CN104933763B - A kind of underground chamber three-dimensional modeling method and device - Google Patents
A kind of underground chamber three-dimensional modeling method and device Download PDFInfo
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Abstract
The present invention relates to underground chambers to model field, disclose a kind of underground chamber three-dimensional modeling method and device, by designing cavern's axis, and obtain cavern's axis characteristic, cavern's sectional configurations characteristic parameter is set, using cavern's axis characteristic and cavern's sectional configurations characteristic parameter, dynamic construction includes cavern's section expanded configuration parameter of cavern's axis characteristic, according to the expanded configuration parameter, underground chamber threedimensional model is generated.Cavern's Structural abstraction is two parameters of cavern's axis and cavern's sectional configurations by the present invention, reduces storage data quantity and operand, can be according to the 3 D graphic data of data dynamic generation cavern structure input by user.
Description
Technical field
The present invention relates to underground chamber modeling field more particularly to a kind of underground chamber three-dimensional modeling methods and device.
Background technology
In underground energy storage cavern and construction of hydropower plant, the intensive cavity group in underground is widely adopted.Large Underground is intensive
The construction of cavity group will necessarily encounter complicated geological conditions and a large amount of geological problem, to the design and scheme of underground chamber
It is preferred that bring bigger difficulty.Traditional engineering geological data analysis and explanation and underground chamber design method are frequently with two
The expression way of dimension, it is difficult to directly, it is complete, accurately understand geological structure, it is difficult to meet intuitive, quick, interaction design need
It asks.In order to make up many deficiencies of two-dimentional expression way, three-dimensional modeling method is proposed in the prior art, and it is close in design underground
When collecting cavity group, complicated space layout, above cavern intersects in addition so that workload of operation is huge, while the three-dimensional of magnanimity
Graph data also brings huge pressure to storage and management, it is difficult to realize the design platform exploitation based on internet.
Invention content
The present invention provides a kind of underground chamber three-dimensional modeling method and device, solves underground chamber three-dimensional in the prior art and builds
The technical issues of workload of operation of mould method is huge, and data storage and management pressure is big.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of underground chamber three-dimensional modeling method, which is characterized in that including：
Cavern's axis is designed, and obtains cavern's axis characteristic, wherein, cavern's axis is used to describe the sky of cavern
Between move towards, cavern's axis be equipped with multiple inflection points, cavern's axis characteristic include the inflection point Project Areas sky
Between the coordinate of coordinate system and the line segment attribute of line segment where the inflection point；
Cavern's sectional configurations characteristic parameter is set, cavern's sectional configurations characteristic parameter includes pile No., section identification code
And section attribute, for the section identification code for inquiring the node coordinate of composition section, the section attribute is disconnected for identifying
Face is the continuity of previous hole section or the starting point of next hole section；
Using cavern's axis characteristic and cavern's sectional configurations characteristic parameter, dynamic construction includes described
Cavern's section expanded configuration parameter of cavern's axis characteristic；
According to the expanded configuration parameter, underground chamber threedimensional model is generated.
A kind of underground chamber three-dimensional modeling apparatus, including：
First acquisition module, for obtaining cavern's axis characteristic, wherein, cavern's axis is used to describe cavern
Space is moved towards, and cavern's axis is equipped with multiple inflection points, and cavern's axis characteristic includes the inflection point in Project Areas
The line segment attribute of line segment where the coordinate of space coordinates and the inflection point；
Second acquisition module, for obtaining cavern's sectional configurations characteristic parameter, cavern's sectional configurations characteristic parameter packet
Pile No., section identification code and section attribute are included, the section identification code is described disconnected for inquiring the node coordinate of composition section
Face attribute is used to identify section as the continuity of previous hole section or the starting point of next hole section；
Data processing module, for utilizing cavern's axis characteristic and cavern's sectional configurations characteristic parameter,
Dynamic construction includes cavern's section expanded configuration parameter of cavern's axis characteristic；
Graph generation module, for according to the expanded configuration parameter, generating underground chamber threedimensional model.
The present invention provides a kind of underground chamber three-dimensional modeling method and device, by designing cavern's axis, and obtains cavern
Axis characteristic sets cavern's sectional configurations characteristic parameter, utilizes cavern's axis characteristic and cavern's section
Configuration feature parameter, dynamic construction includes cavern's section expanded configuration parameter of cavern's axis characteristic, according to institute
Expanded configuration parameter is stated, generates underground chamber threedimensional model.Cavern's Structural abstraction is cavern's axis and cavern's section by the present invention
Two parameters are configured, reduce storage data quantity and operand, it can be according to data dynamic generation cavern structure input by user
3 D graphic data.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the horizontal layout schematic diagram of underground chamber of the embodiment of the present invention；
Fig. 2 is a kind of flow chart of underground chamber three-dimensional modeling method provided in an embodiment of the present invention；
Fig. 3 is a kind of structure diagram of cavern's section provided in an embodiment of the present invention；
Fig. 4 is three according to a kind of underground chamber of underground chamber three-dimensional modeling method generation provided in an embodiment of the present invention
Dimension modeling schematic diagram；
Fig. 5 is the three-dimensional modeling schematic diagram of certain underground storage provided in an embodiment of the present invention；
Fig. 6 is a kind of structure diagram of underground chamber three-dimensional modeling apparatus provided in an embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
As Fig. 1 be the embodiment of the present invention underground chamber horizontal layout schematic diagram, the underground chamber include parking area and
With other cavern's intersections, cavern's axis 110 is shown in dotted line, and cavern's section 120 and cavern's section 130 are two different positions
The section put, underground chamber need to be set according to practical geological survey situation, complicated underground chamber there are a variety of similar
Group have different function cavern (construction hole, water curtain hole, contact hole, storage cavern hole, diversion tunnel, diversion tunnel, underground power house, main transformer hole,
Tailrace tunnel etc.) composition, a cavern is then made of several holes section, is exactly by entrance hole section, diversion tunnel section, arc such as diversion tunnel
Shape hole section and tailrace tunnel section composition, shape, the size in cavern section of each hole section etc. are different.Common cavern section shape
Shape mainly has rectangle, circle and complex shape.Below how to generate the threedimensional model of underground cavern as shown in Figure 1, introduce a kind of
Underground chamber three-dimensional modeling method, including：
Step 201, design cavern's axis, and obtain cavern's axis characteristic；
Wherein, cavern's axis is used to describe the space trend of cavern, and cavern's axis is equipped with multiple inflection points (as schemed
In 1 shown in " X " label), cavern's axis characteristic includes the inflection point at space coordinates (the earth right angle of Project Areas
Coordinate system or region rectangular coordinate system) coordinate and the inflection point where line segment line segment attribute, line segment attribute include line segment
Starting point, be still located on the curved section that is made of multiple inflection points positioned at straightway；
Cavern's axis characteristic is one group of space coordinate orderly put and line segment attribute, as shown in table 1.Along cavern's axis
Segmentation calculates the line segment length between adjacent comers according to line segment type, and extends each inflection point that adds up out successively forward with axis
Locate the mileage pile No. (abbreviation pile No.) of cumulative length, i.e. cavern, the local coordinate system as the cavern.Cavern's local coordinate system is
One-dimensional coordinate system, the arbitrary pile No. that the starting point of axis is usually 0 pile No. or user specifies.
Table 1
Step 202, setting cavern's sectional configurations characteristic parameter；
Cavern's sectional configurations characteristic parameter uses cavern's local coordinate system, only (including cavern two at section change
Endpoint) profile recognition code and section attribute is configured, such as horizontal line (cavern's section 120 and the cavern's section perpendicular to hole axis in Fig. 1
130) shown in.Such as：Certain hole section from A sections is gradually transitioned into B sections, be only configured A and B sections or if cavern in certain stake
Number intersect with another cavern and infall section is changed, corresponding section is also configured.Cavern's sectional configurations feature ginseng
Number is one group of pile No. orderly put and profile recognition code and section attribute, as 9 sections of the table 2 for access tunnel shown in Fig. 1 are matched
Put characteristic parameter.For inquiring the node coordinate of composition section, the section attribute is used to identify section the section identification code
For the continuity of previous hole section or the starting point of next hole section.
Table 2
The section node coordinate is the local coordinate along the borderline number of Node of cavern's section.Node is arranged only at group
Into the inflection point of the line segment of section, appropriate node should be arranged for circular arc line segment, to use straightway approximating curve, such as Fig. 3
A kind of structure diagram of cavern's section is shown, wherein black color dots are node, and the node coordinate of Tu Zhong caverns section can be with table
Up to for
H=[0,4250,4250,2395,0, -2395, -4250, -4250]；
S=[0,0,0,0,0,0,0,0]；
V=[0,0,7788,9414,10000,9414,7788,0].
For the cross section of two caverns, the coordinate in exterior normal direction is no longer zero, if section identification code is with anti-
To mark, the exterior normal coordinate value of each node is multiplied by -1 respectively.
Step 203 utilizes cavern's axis characteristic and cavern's sectional configurations characteristic parameter, dynamic construction packet
Cavern's section expanded configuration parameter containing cavern's axis characteristic；
Wherein, two ways specifically may be used in step 203, as follows：
(1) using pile No. as coordinate system, cavern's axis characteristic is inserted into cavern's sectional configurations feature and is joined
Among number, cavern's section expanded configuration parameter of cavern's axis characteristic is included with structure, wherein, it is disconnected at inflection point
Face is determined by adjacent sections；
(2) cavern's axis characteristic and cavern's sectional configurations characteristic parameter are inherited, maps directly to public affairs
Altogether in table, by pile No. sequence from the public sheet, cavern's section that cavern's axis characteristic is included with structure expands
Exhibition configuration parameter.
Step 204, according to the expanded configuration parameter, generate underground chamber threedimensional model.
Wherein, step 204 can specifically include：
Step 204-1, according to the section identification code, the node coordinate of inquiry composition section；
Step 204-2, the section node coordinate is inserted on the axis of expanded configuration parameter, to generate cavern's structure
3 D graphic data；
Wherein, the 3 D graphic data includes apex coordinate and unit topology；
Step 204-3, according to the 3 D graphic data, underground chamber threedimensional model is generated.
For the difference of cavern section present position, step 204-2 needs point following three kinds of situations to be handled, as follows：
The first situation：When cavern's section is located at cavern's starting point, with the space of cavern's axis after cavern's starting point
Orientation carries out rotation transformation as the outer normal vector of section to node coordinate on section, then moves on cavern's axis, then
Apex coordinate array is sequentially stored into, to generate the 3 D graphic data of cavern's structure；
The second situation：When before cavern's section being located at cavern end, the forward and backward two sections of axis of collocation point are calculated successively
Dimensional orientation vector calculates the outer normal vector of section and construction amplification coefficient, on section with the two space vectors
Node data zooms in and out and rotation transformation, then moves on axis, then is attached to apex coordinate array successively；When cavern breaks
When face is cavern's continuation point, according to the serial number of the node of previous section and this section deposit apex coordinate array, structure is originally
The unit topology of hole section, is stored in unit topology array；
The third situation：When cavern's section is located at cavern end, with the space side of cavern's axis before cavern end
The extended line that endpoint is crossed in position carries out rotation transformation as the outer normal vector of section to node coordinate on section, then moves to axis
On line, then it is attached to apex coordinate array successively, and according to the node of previous section and this section deposit apex coordinate array
Serial number builds the unit topology of this hole section, is stored in unit topology array.
Three-dimensional modeling is carried out according to a kind of underground chamber three-dimensional modeling method of the embodiment of the present invention, shown in Fig. 1 of generation
Construction tunnel 3-D graphic it is as shown in Figure 4.
The present invention provides a kind of underground chamber three-dimensional modeling method and device, by designing cavern's axis, and obtains cavern
Axis characteristic sets cavern's sectional configurations characteristic parameter, utilizes cavern's axis characteristic and cavern's section
Configuration feature parameter, dynamic construction includes cavern's section expanded configuration parameter of cavern's axis characteristic, according to institute
Expanded configuration parameter is stated, generates underground chamber threedimensional model.Cavern's Structural abstraction is cavern's axis and cavern's section by the present invention
Two parameters are configured, reduce storage data quantity and operand, it can be according to data dynamic generation cavern structure input by user
3 D graphic data.
For below figure underground storage, share 8 class caverns and count 47 caverns.The abstract hole axis inflection point 202 of the present invention
It is a, 251 points of sectional configurations, 36 sections, 2892, the vertex of the 3-D graphic of generation, unit 2080.It is carried by the present invention
Three-dimensional modeling is carried out for a kind of underground chamber three-dimensional modeling method, since 3 D graphic data, database space pressure need not be stored
It has contracted more than ten times, and has been easily modified, the Parametric designing for underground chamber is laid a good foundation.
The embodiment of the present invention additionally provides a kind of underground chamber three-dimensional modeling apparatus, as shown in fig. 6, including：
First acquisition module 610, for obtaining cavern's axis characteristic, wherein, cavern's axis is used to describe hole
The space trend of room, cavern's axis are equipped with multiple inflection points, and cavern's axis characteristic includes the inflection point in project
The line segment attribute of line segment where the coordinate of the space coordinates in area and the inflection point；
Second acquisition module 620, for obtaining cavern's sectional configurations characteristic parameter, cavern's sectional configurations characteristic parameter
Including pile No., section identification code and section attribute, the section identification code is described for inquiring the node coordinate of composition section
Section attribute is used to identify section as the continuity of previous hole section or the starting point of next hole section；
Data processing module 630, for being joined using cavern's axis characteristic and cavern's sectional configurations feature
Number, dynamic construction include cavern's section expanded configuration parameter of cavern's axis characteristic；
Graph generation module 640, for according to the expanded configuration parameter, generating underground chamber threedimensional model.
Wherein, the graph generation module 640, including：
Query unit 641, for according to the section identification code, the node coordinate of inquiry composition section；
Processing unit 642, for the node coordinate to be inserted into the axis of expanded configuration parameter, to generate cavern's knot
The 3 D graphic data of structure, the 3 D graphic data include apex coordinate and unit topology；
Generation unit 643 according to the 3 D graphic data, generates underground chamber threedimensional model.
The data processing module 630, including：
Data processing unit 631, for using pile No. as coordinate system, cavern's axis characteristic to be inserted into the hole
Among the sectional configurations characteristic parameter of room；Alternatively, it is used for cavern's axis characteristic and cavern's sectional configurations feature
Parameter inheritance is mapped directly in public sheet；
Parameter construction unit 632, for building the cavern's section expanded configuration for including cavern's axis characteristic
Parameter, wherein, the section at inflection point is determined by adjacent sections；Alternatively, for being wrapped from the public sheet by pile No. sequence, structure
Cavern's section expanded configuration parameter containing cavern's axis characteristic.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
Software adds the mode of required hardware platform to realize, naturally it is also possible to all implemented by hardware, but in many cases before
Person is more preferably embodiment.Based on such understanding, whole that technical scheme of the present invention contributes to background technology or
Person part can be embodied in the form of software product, which can be stored in storage medium, such as
ROM/RAM, magnetic disc, CD etc. are used including some instructions so that a computer equipment (can be personal computer, service
Device either network equipment etc.) perform method described in certain parts of each embodiment of the present invention or embodiment.
The present invention is described in detail above, specific case used herein is to the principle of the present invention and embodiment party
Formula is expounded, and the explanation of above example is only intended to facilitate the understanding of the method and its core concept of the invention；It is meanwhile right
In those of ordinary skill in the art, thought according to the present invention has change in specific embodiments and applications
Part, in conclusion the content of the present specification should not be construed as limiting the invention.
Claims (4)
1. a kind of underground chamber three-dimensional modeling method, which is characterized in that including：
Cavern's axis is designed, and obtains cavern's axis characteristic, wherein, the space that cavern's axis is used to describe cavern is walked
To cavern's axis is equipped with multiple inflection points, and cavern's axis characteristic includes the inflection point and sat in the space of Project Areas
Mark the coordinate of system and the line segment attribute of inflection point place line segment；
Set cavern's sectional configurations characteristic parameter, cavern's sectional configurations characteristic parameter include pile No., section identification code and
Section attribute, for inquiring the node coordinate of composition section, the section attribute is the section identification code for identifying section
The continuity of previous hole section or the starting point of next hole section；
Using cavern's axis characteristic and cavern's sectional configurations characteristic parameter, dynamic construction includes the cavern
Cavern's section expanded configuration parameter of axis characteristic；It is described to utilize cavern's axis characteristic and cavern's section
Configuration feature parameter, dynamic construction include cavern's section expanded configuration parameter of cavern's axis characteristic, including：
Using pile No. as coordinate system, among cavern's axis characteristic is inserted into cavern's sectional configurations characteristic parameter,
Include cavern's section expanded configuration parameter of cavern's axis characteristic with structure, wherein, the section at inflection point is by phase
Adjacent section determines；Alternatively,
Cavern's axis characteristic and cavern's sectional configurations characteristic parameter are inherited, mapped directly in public sheet,
By pile No. sequence from the public sheet, structure includes cavern's section expanded configuration ginseng of cavern's axis characteristic
Number；
According to the expanded configuration parameter, underground chamber threedimensional model is generated；It is described according to the expanded configuration parameter, generation ground
Lower cavern threedimensional model, including：
According to the section identification code, the node coordinate of inquiry composition section；
The node coordinate is inserted on the axis of expanded configuration parameter, to generate the 3 D graphic data of cavern's structure, institute
It states 3 D graphic data and includes apex coordinate and unit topology；
According to the 3 D graphic data, underground chamber threedimensional model is generated.
2. underground chamber three-dimensional modeling method according to claim 1, which is characterized in that described to insert the node coordinate
Enter onto the axis of expanded configuration parameter, to generate the 3 D graphic data of cavern's structure, including：
It is outer using the dimensional orientation of cavern's axis after cavern's starting point as section when cavern's section is located at cavern's starting point
Normal line vector carries out rotation transformation to node coordinate on section, then moves on cavern's axis, then be sequentially stored into apex coordinate
Array, to generate the 3 D graphic data of cavern's structure；
When before cavern's section being located at cavern end, the dimensional orientation vector of the forward and backward two sections of axis of collocation point is calculated successively, with
The two space vectors calculate the outer normal vector of section and construction amplification coefficient, and the node data on section is zoomed in and out
And rotation transformation, it then moves on axis, then be attached to apex coordinate array successively；
When cavern's section is cavern's continuation point, according to the sequence of the node of previous section and this section deposit apex coordinate array
Number builds the unit topology of this hole section, is stored in unit topology array；
When cavern's section is located at cavern end, the extended line of endpoint is crossed with the dimensional orientation of cavern's axis before cavern end
Outer normal vector as section carries out rotation transformation to node coordinate on section, then moves on axis, then add successively
To apex coordinate array, and according to the serial number of the node of previous section and this section deposit apex coordinate array, structure is originally
The unit topology of hole section, is stored in unit topology array.
3. underground chamber three-dimensional modeling method as claimed in any of claims 1 to 2, which is characterized in that further include：
If the exterior normal coordinate value of each node is multiplied by -1 by section identification code respectively with reversely mark.
4. a kind of underground chamber three-dimensional modeling apparatus, which is characterized in that including：
First acquisition module, for obtaining cavern's axis characteristic, wherein, cavern's axis is used to describe the space of cavern
Trend, cavern's axis are equipped with multiple inflection points, and cavern's axis characteristic includes the inflection point in the space of Project Areas
The line segment attribute of line segment where the coordinate of coordinate system and the inflection point；
Second acquisition module, for obtaining cavern's sectional configurations characteristic parameter, cavern's sectional configurations characteristic parameter includes stake
Number, section identification code and section attribute, the section identification code is for inquiring the node coordinate of composition section, the section category
Property for identify section for previous hole section continuity or next hole section starting point；
Data processing module, for utilizing cavern's axis characteristic and cavern's sectional configurations characteristic parameter, dynamic
Structure includes cavern's section expanded configuration parameter of cavern's axis characteristic；The data processing module, including：
Data processing unit, for using pile No. as coordinate system, cavern's axis characteristic to be inserted into cavern's section
Among configuration feature parameter；Alternatively, for by cavern's axis characteristic and cavern's sectional configurations characteristic parameter after
It holds, maps directly in public sheet；
Parameter construction unit, for building the cavern's section expanded configuration parameter for including cavern's axis characteristic,
In, the section at inflection point is determined by adjacent sections；Alternatively, for, by pile No. sequence, structure to be comprising from the public sheet
State cavern's section expanded configuration parameter of cavern's axis characteristic；
Graph generation module, for according to the expanded configuration parameter, generating underground chamber threedimensional model；The graphic hotsopt mould
Block, including：
Query unit, for according to the section identification code, the node coordinate of inquiry composition section；
Processing unit, for the node coordinate to be inserted into the axis of expanded configuration parameter, to generate the three of cavern's structure
Graph data is tieed up, the 3 D graphic data includes apex coordinate and unit topology；
Generation unit according to the 3 D graphic data, generates underground chamber threedimensional model.
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| JP2008133595A (en) * | 2006-11-27 | 2008-06-12 | Tokyo Institute Of Technology | Safety evaluation system and safety evaluation method for underground structure |
| CN101882171A (en) * | 2010-05-21 | 2010-11-10 | 中交第二公路勘察设计研究院有限公司 | Method for fast establishing interactive tunnel and wall rock body three-dimensional models |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008133595A (en) * | 2006-11-27 | 2008-06-12 | Tokyo Institute Of Technology | Safety evaluation system and safety evaluation method for underground structure |
| CN101882171A (en) * | 2010-05-21 | 2010-11-10 | 中交第二公路勘察设计研究院有限公司 | Method for fast establishing interactive tunnel and wall rock body three-dimensional models |
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| Title |
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