CN106296783A - A kind of combination space overall situation 3D view and the space representation method of panoramic pictures - Google Patents
A kind of combination space overall situation 3D view and the space representation method of panoramic pictures Download PDFInfo
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
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- G06T2200/08—Indexing scheme for image data processing or generation, in general involving all processing steps from image acquisition to 3D model generation
Abstract
A kind of combination space overall situation 3D view and the space representation method of panoramic pictures, comprise the following steps: 1) 3D modeling panoramic pictures is generated the texturing of space overall situation 3D model；2) utilize 3 d graphic library to represent step 1) generate complete pinup picture by the 3D model in space to be presented；3) panoramic pictures collection, the panoramic pictures gathering multiple preset points of observation with indoor panorama three-dimensional data twin shaft automatic acquisition device in space to be presented records the exact space 3D coordinate information of each point of observation, and the corresponding panoramic pictures rotary shaft information including zero angle information in the 3D model in space to be presented simultaneously；4) 3D panorama mapping algorithm is utilized by step 3) panoramic pictures that obtains is mapped in step 1) obtain on 3D model；5) 3D model display pattern and panoramic pictures show the switching of pattern.
Description
Technical field
The present invention relates to the use of the three dimensions display technique of computer or the Internet, by combine space 3D data and
Panoramic pictures reaches being demonstrated the space comprehensive methods of exhibiting from the overall situation to details.
Background technology
Existing space representation method mainly has panoramic pictures to show and three-dimensional modeling is shown.Panoramic pictures lacks three dimensions
According to, Scene Representation lacks the displaying of the overall situation.And three-dimensional modeling is divided into manual measurement data modeling based on mapping and three-dimensional to sweep
Retouch modeling.The former lacks real structure and texture information by made model, and scene sense of reality is the strongest；Although the latter space is tied
Structure is built with sense of reality, but grain details is the most perfect.Therefore, existing space representation method can be broadly divided into: (one) panorama
The displaying of picture, the 3D craft modeler model displaying of (two) scene, the 3D scanning modeling model display of (three) scene.Applicant
In the range of retrieval, the existing document that the method for space representation can see method () is as follows:
In technical scheme disclosed in Chinese patent literature CN201110426966, by least including the complete of two photographic head
Scape camera head shooting space, the visual angle sum of the most all cam lens forms the sphere visual angle more than or equal to 360 degree,
Then the image processing software picture to different photographic head shootings will be utilized after the image transmitting photographed to image processing terminal
Junction is modified, and makes the picture of different photographic head shooting realize smooth combination, generates 360 ° of panoramas.Free owing to not being
Between three-dimensional data, lack scene global displaying；
In technical scheme disclosed in Chinese patent literature CN201210412995, the photo of panoramic picture is carried out at perspective
Reason, to be modeled as real 3D scene, generates the file set with map mark.But the method lacks real spatial information,
Feeling of immersion is the strongest；
Flat green grass or young crops deliver " 360 degree of panoramic techniques digital museum application (digital technology and application, 09 phase in 2015,
87) " take a photo that rotating camera shooting space overlaps in center, carry out splicing with PS software and make panorama sketch
Sheet, then plays on plug-in unit, and user browses space only in program setting, it is impossible to realize interactively Consumer's Experience；
In technical scheme disclosed in Chinese patent literature CN201510167536.7, obtain aphorama with high-definition camera system
Frequency evidence, is spliced into 360 degree of videos by video-splicing software by the video data obtained, and final effect is that user can select
Switch between two-dimensional map and panoramic table, and then check positional information.Its shortcoming mainly two-dimensional map only comprises
Geographical position and geographic name, lack actual geographic image, and Web Publishing form not only had by three-dimensional panoramic video stream map
Requirement, and data volume is big, and the data network load time is long, and the fluency that video panorama is play is affected relatively by network broadband
Greatly；
In technical scheme disclosed in Chinese patent literature CN200910127737.9, represent article method and be characterised by:
Respond different operational orders to show different sequence images or animation, when beholder is with different command operating, make image cut
Change on the image of respective angles, make beholder's freely multi angle view be taken article.Although the thing of this kind of method shooting
The angle of product is many, and the photo of collection is many, but the mode that photo formula browses still shows article with two dimensional image, lacks three dimensions
According to, scene switching is the most smooth.
In technical scheme disclosed in Chinese patent literature CN200610053842.9, produce sequence static map with general camera
Picture, reapplies software engineering and serial static image is spliced into 360 degree of cylindricalitys looks around panorama sketch, owing to the method uses cylinder complete
Jing Tu, institute in this way can only 360 degree look around, it is impossible to multi angle view object, lack the object dimensional degree of depth due to the method again
Information, it is impossible to construct the axonometric chart with distance perspective.
Chinese patent literature CN201310084834.0) disclosed in technical scheme, set first with high definition bitmap collection
360 degree of omnidirectional image datas of standby acquisition, by advanced computer graphic image technology, are processed place to early stage bitmap
Reason, forms outdoor scene full figure, then live-action panorama is carried out secondary operations, the panorama sketch under each environment of connecting.Image adds
Add interactive interface, develop human-computer interaction interface based on Kinect, it is achieved the intelligent mutual impression of action command.The method is only
User can be allowed to experience the visual experience of two-dimensional panoramic figure of informative, owing to lacking three-dimensional data information, it is impossible to true
Real scene of three-dimensionally reducing.
The existing document of method (two) is as follows:
Liu Jun etc. deliver " modeling of the three dimension realistic of the site of ancient culture remains and virtual display technology (and computer engineering, 2010
20 phases, 286 290) " use projection domain Triangulation Technique fine modeling after 3 D laser scanning, then propose two-step method and enter
Row texture maps, although achieve stronger sense of reality, but imperfect due to the impact of error and tower body binding site texture
Property result in the inaccuracy of overall space details.And auxiliary building is used on the basis of design drawing by 3D Max
9.0 construct ruins scene, and the topographical information of object is imperfect, lack the real information of space structure；
In technical scheme disclosed in Chinese patent literature CN201310207203.3,3D modeling technique is utilized to be created that house
Model, the most spatially can move freely at house 3D model with the use of virtual video camera, and with relevant position
Displaying house, visual angle 3D model, adds the use of input module and control module, it is achieved human-computer interaction, it is ensured that system realizes various
Personalized displaying demand.Although the three-dimensional data in space can all be shown by this system with panorama, but owing to this is
System uses the method for pure manual 3D modeling to be created that building model, and it is empty that the structure in space and texture are not from actual physics
Between, therefore represent untrue, be cartoon represent effect.
The prior art literature of method (three) is as follows
In technical scheme disclosed in Chinese patent literature 201310343113.7, three-dimensional scenic based on globular projection is proposed
" two dimensional image " mapping method, is described in bidimensional panoramic picture and subsidiary description file by more three-dimensional informations such as the degree of depth
In, thus breach 360 degree panorama sketch of tradition can only show can not immersion roam, the defect of human-computer interaction.Due to this system
Utilizing the position of scene management module analysis room and door, automatically generate some points of observation, viewer can only be from entrance point of observation
Start, the position observed according to syntopy switching, and can not be from main separation point of observation, so this system can not give viewer complete
The displaying in orientation, it is impossible to adapt to the displaying demand of various personalization.
High big " Digital Campus primary construction (the digital skill that three-dimensional panorama combines with 3 D laser scanning delivered by force etc.
Art and application, 05 phase in 2013,106 108) " propose panoramic pictures is combined with laser scanning that to obtain three dimensions complete
The thinking of scape picture, but scheme is not made and illustrating.
By analyzing above-mentioned document it can be seen that three kinds of main method spatial scene shown by computer or network
Respectively there are following pluses and minuses.
One, the displaying of panoramic pictures
A) advantage: the displaying in space is fine and smooth true, especially represents details
B) shortcoming: the switching (panoramic pictures) of scene is lofty, does not has transition；Lack the displaying of scene global, Consumer's Experience
Cannot see the wood for the trees；Lacking the support of three-dimensional data, scene information is abundant not comprehensively.
Two, the 3D craft modeler model of scene shows (similar 3Dmax Hand drawing modeling)
A) advantage: the overall situation showing existing entirety in space represents, has again the details of internal local to represent.
B) shortcoming: owing to structure and the texture in space are not from actual physics space, therefore representing untrue, being
Picture represent effect.
Three, the 3D scanning modeling model display of scene
A) advantage: the structure in space and texture derive from actual physics space, the same existing overall situation has again local to represent, exhibition
Existing strong sense of reality.
B) shortcoming: due to the limitation of scanning sensor own, does not has the panoramic pictures in space, and therefore the details of model lacks
Lose more serious, represent effect barely satisfactory.
To sum up, it is provided that a kind of comprehensive panoramic pictures is shown and three-dimensional modeling shows advantage, and the displaying in space is fine and smooth true, empty
Between the overall situation showing existing entirety represent, have again the details of internal local represent and overcome structure and the stricture of vagina in respective method space
Reason derives from actual physics space, and the same existing overall situation has again local to represent, and represents strong sense of reality, reaches perfect to truly
The displaying in space.
Summary of the invention
It is to provide one for solution the problems referred to above the technical solution used in the present invention and combines space overall situation 3D view and panorama
The space representation method of picture, is characterized in that said method comprising the steps of:
1) 3D modeling, first passes through indoor panorama three-dimensional data twin shaft automatic acquisition device and gathers the degree of depth in space to be presented
Information data and panoramic pictures, utilize 3D modeling method based on various visual angles data fusion that the depth data collected is generated one
Panoramic pictures is also generated the texturing of overall 3D model in space to be presented by the overall 3D model in individual space to be presented.Described
The overall 3D model hereinafter referred to as 3D model in space to be presented
2) 3D model display, utilizes 3 d graphic library to represent step 1) the 3D model completing pinup picture that generates.
3) panoramic pictures collection, gathers multiple in space to be presented with indoor panorama three-dimensional data twin shaft automatic acquisition device
The panoramic pictures of preset point of observation records the exact space 3D coordinate information of each point of observation, and corresponding panoramic pictures simultaneously
The rotary shaft information including zero angle information in 3D model.
4) panoramic pictures maps, and utilizes 3D panorama mapping algorithm by step 3) panoramic pictures that obtains is mapped in step 1)
On 3D model.
5) 3D model display pattern and panoramic pictures show the switching of pattern, when on the 3D model represented, certain is put and this
When the panoramic pictures of the immediate preset point of observation of point switches over, the user perspective in record 3D model, and regard with this user
Angle represents panoramic pictures.When switching back into 3D model from the distant view photograph of this user perspective, preset by be switched in 3D model
On point of observation.
Described a kind of combination space overall situation 3D view and the space representation method of panoramic pictures, is characterized in that described panorama
Picture is cube (Cube) figure
Described a kind of combination space overall situation 3D view and the space representation method of panoramic pictures, is characterized in that described step
4) mapping algorithm of 3D panorama described in specifically includes following steps
4.1) the screen coordinate system X/Y of definition two dimension and three-dimensional 3D model coordinate systems X '/Y '/Z ', described 3D model
The direction of coordinate system is always consistent with the orientation of 3D model, and the center of gravity simultaneously specifying 3D model is former as 3D model coordinate systems
Point O, definition Z ' are the feathering axis of 3D model, and X ' is the vertical rotating shaft of 3D model.
4.2) the feathering axis Z " and vertical rotating shaft X " of definition panoramic pictures.Horizontal rotation by each panoramic pictures
Axle Z " aligns with the feathering axis Z ' travel direction of 3D model coordinate systems, simultaneously by the vertical rotating shaft X of each panoramic pictures "
Align with 3D model coordinate systems vertical rotating shaft travel direction, complete the panoramic pictures mapping to 3D model.
Described a kind of combination space overall situation 3D view and the space representation method of panoramic pictures, is characterized in that described step
5) following steps are specifically included
5.1), when 3D model display pattern is to panoramic pictures displaying patten transformation, record and user are in 3D model display pattern
The direction of observation of the immediate preset point of observation in lower selection region and the level angle of current 3D model.Described level angle is 3D
The coordinate axes X ' of model coordinate systems and the angle with screen coordinate system X-axis,
5.2) select with user-selected area closest to the panoramic pictures of preset point of observation, and make the level of panoramic pictures revolve
Corner Q and step 5.1) level angle equal；
5.3) according to step 5.2) in the feathering angle of panoramic pictures, the indication range of screen and needs complete selected
Scape picture displaying ratio determines the scope that this panoramic pictures shows on screen, this part panoramic pictures is displayed, completes
The conversion of pattern is shown from 3D model display pattern to panoramic pictures.
5.4) inverse operating procedure 5.1)～5.3), can realize showing that pattern is to 3D model display pattern from panoramic pictures
Switching.
Described a kind of combination space overall situation 3D view and the space representation method of panoramic pictures, is characterized in that described indoor
Panorama three-dimensional data twin shaft automatic acquisition device is by gathering panoramic pictures and depth information data acquisition module, horizontal rotatable platform
With pitching rotation platform, it is possible to gather panoramic pictures and depth information data simultaneously.
Described a kind of combination space overall situation 3D view and the space representation method of panoramic pictures, is characterized in that described three
Dimension shape library includes WebGL, local OpenGL or Direct3D.
Described a kind of combination space overall situation 3D view and the space representation method of panoramic pictures, it is characterized in that by whole entirely
The calculating process of each pixel of scape picture is all placed in server end, will show that the 3D model calculating process with panoramic pictures is placed in
User side, server end is connected by network with user side, and user side installs the browser supporting WebGL interface, operates in
The Javascript script of user side browser can call WebGL interface and realize 3D model representing on screen；When from 3D mould
When type is switched to panoramic pictures, while gradually being obscured by 3D model by the shader interface of WebGL, allow panoramic pictures gradually
Clearly.
Compared with prior art, the invention have the advantages that
1, user is possible not only to see the 3D general layout in whole space, simultaneously it can also be seen that local, high-quality space is thin
Joint.
2,3D model and panoramic pictures two kinds show that the switching of pattern is the most smooth, make Consumer's Experience reach optimal.When from
3D pattern to panoramic pictures pattern switch over time, owing to the movement at visual angle is entirely the source position in normal 3d space
To the movement of destination locations, and source position is also a preset point of observation nearest with the target area of user's click, institute
Consistent with the expection with user, experience the most smooth, it is true that preset point of observation is the closeest, this experience is the most smooth.Entering
During row switching, user is difficult to distinguish that oneself see is texturing or the panoramic pictures of 3D model on earth, so 3D model
The process of the panoramic pictures that texturing is transitioned into seems that only viewing area is exaggerated, it is difficult to find district therein
Not.
3, from the point of view of the concrete technology that represents realizes, whole panoramic pictures the calculating process of each pixel be all placed in clothes
Business device end, the calculating process showing 3D model and panoramic pictures is placed in user side, 3D model data and panoramic pictures data can
Load with timesharing, thus can effectively shorten the data network load time, reduce the network bandwidth impact on Consumer's Experience, and have
It is beneficial to be placed on the mobile terminal devices such as mobile phone user side.
Accompanying drawing explanation
Fig. 1 is the feathering axis of the panoramic pictures of an embodiment of the present invention and vertical rotating shaft and direction of rotation is shown
It is intended to；
Fig. 2 is the principle schematic of the 3D model display pattern of an embodiment of the present invention；
Fig. 3 is the principle schematic of the recording level drift angle of an embodiment of the present invention；
Fig. 4 is the principle schematic that the determination panoramic pictures of an embodiment of the present invention represents scope.
Detailed description of the invention
Be further discussed below the present invention below in conjunction with embodiment and accompanying drawing thereof, referring herein to implementation method use browser
HTML5 technology, can also be realized by technology such as classes OpenGL/Direct3D simultaneously, but the claim of the present patent application is protected
Scope of protecting is not limited by implementing concrete technical method.
A kind of combination space overall situation 3D view and the space representation method of panoramic pictures that the present invention provides include following step
Rapid:
1) 3D modeling, first passes through indoor panorama three-dimensional data twin shaft automatic acquisition device and gathers the degree of depth in space to be presented
Information data and panoramic pictures, utilize 3D modeling method based on various visual angles data fusion that the depth data collected is generated one
Panoramic pictures is also generated the texturing of 3D model by the overall 3D model (hereinafter referred to as 3D model) in individual space to be presented.
2) 3D model display, utilizes 3 d graphic library to represent step 1) the 3D model completing pinup picture that generates.
3) panoramic pictures collection, gathers multiple in space to be presented with indoor panorama three-dimensional data twin shaft automatic acquisition device
The panoramic pictures of preset point of observation records the exact space 3D coordinate information of each point of observation, and corresponding panoramic pictures simultaneously
The rotary shaft information including zero angle information in the 3D model in space to be presented.
4) panoramic pictures maps, and utilizes 3D panorama mapping algorithm by step 3) panoramic pictures that obtains is mapped in step 1)
On 3D model.
Embodiment
In the present embodiment, indoor panorama three-dimensional data twin shaft automatic acquisition device includes that horizontal rotatable platform rotates with pitching
The spider of platform, and control the motor of horizontal rotation angle, the motor controlling the pitching anglec of rotation and Microsoft
Kinect, they are commercial products.Kinect is arranged on tripod, can adjust its level by controlling motor
With the pitching anglec of rotation, to complete to treat panoramic pictures and the collection of depth information data in spacial flex.
In the present embodiment, panoramic pictures uses cube (Cube) mode to realize.Moment panoramic pictures is determined only at one
So that one part (according to screen size and displaying ratio) is presented on screen.The 3D model used come from applicant with
The model that the 3D scan mode of Kinect is set up.
Described step 4) described in 3D panorama mapping algorithm specifically include following steps
4.1) the screen coordinate system X/Y of definition two dimension and three-dimensional 3D model coordinate systems X '/Y '/Z ', described 3D model
The direction of coordinate system is always consistent with the orientation of 3D model, and the center of gravity simultaneously specifying 3D model is former as 3D model coordinate systems
Point O, the feathering axis that definition Z ' is 3D model, X ' is the vertical rotating shaft of 3D model.
4.2) the feathering axis Z " and vertical rotating shaft X " of definition panoramic pictures.Depth information data due to 3D model
Gather with panoramic pictures data, therefore by feathering axis Z " and vertical rotating shaft X " and the 3D model of each panoramic pictures simultaneously
The feathering axis Z ' of coordinate system and the alignment of vertical rotating shaft X ' travel direction can complete the panoramic pictures mapping to 3D model.
The feathering axis of described panoramic pictures and vertical rotating shaft and direction of rotation schematic diagram thereof are as shown in Figure 1
Step 5) in specifically include following steps
5.1), when 3D model display pattern is to panoramic pictures displaying patten transformation, record and user are in 3D model display pattern
The direction of observation of the immediate preset point of observation C in lower selection region and the level angle Q of current 3D model.Described level angle is
The coordinate axes X ' of 3D model coordinate systems and the angle with screen coordinate system X-axis.Principle schematic such as Fig. 2 of 3D model display pattern
Shown in, the principle schematic of recording level drift angle is as shown in Figure 3
5.2) select with user-selected area closest to the panoramic pictures cube graph of preset point of observation, and make panoramic pictures
Feathering angle Q and step 5.1) level angle equal；
5.3) according to step 5.2) in the feathering angle of panoramic pictures, the indication range of screen and needs complete selected
Scape picture displaying ratio obtains the scope that this panoramic pictures should show on screen, this part panoramic pictures is displayed,
Complete to show the conversion of pattern from space 3D model display to panoramic pictures.Determine that panoramic pictures represents the principle schematic of scope
As shown in Figure 4.Preset point of observation C in figure, it is the part between aa ' that panoramic pictures represents scope, the horizontal rotation of panoramic pictures
Angle Q be 3D model coordinate systems coordinate axes X ' and with angle (the coordinate axes Y ' equal to 3D model coordinate systems of screen coordinate system X-axis
And with the angle of screen coordinate system Y-axis)
5.4) inverse operating procedure 5.1)～5.3), can realize from 3D pattern to the switching of panoramic pictures pattern.
From actual realize effect from the point of view of, the above-mentioned effect represented is ideal, and it is big that handoff procedure at utmost meets the mankind
Brain thinking habit, has reached good space observation Consumer's Experience.
The inventive method has given full play to the respective advantage that 3D data model is shown and panorama is shown, and by reasonably calculating
Docking seamless for two kinds of methods of exhibiting is got up by method, has reached ideal effect.
Claims (7)
1. combine a space representation method for space overall situation 3D view and panoramic pictures, it is characterized in that described method includes following
Step:
1) 3D modeling, first passes through indoor panorama three-dimensional data twin shaft automatic acquisition device and gathers the depth information in space to be presented
Data and panoramic pictures, utilize 3D modeling method based on various visual angles data fusion the depth data collected generation one to be treated
Panoramic pictures is also generated the texturing of overall 3D model in space to be presented by the overall 3D model of spacial flex, described in wait to open up
Show the overall 3D model hereinafter referred to as 3D model in space；
2) 3D model display, utilizes 3 d graphic library to represent step 1) the 3D model completing pinup picture that generates；
3) panoramic pictures collection, gathers multiple preset in space to be presented with indoor panorama three-dimensional data twin shaft automatic acquisition device
The panoramic pictures of point of observation records the exact space 3D coordinate information of each point of observation simultaneously, and corresponding panoramic pictures is being treated
The rotary shaft information including zero angle information in the 3D model of spacial flex；
4) panoramic pictures maps, and utilizes 3D panorama mapping algorithm by step 3) panoramic pictures that obtains is mapped in step 1) obtain 3D
On model；
5) 3D model display pattern and panoramic pictures show the switching of pattern, when on the 3D model represented certain point to this point
When the panoramic pictures of close preset point of observation switches over, the user perspective in record 3D model, and with this user perspective exhibition
Existing panoramic pictures, when switching back into 3D model from the distant view photograph of this user perspective, will be switched to the preset observation in 3D model
On point.
A kind of combination space overall situation 3D view the most as claimed in claim 1 and the space representation method of panoramic pictures, its feature
Be described panoramic pictures be cube (Cube) figure.
A kind of combination space overall situation 3D view the most as claimed in claim 1 or 2 and the space representation method of panoramic pictures, it is special
Levying is described step 4) described in 3D panorama mapping algorithm specifically include following steps
4.1) the screen coordinate system X/Y of definition two dimension and three-dimensional 3D model coordinate systems X '/Y '/Z ', described 3D model coordinate
The direction of system is always consistent with the orientation of 3D model, and the center of gravity of appointment 3D model is as 3D model coordinate systems initial point O simultaneously,
Definition Z ' is the feathering axis of 3D model, and X ' is the vertical rotating shaft of 3D model；
4.2) the feathering axis Z " and vertical rotating shaft X " of definition panoramic pictures, by the feathering axis Z of each panoramic pictures "
Align with the feathering axis Z ' travel direction of 3D model coordinate systems, simultaneously by the vertical rotating shaft X of each panoramic pictures " and 3D
Model coordinate systems vertical rotating shaft travel direction aligns, and completes the panoramic pictures mapping to 3D model.
A kind of combination space overall situation 3D view the most as claimed in claim 3 and the space representation method of panoramic pictures, its feature
It is described step 5) specifically include following steps
5.1), when 3D model display pattern is to panoramic pictures displaying patten transformation, record and user select under 3D model display pattern
Selecting direction of observation and the level angle of current 3D model of the immediate preset point of observation in region, described level angle is 3D model
The coordinate axes X ' of coordinate system and the angle with screen coordinate system X-axis；
5.2) select with user-selected area closest to the panoramic pictures of preset point of observation, and make the feathering angle of panoramic pictures
Q and step 5.1) level angle equal；
5.3) according to step 5.2) in the feathering angle of panoramic pictures, the indication range of screen and the panorama sketch of needs selected
Sheet displaying ratio determines the scope that this panoramic pictures shows on screen, this part panoramic pictures is displayed, completes from 3D
Model display pattern shows the conversion of pattern to panoramic pictures；
5.4) inverse operating procedure 5.1)～5.3), can realize showing pattern cutting to 3D model display pattern from panoramic pictures
Change.
A kind of combination space overall situation 3D view the most as claimed in claim 1 and the space representation method of panoramic pictures, its feature
It is that described indoor panorama three-dimensional data twin shaft automatic acquisition device is by gathering panoramic pictures and depth information data acquisition module, water
Flat rotation platform and pitching rotation platform, it is possible to gather panoramic pictures and depth information data simultaneously.
A kind of combination space overall situation 3D view the most as claimed in claim 1 and the space representation method of panoramic pictures, its feature
The 3 d graphic library being described includes WebGL, local OpenGL or Direct3D.
A kind of combination space overall situation 3D view the most as claimed in claim 1 and the space representation method of panoramic pictures, its feature
It is that the calculating process of each pixel of whole panoramic pictures is all placed in server end, the meter of 3D model and panoramic pictures will be shown
Calculation process is placed in user side, and server end is connected by network with user side, and user side is installed and supported browsing of WebGL interface
Device, operates in the Javascript script of user side browser and can call WebGL interface and realize 3D model representing on screen；
When from 3D models switching to panoramic pictures, by the shader interface of WebGL by 3D model gradually fuzzy while allow panorama
Picture is the most clear.
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