CN111967663A - Real-scene three-dimensional auxiliary planning management system for medium and small cities - Google Patents
Real-scene three-dimensional auxiliary planning management system for medium and small cities Download PDFInfo
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Abstract
The invention discloses a real-scene three-dimensional auxiliary planning management system for medium and small cities, wherein the architecture of the real-scene three-dimensional auxiliary planning management system consists of an infrastructure layer, a data layer, a service layer and an application layer; the infrastructure layer comprises data acquisition equipment, data storage equipment, platform software and hardware operation equipment and calculation equipment; the data layer comprises three-dimensional model data, basic geographic data, service data, historical data and underground pipeline data; the service layer comprises a functional module used by the real-scene three-dimensional aided planning management system. The invention realizes the planning management of the small and medium cities by the framework of the live-action three-dimensional auxiliary planning management system, simultaneously comprises the live-action three-dimensional model on the ground and the underground pipeline three-dimensional database, realizes the integration of the ground and underground planning and the auxiliary management, and provides detailed data support and management basis for the planning and the management of the urban three-dimensional space.
Description
Technical Field
The invention belongs to the field of three-dimensional model information, relates to an urban planning technology, and particularly relates to a real-scene three-dimensional auxiliary planning management system for medium and small cities.
Background
With the continuous expansion of urban construction scale and the acceleration of construction pace, the research, establishment, implementation, management, supervision and supervision of urban and rural planning are increasingly heavy, the related planning traffic and data volume are increasingly large, the public requirements on the planning government affair disclosure and the planning service level are increasingly high, and the requirements on the business range, the normalization and the scientificity of urban and rural planning are greatly improved by the implementation of the national city and countryside planning law, the administrative licensing law and the government information disclosure regulations.
In the prior art, a GIS technology construction planning management system is often used for more scientific management of the construction of a city. The Supermap GIS provides general GIS functions such as attribute query statistics, visual analysis, sunshine analysis, indoor roaming and the like for the BIM; the special BIM function of simulating the building construction process and independently displaying the appointed floor/part is realized; the BIM coordinate transformation and the accurate matching capability of the BIM and other spatial data are provided, and the application requirement of perfect combination of a large scene and an indoor fine scene can be met. In practical application, the functions are comprehensively utilized, the position service and the space analysis characteristics of the GIS are exerted, and the BIM can generate practical and wide application value.
The Skyline Global software fully utilizes geographic information resources to display the city planning scheme to the user in a dynamic form. The user can stand in the angle of the whole city to objectively compare different planning schemes, so that the narrowness of the original planning scheme fused with the whole city is reduced. And the functions of shadow analysis, height control analysis, scheme comparison and other modules of secondary development service planning management of a Skyline platform are adopted by part of users, so that the system is more real and visual, and the efficiency is obviously improved.
But does not provide a solution for planning and managing the medium and small cities from data acquisition and processing, real-scene three-dimensional modeling, data storage and management to planning and managing.
In the information-based construction of planning, examining and approving management of medium and small cities in undeveloped areas of China, some problems still exist, which are mainly shown in the following aspects: the information resource integration application related to planning, examination and approval management is insufficient, and the data construction management is lagged behind. At present, many indexes are checked and approved and are measured on paper design drawings manually, a plurality of paper drawings are compared, basic information is measured and then various indexes are calculated, the matching degree of the comparison and planning indexes is calculated, the working complexity and difficulty are high, and the working efficiency is not high. Integration between service systems is not sufficient. At present, more planning management systems pay attention to the management of the construction of the overground cities independently or the underground construction is separated from the overground construction management, so that the systematicness and the globality of the planning business management are not facilitated.
Disclosure of Invention
The invention aims to overcome the technical problems in the prior art and provides a real-scene three-dimensional aided planning and management system for medium and small cities.
In order to achieve the purpose, the invention is implemented according to the following technical scheme:
a real-scene three-dimensional aided planning management system for medium and small cities is characterized in that the architecture of the real-scene three-dimensional aided planning management system consists of an infrastructure layer, a data layer, a service layer and an application layer;
the infrastructure layer comprises data acquisition equipment, data storage equipment, platform software and hardware operation equipment and computing equipment;
the data layer comprises three-dimensional model data, basic geographic data, service data, historical data and underground pipeline data;
the service layer comprises a functional module used by the real-scene three-dimensional aided planning management system; the function module comprises an aboveground information query module, an auxiliary city planning management module, an auxiliary planning design module, an underground pipe network query module, an underground pipe network statistical module and an underground pipe network analysis module;
the application layer comprises an overground three-dimensional auxiliary planning management system, an underground integrated pipe network management system and a system overall operation and maintenance system;
various devices of the infrastructure layer collect and process different data, and the processed data is imported into the data layer; the application layer receives the instruction, transmits the instruction to the service layer, and processes the data of the data layer through the service layer functional module to obtain the required data.
Preferably, the data acquisition equipment comprises unmanned aerial vehicle acquisition equipment and basic geographic information acquisition equipment; the data storage equipment comprises a data storage hard disk and server equipment for data calculation and storage; the platform software and hardware operation equipment comprises computer equipment, server equipment, an operating system and a basic supporting platform.
Preferably, the three-dimensional model data comprises live-action three-dimensional model data constructed by oblique photography data, urban planning and design model data and planning index data of an urban planning and design model; the basic geographic data comprises image data, a topographic map, a road network map and interest point data; the historical data comprises planning service data and calendar year basic geographic data; the business data refers to data generated by daily business handling of a planning management department, and comprises paper scanning data and spreadsheet data; the underground pipeline data comprises two-dimensional data and three-dimensional data of the underground pipeline.
Preferably, the real-scene three-dimensional model data constructed by oblique photography data is loaded with a single high-pixel camera by using an unmanned aerial vehicle, and oblique photography is carried out by adopting a groined type route mode to obtain oblique photography data; modeling oblique photography data through three-dimensional model making software Context Capture Center Master to obtain a live-action three-dimensional model constructed by the oblique photography data.
Preferably, the two-dimensional data of the underground pipeline is subjected to three-dimensional modeling by a model automatic matching technology, and then is combined with the three-dimensional data of the underground pipeline to build an underground pipeline three-dimensional database.
Preferably, the ground information query module, the auxiliary city planning management module and the auxiliary planning design module of the service layer are used for a three-dimensional auxiliary planning management system; and the underground pipe network query module, the underground pipe network statistical module and the underground pipe network analysis module of the service layer are used for the underground comprehensive pipe network management system.
Preferably, the ground information query module comprises area/distance query, house attribute query and space position query; the auxiliary city planning management module comprises index analysis, site selection analysis, red line gland analysis, design scheme comparison and selection, land type analysis and sunshine analysis; the auxiliary planning and designing module comprises design model loading, model library management and model adjustment.
Preferably, the underground pipe network query module comprises space query, attribute query and custom query; the underground pipe network statistical module comprises pipeline/pipe point type statistics, pipeline material statistics, pipe diameter subsection statistics and pipeline buried depth statistics; the underground pipe network analysis module comprises excavation analysis, transverse and longitudinal section analysis, clear distance analysis, communication analysis and newly-added pipeline analysis.
Preferably, the site selection analysis process of the auxiliary city planning management module is analyzed by a vertical projection method; the vertical projection method comprises the following steps:
step 1, calling a site selection analysis function of an auxiliary city planning management module through a three-dimensional auxiliary planning management system of an application layer, and importing vector data needing site selection analysis into a live-action three-dimensional model of a data layer; the coordinates of the vector data are (X)Vector，YVector，ZVector)；
Step 2, coordinate (X) of vector dataVector，YVector，ZVector) Coordinate (X) with live-action three-dimensional modelLive-action，YLive-action，ZLive-action) Carrying out correspondence; selecting X of vector dataCoordinate, Y coordinate, i.e. (X)Vector，YVector) Coordinate (X) of vector dataVector，YVector) Directly and vertically projecting the image in the live-action three-dimensional model to obtain projection coordinates (X) projected in the live-action three-dimensional modelVector，YVector，ZLive-action)；
Step 3, projecting the coordinates of each point of all the vector data according to the step 2 to obtain corresponding projection coordinates, and obtaining fused vector data with the live-action three-dimensional model;
and 4, manually and directly observing the fused vector data, and analyzing the position relation between the fused vector data and the real-scene three-dimensional model.
Preferably, the sunshine analysis process is realized by a sunshine analysis module, and the sunshine analysis process comprises the following steps:
step 1, calling a sunshine analysis function of an auxiliary city planning management module through a three-dimensional auxiliary planning management system of an application layer, and importing a three-dimensional building model needing sunshine analysis into a live-action three-dimensional model of a data layer;
step 2, performing winter solstice day sunshine duration analysis, sunshine room number analysis and all-day sunshine analysis on the three-dimensional building model through a sunshine analysis module;
step 3, when the winter solstice day sunshine duration analysis is selected, selecting a point of a first-floor balcony of the three-dimensional building model, which is 1.2m away from the ground, calculating the sunshine duration of the point in the winter solstice day by using a sunshine analysis module, rendering a time period in which the sunshine can be seen by using yellow in the three-dimensional building model, and rendering a time period in which the sunshine cannot be seen by using green;
step 4, setting a sunshine duration parameter in a sunshine analysis module when the number of sunshine rooms is selected for analysis; the sunshine analysis module calculates the sunshine duration of each southward room in the three-dimensional building model under the sunshine duration parameter according to the input sunshine duration parameter, and outputs the sunshine duration corresponding to each southward room in a form of a table; counting in the table, wherein the south room number meeting the sunshine standard accounts for the ratio of all the rooms of the three-dimensional building model; wherein, the southbound room which does not accord with the sunshine standard in the three-dimensional building model is highlighted and displayed in the real three-dimensional model; the sunshine duration parameter refers to a specific time period of a specific date;
and 5, when the all-day sunshine analysis is selected, selecting any point in the three-dimensional building model, and designating the date, wherein the sunshine analysis module calculates the all-day sunshine duration of the point on the designated date.
The invention has the following action principle:
the unmanned aerial vehicle is used for carrying a single high-pixel camera, oblique photography is carried out in a groined type route mode, and oblique photography data are obtained. The method has the advantages of less field image control, less shot pictures, less distortion and greatly improved space-time efficiency, space-time efficiency and modeling efficiency under the same economic and technical conditions. The aerial survey data acquisition task is completed by the aid of the Chinese character jing-shaped route, compared with the traditional five-splicing camera oblique photography, the quantity of photos is reduced, the range is increased, accordingly, the workload of field image control can be reduced, the workload of field data processing can be greatly reduced, and the acquisition cost of the data acquisition camera is saved.
The invention adopts the automatic model matching technology to model the two-dimensional data of the underground pipeline, and the automatic model matching technology is well known by the technical personnel in the field and can be selected according to the related description of the invention.
The address selection analysis process of the invention adopts a vertical projection method for analysis. In general, three-dimensional coordinate information of a corresponding position in a three-dimensional scene where a vertex (end) of the acquired vector data is located is used for drawing. However, due to the difference between the fluctuation form of the model and the selection of the inflection point position of the rendering vector data, the line and surface suspension and the model have poor fitting degree, and the picture is visually disordered. In the invention, only the real XY coordinates of the vector data are considered, and the vector data of the point-line surface is directly and vertically projected onto a model or a terrain, so that perfect fitting is ensured. The method is more intuitive in the process of site selection analysis, is more accurate in area measurement and calculation of the site selection analysis, and avoids deviation.
The sunshine analysis process of the invention adopts a sunshine analysis module which can analyze and calculate the winter solstice sunshine duration, the number of sunshine rooms and the full-day sunshine of the three-dimensional building model introduced into the live-action three-dimensional model. The module can clearly show the sunshine condition of the three-dimensional building model, and can visually prompt planning management personnel which are not in compliance, so that the planning examination and approval efficiency is improved. The sunlight standard involved in the sunlight analysis process refers to the building sunlight calculation parameter standard GB/T50947-2014.
The invention starts from the data acquisition and processing, uses the unmanned aerial vehicle to acquire data, constructs a real-scene three-dimensional model through software, and integrates a series of data into a data layer. The data in the data layer is sufficient, and the data required by various urban plans are collected, so that the data storage and query are facilitated, and various data are more ordered; the method is more convenient and faster when the data is operated.
The invention not only comprises an aboveground information query module, but also comprises an underground pipe network query module. The data of the whole system is more enriched, and meanwhile, the system comprises an overground live-action three-dimensional model and an underground pipeline three-dimensional database, so that integration of overground and underground planning and auxiliary management is realized, and detailed data support and management basis is provided for planning and management of urban three-dimensional space.
The invention achieves the following beneficial effects:
the invention realizes the planning management of the small and medium cities by the framework of the live-action three-dimensional auxiliary planning management system, simultaneously comprises the live-action three-dimensional model on the ground and the underground pipeline three-dimensional database, realizes the integration of the ground and underground planning and the auxiliary management, and provides detailed data support and management basis for the planning and the management of the urban three-dimensional space.
Drawings
FIG. 1 is a general block diagram of a realistic three-dimensional aided planning management system according to the present invention;
fig. 2 is a functional module structure diagram of the live-action three-dimensional aided planning management system of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and specific embodiments, which are illustrative of the invention and are not to be construed as limiting the invention.
All the devices, apparatuses and the associated hardware to which the present invention relates, without particular limitation to the sources thereof, are commercially available or obtained according to conventional methods well known to those skilled in the art. The terms or acronyms with which the invention is concerned are known or will be apparent to those skilled in the art from the description or the claims.
Example 1
As shown in fig. 1 to 2, a real-scene three-dimensional aided planning management system for medium and small cities is composed of an infrastructure layer, a data layer, a service layer and an application layer.
The infrastructure layer comprises data acquisition equipment, data storage equipment, platform software and hardware operation equipment and calculation equipment. The data acquisition equipment comprises unmanned aerial vehicle acquisition equipment and basic geographic information acquisition equipment; the data storage equipment comprises a data storage hard disk and server equipment for data calculation and storage; the platform software and hardware operation equipment comprises computer equipment, server equipment, an operating system and a basic supporting platform.
The data layer comprises three-dimensional model data, basic geographic data, business data, historical data and underground pipeline data. The three-dimensional model data comprises live-action three-dimensional model data, city planning design model data and planning index data of a city planning design model, wherein the live-action three-dimensional model data is constructed by oblique photography data; the basic geographic data comprises image data, a topographic map, a road network map and interest point data; the historical data comprises planning service data and calendar year basic geographic data; the business data refers to data generated by daily business handling of a planning management department, and comprises paper scanning data and spreadsheet data; the underground pipeline data comprises two-dimensional data and three-dimensional data of the underground pipeline.
Carrying a single high-pixel camera by using an unmanned aerial vehicle, and carrying out oblique photography by adopting a groined type route mode to obtain oblique photography data; modeling oblique photography data through three-dimensional model making software Context Capture Center Master to obtain a live-action three-dimensional model constructed by the oblique photography data.
And the two-dimensional data of the underground pipeline is subjected to three-dimensional modeling by a model automatic matching technology and then is combined with the three-dimensional data of the underground pipeline to build an underground pipeline three-dimensional database.
The service layer comprises a functional module used by the real-scene three-dimensional auxiliary planning management system; the function module comprises an aboveground information query module, an auxiliary city planning management module, an auxiliary planning design module, an underground pipe network query module, an underground pipe network statistic module and an underground pipe network analysis module.
The application layer comprises an overground three-dimensional auxiliary planning management system, an underground integrated pipe network management system and a system overall operation and maintenance system.
Various devices of the infrastructure layer collect and process different data, and the processed data is imported into the data layer; the application layer receives the instruction, transmits the instruction to the service layer, and processes the data of the data layer through the service layer functional module to obtain the required data.
The ground information query module, the auxiliary city planning management module and the auxiliary planning design module of the service layer are used for a three-dimensional auxiliary planning management system; and the underground pipe network query module, the underground pipe network statistical module and the underground pipe network analysis module of the service layer are used for the underground comprehensive pipe network management system.
The ground information query module comprises area/distance query, house attribute query and space position query; the auxiliary city planning management module comprises index analysis, site selection analysis, red line gland analysis, design scheme comparison and selection, land type analysis and sunshine analysis; the auxiliary planning and designing module comprises design model loading, model library management and model adjustment.
The underground pipe network query module comprises space query, attribute query and custom query; the underground pipe network statistical module comprises pipeline/pipe point type statistics, pipeline material statistics, pipe diameter subsection statistics and pipeline buried depth statistics; the underground pipe network analysis module comprises excavation analysis, transverse and longitudinal section analysis, clear distance analysis, communication analysis and newly-added pipeline analysis.
The site selection analysis process of the auxiliary city planning management module is analyzed by a vertical projection method; the vertical projection method comprises the following steps:
step 1, calling a site selection analysis function of an auxiliary city planning management module through a three-dimensional auxiliary planning management system of an application layer, and importing vector data needing site selection analysis into a live-action three-dimensional model of a data layer; the coordinates of the vector data are (X)Vector，YVector，ZVector)；
Step 2, coordinate (X) of vector dataVector，YVector，ZVector) Coordinate (X) with live-action three-dimensional modelLive-action，YLive-action，ZLive-action) Carrying out correspondence; selecting X coordinate and Y coordinate of vector data, i.e. (X)Vector，YVector) Coordinate (X) of vector dataVector，YVector) Directly and vertically projecting the image in the live-action three-dimensional model to obtain projection coordinates (X) projected in the live-action three-dimensional modelVector，YVector，ZLive-action)；
Step 3, projecting the coordinates of each point of all the vector data according to the step 2 to obtain corresponding projection coordinates, and obtaining fused vector data with the live-action three-dimensional model;
and 4, manually and directly observing the fused vector data, and analyzing the position relation between the fused vector data and the real-scene three-dimensional model.
The sunshine analysis process is realized through a sunshine analysis module, and the sunshine analysis method comprises the following steps:
step 1, calling a sunshine analysis function of an auxiliary city planning management module through a three-dimensional auxiliary planning management system of an application layer, and importing a three-dimensional building model needing sunshine analysis into a live-action three-dimensional model of a data layer;
step 2, performing winter solstice day sunshine duration analysis, sunshine room number analysis and all-day sunshine analysis on the three-dimensional building model through a sunshine analysis module;
step 3, when the winter solstice day sunshine duration analysis is selected, selecting a point of a first-floor balcony of the three-dimensional building model, which is 1.2m away from the ground, calculating the sunshine duration of the point in the winter solstice day by using a sunshine analysis module, rendering a time period in which the sunshine can be seen by using yellow in the three-dimensional building model, and rendering a time period in which the sunshine cannot be seen by using green;
step 4, setting a sunshine duration parameter in a sunshine analysis module when the number of sunshine rooms is selected for analysis; the sunshine analysis module calculates the sunshine duration of each southward room in the three-dimensional building model under the sunshine duration parameter according to the input sunshine duration parameter, and outputs the sunshine duration corresponding to each southward room in a form of a table; counting in the table, wherein the south room number meeting the sunshine standard accounts for the ratio of all the rooms of the three-dimensional building model; wherein, the southbound room which does not accord with the sunshine standard in the three-dimensional building model is highlighted and displayed in the real three-dimensional model; the sunshine duration parameter refers to a specific time period of a specific date;
as input in the sunshine analysis module, "12 months and 22 days, 7: 00 to 18: 00', the sunshine duration of each southward room in the three-dimensional building model is calculated by the sunshine analysis module under the sunshine parameter, and a related table is output;
and 5, when the all-day sunshine analysis is selected, selecting any point in the three-dimensional building model, and designating the date, wherein the sunshine analysis module calculates the all-day sunshine duration of the point on the designated date.
The technical solution of the present invention is not limited to the limitations of the above specific embodiments, and all technical modifications made according to the technical solution of the present invention fall within the protection scope of the present invention.
Claims (10)
1. A real-scene three-dimensional aided planning management system for medium and small cities is characterized in that the architecture of the real-scene three-dimensional aided planning management system consists of an infrastructure layer, a data layer, a service layer and an application layer; the method is characterized in that:
the infrastructure layer comprises data acquisition equipment, data storage equipment, platform software and hardware operation equipment and computing equipment;
the data layer comprises three-dimensional model data, basic geographic data, service data, historical data and underground pipeline data;
the service layer comprises a functional module used by the real-scene three-dimensional aided planning management system; the function module comprises an aboveground information query module, an auxiliary city planning management module, an auxiliary planning design module, an underground pipe network query module, an underground pipe network statistical module and an underground pipe network analysis module;
the application layer comprises an overground three-dimensional auxiliary planning management system, an underground integrated pipe network management system and a system overall operation and maintenance system;
various devices of the infrastructure layer collect and process different data, and the processed data is imported into the data layer; the application layer receives the instruction, transmits the instruction to the service layer, and processes the data of the data layer through the service layer functional module to obtain the required data.
2. The real scene three-dimensional aided planning management system for the medium and small cities as claimed in claim 1, wherein: the data acquisition equipment comprises unmanned aerial vehicle acquisition equipment and basic geographic information acquisition equipment; the data storage equipment comprises a data storage hard disk and server equipment for data calculation and storage; the platform software and hardware operation equipment comprises computer equipment, server equipment, an operating system and a basic supporting platform.
3. The real scene three-dimensional aided planning management system for the medium and small cities as claimed in claim 2, wherein: the three-dimensional model data comprises live-action three-dimensional model data, city planning design model data and planning index data of a city planning design model, wherein the live-action three-dimensional model data is constructed by oblique photography data; the basic geographic data comprises image data, a topographic map, a road network map and interest point data; the historical data comprises planning service data and calendar year basic geographic data; the business data refers to data generated by daily business handling of a planning management department, and comprises paper scanning data and spreadsheet data; the underground pipeline data comprises two-dimensional data and three-dimensional data of the underground pipeline.
4. The real scene three-dimensional aided planning management system for the medium and small cities as claimed in claim 3, wherein: carrying a single high-pixel camera by using an unmanned aerial vehicle, and carrying out oblique photography by adopting a groined type route mode to obtain oblique photography data; modeling oblique photography data through three-dimensional model making software Context Capture Center Master to obtain a live-action three-dimensional model constructed by the oblique photography data.
5. The real scene three-dimensional aided planning management system for the medium and small cities as claimed in claim 4, wherein: and the two-dimensional data of the underground pipeline is subjected to three-dimensional modeling by a model automatic matching technology and then is combined with the three-dimensional data of the underground pipeline to build an underground pipeline three-dimensional database.
6. The real scene three-dimensional aided planning management system for the medium and small cities as claimed in claim 5, wherein: the ground information query module, the auxiliary city planning management module and the auxiliary planning design module of the service layer are used for a three-dimensional auxiliary planning management system; and the underground pipe network query module, the underground pipe network statistical module and the underground pipe network analysis module of the service layer are used for the underground comprehensive pipe network management system.
7. The real scene three-dimensional aided planning management system for the medium and small cities as claimed in claim 6, wherein: the ground information query module comprises area/distance query, house attribute query and space position query; the auxiliary city planning management module comprises index analysis, site selection analysis, red line gland analysis, design scheme comparison and selection, land type analysis and sunshine analysis; the auxiliary planning and designing module comprises design model loading, model library management and model adjustment.
8. The real scene three-dimensional aided planning management system for the medium and small cities as claimed in claim 6, wherein: the underground pipe network query module comprises space query, attribute query and custom query; the underground pipe network statistical module comprises pipeline/pipe point type statistics, pipeline material statistics, pipe diameter subsection statistics and pipeline buried depth statistics; the underground pipe network analysis module comprises excavation analysis, transverse and longitudinal section analysis, clear distance analysis, communication analysis and newly-added pipeline analysis.
9. The real scene three-dimensional aided planning management system for the medium and small cities as claimed in claim 7, wherein: the site selection analysis process of the auxiliary city planning management module is analyzed by a vertical projection method; the vertical projection method comprises the following steps:
step 1, calling a site selection analysis function of an auxiliary city planning management module through a three-dimensional auxiliary planning management system of an application layer, and importing vector data needing site selection analysis into a live-action three-dimensional model of a data layer; the coordinates of the vector data are (X)Vector，YVector，ZVector)；
Step 2, coordinate (X) of vector dataVector，YVector，ZVector) Coordinate (X) with live-action three-dimensional modelLive-action，YLive-action，ZLive-action) Carrying out correspondence; selecting X coordinate and Y coordinate of vector data, i.e. (X)Vector，YVector) Coordinate (X) of vector dataVector，YVector) Directly and vertically projecting the image in the live-action three-dimensional model to obtain projection coordinates (X) projected in the live-action three-dimensional modelVector，YVector，ZLive-action)；
Step 3, projecting the coordinates of each point of all the vector data according to the step 2 to obtain corresponding projection coordinates, and obtaining fused vector data with the live-action three-dimensional model;
and 4, manually and directly observing the fused vector data, and analyzing the position relation between the fused vector data and the real-scene three-dimensional model.
10. The real scene three-dimensional aided planning management system for the medium and small cities as claimed in claim 7, wherein: the sunshine analysis process is realized through a sunshine analysis module, and the method comprises the following steps:
step 1, calling a sunshine analysis function of an auxiliary city planning management module through a three-dimensional auxiliary planning management system of an application layer, and importing a three-dimensional building model needing sunshine analysis into a live-action three-dimensional model of a data layer;
step 2, performing winter solstice day sunshine duration analysis, sunshine room number analysis and all-day sunshine analysis on the three-dimensional building model through a sunshine analysis module;
step 3, when the winter solstice day sunshine duration analysis is selected, selecting a point of a first-floor balcony of the three-dimensional building model, which is 1.2m away from the ground, calculating the sunshine duration of the point in the winter solstice day by using a sunshine analysis module, rendering a time period in which the sunshine can be seen by using yellow in the three-dimensional building model, and rendering a time period in which the sunshine cannot be seen by using green;
step 4, setting a sunshine duration parameter in a sunshine analysis module when the number of sunshine rooms is selected for analysis; the sunshine analysis module calculates the sunshine duration of each southward room in the three-dimensional building model under the sunshine duration parameter according to the input sunshine duration parameter, and outputs the sunshine duration corresponding to each southward room in a form of a table; counting in the table, wherein the south room number meeting the sunshine standard accounts for the ratio of all the rooms of the three-dimensional building model; wherein, the southbound room which does not accord with the sunshine standard in the three-dimensional building model is highlighted and displayed in the real three-dimensional model; the sunshine duration parameter refers to a specific time period of a specific date;
and 5, when the all-day sunshine analysis is selected, selecting any point in the three-dimensional building model, and designating the date, wherein the sunshine analysis module calculates the all-day sunshine duration of the point on the designated date.
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