CN104933763A - Method and device for three-dimensional modelling of underground cavities - Google Patents
Method and device for three-dimensional modelling of underground cavities Download PDFInfo
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- CN104933763A CN104933763A CN201510337059.4A CN201510337059A CN104933763A CN 104933763 A CN104933763 A CN 104933763A CN 201510337059 A CN201510337059 A CN 201510337059A CN 104933763 A CN104933763 A CN 104933763A
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Abstract
The invention relates to the field of modeling of underground cavities and discloses a method and a device for three-dimensional modelling of the underground cavities. The method comprises the following steps of designing a cavity axis and obtaining cavity axis characteristic data; setting a cavity section configuration characteristic parameter; dynamically constructing a cavity section extension configuration parameter containing the cavity axis characteristic data by utilizing the cavity axis characteristic data and the cavity section configuration characteristic parameter; and generating three-dimensional models of the underground cavities according to the extension configuration parameter. According to the method and the device, a cavity structure is abstracted to two parameters, namely a cavity axis and a cavity section, so that the data storage amount and the computation are reduced, and the three-dimensional graphic data of the cavity structure can be dynamically generated according to the data input by a user.
Description
Technical field
The present invention relates to underground chamber modeling field, particularly relate to a kind of underground chamber three-dimensional modeling method and device.
Background technology
In underground energy bank and construction of hydropower plant, the intensive cavity group in underground is widely adopted.The construction of the intensive cavity group of Large Underground, will inevitably run into complicated geologic condition and a large amount of geological problems, preferably bring larger difficulty to the design of underground chamber and scheme.Traditional engineering geological data analysis and explanation and underground chamber method for designing often adopt the expression way of two dimension, be difficult to direct, complete, understand tectonic structure exactly, be difficult to meet directly perceived, fast, the demand of interaction design.In order to make up many deficiencies of two-dimentional expression way, three-dimensional modeling method is proposed in prior art, and when the intensive cavity group in design underground, complicated space is arranged, go up cavern in addition to intersect, make workload of operation huge, the 3 D graphic data of magnanimity also brings huge pressure to storage and management simultaneously, is difficult to realize developing based on the design platform of internet.
Summary of the invention
The invention provides a kind of underground chamber three-dimensional modeling method and device, the workload of operation solving underground chamber three-dimensional modeling method in prior art is huge, the technical matters that data storage and management pressure is large.
The object of the invention is to be achieved through the following technical solutions:
A kind of underground chamber three-dimensional modeling method, is characterized in that, comprising:
Design cavern axis, and obtain cavern's axis characteristic, wherein, described cavern axis is for describing the space trend of cavern, described cavern axis is provided with multiple flex point, and described cavern axis characteristic comprises the coordinate of described flex point in the space coordinates of Project Areas and the line segment attribute of described flex point place line segment;
Setting cavern sectional configurations characteristic parameter, described cavern sectional configurations characteristic parameter comprises pile No., section identification code and section attribute, described section identification code is for inquiring about the node coordinate of composition section, and described section attribute is the continuity of last hole section or the starting point of next hole section for identifying section;
Utilize described cavern axis characteristic and described cavern sectional configurations characteristic parameter, dynamic construction includes cavern's section expanded configuration parameter of described cavern axis characteristic;
According to described expanded configuration parameter, generate underground chamber three-dimensional model.
A kind of underground chamber three-dimensional modeling apparatus, comprising:
First acquisition module, for obtaining cavern's axis characteristic, wherein, described cavern axis is for describing the space trend of cavern, described cavern axis is provided with multiple flex point, and described cavern axis characteristic comprises the coordinate of described flex point in the space coordinates of Project Areas and the line segment attribute of described flex point place line segment;
Second acquisition module, for obtaining cavern's sectional configurations characteristic parameter, described cavern sectional configurations characteristic parameter comprises pile No., section identification code and section attribute, described section identification code is for inquiring about the node coordinate of composition section, and described section attribute is the continuity of last hole section or the starting point of next hole section for identifying section;
Data processing module, for utilizing described cavern axis characteristic and described cavern sectional configurations characteristic parameter, dynamic construction includes cavern's section expanded configuration parameter of described cavern axis characteristic;
Graph generation module, for according to described expanded configuration parameter, generates underground chamber three-dimensional model.
The invention provides a kind of underground chamber three-dimensional modeling method and device, by design cavern axis, and obtain cavern's axis characteristic, setting cavern sectional configurations characteristic parameter, utilize described cavern axis characteristic and described cavern sectional configurations characteristic parameter, dynamic construction includes cavern's section expanded configuration parameter of described cavern axis characteristic, according to described expanded configuration parameter, generates underground chamber three-dimensional model.Cavern's Structural abstraction is cavern's axis and cavern's sectional configurations two parameters by the present invention, reduces and stores data volume and operand, can generate the 3 D graphic data of cavern's structure according to the Data Dynamic of user's input.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, also can obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the floor plan schematic diagram of embodiment of the present invention underground chamber;
The process flow diagram of a kind of underground chamber three-dimensional modeling method that Fig. 2 provides for the embodiment of the present invention;
The structural representation of a kind of cavern section that Fig. 3 provides for the embodiment of the present invention;
The three-dimensional modeling schematic diagram of the underground chamber that Fig. 4 generates for a kind of underground chamber three-dimensional modeling method provided according to the embodiment of the present invention;
The three-dimensional modeling schematic diagram of certain underground storage that Fig. 5 provides for the embodiment of the present invention;
The structural representation of a kind of underground chamber three-dimensional modeling apparatus that Fig. 6 provides for the embodiment of the present invention.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
As the floor plan schematic diagram that Fig. 1 is the underground chamber of the embodiment of the present invention, this underground chamber comprise parking area and with other cavern's intersection, cavern's axis 110 is shown in dotted line, cavern's section 120 and cavern's section 130 are the section of two diverse locations, there is multiple types seemingly in underground chamber, need to set according to the geologic survey situation of reality, complicated underground hole group has (the construction hole, cavern of difference in functionality, water curtain hole, contact hole, bank hole, diversion tunnel, diversion tunnel, underground power house, main transformer hole, tailrace tunnel etc.) composition, a cavern is then made up of several hole sections, as diversion tunnel, be exactly by entrance hole section, diversion tunnel section, arc hole section and tailrace tunnel section composition, the shape in the cross section, cavern of each hole section, sizes etc. are different.Common cavern's cross sectional shape mainly contains rectangle, circle and complex shape.Below how to generate the three-dimensional model of underground cavern as shown in Figure 1, introduce a kind of underground chamber three-dimensional modeling method, comprising:
Step 201, design cavern axis, and obtain cavern's axis characteristic;
Wherein, described cavern axis is for describing the space trend of cavern, described cavern axis is provided with multiple flex point (as shown in " X " mark in Fig. 1), described cavern axis characteristic comprises the coordinate of space coordinates (earth right angle coordinate system or region rectangular coordinate system) of described flex point in Project Areas and the line segment attribute of described flex point place line segment, the starting point of line segment attribute kit vinculum section, is positioned at straight-line segment and is still positioned on the segment of curve that is made up of multiple flex point;
Cavern's axis characteristic is one group of volume coordinate put in order and line segment attribute, as shown in table 1.Calculate the line segment length between adjacent comers along cavern's axis segmentation foundation line segment type, and extend forward with axis each flex point place cumulative length that adds up out successively, i.e. the mileage pile No. (abbreviation pile No.) of cavern, as the local coordinate system of this cavern.Cavern's local coordinate is one-dimensional coordinate system, and the starting point of axis is generally 0 pile No., also can be any pile No. that user specifies.
Table 1
Step 202, setting cavern sectional configurations characteristic parameter;
Described cavern sectional configurations characteristic parameter adopts cavern's local coordinate system, only configure profile recognition code and section attribute in section change place (comprising cavern's two-end-point), as shown in the horizontal line (cavern's section 120 and cavern's section 130) perpendicular to hole axis in Fig. 1.Such as: certain hole section is progressively transitioned into B section from A section, only configure A and B section, if or cavern certain pile No. is crossing with another cavern and infall section there occurs change, also to configure corresponding section.Cavern's sectional configurations characteristic parameter is one group of pile No. put in order and profile recognition code and section attribute, as table 29 the sectional configurations characteristic parameters that are access tunnel shown in Fig. 1.Described section identification code is for inquiring about the node coordinate of composition section, and described section attribute is the continuity of last hole section or the starting point of next hole section for identifying section.
Table 2
Described section node coordinate is the local coordinate along the borderline number of Node of cavern's section.Node is only arranged in the flex point of the line segment of composition section, suitable node should be arranged for circular arc line segment, to use straight-line segment approximating curve, be illustrated in figure 3 the structural representation of a kind of cavern section, wherein black color dots is node, and the node coordinate of Tu Zhong cavern section can be expressed as
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 its outer normal direction is no longer zero, if section identification code is with reverse mark, the outer normal coordinate figure of each node is multiplied by-1 respectively.
Step 203, utilize described cavern axis characteristic and described cavern sectional configurations characteristic parameter, dynamic construction includes cavern's section expanded configuration parameter of described cavern axis characteristic;
Wherein, step 203 specifically can be adopted in two ways, as follows:
(1) take pile No. as coordinate system, described cavern axis characteristic is inserted among described cavern sectional configurations characteristic parameter, to build the cavern's section expanded configuration parameter including described cavern axis characteristic, wherein, the section at flex point place is determined by adjacent sections;
(2) described cavern axis characteristic and described cavern sectional configurations characteristic parameter are inherited, map directly in public sheet, by pile No. order from described public sheet, to build the cavern's section expanded configuration parameter including described cavern axis characteristic.
Step 204, according to described expanded configuration parameter, generate underground chamber three-dimensional model.
Wherein, step 204 specifically can comprise:
Step 204-1, according to described section identification code, inquiry composition section node coordinate;
Step 204-2, described section node coordinate is inserted on the axis of expanded configuration parameter, to generate the 3 D graphic data of cavern's structure;
Wherein, described 3 D graphic data comprises apex coordinate and unit topology;
Step 204-3, according to described 3 D graphic data, generate underground chamber three-dimensional model.
For the difference of section present position, cavern, step 204-2 needs point following three kinds of situations to process, as follows:
The first situation: when cavern's section is positioned at cavern's starting point, using the dimensional orientation of the cavern's axis after cavern's starting point as the outer normal vector of section, rotational transform is carried out to node coordinate on section, then move on cavern's axis, again successively stored in apex coordinate array, to generate the 3 D graphic data of cavern's structure;
The second situation: time before cavern's section is positioned at cavern's end, calculate the dimensional orientation vector of the forward and backward two sections of axis of collocation point successively, outer normal vector and the structure amplification coefficient of section is calculated with these two space vectors, convergent-divergent and rotational transform are carried out to the node data on section, then move on axis, then be attached to apex coordinate array successively; When cavern's section is cavern's continuity point, according to the node of last section and this section stored in the serial number of apex coordinate array, build the unit topology of this hole section, stored in unit topology array;
The third situation: when cavern's section is positioned at cavern's end, the extended line crossing end points using the dimensional orientation of the cavern's axis before cavern's end carries out rotational transform as the outer normal vector of section to node coordinate on section, then move on axis, be attached to apex coordinate array successively again, and according to the node of last section and this section serial number stored in apex coordinate array, build the unit topology of this hole section, stored in unit topology array.
Carry out three-dimensional modeling according to a kind of underground chamber three-dimensional modeling method of the embodiment of the present invention, the three-dimensional picture of the construction tunnel shown in Fig. 1 of generation as shown in Figure 4.
The invention provides a kind of underground chamber three-dimensional modeling method and device, by design cavern axis, and obtain cavern's axis characteristic, setting cavern sectional configurations characteristic parameter, utilize described cavern axis characteristic and described cavern sectional configurations characteristic parameter, dynamic construction includes cavern's section expanded configuration parameter of described cavern axis characteristic, according to described expanded configuration parameter, generates underground chamber three-dimensional model.Cavern's Structural abstraction is cavern's axis and cavern's sectional configurations two parameters by the present invention, reduces and stores data volume and operand, can generate the 3 D graphic data of cavern's structure according to the Data Dynamic of user's input.
As under figure below somewhere, bank is example, have 8 class caverns and count 47 caverns.The hole axis flex point 202 that the present invention is abstract, sectional configurations 251 point, 36 sections, 2892, the summit of the three-dimensional picture of generation, unit 2080.Carry out three-dimensional modeling by the invention provides a kind of underground chamber three-dimensional modeling method, due to without the need to storing 3 D graphic data, database space have compressed more than ten doubly, and is convenient to amendment, for the Parametric designing of 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 Figure 6, comprising:
First acquisition module 610, for obtaining cavern's axis characteristic, wherein, described cavern axis is for describing the space trend of cavern, described cavern axis is provided with multiple flex point, and described cavern axis characteristic comprises the coordinate of described flex point in the space coordinates of Project Areas and the line segment attribute of described flex point place line segment;
Second acquisition module 620, for obtaining cavern's sectional configurations characteristic parameter, described cavern sectional configurations characteristic parameter comprises pile No., section identification code and section attribute, described section identification code is for inquiring about the node coordinate of composition section, and described section attribute is the continuity of last hole section or the starting point of next hole section for identifying section;
Data processing module 630, for utilizing described cavern axis characteristic and described cavern sectional configurations characteristic parameter, dynamic construction includes cavern's section expanded configuration parameter of described cavern axis characteristic;
Graph generation module 640, for according to described expanded configuration parameter, generates underground chamber three-dimensional model.
Wherein, described graph generation module 640, comprising:
Query unit 641, for according to described section identification code, inquires about the node coordinate of composition section;
Processing unit 642, for described node coordinate being inserted into the axis of expanded configuration parameter, to generate the 3 D graphic data of cavern's structure, described 3 D graphic data comprises apex coordinate and unit topology;
Generation unit 643, according to described 3 D graphic data, generates underground chamber three-dimensional model.
Described data processing module 630, comprising:
Data processing unit 631, for taking pile No. as coordinate system, is inserted into described cavern axis characteristic among described cavern sectional configurations characteristic parameter; Or, for described cavern axis characteristic and described cavern sectional configurations characteristic parameter are inherited, map directly in public sheet;
Parameter construction unit 632, for building the cavern's section expanded configuration parameter including described cavern axis characteristic, wherein, the section at flex point place is determined by adjacent sections; Or, for pressing pile No. order from described public sheet, build the cavern's section expanded configuration parameter including described cavern axis characteristic.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required hardware platform by software and realize, can certainly all be implemented by hardware, but in a lot of situation, the former is better embodiment.Based on such understanding, what technical scheme of the present invention contributed to background technology can embody with the form of software product in whole or in part, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
Above to invention has been detailed introduction, applying specific case herein and setting forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. a underground chamber three-dimensional modeling method, is characterized in that, comprising:
Design cavern axis, and obtain cavern's axis characteristic, wherein, described cavern axis is for describing the space trend of cavern, described cavern axis is provided with multiple flex point, and described cavern axis characteristic comprises the coordinate of described flex point in the space coordinates of Project Areas and the line segment attribute of described flex point place line segment;
Setting cavern sectional configurations characteristic parameter, described cavern sectional configurations characteristic parameter comprises pile No., section identification code and section attribute, described section identification code is for inquiring about the node coordinate of composition section, and described section attribute is the continuity of last hole section or the starting point of next hole section for identifying section;
Utilize described cavern axis characteristic and described cavern sectional configurations characteristic parameter, dynamic construction includes cavern's section expanded configuration parameter of described cavern axis characteristic;
According to described expanded configuration parameter, generate underground chamber three-dimensional model.
2. underground chamber three-dimensional modeling method according to claim 1, is characterized in that, described according to described expanded configuration parameter, generates underground chamber three-dimensional model, comprising:
According to described section identification code, the node coordinate of inquiry composition section;
Be inserted into by described node coordinate on the axis of expanded configuration parameter, to generate the 3 D graphic data of cavern's structure, described 3 D graphic data comprises apex coordinate and unit topology;
According to described 3 D graphic data, generate underground chamber three-dimensional model.
3. underground chamber three-dimensional modeling method according to claim 1, it is characterized in that, describedly utilize described cavern axis characteristic and described cavern sectional configurations characteristic parameter, dynamic construction includes cavern's section expanded configuration parameter of described cavern axis characteristic, comprising:
Take pile No. as coordinate system, described cavern axis characteristic is inserted among described cavern sectional configurations characteristic parameter, to build the cavern's section expanded configuration parameter including described cavern axis characteristic, wherein, the section at flex point place is determined by adjacent sections; Or,
Described cavern axis characteristic and described cavern sectional configurations characteristic parameter are inherited, maps directly in public sheet, by pile No. order from described public sheet, build the cavern's section expanded configuration parameter including described cavern axis characteristic.
4. underground chamber three-dimensional modeling method according to claim 2, is characterized in that, on the described axis described node coordinate being inserted into expanded configuration parameter, to generate the 3 D graphic data of cavern's structure, comprising:
When cavern's section is positioned at cavern's starting point, using the dimensional orientation of the cavern's axis after cavern's starting point as the outer normal vector of section, rotational transform is carried out to node coordinate on section, then move on cavern's axis, again successively stored in apex coordinate array, to generate the 3 D graphic data of cavern's structure;
Time before cavern's section is positioned at cavern's end, calculate the dimensional orientation vector of the forward and backward two sections of axis of collocation point successively, outer normal vector and the structure amplification coefficient of section is calculated with these two space vectors, convergent-divergent and rotational transform are carried out to the node data on section, then move on axis, then be attached to apex coordinate array successively;
When cavern's section is cavern's continuity point, according to the node of last section and this section stored in the serial number of apex coordinate array, build the unit topology of this hole section, stored in unit topology array;
When cavern's section is positioned at cavern's end, the extended line crossing end points using the dimensional orientation of the cavern's axis before cavern's end carries out rotational transform as the outer normal vector of section to node coordinate on section, then move on axis, be attached to apex coordinate array successively again, and according to the node of last section and this section serial number stored in apex coordinate array, build the unit topology of this hole section, stored in unit topology array.
5. underground chamber three-dimensional modeling method as claimed in any of claims 1 to 4, is characterized in that, also comprise: if section identification code is with reverse mark, and the outer normal coordinate figure of each node is multiplied by-1 respectively.
6. a underground chamber three-dimensional modeling apparatus, is characterized in that, comprising:
First acquisition module, for obtaining cavern's axis characteristic, wherein, described cavern axis is for describing the space trend of cavern, described cavern axis is provided with multiple flex point, and described cavern axis characteristic comprises the coordinate of described flex point in the space coordinates of Project Areas and the line segment attribute of described flex point place line segment;
Second acquisition module, for obtaining cavern's sectional configurations characteristic parameter, described cavern sectional configurations characteristic parameter comprises pile No., section identification code and section attribute, described section identification code is for inquiring about the node coordinate of composition section, and described section attribute is the continuity of last hole section or the starting point of next hole section for identifying section;
Data processing module, for utilizing described cavern axis characteristic and described cavern sectional configurations characteristic parameter, dynamic construction includes cavern's section expanded configuration parameter of described cavern axis characteristic;
Graph generation module, for according to described expanded configuration parameter, generates underground chamber three-dimensional model.
7. underground chamber three-dimensional modeling apparatus according to claim 6, is characterized in that, described graph generation module, comprising:
Query unit, for according to described section identification code, inquires about the node coordinate of composition section;
Processing unit, for described node coordinate being inserted into the axis of expanded configuration parameter, to generate the 3 D graphic data of cavern's structure, described 3 D graphic data comprises apex coordinate and unit topology;
Generation unit, according to described 3 D graphic data, generates underground chamber three-dimensional model.
8. underground chamber three-dimensional modeling apparatus according to claim 6, is characterized in that, described data processing module, comprising:
Data processing unit, for taking pile No. as coordinate system, is inserted into described cavern axis characteristic among described cavern sectional configurations characteristic parameter; Or, for described cavern axis characteristic and described cavern sectional configurations characteristic parameter are inherited, map directly in public sheet;
Parameter construction unit, for building the cavern's section expanded configuration parameter including described cavern axis characteristic, wherein, the section at flex point place is determined by adjacent sections; Or, for pressing pile No. order from described public sheet, build the cavern's section expanded configuration parameter including described cavern axis characteristic.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109558630A (en) * | 2018-10-22 | 2019-04-02 | 杭州叙简科技股份有限公司 | A kind of three-dimensional method for automatic modeling suitable for the underground space |
Citations (2)
| 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 |
-
2015
- 2015-06-17 CN CN201510337059.4A patent/CN104933763B/en active Active
Patent Citations (2)
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 王帅: ""鲁地拉地下洞室群施工动态可视化仿真与优化研究"", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109558630A (en) * | 2018-10-22 | 2019-04-02 | 杭州叙简科技股份有限公司 | A kind of three-dimensional method for automatic modeling suitable for the underground space |
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