CN116721226A - Real estate unit dynamic modeling and ownership information association method based on live-action three-dimension - Google Patents
Real estate unit dynamic modeling and ownership information association method based on live-action three-dimension Download PDFInfo
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Abstract
The invention discloses a real estate unit dynamic modeling and ownership information association method based on live-action three-dimension, which relates to the technical field of three-dimension geographic information processing and comprises the following steps: constructing a three-dimensional model of the real estate unit, and performing directional offset on the real estate unit of the three-dimensional model of the real estate unit; acquiring and displaying two-dimensional element information of the real estate unit; combining the rights information database, customizing query keywords, and constructing real property rights information query service flow in the rights information database through the query keywords; and sending a data request to the ownership information database, and acquiring and displaying the ownership information of the corresponding real estate unit in the ownership information database. The invention dynamically builds the three-dimensional model in the expression form and establishes the association between the three-dimensional model and the ownership information database. By means of Web technology and a three-dimensional map rendering engine, development of a three-dimensional analysis platform is carried out, and highly visualized three-dimensional model rendering and strong-interactivity chart display are achieved.
Description
Technical Field
The invention relates to the technical field of three-dimensional geographic information processing, in particular to a real estate unit dynamic modeling and ownership information association method based on live-action three-dimensional.
Background
In economic development planning management, the need for spatial information puts new demands on both spatial granularity and content granularity. The space information needs to go from two dimensions to three dimensions, from outdoor to indoor, and from above ground to underground and ocean. In recent years, cities have changed from original low-rise houses to present high-density cities, and the longitudinal development of the cities in three-dimensional space causes the original space information data system based on two dimensions to keep up with the demands, so that the cities are required to be three-dimensionally decomposed into entities and units such as each floor or ground and underground space according to the height.
At present, most professional software designed for the real property investigation process is only based on two-dimensional display, and the map element expression form is suitable for real property investigation of low buildings such as rural areas, but in the real property investigation process aiming at large modern unit cells in cities, investigation staff can hardly observe and find corresponding real property units rapidly and accurately from the two-dimensional map elements, so that direct query and analysis of real property unit ownership conditions are indirectly influenced, and finally the real property investigation efficiency in large cities is greatly reduced. In addition, since the real property rights information relates to various file information in the real property registration process, the data volume of the file information is huge, and the general two-dimensional map element storage form is not suitable for storing and inquiring the real property rights information, the file information is usually required to be stored separately by means of a database, and various file information cannot be searched and checked in time.
Therefore, how to provide a real-scene three-dimensional-based real estate unit dynamic modeling and ownership information association method, associate a real-estate unit three-dimensional model with an ownership information database, and realize highly visualized three-dimensional model rendering and strong-interactivity chart display is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the invention provides a real-scene three-dimensional real estate unit dynamic modeling and ownership information association method, which dynamically builds a three-dimensional model in the form of representation and establishes association between the real-estate unit three-dimensional model and the ownership information database, thereby overcoming the defects of the traditional two-dimensional analysis software. By means of the development of a three-dimensional analysis platform through a Web technology and a three-dimensional map rendering engine, highly visualized three-dimensional model rendering and strong-interactivity chart display are achieved, and meanwhile the platform also has the functions of flexible terrain display, illumination effect, graphic rendering and the like, and can present more realistic three-dimensional surface scenes.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the real estate unit dynamic modeling and ownership information association method based on real estate three-dimensional comprises the following specific steps:
acquiring all live-action three-dimensional models;
traversing bounding boxes of all the live-action three-dimensional models through position coordinate matching, and selecting a live-action three-dimensional model to be processed;
requesting real estate unit element data of the live-action three-dimensional model from a map service;
constructing a real estate unit three-dimensional model according to the real estate unit element data, and performing directional offset on a real estate unit of the real estate unit three-dimensional model;
acquiring two-dimensional element information of the real estate unit, and displaying the two-dimensional element information;
combining the rights information database, customizing query keywords, and constructing real property rights information query service flow in the rights information database through the query keywords;
and sending a data request to the ownership information database, and acquiring and displaying the ownership information of the corresponding real estate unit in the ownership information database.
Preferably, before the requesting the real estate unit element data of the real scene three-dimensional model from the map service, the method further comprises: utilizing a map service publishing tool to publish a map service of the inquired real estate unit element;
judging whether the to-be-processed live-action three-dimensional model contains released corresponding real estate unit element map services and corresponding ownership information data streams established in an ownership information database;
if not, reselecting the real three-dimensional model to be processed; and if so, requesting real estate unit element data of the live-action three-dimensional model from a map service.
Preferably, constructing a three-dimensional model of the real estate unit according to the real estate unit element data includes:
utilizing a map service release tool to release real estate unit map services matched with the live-action three-dimensional model;
acquiring a real estate unit layer matched with the real estate three-dimensional model to be processed according to the real estate three-dimensional model to be processed, wherein the real estate unit layer comprises element geometric information and element attribute information;
and constructing a three-dimensional model of the real estate unit according to the element geometric information and the element attribute information.
Preferably, the boundaries of the three-dimensional model of the real estate unit adopt corresponding element geometric information; and the stretching height of the real estate unit three-dimensional model corresponds to the height information of the element attribute information.
Preferably, the directional offset of the real estate unit of the three-dimensional model of the real estate unit includes:
using a Web-end three-dimensional map engine as a Cesium frame, and respectively converting the offset distance and the offset direction of the real estate unit three-dimensional model into the variation of a model matrix attribute;
then, performing matrix calculation with the original ModelMatrix attribute to obtain a new ModelMatrix attribute;
and re-rendering the real estate unit three-dimensional model at a new position according to the new modelMatrix attribute to obtain the real estate unit three-dimensional model after directional deviation.
Preferably, the calculating of the offset distance and the offset direction includes:
acquiring a bounding box of a three-dimensional model of the real estate unit, which is required to be subjected to directional offset, wherein the bounding box is positioned at the edge of the three-dimensional model of the real estate unit;
determining the plane coordinates of one point of the live-action three-dimensional model;
comparing the plane coordinates with the bounding box, and finding the edge of the bounding box nearest to the plane coordinates;
calculating the vertical side length and azimuth angle of the bounding box vertical to the nearest side;
the vertical side length represents the offset distance of the three-dimensional model of the real estate unit, and the azimuth angle represents the offset direction of the three-dimensional model of the real estate unit.
Preferably, the query keyword is a real estate unit number;
and the real estate right information inquiry service flow takes the real estate unit number as an inquiry keyword, and the real estate unit three-dimensional model is associated with the real estate right information inquiry service flow.
Preferably, the two-dimensional element information and the rights information are displayed through a display window;
the rights information comprises real estate registration type information and real estate registration flow information;
the real estate registration type information includes: first registration, transfer registration, change registration, deregistration registration, correction registration, objection registration, forenotice registration, audit registration, other registration, mortgage right registration, and merge registration; the real estate registration flow information comprises filled application forms, receiving materials, right registration conditions, submitting and checking and issuing real property certificates/real property registration certificates according to document data display related to different registration flows of different registration types; the rights registering status is classified into construction land use right/home use right, real estate right registering information, mortgage right registering information, check-in registering information, forenotice registering information, and objection registering information according to the registering type.
Compared with the prior art, the invention discloses a real estate unit dynamic modeling and ownership information association method based on live three-dimensional, which comprises the following specific steps: acquiring all live-action three-dimensional models; traversing bounding boxes of all the live-action three-dimensional models through position coordinate matching, and selecting a live-action three-dimensional model to be processed; requesting real estate unit element data of the live-action three-dimensional model from a map service; constructing a real estate unit three-dimensional model according to the real estate unit element data, and performing directional offset on a real estate unit of the real estate unit three-dimensional model; acquiring two-dimensional element information of the real estate unit, and displaying the two-dimensional element information; combining the rights information database, customizing query keywords, and constructing real property rights information query service flow in the rights information database through the query keywords; and sending a data request to the ownership information database, and acquiring and displaying the ownership information of the corresponding real estate unit in the ownership information database.
The invention has the following beneficial effects: the invention realizes the dynamic construction of the real estate unit in the representation form of the three-dimensional model in real estate unit ownership investigation work, establishes the association between the real estate unit three-dimensional model and the ownership information database, and overcomes the defects of the traditional two-dimensional analysis software. The real-scene three-dimensional technology and the Web front-end technology are combined, and the scene expression form of the real-scene three-dimensional model, the high efficiency of the front-end technology and the storage advantage of the database are fully utilized. In the real estate investigation process aiming at the urban large-sized unit cell, investigation staff can quickly and accurately position investigation targets through a dynamically constructed real estate unit three-dimensional model, so that the inquiry and analysis efficiency of real estate unit ownership conditions is indirectly improved; the real estate investigation information and the file are stored in the ownership information database, and the real estate ownership information inquiry service flow is constructed based on the ownership information database, so that the problem of data storage caused by the complexity of the real estate investigation information due to the large data volume can be well solved by means of the data management and the data sharing advantages of the ownership information database, and an interface can be provided for the communication between the real estate unit three-dimensional model and the ownership information database information; the development of the real estate three-dimensional analysis platform is carried out by means of Web technology and a three-dimensional map rendering engine, so that the rendering of a highly visual real estate unit three-dimensional model and the chart display with strong interactivity are realized; meanwhile, the loading method based on the topographic slice data directly loads and displays the manufactured topographic slice data in the three-dimensional scene, the WEBGL-based three-dimensional rendering engine is used for rendering the illumination effect of the three-dimensional oblique photography model by using the shadow rendering method, and the graphic vector json data is loaded and rendered by using the json data loading method. The platform has the functions of flexible terrain display, illumination effect, graphic rendering and the like, presents more realistic three-dimensional scene information, and truly restores real estate investigation scenes; the invention remarkably improves the working efficiency of the real estate investigation process and saves a great deal of time and labor cost from the construction of the three-dimensional model of the real estate unit to the display of the investigation information result of the real estate unit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of the method provided by the invention;
FIG. 2 is a schematic diagram of obtaining a deviation direction and a deviation distance of a three-dimensional model of a real estate unit according to the present invention;
fig. 3 is a two-dimensional element information display effect diagram of a three-dimensional model of a real estate unit provided by the embodiment of the present invention;
FIG. 4 is a schematic diagram of a business flow for querying information of real estate rights in construction provided by an embodiment of the present invention;
fig. 5 is a diagram showing the effect of showing the ownership information of the three-dimensional model of the real estate unit according to the embodiment of 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.
Most of professional software designed for the real property investigation process is only based on two-dimensional display, but in the real property investigation process aiming at large cell, the two-dimensional map element expression form is not suitable for direct query and analysis of real property cell ownership. In addition, because of the huge data volume of real property information, a general two-dimensional map element storage format is not suitable for storing and querying real property information. Aiming at the two defects, the invention combines the live-action three-dimensional technology, the space geographic database technology and the front-end Web technology, further realizes the three-dimensional model dynamic construction of the real estate unit and the association of the ownership information thereof under the basis of realizing the real-action three-dimensional model rendering of the Web end, and optimizes the display effect of the real estate unit and the inquiry and analysis of the ownership information in the real property investigation process.
The embodiment of the invention discloses a real estate unit dynamic modeling and ownership information association method based on live-action three-dimension, which comprises the following specific steps:
acquiring all live-action three-dimensional models;
traversing bounding boxes of all the live-action three-dimensional models through position coordinate matching, and selecting a live-action three-dimensional model to be processed;
requesting real estate unit element data of the live-action three-dimensional model from a map service;
constructing a real estate unit three-dimensional model according to the real estate unit element data, and performing directional offset on a real estate unit of the real estate unit three-dimensional model;
acquiring two-dimensional element information of the real estate unit, and displaying the two-dimensional element information;
combining the rights information database, customizing query keywords, and constructing real property rights information query service flow in the rights information database through the query keywords;
and sending a data request to the ownership information database, and acquiring and displaying the ownership information of the corresponding real estate unit in the ownership information database.
In a specific embodiment of the present invention, as shown in fig. 1, (1) a live-action three-dimensional model to be dynamically constructed of a real estate unit three-dimensional model is selected, and a bounding box of all live-action three-dimensional models is traversed through click position coordinate matching, so as to find the selected live-action three-dimensional model.
Taking a building as an example, wherein the real three-dimensional model is a real three-dimensional model of a house; the construction process of the live-action three-dimensional model is as follows: and acquiring house oblique photographic data through unmanned aerial vehicle oblique photographic measurement, constructing a live-action three-dimensional model by utilizing oblique photographic data processing software, unifying the data formats of the three-dimensional model into json slice forms by utilizing a format conversion tool due to different model data formats acquired by different oblique photographic data processing software, and finally loading and rendering a front-end three-dimensional rendering engine.
(2) According to the selected live-action three-dimensional model, finding out all element data in the corresponding real estate unit image layer, namely real estate unit element data; and creating a three-dimensional model (box model of the two-dimensional map elements) of the real estate unit in the Web-end three-dimensional map engine according to the found element data of all the real estate units.
(3) And according to the created real estate unit three-dimensional model, clicking a position of the real estate unit three-dimensional model to directionally shift the real estate unit three-dimensional model.
(4) And inquiring the attribute information of the two-dimensional elements corresponding to the three-dimensional model (box model) of the real estate unit. And associating the element attribute in the real estate unit image layer with the real estate unit three-dimensional model, and acquiring element attribute information in the real estate unit image layer by selecting the real estate unit three-dimensional model and displaying the element attribute information in the Web end window.
(5) The Web end is combined with a rights information database, and the rights information database stores the rights information of the real estate units based on the real property book investigation database; and establishing a three-dimensional model of the real estate unit and the attribute information thereof, and inquiring data. Firstly, the real estate information inquiry service flow is constructed by taking element real estate unit numbers as inquiry keywords in the rights information database. And then, the Web terminal sends an Ajax data request to the ownership information database according to the real estate unit number of the real estate unit three-dimensional model to acquire the ownership information data of the corresponding real estate unit in the ownership information database. And finally, the data returned by the rights information database are arranged and displayed in a Web end window.
Specifically, before the real estate unit element data of the live-action three-dimensional model is requested to the map service, the method further comprises: utilizing a map service publishing tool to publish a map service of the inquired real estate unit element;
judging whether the to-be-processed live-action three-dimensional model contains released corresponding real estate unit element map services and corresponding ownership information data streams established in an ownership information database;
if not, reselecting the real three-dimensional model to be processed; and if so, requesting real estate unit element data of the live-action three-dimensional model from a map service.
If the real-scene three-dimensional model can perform real estate unit weight information inquiry, map services corresponding to published real estate unit elements are needed, and the map services comprise corresponding weight information inquiry service flows established in a weight information database;
specifically, constructing a three-dimensional model of the real estate unit according to the real estate unit element data includes:
utilizing a map service release tool to release real estate unit map services matched with the live-action three-dimensional model;
acquiring a real estate unit layer matched with the real estate three-dimensional model to be processed according to the real estate three-dimensional model to be processed, wherein the real estate unit layer comprises element geometric information and element attribute information;
and constructing a three-dimensional model of the real estate unit according to the element geometric information and the element attribute information.
Specifically, the boundaries of the three-dimensional model of the real estate unit adopt corresponding element geometric information; and the stretching height of the real estate unit three-dimensional model corresponds to the height information of the element attribute information.
In one embodiment of the invention, a three-dimensional model of a real estate unit is built in a three-dimensional map engine at a Web end, and the method comprises the following specific steps: first, a real estate unit map service matching with a live-action three-dimensional model is distributed by a map service distribution tool. And then, according to the selected live-action three-dimensional model, finding a real estate unit layer matched with the live-action three-dimensional model. And constructing a box model in the Web-end three-dimensional map engine according to element geometric information (geometry) and height information in element attribute information (attribute) of the real estate unit layer, wherein the box model is a real estate unit three-dimensional model, the boundary of the box model uses the element geometric information of the corresponding real estate unit layer, and the stretching height of the box model is dependent on the height information in the corresponding element attribute information.
Specifically, the directional offset of the real estate unit of the three-dimensional model of the real estate unit includes:
using a Web-end three-dimensional map engine as a Cesium frame, and respectively converting the offset distance and the offset direction of the real estate unit three-dimensional model into the variation of a model matrix attribute;
then, performing matrix calculation with the original ModelMatrix attribute to obtain a new ModelMatrix attribute;
and re-rendering the real estate unit three-dimensional model at a new position according to the new modelMatrix attribute to obtain the real estate unit three-dimensional model after directional deviation.
Specifically, the process of calculating the offset distance and the offset direction includes:
acquiring a bounding box of a three-dimensional model of the real estate unit, which is required to be subjected to directional offset, wherein the bounding box is positioned at the edge of the three-dimensional model of the real estate unit;
determining the plane coordinates of one point of the live-action three-dimensional model;
comparing the plane coordinates with the bounding box, and finding the edge of the bounding box nearest to the plane coordinates;
the vertical length and azimuth of the bounding box perpendicular to the nearest edge are calculated.
The azimuth angles are respectively calculated according to the azimuth angles of the four sides and the side lengths by an azimuth angle calculation formula according to the point coordinates of the four angles of the bounding box, and then the vertical side length and the azimuth angle are determined.
The vertical side length represents the offset distance of the three-dimensional model of the real estate unit, and the azimuth angle represents the offset direction of the three-dimensional model of the real estate unit.
The bounding box is the smallest bounding box which is clung to the edge of the three-dimensional model of the real estate unit.
In a specific embodiment of the present invention, as shown in fig. 2, the basic principle of directional shifting of the three-dimensional model of the real estate unit from the initial position to a certain direction is as follows: the Web-side three-dimensional map engine used in the embodiment of the invention is a Cesium frame, and the position of the three-dimensional model of the real estate unit mainly depends on the model matrix attribute in the model. Converting the distance and direction of the three-dimensional model of the real estate unit to be offset into the variable quantity of the ModelMatrix attribute, performing matrix calculation with the original ModelMatrix attribute to obtain a new ModelMatrix attribute, and re-rendering the three-dimensional model of the real estate unit at a new position to obtain the three-dimensional model of the real estate unit after the directional offset. And carrying out directional offset on the selected three-dimensional model of the real estate unit, so that the three-dimensional model is not blocked by the real-scene three-dimensional model.
Further, a real estate unit three-dimensional model needs to be determined based on the offset direction of the original position and the offset distance. First, a minimum bounding box of the real estate unit three-dimensional model that needs to be shifted is acquired (the minimum bounding box here is a bounding box that is close to the edge of the real estate unit three-dimensional model). And then, obtaining the plane coordinates of the clicked position of the live-action three-dimensional model, comparing and judging the plane coordinates with the minimum bounding box of the real-property unit three-dimensional model, finding out the edge closest to the coordinates of the clicked position in the minimum bounding box as the nearest edge, and then calculating the length and azimuth angle of the vertical edge perpendicular to the nearest edge. The calculated vertical length and azimuth angle are the offset distance and the offset direction of the model.
Specifically, the query keyword is a real estate unit number;
and the real estate right information inquiry service flow takes the real estate unit number as an inquiry keyword, and the real estate unit three-dimensional model is associated with the real estate right information inquiry service flow.
Specifically, the two-dimensional element information and the rights information are displayed through a display window;
the rights information comprises real estate registration type information and real estate registration flow information;
the real estate registration type information includes: first registration, transfer registration, change registration, deregistration registration, correction registration, objection registration, forenotice registration, audit registration, other registration, mortgage right registration, and merge registration; the real estate registration flow information comprises filled application forms, receiving materials, right registration conditions, submitting and checking and issuing real property certificates/real property registration certificates according to document data display related to different registration flows of different registration types; the rights registering status is classified into construction land use right/home use right, real estate right registering information, mortgage right registering information, check-in registering information, forenotice registering information, and objection registering information according to the registering type.
In one embodiment of the present invention, the step of associating element attribute information within the real estate unit map layer with the real estate unit three-dimensional model based on the Cesium three-dimensional map engine: first, two-dimensional element data is loaded into a Cesium framework in an entity form, and an entity model of the two-dimensional element is only displayed for attributes but not rendered in the Cesium. Then, the loaded two-dimensional entity element data is mounted on the corresponding box model. After mounting, the box model in the priority form is selected to be equal to the corresponding element of the two-dimensional layer in the identity form, and at the moment, the element attribute information corresponding to the box model in the real estate unit layer can be directly displayed through the selected box model. Element attribute information in the real estate unit image layer is obtained by selecting the real estate three-dimensional model and displayed in a display window of the Web end, as shown in fig. 3.
In one embodiment of the present invention, as shown in fig. 4, a rights information query service flow of a rights information database is constructed: the real property right information inquiry service flow in the right information database takes element real property unit numbers as inquiry keywords, and the real property unit three-dimensional model is associated with the right information database inquiry service flow; the specific business flow construction follows the project requirements, and the query keywords can be customized according to the business requirements.
Further, the Web terminal sends an Ajax data request to the ownership information database server according to the real estate unit number of the real estate three-dimensional model to acquire the ownership information data of the corresponding real estate unit in the ownership information database. Finally, the data returned by the rights information database is collated and displayed in a display window of the Web end, as shown in FIG. 5.
Further, in order to better realize the method of the invention, a display window of query information is constructed at the Web end, the window is divided into two navigation columns according to real estate registration type information and real estate registration flow information, the real estate registration type information is divided into 11 categories, and the navigation columns are divided into first registration, transfer registration, change registration, deregistration registration, correction registration, objection registration, forenotice registration, check-up registration, other registration, mortgage right registration and merging registration. The real estate registration flow information navigation bar designs a window according to the document data related to different registration flows of different registration types. The display window comprises a filled application form, a receipt material, a right registration status, a submitting audit, a checking and issuing of an real property certificate/real property registration certificate and the like; the rights registration status is classified into construction land use right/home use right, real estate right registration information, mortgage right registration information, audit registration information, forenotice registration information, and objection registration information according to registration types.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The real estate unit dynamic modeling and ownership information association method based on the real estate unit is characterized by comprising the following specific steps:
acquiring all live-action three-dimensional models;
traversing bounding boxes of all the live-action three-dimensional models through position coordinate matching, and selecting a live-action three-dimensional model to be processed;
requesting real estate unit element data of the live-action three-dimensional model from a map service;
constructing a real estate unit three-dimensional model according to the real estate unit element data, and performing directional offset on a real estate unit of the real estate unit three-dimensional model;
acquiring two-dimensional element information of the real estate unit, and displaying the two-dimensional element information;
combining the rights information database, customizing query keywords, and constructing real property rights information query service flow in the rights information database through the query keywords;
and sending a data request to the ownership information database, and acquiring and displaying the ownership information of the corresponding real estate unit in the ownership information database.
2. The real estate element dynamic modeling and ownership information correlation method based on real estate three-dimensional according to claim 1, characterized by further comprising, before the requesting real estate element data of the real estate three-dimensional model to a map service: utilizing a map service publishing tool to publish a map service of the inquired real estate unit element;
judging whether the to-be-processed live-action three-dimensional model contains released corresponding real estate unit element map services and corresponding ownership information data streams established in an ownership information database;
if not, reselecting the real three-dimensional model to be processed; and if so, requesting real estate unit element data of the live-action three-dimensional model from a map service.
3. The real estate unit dynamic modeling and ownership information association method based on real estate unit element data according to claim 1, characterized in that constructing a real estate unit three-dimensional model according to the real estate unit element data comprises:
utilizing a map service release tool to release real estate unit map services matched with the live-action three-dimensional model;
acquiring a real estate unit layer matched with the real estate three-dimensional model to be processed according to the real estate three-dimensional model to be processed, wherein the real estate unit layer comprises element geometric information and element attribute information;
and constructing a three-dimensional model of the real estate unit according to the element geometric information and the element attribute information.
4. The real-scene three-dimensional-based real estate unit dynamic modeling and ownership information correlation method according to claim 3, wherein the boundaries of the real-scene three-dimensional model adopt corresponding element geometric information; and the stretching height of the real estate unit three-dimensional model corresponds to the height information of the element attribute information.
5. The real estate unit dynamic modeling and ownership information correlation method based on real estate unit three-dimensional model of claim 1 is characterized in that the directional offset is carried out on the real estate unit of the real estate unit three-dimensional model, comprising:
using a Web-end three-dimensional map engine as a Cesium frame, and respectively converting the offset distance and the offset direction of the real estate unit three-dimensional model into the variation of a model matrix attribute;
then, performing matrix calculation with the original ModelMatrix attribute to obtain a new ModelMatrix attribute;
and re-rendering the real estate unit three-dimensional model at a new position according to the new modelMatrix attribute to obtain the real estate unit three-dimensional model after directional deviation.
6. The real estate element dynamic modeling and ownership information correlation method based on real estate elements of claim 5 wherein the process of calculating the offset distance and the offset direction includes:
acquiring a bounding box of a three-dimensional model of the real estate unit, which is required to be subjected to directional offset, wherein the bounding box is positioned at the edge of the three-dimensional model of the real estate unit;
determining the plane coordinates of one point of the live-action three-dimensional model;
comparing the plane coordinates with the bounding box, and finding the edge of the bounding box nearest to the plane coordinates;
calculating the vertical side length and azimuth angle of the bounding box vertical to the nearest side;
the vertical side length represents the offset distance of the three-dimensional model of the real estate unit, and the azimuth angle represents the offset direction of the three-dimensional model of the real estate unit.
7. The real-scene three-dimensional real estate unit dynamic modeling and ownership information association method according to claim 1, wherein the query keyword is a real estate unit number;
and the real estate right information inquiry service flow takes the real estate unit number as an inquiry keyword, and the real estate unit three-dimensional model is associated with the real estate right information inquiry service flow.
8. The real-scene three-dimensional real estate unit dynamic modeling and ownership information association method according to claim 1, wherein the two-dimensional element information and the ownership information are displayed through a display window;
the rights information comprises real estate registration type information and real estate registration flow information;
the real estate registration type information includes: first registration, transfer registration, change registration, deregistration registration, correction registration, objection registration, forenotice registration, audit registration, other registration, mortgage right registration, and merge registration; the real estate registration flow information comprises filled application forms, receiving materials, right registration conditions, submitting and checking and issuing real property certificates/real property registration certificates according to document data display related to different registration flows of different registration types; the rights registering status is classified into construction land use right/home use right, real estate right registering information, mortgage right registering information, check-in registering information, forenotice registering information, and objection registering information according to the registering type.
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| CN117576326B (en) * | 2024-01-16 | 2024-05-07 | 深圳大学 | Dynamic interaction visualization method and system for three-dimensional property body |
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