100; the charging module 1100 is configured to provide a power supply voltage for the controller 200, the distance sensor 300, and the display screen 100.
In this embodiment, through setting up the module 1100 that charges, can be convenient for each module of show terminal provides mains voltage, avoided the battery to change the not timely harmful effects that brings, and saved the hardware input of battery to can guarantee each module's mains voltage's stability.
The embodiment of the present invention further provides a display method, which is applied to the display terminal described in the above embodiments, and the method includes:
the distance sensor collects first distance information between a current user and the display screen.
The controller determines an initial observation distance and a current observation distance of a current user and a residence time corresponding to the current observation distance according to the first distance information, and determines a new scaling of the three-dimensional data according to the initial scaling, the current observation distance, the initial observation distance and the residence time corresponding to the current observation distance.
And the display screen displays the three-dimensional data of the exhibit according to the new scaling.
The display method provided by the embodiment of the invention can be applied to the display terminal provided by the embodiment of the display terminal, the implementation principle and the technical effect are similar, and the details are not repeated here.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (17)
1. A display terminal, comprising: the device comprises a display screen, a distance sensor and a controller;
the controller is connected with the display screen and the distance sensor;
the display screen comprises a plurality of display surfaces and is used for displaying the three-dimensional data of the exhibit in multiple directions according to the initial scaling;
the distance sensor is used for acquiring first distance information between a current user and the display screen;
the controller is used for determining an initial observation distance and a current observation distance of a current user and a residence time corresponding to the current observation distance according to the first distance information, and determining a new scaling of the three-dimensional data according to the initial scaling, the current observation distance, the initial observation distance and the residence time corresponding to the current observation distance, so that the display screen displays the three-dimensional data of the exhibit according to the new scaling;
the display terminal further comprises: the gravity sensor and the gyroscope are connected with the controller;
the gravity sensor and the gyroscope are used for determining the movement angle of the display screen;
the controller is further used for adjusting the display angle of the three-dimensional data according to the movement angle;
the display screen is also used for displaying the three-dimensional data according to the adjusted display angle;
the controller, when adjusting the display angle of the three-dimensional data according to the movement angle, is specifically configured to:
if the moving angle changes by a first preset angle along with the rotation of the display screen, the display angle of the three-dimensional data changes by a second preset angle in the same direction; the second preset angle is larger than the first preset angle;
the display terminal is a cylinder, and the display screen comprises a side display surface arranged on the side surface of the cylinder.
2. The display terminal of claim 1, wherein the controller, when determining the initial viewing distance of the current user according to the first distance information, is specifically configured to:
if the current user is the first experience user, determining the initial observation distance according to second distance information between the current user and the display screen within first preset time; the first preset time is started when the distance between the current user and the display screen is smaller than a first preset distance;
and if the current user is a non-primary experience user, calling the recorded initial observation distance of the current user.
3. The display terminal of claim 2, wherein the controller, when determining the initial viewing distance according to second distance information between the current user and the display screen within a first preset time, is specifically configured to:
calculating an average value of the second distance information, and determining the average value as the initial observation distance.
4. The display terminal of claim 2, wherein the controller, when determining the initial viewing distance according to second distance information between the current user and the display screen within a first preset time, is specifically configured to:
determining a plurality of observation distances within the first preset time according to the second distance information;
calculating the residence time corresponding to different observation distances respectively to obtain at least one residence time;
and determining the observation distance corresponding to the maximum value in the at least one residence time as the initial observation distance.
5. The display terminal of claim 2, further comprising: a camera; the camera is connected with the controller;
the camera is used for collecting face information of a current user;
the controller is further used for judging whether the current user is a primary experience user or not according to the face information.
6. The display terminal according to claim 1, wherein the controller, when determining a new scaling of the three-dimensional data according to the initial scaling, the current observation distance, the initial observation distance, and the dwell time corresponding to the current observation distance, is specifically configured to:
and if the difference value between the current observation distance and the initial observation distance is greater than a second preset distance and the residence time corresponding to the current observation distance is greater than a second preset time, determining a new scaling of the three-dimensional data according to the initial scaling and the ratio of the current observation distance to the initial observation distance.
7. The display terminal of claim 6, wherein the controller, when determining the new scaling of the three-dimensional data according to the ratio between the current viewing distance and the initial viewing distance, is specifically configured to:
if the current observation distance is determined to be greater than the initial observation distance according to the ratio of the current observation distance to the initial observation distance, determining that the new scaling is smaller than the initial scaling;
and if the current observation distance is determined to be smaller than the initial observation distance according to the ratio of the current observation distance to the initial observation distance, determining that the new scaling is larger than the initial scaling.
8. The display terminal of claim 1, wherein the display screen, when displaying the three-dimensional data of the exhibit according to the new zoom scale, is specifically configured to:
and switching the scaling of the three-dimensional data from the current scaling to the new scaling at a preset speed.
9. The display terminal of any one of claims 1-8, wherein the display terminal further comprises: a voice broadcasting module; the voice broadcasting module is connected with the controller;
the controller is further configured to determine a target observation region of the current user in the three-dimensional data according to the current observation distance, and call explanation content of the target observation region;
and the voice broadcasting module is used for playing the explanation content.
10. The display terminal of any one of claims 1-8, wherein the display terminal further comprises: a wireless communication module; the wireless communication module is connected with the controller;
the controller is further configured to obtain the three-dimensional data through the wireless communication module.
11. The display terminal of claim 10, wherein the wireless communication module comprises: a Bluetooth unit and/or a WIFI unit;
the Bluetooth unit is connected with the controller, and the WIFI unit is connected with the controller;
the controller is further used for receiving the three-dimensional data downloaded by the mobile phone terminal from the server through the Bluetooth unit and/or receiving the three-dimensional data sent by the server through the WIFI unit.
12. The display terminal of any one of claims 1-8, wherein the display terminal further comprises: a data storage module; the data storage module is connected with the controller;
the data storage module is used for storing the three-dimensional data.
13. The display terminal of any one of claims 1-8, wherein the display terminal further comprises: a vibration module; the vibration module is connected with the controller;
the controller is further used for controlling the display screen to display three-dimensional data of the exhibit in multiple directions according to the initial scaling when the difference value between the current observation distance and the initial observation distance is smaller than a third preset distance, and controlling the vibration module to send out vibration reminding.
14. The display terminal of any one of claims 1-8, wherein the display terminal further comprises: a charging module; the charging module is connected with the controller, the distance sensor and the display screen;
the charging module is used for providing power supply voltage for the controller, the distance sensor and the display screen.
15. The display terminal of any one of claims 1-8, wherein the display terminal further comprises: the top surface display surface is arranged on the top surface of the column body, and the bottom surface display surface is arranged on the bottom surface of the column body.
16. The display terminal of claim 15, wherein the bottom surface of the post is replaced with a curved surface having a gradually decreasing cross-sectional area.
17. A display method applied to the display terminal according to any one of claims 1 to 16, the method comprising:
the method comprises the steps that a distance sensor collects first distance information between a current user and a display screen;
the controller determines an initial observation distance and a current observation distance of a current user and a residence time corresponding to the current observation distance according to the first distance information, and determines a new scaling of the three-dimensional data according to the initial scaling, the current observation distance, the initial observation distance and the residence time corresponding to the current observation distance;
and the display screen displays the three-dimensional data of the exhibit according to the new scaling.
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