CN117793325B - Method, system and storage medium for switching panoramic pictures in step roaming - Google Patents
Method, system and storage medium for switching panoramic pictures in step roaming Download PDFInfo
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Abstract
The invention discloses a method, a system and a storage medium for switching panoramic pictures in step-by-step roaming, which belong to the technical field of step-by-step panoramic, and the method comprises the following steps: setting the time of single movement of a user between two stepping point positions as t1 and setting the time of panoramic picture switching between the two stepping point positions as t2; setting the original brightness of the panoramic picture as the default brightness of the scene picture, and setting the brightness value of the light source at the default brightness point as k; starting step detection and monitoring operation information of a user; after receiving the instruction message, simultaneously executing panoramic picture switching and user movement, and controlling the brightness value of the point light source of the current stepping point location to gradually decrease from k to 0 and gradually increase from 0 to k in t2; and in the time t1, completing the movement of the user from the current stepping point to the target stepping point. The invention realizes the switching of pictures by adjusting the brightness of the panoramic picture, and the scheme is simple and efficient to operate.
Description
Technical Field
The invention relates to the technical field of step panoramic, in particular to a method, a system and a storage medium for switching panoramic pictures in step roaming.
Background
Step panoramic is a panoramic photography technique that takes multiple images and then links them together to present a 360 degree panoramic view angle. Step panoramas typically take multiple images of adjacent areas at regular intervals and use special software to compose the images into a continuous panoramic view. The technology can enable a viewer to appear to be in a shooting scene, and a more real and comprehensive visual experience is obtained. The stepping panorama is widely applied to the fields of exhibition of tourist attractions, real estate marketing, virtual reality and the like.
A user in the stepping panorama realizes roaming in a jumping point mode, a stepping point is preset in a scene, the panoramic picture of a point is loaded when the user is in a certain point, the panoramic picture of the next point is reloaded when the user moves to the next point, and a visual effect of stepping roaming is provided for the user through switching of loading the panoramic pictures at different points.
Disclosure of Invention
The invention aims to solve the problems of poor visual effect, complex operation and high occupation of resources in panoramic picture switching, and provides a method, a system and a storage medium for switching panoramic pictures in step roaming.
In a first aspect, the present invention provides a method for switching panoramic views during walking, which is applied to a step-type virtual scene projected based on patterned illumination, wherein a plurality of point light sources are disposed in the virtual scene, panoramic images are surrounded on the surfaces of the point light sources, the panoramic images are projected by the point light sources to form a frame of the virtual scene, and the position of each point light source is set as a step-type point location, the method includes the following steps:
Setting the time of single movement of a user between two stepping point positions as t1, setting the time of panoramic picture switching between the two stepping point positions as t2, and setting the sizes of t1 and t2 as t1 & gtt 2;
Setting the original brightness of the panoramic picture as the default brightness of the scene picture, setting the brightness value of the light source at the time point of the default brightness as k, setting the brightness value of the light source at the time point of the lowest brightness as 0, and adjusting the brightness value of the point light source to change the brightness of the scene picture;
Starting step detection, and monitoring operation information of a user, wherein the operation information is an instruction information which is input by the user and moves from a current step-type point position to a target step-type point position;
After receiving the instruction message, simultaneously executing panoramic picture switching and user movement, wherein the panoramic picture switching method comprises the following steps: in t2, controlling the brightness value of the point light source of the current stepping point location to gradually decrease from k to 0, and gradually increasing the brightness value of the point light source of the target stepping point location from 0 to k; the user moving method comprises the following steps: and in the time t1, completing the movement of the user from the current stepping point to the target stepping point.
Preferably, the sizes of t1 and t2 are set to be 1.5×t2.ltoreq.t1.ltoreq.2.5×t2.
Preferably, when the luminance value of the point light source varies within the time t2, the magnitude of the luminance value is linearly changed with time.
Preferably, in the panoramic picture switching, the sum of the brightness value of the point light source of the current step point location and the brightness value of the point light source of the target step point location is always k.
Preferably, the method for the instruction message input by the user and moving from the current stepping point to the target stepping point comprises the following steps: the user clicks the step-by-step point of the scene interface to enable the client to receive the message of the target step-by-step point as an input instruction message, or the user moves towards the step-by-step point through the moving operation rod of the scene interface to enable the client to receive the message of the target step-by-step point as an input instruction message.
In a second aspect, the present invention provides a system for switching panoramic views during walking, where the system is applied to a stepwise virtual scene projected based on patterned illumination, a plurality of point light sources are disposed in the virtual scene, panoramic images are surrounded on the surfaces of the point light sources, the panoramic images are projected by the point light sources to form a frame of the virtual scene, and a position of each point light source is set as a stepwise point location, and the system includes:
The time setting unit is used for setting the time of single movement of a user between two stepping point positions as t1, setting the time of panoramic picture switching between the two stepping point positions as t2 and setting the sizes of t1 and t2 as t1 & gtt 2;
The brightness setting unit is used for setting the original brightness of the panoramic picture as the default brightness of the scene picture, wherein the brightness value of the light source at the time of the default brightness is k, the brightness value of the light source at the time of the lowest brightness is 0, and the brightness of the scene picture can be changed by adjusting the brightness value of the point light source;
The step detection unit is used for starting step detection and monitoring operation information of a user, wherein the operation information is an instruction information which is input by the user and moves from a current step-type point position to a target step-type point position;
the picture switching unit is used for executing panoramic picture switching and user movement simultaneously after receiving the instruction message, and the panoramic picture switching method comprises the following steps: in t2, controlling the brightness value of the point light source of the current stepping point location to gradually decrease from k to 0, and gradually increasing the brightness value of the point light source of the target stepping point location from 0 to k; the user moving method comprises the following steps: and in the time t1, completing the movement of the user from the current stepping point to the target stepping point.
Preferably, the time setting unit sets the sizes of t1 and t2 to be 1.5×t2.ltoreq.t1.ltoreq.2.5×t2.
Preferably, in the luminance setting unit, when the luminance value of the point light source varies within the time t2, the magnitude of the luminance value is linearly changed with time.
Preferably, in the panoramic picture switching of the picture switching unit, the sum of the brightness value of the point light source of the current step point location and the brightness value of the point light source of the target step point location is always k.
In a third aspect, the present invention achieves the above object by a storage medium having stored thereon a computer program which, when executed by a processor, implements a method for switching a panorama in step-by-step roaming as described in the first aspect.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the panoramic picture displayed when the user is at different points is realized by adjusting the brightness of the point light sources of the previous stepping point location and the target stepping point location, so that when the panoramic picture is switched, the effect of the user roaming vision can be provided by only controlling the brightness of the point light sources.
Drawings
Fig. 1 is a flowchart of a method for switching panoramic views in step roaming according to the present invention.
Fig. 2 is a schematic diagram showing the variation of the brightness value of the point light source with step-by-step point positions according to the present invention.
Fig. 3 is a schematic diagram of a switching system of a panoramic view in step roaming according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
In a stepping virtual scene projected based on patterned illumination, a point light source is used for replacing a spherical model to project a panoramic picture, so that the virtual scene is built, and the specific building is as follows: and setting a plurality of point light sources in the virtual scene, surrounding a panoramic picture on the surface of the point light sources, projecting the panoramic picture through the point light sources to form a picture of the virtual scene, and setting the position of each point light source as a stepping point position, so that a user can watch a projection picture corresponding to any stepping point position.
As shown in fig. 1, a method for switching a panoramic view in a step-by-step roaming is provided, which is used for aiming at a step-by-step panoramic view built by using the method and switching pictures in the panoramic view, and the method comprises the following steps:
Step S1, setting the single moving time of a user between two stepping points as t1, setting the panoramic picture switching time between the two stepping points as t2, setting the sizes of t1 and t2 as t1 & gtt 2 in stepping roaming, wherein in the time, a virtual scene needs to replace the picture of the previous stepping point by the picture of the next stepping point, so that the picture replacement time is abrupt, the picture replacement time is needed to be changed, thus the transitional picture feeling of the user can be provided, and setting the panoramic picture replacement time to be the time when the user moves between the two stepping points is prevented, so that the sizes of t1 and t2 are set as t1 & gtt 2, and the rule that the user can only move to the next stepping point when the user moves in the virtual scene in roaming is required to be satisfied, so that the adjacent time between the adjacent points can not be determined, and the panoramic picture can not be switched between all adjacent points t1 is ensured.
Step S2, setting the original brightness of the panoramic picture as the default brightness of the scene picture, setting the brightness value of the light source at the default brightness time point as k, setting the brightness value of the light source at the lowest brightness time point as 0, adjusting the brightness value of the point light source to change the brightness of the scene picture, for example, adjusting the brightness value to 0.5, and changing the brightness of the scene picture to half of the original panoramic picture by self-luminescence, wherein the brightness value of the point light source is required to be set to ensure that the environment brightness of the projected panoramic picture reflects the real brightness of the panoramic picture, the projected panoramic picture is consistent with the original brightness, the brightness value is reserved as the default brightness of the scene picture, the brightness value k is a constant and can be set to be defined by a number 1, for example, when the brightness value is 1, the brightness of the scene picture is the default brightness, the brightness of the scene picture can be adjusted by changing the numerical value, for example, the brightness value is adjusted to be 0.5, the brightness of the scene picture is half of the original panoramic picture, the setting of the k value is different, the brightness ratio of the scene picture is adjusted, but the brightness value is always following 0, the brightness value is not consistent, the original brightness of the scene picture is the original brightness, and the step S is normally set to be the original color is not in the order of 2, and the steps of subdivision are normally are executed.
Step S3, starting step detection, monitoring operation information of a user, wherein the operation information is an instruction information which is input by the user and moves from a current step-by-step point to a target step-by-step point, after the step S1 and the step S2 are finished, the step detection is changed into a state of being always started, the operation information of the user is monitored in real time, the step detection is started along with the step detection as long as the user enters a scene, the user controls step roaming on a scene display interface, and the method for inputting the instruction information which is input by the user and moves from the current step-by-step point to the target step-by-step point is as follows: the user clicks the step-by-step point of the scene interface to enable the client to receive the message of the target step-by-step point as an input instruction message, or the user moves towards the step-by-step point through the moving operation rod of the scene interface to enable the client to receive the message of the target step-by-step point as an input instruction message, and the two modes are the modes for judging whether the user selects to move or not in the acquired mode.
Step S4, after receiving the instruction message, simultaneously executing panoramic picture switching and user movement, wherein the panoramic picture switching method comprises the following steps: in t2, controlling the brightness value of the point light source of the current stepping point location to gradually decrease from k to 0, and gradually increasing the brightness value of the point light source of the target stepping point location from 0 to k; the user moving method comprises the following steps: in the time t1, the movement of the user from the current stepping point to the target stepping point is completed, in the panoramic picture switching process, along with the gradual decrease of the brightness of the point light source of the current stepping point, the panoramic picture corresponding to the point is gradually transparent, and the brightness of the point light source of the target stepping point gradually increases from 0 to the top, so that the panoramic picture of the target stepping point gradually becomes clear from transparent, and along with the end of the process, the panoramic picture of the target stepping point gradually becomes clear as the brightness of the original panoramic picture, the previous panoramic picture is replaced, and the switching of the panoramic picture is completed once.
According to the step S1, it can be known that t1 > t2 is required to be set between t1 and t2, multiple experiments prove that the optimal size interval between the two times is that the sizes of t1 and t2 are 1.5×t2.ltoreq.t1.ltoreq.2.5×t2, especially the size of t1 is set to be equal to 2×t2, when the user moves to the middle position of the two stepping point positions, the panoramic picture on the target stepping point position is just displayed completely until the user completely roams to the target stepping point position, and the panoramic picture still keeps the state of full display, so that the visual fracture caused by too fast picture switching and the too slow picture switching influence on the panoramic picture can be avoided.
In step S4, it can be seen that the brightness values of the point light sources of the two step-type point locations are varied differently, when the brightness values of the point light sources vary within the time t2, the brightness values of the point light sources are linearly converted from time to time, the linearly converted brightness values can bring progressive visual perception to the user, no visual split feeling is caused due to abrupt brightness change, as shown in fig. 2, the brightness values of the point light sources of the two step-type point locations are varied, S1 in fig. 2 represents the brightness value variation of the point light sources of the current step-type point location, S2 represents the brightness value variation of the point light sources of the target step-type point location, the abscissa represents the time, the ordinate represents the brightness values, the user can see a clear panoramic picture of the current step-type point location at time 0, and at time t2/2, the brightness values of S1 and S2 are equal, and at time, the user sees a clear panoramic picture of the current step-type point location and the panoramic picture of the target step-type point location.
As can be seen from the explanation of fig. 2, in the time t2, except for the initial time and the final time, the pictures seen by the user are superimposed pictures projected by the point light sources of the two step-type point positions, so as to improve the perception of the user, in the panoramic picture switching, the sum of the brightness value of the point light source of the current step-type point position and the brightness value of the point light source of the target step-type point position is always k, and because the sum of the brightness values of the two point light sources is always k, the superimposed pictures projected by the point light sources of the two step-type point positions can not exceed the default brightness, and therefore, when the pictures are switched, brightness change can not occur, and the stable brightness can bring the best visual effect to the user.
Example 2
A system for switching panoramic views in step roaming, as shown in fig. 3, which is constructed for a step virtual scene in the same method as in embodiment 1, and includes:
The time setting unit is used for setting the time of single movement of a user between two stepping point positions as t1, setting the time of panoramic picture switching between the two stepping point positions as t2 and setting the sizes of t1 and t2 as t1 & gtt 2; the time setting unit sets the sizes of t1 and t2 to be 1.5 t2 less than or equal to t1 less than or equal to 2.5 t2.
The brightness setting unit is used for setting the original brightness of the panoramic picture as the default brightness of the scene picture, wherein the brightness value of the light source at the time of the default brightness is k, the brightness value of the light source at the time of the lowest brightness is 0, and the brightness of the scene picture can be changed by adjusting the brightness value of the point light source; in the luminance setting unit, when the luminance value of the point light source varies within the time t2, the magnitude of the luminance value is linearly converted with time.
The step detection unit is used for starting step detection and monitoring operation information of a user, wherein the operation information is an instruction information which is input by the user and moves from a current step-type point position to a target step-type point position; the method for the instruction message input by the user and moving from the current stepping point to the target stepping point comprises the following steps: the user clicks the step-by-step point of the scene interface to enable the client to receive the message of the target step-by-step point as an input instruction message, or the user moves towards the step-by-step point through the moving operation rod of the scene interface to enable the client to receive the message of the target step-by-step point as an input instruction message.
The picture switching unit is used for executing panoramic picture switching and user movement simultaneously after receiving the instruction message, and the panoramic picture switching method comprises the following steps: in t2, controlling the brightness value of the point light source of the current stepping point location to gradually decrease from k to 0, and gradually increasing the brightness value of the point light source of the target stepping point location from 0 to k; the user moving method comprises the following steps: and in t1, completing the movement of the user from the current stepping point to the target stepping point, wherein in the panoramic picture switching of the picture switching unit, the sum of the brightness value of the point light source of the current stepping point and the brightness value of the point light source of the target stepping point is always k.
Embodiment 2 is substantially the same as embodiment 1, and therefore the working principle of each unit in embodiment 2 is not described in detail.
Example 3
The embodiment provides a storage medium, which comprises a storage program area and a storage data area, wherein the storage program area can store an operating system, a program required by running an instant messaging function and the like; the storage data area can store various instant messaging information, operation instruction sets and the like. A computer program is stored in the stored program area, which when executed by a processor implements the method of switching panoramic views in step-by-step roaming as described in embodiment 1. The processor may comprise one or more central processing units or a digital processing unit or the like.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The method is applied to a stepping virtual scene projected based on patterned illumination, a plurality of point light sources are arranged in the virtual scene, panoramic pictures are enclosed on the surfaces of the point light sources, pictures of the virtual scene are formed by projecting the panoramic pictures through the point light sources, and the position of each point light source is set as a stepping point position, and is characterized by comprising the following steps:
Setting the time of single movement of a user between two stepping point positions as t1, setting the time of panoramic picture switching between the two stepping point positions as t2, and setting the sizes of t1 and t2 as t1 & gtt 2;
Setting the original brightness of the panoramic picture as the default brightness of the scene picture, setting the brightness value of the light source at the time point of the default brightness as k, setting the brightness value of the light source at the time point of the lowest brightness as 0, and adjusting the brightness value of the point light source to change the brightness of the scene picture;
Starting step detection, and monitoring operation information of a user, wherein the operation information is an instruction information which is input by the user and moves from a current step-type point position to a target step-type point position;
After receiving the instruction message, simultaneously executing panoramic picture switching and user movement, wherein the panoramic picture switching method comprises the following steps: in t2, controlling the brightness value of the point light source of the current stepping point location to gradually decrease from k to 0, and gradually increasing the brightness value of the point light source of the target stepping point location from 0 to k; the user moving method comprises the following steps: and in the time t1, completing the movement of the user from the current stepping point to the target stepping point.
2. The method for switching a panorama during step-roaming according to claim 1, wherein the sizes of the settings t1 and t2 are 1.5×t2.ltoreq.t1.ltoreq.2.5×t2.
3. The method according to claim 1, wherein the brightness value of the point light source is linearly changed between the brightness value and time when the brightness value is changed within the time t 2.
4. A method for switching a panoramic view in stepwise roaming according to claim 1 or 3, wherein in the panoramic image switching, the sum of the luminance value of the point light source of the current stepwise point location and the luminance value of the point light source of the target stepwise point location is always k.
5. The method for switching a panorama in step roaming according to claim 1, wherein the method for moving the instruction message from the current step point to the target step point inputted by the user is as follows: the user clicks the step-by-step point of the scene interface to enable the client to receive the message of the target step-by-step point as an input instruction message, or the user moves towards the step-by-step point through the moving operation rod of the scene interface to enable the client to receive the message of the target step-by-step point as an input instruction message.
6. A system for switching panoramic pictures in a stepping roaming, which is applied to a stepping virtual scene projected based on patterned illumination, wherein a plurality of point light sources are arranged in the virtual scene, panoramic pictures are enclosed on the surfaces of the point light sources, pictures of the virtual scene are formed by projecting the panoramic pictures through the point light sources, and the position of each point light source is set as a stepping point position, and the system is characterized by comprising:
The time setting unit is used for setting the time of single movement of a user between two stepping point positions as t1, setting the time of panoramic picture switching between the two stepping point positions as t2 and setting the sizes of t1 and t2 as t1 & gtt 2;
The brightness setting unit is used for setting the original brightness of the panoramic picture as the default brightness of the scene picture, wherein the brightness value of the light source at the time of the default brightness is k, the brightness value of the light source at the time of the lowest brightness is 0, and the brightness of the scene picture can be changed by adjusting the brightness value of the point light source;
The step detection unit is used for starting step detection and monitoring operation information of a user, wherein the operation information is an instruction information which is input by the user and moves from a current step-type point position to a target step-type point position;
the picture switching unit is used for executing panoramic picture switching and user movement simultaneously after receiving the instruction message, and the panoramic picture switching method comprises the following steps: in t2, controlling the brightness value of the point light source of the current stepping point location to gradually decrease from k to 0, and gradually increasing the brightness value of the point light source of the target stepping point location from 0 to k; the user moving method comprises the following steps: and in the time t1, completing the movement of the user from the current stepping point to the target stepping point.
7. The system for switching panoramic pictures in step roaming according to claim 6, wherein the time setting unit sets the magnitudes of t1 and t2 to be 1.5×t2.ltoreq.t1.ltoreq.2.5×t2.
8. The system according to claim 6, wherein the brightness setting unit changes the brightness value of the point light source linearly with time when the brightness value is changed within the time t 2.
9. The system for switching panoramic pictures in stepwise roaming according to claim 6 or 8, wherein the sum of the luminance value of the point light source of the current stepwise point location and the luminance value of the point light source of the target stepwise point location is always k in the panoramic picture switching of the picture switching unit.
10. A storage medium having stored thereon a computer program which, when executed by a processor, implements the method of switching panoramas in a step-roaming as claimed in any one of claims 1-5.
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| US20040100565A1 (en) * | 2002-11-22 | 2004-05-27 | Eastman Kodak Company | Method and system for generating images used in extended range panorama composition |
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| TW201238326A (en) * | 2011-03-04 | 2012-09-16 | Tung-Fa Wu | Real-time interactive 3D entertainment device and 3D replication |
| CN109242976A (en) * | 2018-08-02 | 2019-01-18 | 实野信息科技（上海）有限公司 | A method of based on the automatic rotary display of WebGL virtual reality |
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