CN116758250A - Three-dimensional construction park virtual scene visualization method, device and system - Google Patents
Three-dimensional construction park virtual scene visualization method, device and system Download PDFInfo
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- G—PHYSICS
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Abstract
The application discloses a three-dimensional construction park virtual scene visualization method, a device and a system, which relate to the technical field of scene construction and solve the problems that the accuracy of an internal model is not verified and the scaling of each group of pictures is in a consistent state.
Description
Technical Field
The application relates to the technical field of scene construction, in particular to a method, a device and a system for visualizing a virtual scene of a three-dimensional construction park.
Background
Three-dimensional modeling is a process of establishing a space model by using drawing software;
the application of patent publication number CN108307183A relates to the technical field of shooting of movies or advertising scenes, in particular to a virtual scene visualization method and a virtual scene visualization system, wherein the method comprises the steps of establishing a preset virtual scene in a computer by 3D modeling in advance; connecting a three-dimensional camera with a computer, shooting a human body model through the three-dimensional camera, and introducing the human body model into the computer in a scanning way; connecting the dynamic capture system with a computer, detecting the capture equipment in the dynamic capture system through the computer, and putting the capture equipment on joints of a human body; compared with the prior art, the motion capture of the actors is carried out by only building the virtual scene in the computer, the motion capture of the actors is carried out by the dynamic capture system, and the human body model is presented in the virtual scene, so that the investment of live-action shooting is reduced, and the manufacturing cost of the movie or advertisement is reduced.
In the park construction process, the three-dimensional scene generally needs to be constructed according to corresponding three-dimensional scene data, and after construction is completed, the model is directly put into use, the accuracy of the model in the three-dimensional scene is not checked, so that whether the corresponding model has a little problem is unclear, and in the follow-up normal use process, the scaling ratio of each group of pictures is in a consistent state, so that the observation experience of participators can be influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides a three-dimensional virtual scene visualization method, device and system for a construction park, which solve the problems that the accuracy of an internal model is not checked and the scaling of each group of pictures is in a consistent state.
In order to achieve the above purpose, the application is realized by the following technical scheme: a three-dimensional build campus virtual scene visualization system comprising:
the data input end is used for inputting and confirming visual data of the park and transmitting the confirmed visual data into the park scene construction end;
the park scene construction end receives the input visual data, constructs a three-dimensional scene corresponding to the park according to the received visual data, and preferentially transmits the constructed three-dimensional scene to the verification terminal;
the height analysis unit inside the verification terminal confirms different building models in the three-dimensional scene and performs verification analysis on the building models belonging to the same type, and the specific mode is as follows:
confirming building models belonging to the same type in the three-dimensional scene, and marking the confirmed building models belonging to the same type as a model set to be analyzed;
confirming the top center point from the corresponding model to be analyzed, confirming the bottom center point belonging to the model to be analyzed, confirming the distance parameter between the two points, and marking the distance parameter as J i Wherein i represents different models to be analyzed;
combining several groups of distance parameters J i Performing combination analysis to judge whether the values are the same, if so, generating an angle checking signal, transmitting the angle checking signal into an angle checking unit, and if not, generating an error signal and transmitting the error signal into an external display end;
the angle verification unit is used for carrying out offset angle analysis on the model set to be analyzed according to the angle verification signal, and judging whether the corresponding model to be analyzed has offset conditions according to the specific analysis result, wherein the specific mode is as follows:
receiving an angle verification signal, laterally analyzing and identifying a model to be analyzed, confirming a side view corresponding to the model to be analyzed, confirming the topmost position of the upper end of the model to be analyzed from the side view, confirming the top point, subsequently confirming the side points positioned at two sides of the lower end of the top point from the side view, connecting the three points, and confirming a triangle line segment to be analyzed belonging to the model to be analyzed;
combining the triangle line segment to be analyzed with a two-dimensional coordinate system, thereby confirming the vertex coordinate parameter of the triangle line segment to be analyzed, respectively confirming the coordinate parameters of two side points, confirming the primary equation of the two-point connection between the vertex coordinate parameter and the side point coordinate parameter, obtaining an internal K value, confirming the primary equation of the two-point connection between the vertex coordinate parameter and the other side point coordinate parameter in the same way, obtaining an internal K value, and combining two groups of K values to obtain a K value set (K1, K2) belonging to the model to be analyzed;
comparing a plurality of sets of K values belonging to the same model set to be analyzed, analyzing whether the values are consistent, marking the model to be analyzed with inconsistent values as an abnormal model, directly transmitting the abnormal model to an external terminal, timely correcting the abnormal model, and retransmitting the corrected three-dimensional scene to a park scene construction end;
the visual VR end is used for wearing use equipment for external visualization, is used for external personnel to experience virtual scenes, and is transmitted into the experience terminal according to actual use data;
the point position confirmation unit inside the experience terminal extracts the corrected three-dimensional scene, confirms the initial position of the participator, and confirms the zoom parameter package according to the picture proportion, wherein the specific mode is as follows:
confirming the initial position of the participator according to the actual use data, confirming the initial point position and visual direction of the participator, after confirming the initial point position, carrying out peripheral radiation confirmation on a peripheral radiation ring according to a planned radius parameter X1, and confirming the zoom range belonging to the participator, wherein X1 is a preset value;
then according to the confirmed visual direction, confirming a visual range circle according to the radiation arc length Y1, wherein the radiation arc length Y1 of the visual range circle is a preset value;
marking the overlapping area of the visual measuring range circle and the surrounding radiation circle as a scaling area, confirming the building model belonging to the scaling area, confirming the visual measuring area parameter of the corresponding personnel relative to the building model from the confirmed initial point and visual measuring direction, and marking the area parameter as MJ t-q Wherein t represents different building models, and q represents the surfaces to be visually inspected of the different building models;
by taking the area parameter MJ t-q Comparing with a preset parameter Y2, wherein the specific value of Y2 is drawn by an operator according to experience, and when MJ t-q When not less than Y2, the first scaling parameter packet is used, otherwise, the second scaling parameter packet is used to scale the corresponding mark t-qBinding the parameter packets and transmitting the parameter packets into a picture scaling unit;
and the picture scaling unit is used for scaling the observed picture in equal proportion according to the specific trend and the running speed of the participator, wherein the parameters for scaling in equal proportion are provided by corresponding scaling parameter packages.
Preferably, the three-dimensional virtual scene visualization method for the park comprises the following steps:
s1, constructing a three-dimensional scene preferentially according to input visual data, analyzing and checking the constructed three-dimensional scene, checking the height numerical value preferentially, analyzing whether the heights of corresponding building models in the three-dimensional scene are consistent, if so, performing subsequent angle checking, if not, directly generating an error signal, displaying the error signal in an external display end, and correcting in time;
s2, confirming vertexes belonging to the same model, confirming corresponding side points, thus constructing corresponding triangular line segments to be analyzed, combining different triangular line segments to be analyzed with a two-dimensional coordinate system, confirming trend parameters K of the side lines on two sides, confirming abnormal building models according to a K value set, and correcting in time;
s3, actually applying the corrected three-dimensional scene, confirming the initial position and visual direction of the participators, constructing corresponding peripheral radiation rings and visual range rings, combining the two groups of circles, and confirming the zoom area;
s4, confirming the building model existing in the scaling area, so that visual areas of the positions are confirmed, selecting different scaling parameter packages according to the difference of the visual areas, and then scaling the observed picture in the moving process in an equal proportion according to the selected scaling parameter packages, so that the actual feeling of the participators is improved.
Preferably, the three-dimensional construction park virtual scene visualization device comprises a data input device for inputting visualization data for constructing a three-dimensional scene;
the system also comprises at least two groups of numerical analysis modules, wherein one group of numerical analysis modules is used for analyzing whether the height numerical values of the building model are consistent or not, and the other group of numerical analysis modules is used for analyzing whether the building model is deviated or not;
the system also comprises an equal-scale scaling module for confirming the building model in the scaling area, so that the visual area of the confirmation part is visually checked, different scaling parameter packages are selected according to the difference of the visual areas, and then the observed picture in the moving process is scaled in equal proportion according to the selected scaling parameter packages.
The application provides a three-dimensional construction park virtual scene visualization method, device and system. Compared with the prior art, the method has the following beneficial effects:
according to the application, through the high-grade height analysis of the building model in the three-dimensional scene, a mode of determining the center points at the two ends of the corresponding model is adopted to determine whether the heights of the building models belonging to the same type are consistent, the building models are corrected according to the determination result, then offset angle analysis is carried out, the triangular line segments to be analyzed are determined according to the determined vertexes and the edge points, then, the trend k values of the edge line segments are determined by combining a two-dimensional coordinate system, and then, the building model with abnormal angles can be determined according to the comparison of the k value sets;
subsequently, the positions of the participants in the three-dimensional scene are confirmed, the zoom area is confirmed according to the confirmed positions and the visual direction, the corresponding zoom scale parameters are confirmed according to the visual specific area parameters, and the observation picture is zoomed in real time, so that the participation experience of the participants is improved, and the real experience of the participants is improved.
Drawings
FIG. 1 is a schematic diagram of a principal frame of the present application;
FIG. 2 is a visual schematic of a participant in the present application.
Detailed Description
The following description of the embodiments of the present application 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 application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
Referring to fig. 1, the application provides a three-dimensional virtual scene visualization system for constructing a park, which comprises a data input end, a visual VR end and a park scene analysis center, wherein the data input end and the visual VR end are electrically connected with the input end of the park scene analysis center;
the park scene analysis center comprises a park scene construction end, a verification terminal, an experience terminal and a signal generation unit, wherein the verification terminal comprises a height analysis unit and an angle verification unit, the height analysis unit is electrically connected with the input end of the angle verification unit, the park scene construction end is electrically connected with the input end of the experience terminal, the experience terminal comprises a point position confirmation unit and a picture scaling unit, the point position confirmation unit is electrically connected with the input end of the picture scaling unit, and the verification terminal is electrically connected with the input end of the signal generation unit;
the data input end is used for inputting and confirming visual data of the park, transmitting the confirmed visual data into the park scene construction end, specifically, when three-dimensional scene construction is carried out, specified scene construction data are generally required to be manually input, and according to the input scene construction data, the park scene analysis center can automatically construct a corresponding three-dimensional scene;
the park scene construction end receives the input visual data, constructs a three-dimensional scene of a corresponding park according to the received visual data, and preferentially transmits the constructed three-dimensional scene to the verification terminal;
the height analysis unit inside the verification terminal confirms different building models in the three-dimensional scene, performs verification analysis on the building models of the same type, judges whether the building models of the same type are identical in height, performs angle verification if the building models are identical, directly generates error signals if the building models are not identical, transmits the error signals to an external display terminal, and timely corrects the three-dimensional scene, wherein the specific mode of performing the verification analysis is as follows:
confirming building models belonging to the same type in the three-dimensional scene, wherein the visual data used by the building models of the same type are the same, so that the same building model can be confirmed through the same visual data, and then marking the confirmed building models belonging to the same type as a model set to be analyzed;
confirming the top center point from the corresponding model to be analyzed, confirming the bottom center point belonging to the model to be analyzed, confirming the distance parameter between the two points, and marking the distance parameter as J i Wherein i represents different models to be analyzed;
combining several groups of distance parameters J i And (3) carrying out combined analysis to judge whether the building model is the same numerical value, if the building model is the same numerical value, generating an angle checking signal, transmitting the angle checking signal into an angle checking unit, if the building model is not the same, generating an error signal, transmitting the error signal into an external display end, specifically, transmitting the error signal into the building model of the same type, wherein the height parameter of the building model is the same numerical value, and if the building model is not the same, the building model has deviation in the construction process and needs to be adjusted in time to correct the three-dimensional scene.
The angle verification unit performs offset angle analysis on the model set to be analyzed according to the angle verification signal, and judges whether the corresponding model to be analyzed has offset conditions according to a specific analysis result, wherein the specific mode of performing the offset angle analysis is as follows:
receiving an angle verification signal, laterally analyzing and identifying a model to be analyzed, confirming a side view corresponding to the model to be analyzed, confirming the topmost position of the upper end of the model to be analyzed from the side view, confirming the top point, subsequently confirming the side points positioned at two sides of the lower end of the top point from the side view, connecting the three points, and confirming a triangle line segment to be analyzed belonging to the model to be analyzed;
combining the triangle line segment to be analyzed with a two-dimensional coordinate system, thereby confirming the vertex coordinate parameter of the triangle line segment to be analyzed, respectively confirming the coordinate parameters of two side points, confirming the primary equation of the connection of the two points by the vertex coordinate parameter and the side point coordinate parameter, obtaining an internal K value, confirming the primary equation of the connection of the two points according to the vertex coordinate parameter and the other side point coordinate parameter in the same mode, obtaining an internal K value, combining two groups of K values to obtain a K value set (K1, K2) belonging to the model to be analyzed, and respectively marking the K1 and the K2 for the convenience of distinguishing;
comparing a plurality of sets of K values belonging to the same model set to be analyzed, analyzing whether the values are consistent, marking the model to be analyzed with inconsistent values as an abnormal model, directly transmitting the abnormal model to an external terminal, timely correcting the abnormal model, and retransmitting the corrected three-dimensional scene to a park scene construction end;
specifically, when confirming a triangle line segment to be analyzed, confirming a corresponding triangle line segment according to the same point position in the same model, translating the triangle line segment, confirming corresponding point position coordinates, wherein in the translation process, although the point position coordinates are inconsistent, the specific trend and k values of the triangle line segment are consistent, and similarly, if the corresponding triangle line segment is oblique, the k values generated by the triangle line segment are inconsistent, and if the k values are inconsistent, the corresponding model is oblique, correction and processing are needed in time, so that the authenticity of a three-dimensional scene is ensured;
the visual VR end is an external visual wearing device and is used for external personnel to experience virtual scenes and transmitting the virtual scenes into the experience terminal according to actual use data;
the point location confirmation unit inside the experience terminal extracts the corrected three-dimensional scene, confirms the initial position of the participator, and confirms the zoom parameter package according to the picture proportion, wherein the specific determination mode of different picture zoom parameters of each different model is as follows:
confirming the initial position of the participator according to the actual use data, confirming the initial point position and visual direction of the participator, after confirming the initial point position, carrying out peripheral radiation confirmation on a peripheral radiation ring according to a planned radius parameter X1, and confirming the zoom range belonging to the participator, wherein X1 is a preset value, the specific value of which is planned by an operator according to experience, and the value of X1 is generally 20m;
then according to the confirmed visual direction, confirming a visual range circle according to the radiation arc length Y1, wherein the radiation arc length Y1 of the visual range circle is a preset value, and the specific value is drawn by an operator according to experience;
marking the overlapping area of the visual measuring range circle and the surrounding radiation circle as a scaling area, confirming the building model belonging to the scaling area, confirming the visual measuring area parameter of the corresponding personnel relative to the building model from the confirmed initial point and visual measuring direction, and marking the area parameter as MJ t-q Wherein t represents different building models, q represents the to-be-visualized surfaces of the different building models, namely the display surfaces which can be seen by the participants, and the areas of the display surfaces which can be seen by the participants are different because the building models are in a fixed state and the angles are different;
by taking the area parameter MJ t-q Comparing with a preset parameter Y2, wherein the specific value of Y2 is drawn by an operator according to experience, and when MJ t-q When the parameter is not less than Y2, a first scaling parameter packet is used, otherwise, a second scaling parameter packet is used, the corresponding mark t-q and the corresponding scaling parameter packet are bound and transmitted into a picture scaling unit, wherein the execution parameters in different scaling parameter packets are different and are all drawn up in advance by an operator;
the picture scaling unit is used for scaling the observed picture in equal proportion according to the specific trend and the line speed of the participators, wherein the parameters for scaling in equal proportion are provided by corresponding scaling parameter packages;
the point position confirming unit and the picture zooming unit are executed simultaneously, and the visual direction of the participators is changed at any time and the running speed is changed at any time, so that the observed corresponding area parameters are also changed in real time, corresponding zooming parameter packages are generated in real time according to the real-time changed area parameters, and real-time zooming is carried out, so that the participatory experience of the participators is improved, and the real feeling of the participators is improved;
example two
In a specific real-time process, the specific difference of the embodiment is that:
the three-dimensional virtual scene visualization method for the construction park comprises the following steps:
s1, constructing a three-dimensional scene preferentially according to input visual data, analyzing and checking the constructed three-dimensional scene, checking the height numerical value preferentially, analyzing whether the heights of corresponding building models in the three-dimensional scene are consistent, if so, performing subsequent angle checking, if not, directly generating an error signal, displaying the error signal in an external display end, and correcting in time;
s2, confirming vertexes belonging to the same model, confirming corresponding side points, thus constructing corresponding triangular line segments to be analyzed, combining different triangular line segments to be analyzed with a two-dimensional coordinate system, confirming trend parameters K of the side lines on two sides, confirming abnormal building models according to a K value set, and correcting in time;
s3, actually applying the corrected three-dimensional scene, confirming the initial position and visual direction of the participators, constructing corresponding peripheral radiation rings and visual range rings, combining the two groups of circles, and confirming the zoom area;
s4, confirming the building model existing in the scaling area, so that visual areas of the positions are confirmed, selecting different scaling parameter packages according to the difference of the visual areas, and then scaling the observed picture in the moving process in an equal proportion according to the selected scaling parameter packages, so that the actual feeling of the participators is improved.
Example III
In the specific implementation process of this embodiment, the specific difference is that:
the three-dimensional construction park virtual scene visualization device comprises a data input device, a data output device and a data processing device, wherein the data input device is used for inputting visualization data for constructing a three-dimensional scene;
the system also comprises at least two groups of numerical analysis modules, wherein one group of numerical analysis modules is used for analyzing whether the height numerical values of the building model are consistent or not, and the other group of numerical analysis modules is used for analyzing whether the building model is deviated or not;
the system also comprises an equal-scale scaling module for confirming the building model in the scaling area, so that the visual area of the confirmation part is visually checked, different scaling parameter packages are selected according to the difference of the visual areas, and then the observed picture in the moving process is scaled in equal proportion according to the selected scaling parameter packages.
Example IV
This embodiment includes all of the three embodiments described above in the specific implementation.
Some of the data in the above formulas are numerical calculated by removing their dimensionality, and the contents not described in detail in the present specification are all well known in the prior art.
The above embodiments are only for illustrating the technical method of the present application and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present application may be modified or substituted without departing from the spirit and scope of the technical method of the present application.
Claims (6)
1. The three-dimensional virtual scene visualization system for the park is characterized by comprising the following steps:
the data input end is used for inputting and confirming visual data of the park and transmitting the confirmed visual data into the park scene construction end;
the park scene construction end receives the input visual data, constructs a three-dimensional scene corresponding to the park according to the received visual data, and preferentially transmits the constructed three-dimensional scene to the verification terminal;
the height analysis unit in the verification terminal confirms different building models in the three-dimensional scene, performs verification analysis on the building models of the same type, judges whether the building models of the same type are identical in height, executes the angle verification unit if the building models are identical, and directly generates an error signal if the building models are not identical;
the angle verification unit is used for carrying out offset angle analysis on the model set to be analyzed according to the angle verification signal, and judging whether the corresponding model to be analyzed has offset conditions according to the specific analysis result;
the visual VR end is used for wearing use equipment for external visualization, is used for external personnel to experience virtual scenes, and is transmitted into the experience terminal according to actual use data;
the point position confirmation unit in the experience terminal extracts the corrected three-dimensional scene, confirms the initial position of the participator, and confirms the zoom parameter package according to the picture proportion;
and the picture scaling unit is used for scaling the observed picture in equal proportion according to the specific trend and the running speed of the participator, wherein the parameters for scaling in equal proportion are provided by corresponding scaling parameter packages.
2. The three-dimensional building park virtual scene visualization system according to claim 1, wherein the specific way for the height analysis unit to determine whether the heights of the building models of the same type are consistent is:
confirming building models belonging to the same type in the three-dimensional scene, and marking the confirmed building models belonging to the same type as a model set to be analyzed;
confirming the top center point from the corresponding model to be analyzed, confirming the bottom center point belonging to the model to be analyzed, confirming the distance parameter between the two points, and marking the distance parameter as J i Wherein i represents different models to be analyzed;
combining several groups of distance parameters J i And (3) carrying out combination analysis to judge whether the values are the same, if so, generating an angle checking signal, transmitting the angle checking signal into an angle checking unit, and if not, generating an error signal and transmitting the error signal into an external display terminal.
3. The three-dimensional building campus virtual scene visualization system according to claim 2, wherein the specific manner of performing the offset angle analysis by the angle verification unit is:
receiving an angle verification signal, laterally analyzing and identifying a model to be analyzed, confirming a side view corresponding to the model to be analyzed, confirming the topmost position of the upper end of the model to be analyzed from the side view, confirming the top point, subsequently confirming the side points positioned at two sides of the lower end of the top point from the side view, connecting the three points, and confirming a triangle line segment to be analyzed belonging to the model to be analyzed;
combining the triangle line segment to be analyzed with a two-dimensional coordinate system, thereby confirming the vertex coordinate parameter of the triangle line segment to be analyzed, respectively confirming the coordinate parameters of two side points, confirming the primary equation of the two-point connection between the vertex coordinate parameter and the side point coordinate parameter, obtaining an internal K value, confirming the primary equation of the two-point connection between the vertex coordinate parameter and the other side point coordinate parameter in the same way, obtaining an internal K value, and combining two groups of K values to obtain a K value set (K1, K2) belonging to the model to be analyzed;
comparing a plurality of sets of K values belonging to the same model set to be analyzed, analyzing whether the values are consistent, marking the model to be analyzed with inconsistent values as an abnormal model, directly transmitting the abnormal model into an external terminal, timely correcting, and retransmitting the corrected three-dimensional scene into a park scene construction end.
4. The three-dimensional building park virtual scene visualization system according to claim 1, wherein the point location confirmation unit confirms the scaling parameter package in the following specific manner:
confirming the initial position of the participator according to the actual use data, confirming the initial point position and visual direction of the participator, after confirming the initial point position, carrying out peripheral radiation confirmation on a peripheral radiation ring according to a planned radius parameter X1, and confirming the zoom range belonging to the participator, wherein X1 is a preset value;
then according to the confirmed visual direction, confirming a visual range circle according to the radiation arc length Y1, wherein the radiation arc length Y1 of the visual range circle is a preset value;
marking the overlapping area of the visual measuring range circle and the surrounding radiation circle as a scaling area, confirming the building model belonging to the scaling area, confirming the visual measuring area parameter of the corresponding personnel relative to the building model from the confirmed initial point and visual measuring direction, and marking the area parameter as MJ t-q Wherein t represents different building models, and q represents the surfaces to be visually inspected of the different building models;
by taking the area parameter MJ t-q Comparing with a preset parameter Y2, wherein the specific value of Y2 is drawn by an operator according to experience, and when MJ t-q And when the mark is not less than Y2, the first scaling parameter packet is used, otherwise, the second scaling parameter packet is used, the corresponding mark t-q and the corresponding scaling parameter packet are bound, and the corresponding mark t-q and the corresponding scaling parameter packet are transmitted into the picture scaling unit.
5. A three-dimensional build campus virtual scene visualization method, operating based on the three-dimensional build campus virtual scene visualization system of any one of claims 1-4, comprising the steps of:
s1, constructing a three-dimensional scene preferentially according to input visual data, analyzing and checking the constructed three-dimensional scene, checking the height numerical value preferentially, analyzing whether the heights of corresponding building models in the three-dimensional scene are consistent, if so, performing subsequent angle checking, if not, directly generating an error signal, displaying the error signal in an external display end, and correcting in time;
s2, confirming vertexes belonging to the same model, confirming corresponding side points, thus constructing corresponding triangular line segments to be analyzed, combining different triangular line segments to be analyzed with a two-dimensional coordinate system, confirming trend parameters K of the side lines on two sides, confirming abnormal building models according to a K value set, and correcting in time;
s3, actually applying the corrected three-dimensional scene, confirming the initial position and visual direction of the participators, constructing corresponding peripheral radiation rings and visual range rings, combining the two groups of circles, and confirming the zoom area;
s4, confirming the building model existing in the scaling area, so that visual areas of the positions are confirmed, selecting different scaling parameter packages according to the difference of the visual areas, and then scaling the observed picture in the moving process in an equal proportion according to the selected scaling parameter packages, so that the actual feeling of the participators is improved.
6. A three-dimensional build park virtual scene visualization apparatus operating based on the three-dimensional build park virtual scene visualization system of any one of claims 1-4, comprising a data inputter for inputting visualization data for building a three-dimensional scene;
the system also comprises at least two groups of numerical analysis modules, wherein one group of numerical analysis modules is used for analyzing whether the height numerical values of the building model are consistent or not, and the other group of numerical analysis modules is used for analyzing whether the building model is deviated or not;
the system also comprises an equal-scale scaling module for confirming the building model in the scaling area, so that the visual area of the confirmation part is visually checked, different scaling parameter packages are selected according to the difference of the visual areas, and then the observed picture in the moving process is scaled in equal proportion according to the selected scaling parameter packages.
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