CN103049614B - A kind of method, device controlling acoustic wave movement track in wisdom building - Google Patents
A kind of method, device controlling acoustic wave movement track in wisdom building Download PDFInfo
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Abstract
The present invention is applicable to wisdom building and Geographical Information Sciences technical field, and provide a kind of method, the device that control acoustic wave movement track in wisdom building, described method comprises: build the wisdom building object-oriented data model based on Geographic Information System; The three-dimensional modeling of construction example is carried out, generating three-dimensional models based on the example of the object oriented data model of wisdom building; According to the target area of three-dimensional model determination construction example; Propagate mathematical model in conjunction with the sound wave line built in advance, the value affecting the parameter of acoustic wave movement track that utilization is arranged calculates the acoustic wave movement track in target area; If acoustic wave movement track blocks, then constantly adjustment affects the value of the parameter of acoustic wave movement track, until the acoustic wave movement track in target area is unobstructed.The present invention, the Simulation and analysis result of object optimal combination various in real building being carried out to acoustic wave movement track selects optimum object combination with this, thus meets the needs of wisdom building construction.
Description
Technical field
The invention belongs to wisdom building and Geographical Information Sciences technical field, particularly relate to a kind of method, the device that control acoustic wave movement track in wisdom building.
Background technology
Wisdom building refer to build as platform, have both Architectural Equipment, office automation and communications network system, structure set, system, service, management and the optimal combination between them, provide a safety, efficient, comfortable, architectural environment easily to people.Its building process is divided into design, construction, installs three processes, and wherein, the design phase is the basis that wisdom building build these three processes, and the design drawing in this stage and analysis result are total guidance of wisdom building structure and total foundation.
But current built up wisdom building great majority are all the equipment of some building automatics of interpolation of machinery on the basis of traditional building facility, be difficult to meet safe, efficient, comfortable, the requirement easily described in the definition of wisdom building.Trace it to its cause mainly because, at present the design phase of wisdom building building process depend on geometric figures such as utilizing traditional point-line-surface carry out combined and spliced with this to carry out the design of design drawing.Because these geometric figures do not possess object orientedness, namely cannot possess function and the attribute of various object in real building, therefore cannot analyze the acoustic wave movement track of building and judge whether the design result to wisdom building meets the standard of wisdom building with this.
Summary of the invention
Embodiments provide a kind of method, the device that control acoustic wave movement track in wisdom building, be intended to solve prior art to analyze the acoustic wave movement track of building, and judge whether the design result to wisdom building meets the problem of the standard of wisdom building with this.
On the one hand, provide a kind of method controlling acoustic wave movement track in wisdom building, described method comprises:
Build the wisdom building object-oriented data model based on Geographic Information System;
Based on the example of the object oriented data model of described wisdom building, carry out the three-dimensional modeling of construction example, generate the three-dimensional model of described construction example;
The target area of described construction example is determined according to described three-dimensional model;
Propagate mathematical model in conjunction with the sound wave line built in advance, the value affecting the parameter of acoustic wave movement track that utilization is arranged calculates the acoustic wave movement track in described target area;
Judge whether described acoustic wave movement track blocks;
If blocked, then constantly adjustment affects the value of the parameter of acoustic wave movement track, until the acoustic wave movement track in described target area is unobstructed.
Further, described data model comprises Entity object model, the space geometry information corresponding with described Entity object model, non-geometric attribute and entity space relation.
Further, the described three-dimensional modeling carrying out construction example based on the example of described wisdom building object-oriented data model specifically comprises:
Determine quantity and the component relationship in room in described wisdom building;
Three-dimensional modeling is carried out one by one for each room;
Each good for modeling room is carried out combining and sets up entity space relation.
Further, described one by one for each room carries out three-dimensional modeling and is specially: one by one for the door in each room, window, body of wall, floor carry out three-dimensional modeling.
Further, the described parameter affecting acoustic wave movement track comprises volume, sound source position, frequency of source, order of reflection, radiation mode, the initial angle of described target area.
Further, the constantly value of adjustment sound source position parameter, until the acoustic wave movement track in described target area is unobstructed.
Further, mathematical model propagated by the sound wave line that described combination builds in advance, and the acoustic wave movement track utilizing the value affecting the parameter of acoustic wave movement track arranged to calculate in described target area is specially:
A, with sound source coordinate be starting point, initial angle does a ray for deflection;
B, first intersection point calculating described ray and building interior and reflection angle;
C, with described intersection point for starting point repeats steps A and step B, until meet the requirement of the order of reflection preset.
On the other hand, provide a kind of device controlling acoustic wave movement track in wisdom building, described device comprises:
Data model construction unit, for building the wisdom building object-oriented data model based on Geographic Information System;
Three-dimensional model generation unit, for carrying out the three-dimensional modeling of construction example based on the example of the object oriented data model of described wisdom building, generates the three-dimensional model of described construction example;
Target area determining unit, for determining the target area of described construction example according to described three-dimensional model;
Acoustic wave movement trajectory calculation unit, propagate mathematical model for combining the sound wave line built in advance, the value affecting the parameter of acoustic wave movement track that utilization is arranged calculates the acoustic wave movement track in described target area;
Acoustic wave movement track judging unit, for judging whether described acoustic wave movement track blocks;
Parameter adjustment unit, if for blocking, then constantly adjustment affects the value of the parameter of acoustic wave movement track, until the acoustic wave movement track in described target area is unobstructed.
Further, described data model comprises Entity object model, the space geometry information corresponding with described Entity object model, non-geometric attribute and entity space relation; Described three-dimensional model generation unit comprises:
Relationship determination module, for determining quantity and the component relationship in room in described wisdom building;
Room MBM, for carrying out three-dimensional modeling for each room one by one;
Entity relationship sets up module, for being carried out combining in each good for modeling room and setting up entity space relation.
Further, described room MBM is one by one for the door in each room, window, body of wall, floor carry out three-dimensional modeling.
Further, the described parameter affecting acoustic wave movement track comprises volume, sound source position, frequency of source, order of reflection, radiation mode, the initial angle of described target area; Described parameter adjustment unit constantly adjusts the value of sound source position parameter, until the acoustic wave movement track in described target area is unobstructed.
Further, described acoustic wave movement trajectory calculation unit, for performing steps A, step B, step C successively;
Wherein, steps A, with sound source coordinate be starting point, initial angle does a ray for deflection;
Step B, first intersection point calculating described ray and building interior and reflection angle;
Step C, with described intersection point for starting point repeats steps A and step B, until meet the requirement of the order of reflection preset.
In the embodiment of the present invention, based on GIS technology, build wisdom building object-oriented data model, the three-dimensional modeling of construction example is carried out based on the example of described wisdom building object-oriented data model, generate the three-dimensional model of described construction example, the target area of described construction example is determined according to described three-dimensional model, mathematical model is propagated in conjunction with the sound wave line built in advance, the value affecting the parameter of acoustic wave movement track that utilization is arranged calculates the acoustic wave movement track in described target area, judge whether described acoustic wave movement track blocks, if blocked, then constantly adjustment affects the value of the parameter of acoustic wave movement track, until the acoustic wave movement track in described target area is unobstructed.Achieve in wisdom building design process, the Simulation and analysis result of object optimal combination various in real building being carried out to acoustic wave movement track selects optimum object combination with this, thus meets the needs of wisdom building construction.
Accompanying drawing explanation
Fig. 1 is the realization flow figure of the method for acoustic wave movement track in the control wisdom building that provide of the embodiment of the present invention one;
Fig. 2 is the overall model schematic diagram of the wisdom building that the embodiment of the present invention one provides;
Fig. 3 is the wisdom building object-oriented data model schematic diagram that the embodiment of the present invention one provides;
Fig. 4 a, 4b, 4c, 4d, 4e are the wisdom building object-oriented data model example schematic that the embodiment of the present invention one provides respectively;
Fig. 5 is the interface schematic diagram setting up four region point coordinates of body of wall that the embodiment of the present invention one provides;
Fig. 6 is the three-dimensional structure schematic diagram of the body of wall set up by Fig. 5 that the embodiment of the present invention one provides;
Fig. 7 is the body of wall of the foundation that the embodiment of the present invention one provides, the three-dimensional structure schematic diagram on roof;
Fig. 8 is the window bound of parameter face that the arranges schematic diagram that the embodiment of the present invention one provides;
Fig. 9 is the interface schematic diagram arranging the material parameters on roof that the embodiment of the present invention one provides;
Figure 10 is the interface schematic diagram arranging the material parameters of body of wall that the embodiment of the present invention one provides;
Figure 11 is the interface schematic diagram arranging the material parameters of window that the embodiment of the present invention one provides;
Figure 12 is the three-dimensional model schematic diagram of the wisdom building established that the embodiment of the present invention one provides;
Figure 13 a be the sound source position that provides of the embodiment of the present invention one schematic diagram is set;
Figure 13 b be the sound source position that provides of the embodiment of the present invention one result schematic diagram is set;
Figure 14 be the embodiment of the present invention one provide frequency of sound wave, order of reflection schematic diagram is set;
Figure 15 be the initial angle that provides of the embodiment of the present invention one schematic diagram is set;
Figure 16 is the process flow diagram of the process of the calculating acoustic wave movement track that the embodiment of the present invention one provides;
Figure 17 is the structured flowchart of the device of acoustic wave movement track in the control wisdom building that provide of the embodiment of the present invention two.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In embodiments of the present invention, based on GIS technology, build wisdom building object-oriented data model, the three-dimensional modeling of construction example is carried out based on the example of wisdom building object-oriented data model, generate the three-dimensional model of construction example, according to the target area of three-dimensional model determination construction example, mathematical model is propagated in conjunction with the sound wave line built in advance, the value affecting the parameter of acoustic wave movement track that utilization is arranged calculates the acoustic wave movement track in target area, judge whether this acoustic wave movement track blocks, if blocked, then constantly adjustment affects the value of the parameter of acoustic wave movement track, until the acoustic wave movement track in target area is unobstructed.
Below in conjunction with specific embodiment, realization of the present invention is described in detail:
Embodiment one
Fig. 1 shows the realization flow of the method for acoustic wave movement track in the control wisdom building that the embodiment of the present invention one provides, and details are as follows:
In step S101, build the wisdom building object-oriented data model based on GIS.
Geographic Information System (GeographicInformationSystem, GIS) as a kind of technology of real world being carried out to Object-Oriented Model, simulation, analysis, the deficiency in current wisdom building structure design process can be compensate for, realize the Simulation and analysis of whole architectural environment.
GIS is specifically designed to collection, storage, management, analyzes and the infosystem of expression of space data, it be represent, simulating reality spatial world and carry out the instrument of spatial data handling analysis, be also a science and technology analyzed about Spatial information processing.With regard to the tool characteristics of GIS, it adopts digital form to represent for people and analyzes the function that the realistic space world provides a series of spatial operation and analysis, the various spatial datas comprising synthetically storage administration people research and solve needed for space problem; Inquire about relevant space distribution information according to the requirement of user, carry out various statistic calculation, list drawing; According to the needs of planning, management, production, carry out the simulative optimization etc. of multifactorial synthetic study, decision scheme.
In GIS, real world is expressed as a series of geographic element and geographical phenomenon, and these geographic entitys are at least by locus reference information and non-position information two ingredients.9 levels be it has been generally acknowledged that to the abstraction process of real world objects, connected by 8 interfaces between these nine levels, define the transformation model from real world to the geographic element set world.These 9 levels are followed successively by real world (RealWorld), the concept world (ConceptualWorld), the geographical space world (GeospatialWorld), the yardstick world (DimensionalWorld), the project world (ProjectWorld), the some world (PointsWorld), the solid world (GeometryWorld), the geographic element world (FeatureWorld) and the elements combination world (FeatureCollectionWorld).8 interfaces connecting these nine levels are respectively understanding (Epistemic) interface, GIS subject (GISDiscipline) interface, local metric (LocalMetric) interface, information community (Community) interface, spatial reference frames (SpatialReference) interface, solid structure interface, element structure interface and project structure interface.Wherein the first five model is abstract to real world, is not implemented in computer software; Rear four models be about real world mathematics with the model of symbolism, will be implemented in software.
Building entity in real world expressed by wisdom building object-oriented data model is through the essentiality content of Model Abstraction, and the overall model of wisdom building as shown in Figure 2.
The wisdom building object-oriented data model of concrete foundation as shown in Figure 3, mainly comprises the content of three aspects:
(1), space geometry information
I.e. geometric coordinate set, the locus of each object in mark building, as longitude and latitude, planimetric rectangular coordinates and coordinate etc., its geometric figure shows as an object, line object and in the face of the three types such as resembling.
1.1 objects
Point has specific position, and dimension is the object of zero, comprising:
. some entity (PointEntity): be used for representing an entity;
. annotation point: for locating annotation;
. interior point (LabelPoint): for recording polygonal attribute, be present in polygon;
. node (node) (Node): the terminal and the starting point that represent line;
. angle point (Vertex): the internal point representing line segment and segmental arc.
1.2 line object
Line object to be dimension very conventional in the object-oriented data model of wisdom building be 1 space component, represent the space attribute on object and their borders, represented by a series of coordinate, wherein, the geometric attribute of line object comprises:
. length: from the overall length of origin-to-destination;
. flexibility: for representing the bending degree as building roof;
. direction: for representing the water (flow) direction of water supply line.
The geometry entity of line object comprises line segment, border, chain, segmental arc, network etc.
1.3 in the face of resembling
In the OO mathematical model liking wisdom building, dimension is the space component of 2.
Planar entity is to the description of class phenomenon such as body of wall, floor.Usually add interior point by a closed curve in a database to represent.Planar entity has following spatial character (in the face of the geometric attribute of elephant comprises):
. area;
. girth;
. shape;
. independence or with other atural object adjacency, as body of wall and periphery floor thereof or roof;
. plyability and non-overlapping, as juxtaposition phenomenon all likely appears in the illumination zone of light on roof, the ventilation scope etc. of air-conditioning system, each parking stall in parking lot is adjacent in general but there will not be overlap.
(2), entity space relation
Entity space relation generally includes: metric relation, as the distance between two objects; Position relation, defines the orientation between two objects; Topological relation, defines between object relations such as being communicated with, adjacent.
2.1 metric relation
Fundamental space object metric relation comprises some the distance between/point, point/line, point/face, line/line, line/face, face/face.The parameter such as access in the angle of body of wall and approaching object, tendency, orientation, area, volume, lighting radiation degree, path can be completed according to these fundamental relations.Between this external fundamental space object relation basis on, the metric relation between point group, line-group, face group can be constructed.Such as, on the basis of known point/line topological relation and a point/metric relation, can obtain a little/between shortest path, optimal path, service range etc.; Known point, line, surface metric relation, carries out distance measurements calculation, contiguous analysis, cluster analysis, buffer zone analysis, Thiessen polygon analysis etc.
2.2 position relation
Position relation, it defines the orientation between object, as " elevator in northwest of office to " just describes position relation.In order to the position relation between objective definition, the relation first between defining point target.Given position reference, i.e. orthogonal X, Y-coordinate axle, the definition of direction relations adopts the straight line perpendicular to coordinate axis to be reference.Make Pi be the point (P is former target) of target P, Qj is the point (Q is reference target) of target Q, X, the Y-coordinate of X (Pi) and Y (Pi) function reentry point Pi.Then P and Q has following 8 kinds and may be related in two-dimensional space, and provides a complete relation and cover.These contextual definitions are:
Restricted_East(Pi，Qj)=X(Pi)＞X(Qj)AndY(Pi)=Y(Qj)
Restricted_South(Pi，Qj)=X(Pi)=X(Qj)AndY(Pi)＜Y(Qj)
Restricted_West(Pi，Qj)=X(Pi)＜X(Qj)AndY(Pi)=Y(Qj)
Restricted_North(Pi，Qj)=X(Pi)=X(Qj)AndY(Pi)＞Y(Qj)
North_West(Pi，Qj)=X(Pi)＜X(Qj)AndY(Pi)＞Y(Qj)
North_East(Pi，Qj)=X(Pi)＞X(Qj)AndY(Pi)＞Y(Qj)
South_West(Pi，Qj)=X(Pi)＜X(Qj)AndY(Pi)＜Y(Qj)
South_East(Pi，Qj)=X(Pi)＞X(Qj)AndY(Pi)＜Y(Qj)
The projection that above 8 kinds of relations pass through point can accurately judge.If any any two points, above-mentioned 8 kinds of relations must have a kind of satisfied.And these relations have transitivity, other relation can be changed mutually (as North_East (PI, QJ) South_West (QI, PJ), by expanding above-mentioned 8 kinds of relations, other 4 kinds of direction relationses can be drawn, that is:
East(Pi，Qj)=North_East(Pi，Qj)OrRestricted_East(Pi，Qj)OrSouth_East(Pi，Qj)
South(Pi，Qj)=South_West(Pi，Qj)OrRestricted_South(Pi，Qj)OrSouth_East(Pi，Qj)
West(Pi，Qj)=North_West(Pi，Qj)OrRestricted_West(Pi，Qj)OrSouth_West(Pi，Qj)
North(Pi，Qj)＝North_West(Pi，Qj)OrRestricted_North(Pi，Qj)OrNorth_East(Pi，Qj)
Based on direction relations between point target, the direction relations between all the other targets can similarly define.
2.3 topological relation
Topological relation is spatial relationship the most basic in the object-oriented data model of wisdom building, following mathematical definition can be done: be provided with two simple entity A, B in real world to it, B (A), B (B) represent the border of A, B, I (A), I (B) represent the inside of A, B, E (A), E (B) represent more than A, B, therefore 9-Crosslinking Mechanisms relational model (9-IntersectionModel, 9-IM) be made up of border, inside, remaining point set can be constructed as shown in table 1:
| B(A)∩B(B) | B(A)∩I(B) | B(A)∩E(B) |
| I(A)∩B(B) | I(A)∩I(B) | I(A)∩E(B) |
| E(A)∩B(B) | E(A)∩I(B) | E(A)∩E(B) |
Table 1
For each element in this matrix, have " sky " and " non-NULL " two kinds of values, 9 elements can produce 512 kinds of situations altogether.
Topological relation in the object-oriented data model of wisdom building includes the topological relation between point, line (or arc), polygon (region), and its specific descriptions are as follows:
1) some topological relation
Be harmonious, from.
2) dotted line topological relation
Intersect;
Point is on line: can the character of calculation level, as flex point etc.;
The end points of line: starting point and terminal;
The intersection point of line;
From: put and be separated with line, can calculation level to the distance of line.
3) face topological relation is put
In inside:
Point, in region, can count and add up;
Point is the geometric center in region;
Point is the space center of gravity in region;
On border: put on the border in region;
In outside: put at region exterior.
4) line line topological relation
Overlap;
Connect: head and the tail articulating or order connect;
Intersect;
Parallel;
Tangent;
From.
5) line face topological relation
Comprise: region comprises line, can the density of interior lines, zoning;
Intersect;
Pass: line is through region;
From: line and region disconnecting.
6) face face topological relation
Comprise: as the situation on island;
Be harmonious;
Intersect: can subarea be divided, and computational logic with or, not sum XOR;
Adjacent: the character and the length that calculate adjacent boundary;
From: calculate distance, gravitation etc.
3, non-geometric attribute: with the attribute that geometric position is irrelevant
Namely usually said non-geometric attribute or abbreviation attribute, refer to the non-geometric attribute variable that entity is intrinsic.Attribute is divided into two kinds of quantitative and qualitative analysis, and the former comprises title, type, characteristic etc., and the latter comprises quantity and grade; The attribute of qualitative description is as building materials type etc., and quantitative attribute is as the coefficient of heat conductivity etc. of building materials.Non-geometric attribute is generally through abstract concept, is obtained by classification, name, amount calculation, statistics.Any entity has an attribute at least, and the analysis of the object-oriented data model of wisdom building, retrieval and expression are mainly realized by the operation of attribute, therefore, attribute categorizing system, amount calculates the function of index on wisdom building larger impact.
The overall model of the wisdom building according to Fig. 2 and the wisdom building object-oriented data model shown in Fig. 3 build wisdom building object-oriented data model example, the wisdom building object-oriented data model example built is as shown in Fig. 4 a, 4b, 4c, 4d and 4e, wherein, wisdom building comprise 1 to N number of room, each room includes door, window, body of wall and floor, and the door in each room, window, body of wall and floor are respectively as an Entity object model of the real world of GIS; Wherein, each Entity object model includes space geometry information, non-geometric attribute and entity space relation.
In step s 102, based on the example of wisdom building object-oriented data model, carry out the three-dimensional modeling of construction example, generate the three-dimensional model of construction example.
Three-dimensional modeling in the present embodiment is the three-dimensional modeling carrying out wisdom building based on the example of the wisdom building object-oriented data model of step S101 structure, its flow process is: quantity and the component relationship of first determining room in wisdom building, then modeling is carried out for each room one by one, comprise the structure etc. of body of wall, window, door, floor, finally each good for modeling room carried out combining and set up spatial entities relation, completing the three-dimensional modeling of whole wisdom building with this.
Below just for the room of music purposes, the three-dimensional building process in the small music Room is the modeling process of the wise intelligent building three-dimensional model of example.
3.1 set up body of wall and roof.
First input four region point coordinates of body of wall, as shown in Figure 5, as shown in Figure 6, on body of wall top, east side, line segment any point single left button mouse click adds a new node to the three-dimensional structure of the body of wall of formation, input dX=15400, dY=11300, dZ=4511.A new node is plugged equally, input dX=11900, dY=11300, dZ=4511 on the body of wall in west side.Then connect two nodes, such body of wall and roof just define, and as shown in Figure 7, are the three-dimensional structure schematic diagram on body of wall, roof.
3.2 set up window.
First select body of wall, then select to insert window object, and its width and height are set, as shown in Figure 8, schematic diagram is set for window parameter.
3.3 arrange room non-geometric attribute.
In the present embodiment, the material that roof, body of wall and window are set is selected.
First the material on roof is set, as shown in Figure 9, for roof material parameters schematic diagram is set, in fig .9, in the list on roof, left side, first choose the material of clay tile, then the reflecting attribute in the lower right corner arranged.
Secondly we arrange the material of body of wall, as shown in Figure 10 for body of wall material parameters schematic diagram is set, in Fig. 10, in the list of left side body of wall, first choose brick joisted material, then the reflecting attribute in the lower right corner arranged.
The material of window is finally set, as shown in figure 11, for window material parameters schematic diagram is set, in fig. 11, first in the list of left side window, choose the material of aluminium alloy single-glass, and its transparency is set, then the reflecting attribute in the lower right corner is arranged.
Complete the structure in single room, remaining work be exactly repeatability carry out modeling for each room one by one, finally form the three-dimensional model of whole wisdom building, as shown in figure 12.
In step s 103, according to the target area of three-dimensional model determination construction example.
In the present embodiment, determine the target area of construction example, calculate and show the volume of this target area.Using the target area of the three-dimensional model of the whole wisdom building in Figure 12 as construction example.
In step S104, propagate mathematical model in conjunction with the sound wave line built in advance, the value affecting the parameter of acoustic wave movement track that utilization is arranged calculates the acoustic wave movement track in target area.
In the present embodiment, the sound wave line that builds in advance propagate mathematical model and light similar, sound wave line also follows reflection law in communication process, and namely incident ray, reflected ray and surface normal are positioned at same plane, and incident angle equals reflection angle.Namely 1. reflection ray and incident ray coexist in the plane of incidence.2. reflection angle equals incident angle, i.e. θ i=θ r.
The parameter affecting acoustic wave movement track comprises the volume of target area, sound source position, frequency of source, order of reflection, radiation mode, initial angle etc.
At the present embodiment, first sound source position, frequency of sound wave, order of reflection are set.The value of sound source position, arranges schematic diagram as depicted in fig. 13 a, and it arranges result as shown in the cross star in the coordinate in Figure 13 b.If adjust sound source position, X key, Y key, Z key can be clicked respectively, make sound source object to X-axis, Y-axis, Z axis forward or negative sense is micro-moves.Generally for the small music Room, sound source is positioned at 2-3m place after curtain opener line, is 1.5m apart from dance table surface height.
Next arranges the value of frequency of sound wave, order of reflection, arranges schematic diagram as shown in figure 14.
Again arrange the value of initial angle, initial angle here mainly refers to the angle between sound source and X, Y, Z axis, and for the small music Room when general, initial angle is 45 degree, 45 degree, 45 degree, arranges schematic diagram as shown in figure 15.
Finally, utilize the value of above-mentioned parameter, propagate the acoustic wave movement track of this target area of calculated with mathematical model in conjunction with the sound wave line preset, as shown in figure 16, details are as follows for the process flow diagram of its computation process:
Step 1, with sound source coordinate be starting point, initial angle does a ray for deflection;
Step 2, first intersection point calculating this ray and building interior and reflection angle;
Step 3, with this intersection point for starting point repeats step 1 and step 2, until meet the requirement of the order of reflection preset.Wherein, the value of order of reflection preset be in fig. 14 set by.
In step S105, judge whether acoustic wave movement track blocks.
The acoustic wave movement track of this example is the room mini music hall being mainly used in music purposes, sound track is only had unobstructedly to arrive auditorium, just favourable to the intensity and sharpness that increase sound, spectators just can be made to enjoy the music of high tone quality, the needs of design could be met.
In step s 106, if blocked, then constantly adjustment affects the value of the parameter of acoustic wave movement track, until the acoustic wave movement track in target area is unobstructed.
In the present embodiment, if the acoustic wave movement track calculated can not meet the needs of building design, so need constantly to adjust the position of sound source, repeat the operation in S104, from multiple acoustic wave movement track result, select the most satisfied effect with this to reach the optimized object of design.
The present embodiment, based on GIS technology, build wisdom building object-oriented data model, the three-dimensional modeling of construction example is carried out based on the example of wisdom building object-oriented data model, generate the three-dimensional model of construction example, according to the target area of three-dimensional model determination construction example, mathematical model is propagated in conjunction with the sound wave line built in advance, the value affecting the parameter of acoustic wave movement track that utilization is arranged calculates the acoustic wave movement track in target area, judge whether acoustic wave movement track blocks, if blocked, then constantly adjustment affects the value of the parameter of acoustic wave movement track, until the acoustic wave movement track in target area is unobstructed.Achieve in wisdom building design process, the Simulation and analysis result of object optimal combination various in real building being carried out to acoustic wave movement track selects optimum object combination with this, thus meets the needs of wisdom building construction.
Embodiment two
Figure 17 shows the concrete structure block diagram of the device of acoustic wave movement track in the control wisdom building that the embodiment of the present invention two provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.In the present embodiment, in these control wisdom building, the device 17 of acoustic wave movement track comprises: data model construction unit 171, three-dimensional model generation unit 172, target area determining unit 173, acoustic wave movement trajectory calculation unit 174, acoustic wave movement track judging unit 175 and parameter adjustment unit 176.
Wherein, data model construction unit 171, for building the wisdom building object-oriented data model based on Geographic Information System;
Three-dimensional model generation unit 172, for carrying out the three-dimensional modeling of construction example based on the example of the object oriented data model of wisdom building, generates the three-dimensional model of construction example;
Target area determining unit 173, for the target area according to three-dimensional model determination construction example;
Acoustic wave movement trajectory calculation unit 174, propagate mathematical model for combining the sound wave line built in advance, the value affecting the parameter of acoustic wave movement track that utilization is arranged calculates the acoustic wave movement track in target area;
Acoustic wave movement track judging unit 175, for judging whether acoustic wave movement track blocks;
Parameter adjustment unit 176, if for blocking, then constantly adjustment affects the value of the parameter of acoustic wave movement track, until the acoustic wave movement track in target area is unobstructed.
Further, data model comprises Entity object model, the space geometry information corresponding with Entity object model, non-geometric attribute and entity space relation.
Concrete, three-dimensional model generation unit 172 comprises:
Relationship determination module, for determining quantity and the component relationship in room in wisdom building;
Room MBM, for carrying out three-dimensional modeling for each room one by one;
Entity relationship sets up module, for being carried out combining in each good for modeling room and setting up entity space relation.
Concrete, room MBM is one by one for the door in each room, window, body of wall, floor carry out three-dimensional modeling.
Concrete, the parameter affecting acoustic wave movement track comprises the volume of target area, sound source position, frequency of source, order of reflection, radiation mode, initial angle.
Concrete, parameter adjustment unit constantly adjusts the value of sound source position parameter, until the acoustic wave movement track in target area is unobstructed.
Concrete, acoustic wave movement trajectory calculation unit 174, for performing steps A, step B, step C successively;
Wherein, steps A, with sound source coordinate be starting point, initial angle does a ray for deflection;
Step B, first intersection point calculating ray and building interior and reflection angle;
Step C, be that starting point repeats steps A and step B with intersection point, until meet the requirement of the order of reflection preset.
In the control wisdom building that the embodiment of the present invention provides, the device of acoustic wave movement track can be applied in the embodiment of the method one of aforementioned correspondence, and details, see the description of above-described embodiment one, do not repeat them here.
The device of acoustic wave movement track in the control wisdom building that the present embodiment provides, based on GIS technology, build wisdom building object-oriented data model, the three-dimensional modeling of construction example is carried out based on the example of wisdom building object-oriented data model, generate the three-dimensional model of construction example, according to the target area of three-dimensional model determination construction example, mathematical model is propagated in conjunction with the sound wave line built in advance, the value affecting the parameter of acoustic wave movement track that utilization is arranged calculates the acoustic wave movement track in target area, judge whether acoustic wave movement track blocks, if blocked, then constantly adjustment affects the value of the parameter of acoustic wave movement track, until the acoustic wave movement track in target area is unobstructed.Achieve in wisdom building design process, the Simulation and analysis result of object optimal combination various in real building being carried out to acoustic wave movement track selects optimum object combination with this, thus meets the needs of wisdom building construction.
It should be noted that in said system embodiment, included unit is carry out dividing according to function logic, but is not limited to above-mentioned division, as long as can realize corresponding function; In addition, the concrete title of each functional unit, also just for the ease of mutual differentiation, is not limited to protection scope of the present invention.
In addition, one of ordinary skill in the art will appreciate that all or part of step realized in the various embodiments described above method is that the hardware that can carry out instruction relevant by program has come, corresponding program can be stored in a computer read/write memory medium, and this storage medium is ROM/RAM, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. control a method for acoustic wave movement track in wisdom building, it is characterized in that, described method comprises:
Build the wisdom building object-oriented data model based on Geographic Information System;
Based on the example of the object oriented data model of described wisdom building, carry out the three-dimensional modeling of construction example, generate the three-dimensional model of described construction example;
The target area of described construction example is determined according to described three-dimensional model;
Propagate mathematical model in conjunction with the sound wave line built in advance, the value affecting the parameter of acoustic wave movement track that utilization is arranged calculates the acoustic wave movement track in described target area;
Judge whether described acoustic wave movement track blocks;
If blocked, then constantly adjustment affects the value of the parameter of acoustic wave movement track, until the acoustic wave movement track in described target area is unobstructed;
The described parameter affecting acoustic wave movement track comprises volume, sound source position, frequency of source, order of reflection, radiation mode, the initial angle of described target area;
The sound wave line that builds in advance propagate mathematical model and light similar, sound wave line follows reflection law in communication process.
2. the method for claim 1, is characterized in that, described data model comprises Entity object model, the space geometry information corresponding with described Entity object model, non-geometric attribute and entity space relation.
3. method as claimed in claim 2, it is characterized in that, the described three-dimensional modeling carrying out construction example based on the example of described wisdom building object-oriented data model specifically comprises:
Determine quantity and the component relationship in room in described wisdom building;
Three-dimensional modeling is carried out one by one for each room;
Each good for modeling room is carried out combining and sets up entity space relation.
4. method as claimed in claim 3, is characterized in that, is describedly specially for each room carries out three-dimensional modeling one by one: one by one for the door in each room, window, body of wall, floor carry out three-dimensional modeling.
5. the method for claim 1, is characterized in that, constantly the value of adjustment sound source position parameter, until the acoustic wave movement track in described target area is unobstructed.
6. the method as described in any one of claim 1 to 5, it is characterized in that, mathematical model propagated by the sound wave line that described combination builds in advance, and the acoustic wave movement track utilizing the value affecting the parameter of acoustic wave movement track arranged to calculate in described target area is specially:
A, with sound source coordinate be starting point, initial angle does a ray for deflection;
B, first intersection point calculating described ray and building interior and reflection angle;
C, with described intersection point for starting point repeats steps A and step B, until meet the requirement of the order of reflection preset.
7. control a device for acoustic wave movement track in wisdom building, it is characterized in that, described device comprises:
Data model construction unit, for building the wisdom building object-oriented data model based on Geographic Information System;
Three-dimensional model generation unit, for carrying out the three-dimensional modeling of construction example based on the example of the object oriented data model of described wisdom building, generates the three-dimensional model of described construction example;
Target area determining unit, for determining the target area of described construction example according to described three-dimensional model;
Acoustic wave movement trajectory calculation unit, propagate mathematical model for combining the sound wave line built in advance, the value affecting the parameter of acoustic wave movement track that utilization is arranged calculates the acoustic wave movement track in described target area;
Acoustic wave movement track judging unit, for judging whether described acoustic wave movement track blocks;
Parameter adjustment unit, if for blocking, then constantly adjustment affects the value of the parameter of acoustic wave movement track, until the acoustic wave movement track in described target area is unobstructed;
The described parameter affecting acoustic wave movement track comprises volume, sound source position, frequency of source, order of reflection, radiation mode, the initial angle of described target area;
The sound wave line that builds in advance propagate mathematical model and light similar, sound wave line follows reflection law in communication process.
8. device as claimed in claim 7, it is characterized in that, described data model comprises Entity object model, the space geometry information corresponding with described Entity object model, non-geometric attribute and entity space relation;
Described three-dimensional model generation unit comprises:
Relationship determination module, for determining quantity and the component relationship in room in described wisdom building;
Room MBM, for carrying out three-dimensional modeling for each room one by one;
Entity relationship sets up module, for being carried out combining in each good for modeling room and setting up entity space relation.
9. device as claimed in claim 8, is characterized in that, described room MBM is one by one for the door in each room, window, body of wall, floor carry out three-dimensional modeling.
10. device as claimed in claim 7, it is characterized in that, described parameter adjustment unit constantly adjusts the value of sound source position parameter, until the acoustic wave movement track in described target area is unobstructed.
11. devices as described in any one of claim 7 to 10, it is characterized in that, described acoustic wave movement trajectory calculation unit, for performing steps A, step B, step C successively;
Wherein, steps A, with sound source coordinate be starting point, initial angle does a ray for deflection;
Step B, first intersection point calculating described ray and building interior and reflection angle;
Step C, with described intersection point for starting point repeats steps A and step B, until meet the requirement of the order of reflection preset.
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