CN106600692B - A kind of geological interface model building method extended based on trace - Google Patents
A kind of geological interface model building method extended based on trace Download PDFInfo
- Publication number
- CN106600692B CN106600692B CN201611116069.6A CN201611116069A CN106600692B CN 106600692 B CN106600692 B CN 106600692B CN 201611116069 A CN201611116069 A CN 201611116069A CN 106600692 B CN106600692 B CN 106600692B
- Authority
- CN
- China
- Prior art keywords
- geological interface
- geological
- vector
- interface
- angle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/05—Geographic models
Abstract
The invention belongs to three-dimensional geological modeling technical field more particularly to a kind of geological interface model building method extended based on trace, includes the following steps: S1, calculates the natural earth's surface at geological interface exposure position or the outer normal vector of excavation faceS2, desired geological model building direction is specified in the horizontal planeS3, the expectation extending direction vector for calculating geological interfaceS4, the geological interface model for constructing specified development length L.Geological interface model building method of the invention can calculate the extension vector for determining geological interface with vector according to geological interface occurrence and free face direction；The geological interface model for meeting the particular requirements such as three-dimensional modeling, project analysis can be easily constructed according to exposure trace of the geological interface on free face and extension vector.
Description
Technical field
The invention belongs to three-dimensional geological modeling technical field more particularly to a kind of geological interface models extended based on trace
Construction method.
Background technique
Geological interface building is one of important process content of three-dimensional geological modeling, and general 3 d modeling software both provides
The method of a variety of building geological interfaces, such as the common three-dimensional modeling platform in geology field --- GOCAD software provides for: (1)
Point+occurrence；(2) point set+boundary line；(3) parallel lines；(4) closed curve；(5) a variety of construction methods such as curve+extension vector,
Other 3 d modeling softwares, which also both provide greatly similar approach, can be used for constructing geological interface.
In geological work, the earth's surface of all kinds of geological interfaces or the exposure trace in excavation face are often obtained, and corresponding
The occurrence information at position, according to exposure trace and occurrence information, application method (5) curve+extension vector can construct institute
The geological interface model needed.
Exposure trace in application method (5) curve+extension vector building geological interface model, in earth's surface or excavation face
It can be obtained by geological record, and extending vector can not then directly give；If directlying adopt structural plane occurrence, it is such as inclined to direction
Deng the geological interface model of building is often possible in the range not required for project analysis, it is also possible to construct unreasonable
Geological interface, especially when tendency in earth's surface or excavation face or when low-angle intersects, problem especially protrude.
Based on curve and extend the geological interface construction method of vector using existing, the exposure mark in earth's surface or excavation face
Line can be obtained by geological record.But it there is no method that is scientific, easily determining extension vector at present.In 3 d modeling software
In, it can not directly specify and to extend vector, including direction and length.If directlying adopt the occurrence of geological interface, it is such as inclined to direction,
Only when the tendency of geological interface intersects with earth's surface or excavation face close to orthogonal or wide-angle, it is likely to obtain relatively reasonable
Geological interface model, such as the geological interface model close to rectangle；Otherwise special-shaped model may be constructed, such as the four of acute angle very little
Side shape is unfavorable for geological analysis or model application, such as the two dimensional cross-section cutting based on threedimensional model.In addition, directlying adopt geology
The occurrence at interface constructs model, can only obtain the geological interface model of specific direction, is such as inclined to, and is directed to the work of different purposes
Journey analysis model, range often different from, the region paid close attention to is also different, therefore, directlys adopt occurrence building
Geological interface model is just difficult to meet the engineering research needs of different analysis purposes.
Summary of the invention
The technical problems to be solved by the present invention are: provide it is a kind of can accurately determine extend vector based on trace extend
Geological interface model building method.
The present invention solves a kind of geological interface model building method extended based on trace, packet used by its technical problem
Include following steps
The outer normal vector of S1, the natural earth's surface for calculating geological interface exposure position or excavation face
Wherein, α0It is the tendency at geological interface trace exposure position, β0It is the inclination angle at geological interface trace exposure position；
S2, desired geological model building direction is specified in the horizontal plane
Wherein, α1ForAzimuth, representative be rotated clockwise to from direct northThe angle in direction；
S3, the expectation extending direction vector for calculating geological interface
When the angle of inclination beta of geological interface2Meet 0 ° < β of inequality2At < 90 °, it is parallel toVertical guide and geological interface friendship
Line is exactly desired extending direction vector or opposite direction vector, passes through the difference of geological interface and the normal vector of the vertical guide at this time
Multiply calculating expectation extending direction vector
When the angle of inclination beta of geological interface2When=0, it is expected that extending direction vectorWithUnanimously, i.e.,
When the angle of inclination beta of geological interface2At=90 °, it is expected that extending direction vectorWith geological interface move towards direction it is parallel and
It is directed toward in geologic body；
S4, the geological interface model for constructing specified development length L.
Further, desired geological model constructs direction in above-mentioned steps S2It can use natural earth's surface line or excavation
The opposite direction vector of the exterior normal of line, depending on can also being needed according to three-dimensional modeling or project analysis.
Further, in above-mentioned steps S3, when the angle of inclination beta of geological interface2Meet 0 ° < β of inequality2At < 90 °, geology circle
The expectation extending direction vector in faceCalculating process it is as follows
Determine the normal vector of geological interface
Wherein, α2For the tendency of geological interface, β2For the inclination angle of geological interface；
It takesVector after rotating clockwise 90 ° in the horizontal planeAs parallelVertical guide normal vector
Wherein, α3ForAzimuth, α3=α1+90°；
Multiply to calculate by vector difference and is parallel to expectation modeling directionVertical guide and geological interface intersection direction
Vector
Wherein, n41=sin α1cosβ2, n42=cos α1cosβ2, n43=-sin α1sinα2sinβ2-cosα1cosα2sin
β2；
Determine desired extending directionJudgementWhether it is directed toward in geologic body, ifWithAngle be greater than 90 °, thenIt is directed toward in geologic body, is otherwise directed toward outside geologic body, is inverted,WithAngle be represented by
Work asWhen,WhenWhen,
Further, in above-mentioned steps S3, when the angle of inclination beta of geological interface2At=90 °, the expectation of geological interface extends
Direction vectorCalculating process it is as follows
According to the tendency α of geological interface2Calculating is parallel to the vector that geological interface moves towards direction
Determine desired extending directionJudgementWhether it is directed toward in geologic body, ifWithAngle be greater than 90 °, thenIt is directed toward in geologic body, is otherwise directed toward outside geologic body, is inverted,WithAngle be represented by
Work asWhen,WhenWhen,
Further, in above-mentioned steps S4, for the interface of development length L, according to exposure in earth's surface or excavation face
Trace and the extension vector determined
Geological interface model is constructed with trace+extension vector approach.
The beneficial effects of the present invention are:
(1) solve the problems, such as that the space amount of extending to is difficult to determining when three-dimensional modeling --- the extension vector of three-dimensional space is turned
The direction given problem in two-dimensional surface is turned to, smoothly solves the problems, such as that space vector is difficult to rationally specify；
(2) the geological interface model construction of assigned direction is solved the problems, such as --- the geological analysis model of different purposes, it is required
Modeling range may difference, this patent realize the geological interface model that direction is formulated in building, facilitate geological analysis；
(3) extending to for geological interface can be determined with vector calculating according to geological interface occurrence and free face direction
Amount；It can easily construct according to exposure trace of the geological interface on free face and extension vector and meet three-dimensional modeling, work
The geological interface model of the particular requirements such as journey analysis.
Detailed description of the invention
Fig. 1 is geological model building directional diagram in the horizontal plane；
Fig. 2 is the normal direction spirogram of geological interface；
Fig. 3 is the normal direction spirogram of vertical guide；
Components, position and number in figure:
B --- geological interface；
The intersection of ab --- geological interface and horizontal plane, i.e. strike line；
The line of dip of od --- geological interface is located in geological interface and perpendicular to strike line ab；
Oc --- the projection of line of dip od in the horizontal plane；
α2--- the angle of oc is rotated clockwise in the tendency of geological interface, i.e. horizontal plane from direct north；
β2--- the inclination angle of geological interface, i.e. line of dip od and its angle for projecting oc in the horizontal plane；
--- geological interface be directed toward face short side to normal vector.
Specific embodiment
The present invention will be further described With reference to embodiment.
The present invention analyzing on the basis of facing short side to relativeness between, geological interface occurrence of earth's surface or excavation face,
Determine that the geological interface for meeting the particular requirements such as three-dimensional modeling and project analysis extends vector by vector operation, to realize base
The purpose of reasonable geology INTERFACE MODEL is constructed in trace+extension vector method.
As shown in Figure 1 to Figure 3, a kind of geological interface model building method extended based on trace of the invention, including such as
Lower step
The outer normal vector of S1, the natural earth's surface for calculating geological interface B exposure position or excavation faceGeological interface B mark
The natural earth's surface or excavation face outer normal vector at line exposure positionα can be inclined to according to it0, angle of inclination beta0It determines:
Wherein, α0It is the tendency at geological interface B trace exposure position, β0It is the inclination angle at geological interface B trace exposure position；
S2, desired geological model building direction is specified in the horizontal planeAccording to three-dimensional modeling or project analysis demand,
Determine that geological model in the horizontal plane constructs directionUse azimuth angle alpha1It indicates, it is specific as shown in Figure 1, general can use natively
The opposite direction vector of the exterior normal of table line or excavation line, can also be arbitrarily selected according to three-dimensional modeling or project analysis needs:
Wherein, α1ForAzimuth, representative be rotated clockwise to from direct northThe angle in direction；
S3, the expectation extending direction vector for calculating geological interface BThree kinds of situations are divided to be calculated:
(1) when the angle of inclination beta of geological interface B2Meet 0 ° < β of inequality2At < 90 °, it is parallel toVertical guide and geological interface
The intersection of B is exactly desired extending direction vector (being directed toward in geologic body) or opposite direction vector (being directed toward outside geologic body), is led at this time
The difference for crossing geological interface B and the normal vector of the vertical guide multiplies to calculate desired extending direction vector
(2) when the angle of inclination beta of geological interface B2When=0, it is expected that extending direction vectorWithUnanimously, i.e.,
(3) when the angle of inclination beta of geological interface B2At=90 °, it is expected that extending direction vectorDirection is moved towards with geological interface B
In parallel and direction geologic body；
S4, the geological interface model for constructing specified development length L.
Specifically, in the step S3 of above-mentioned specific embodiment, situation, the i.e. angle of inclination beta as geological interface B are planted for (1)2
Meet 0 ° < β of inequality2At < 90 °, the expectation extending direction vector of geological interface BCalculating process it is as follows:
Determine the normal vector of geological interface B
As shown in Figure 2, whereinFor geological interface B be directed toward face short side to normal direction；α2For the tendency of geological interface B, i.e.,
The angle of oc is rotated clockwise in horizontal plane from direct north；β2For the inclination angle of geological interface B, i.e. line of dip od and its in water
The angle of projection oc in plane；Ab is the intersection of geological interface B and horizontal plane, i.e. strike line；Od is the tendency of geological interface B
Line is located in geological interface B and perpendicular to strike line ab；Oc is the projection of line of dip od in the horizontal plane；
As shown in figure 3, takingVector after rotating clockwise 90 ° in the horizontal planeNormal vector as vertical guide:
Wherein, α3ForAzimuth, α3=α1+90°；
Multiply to calculate by vector difference and is parallel to expectation modeling directionVertical guide and geological interface B intersection direction
Vector
Wherein, n41=sin α1 cosβ2, n42=cos α1 cosβ2, n43=-sin α1 sinα2 sinβ2-cosα1 cosα2
sinβ2；
Then desired extending direction is determinedJudgementWhether it is directed toward in geologic body, ifWithAngle be greater than
90 °, thenIt is directed toward in geologic body, is otherwise directed toward outside geologic body, is inverted,WithAngle may be expressed as:
Work asWhen,WhenWhen,
Specifically, planting situation, i.e. inclining as geological interface B for (3) in the step S3 of above-mentioned specific embodiment
Angle beta2At=90 °, the expectation extending direction vector of geological interface BCalculating process it is as follows
According to the tendency α of geological interface B2Calculating is parallel to the vector that geological interface B moves towards direction
Then desired extending direction is determinedJudgementWhether it is directed toward in geologic body, ifWithAngle be greater than
90 °, thenIt is directed toward in geologic body, is otherwise directed toward outside geologic body, is inverted,WithAngle be represented by
Work asWhen,WhenWhen,
Specifically, for the interface of development length L, according to earth's surface or being opened in the step S4 of above-mentioned specific embodiment
The trace of exposure and the extension vector determined on digging face
Then geological interface model is constructed with trace+extension vector approach.
Above-mentioned specific embodiment consideration bed boundary occurrence determines extension vector with earth's surface or excavation face orientative feature,
Prolonging for geological interface can be determined with vector calculating according to geological interface occurrence and free face direction or designated analysis direction
The amount of stretching to；Then it is three-dimensional easily to construct satisfaction for the exposure trace according to geological interface on free face and extension vector
The geological interface model of the particular requirements such as modeling, project analysis.
Claims (4)
1. a kind of geological interface model building method extended based on trace, it is characterised in that: include the following steps
The outer normal vector of S1, the natural earth's surface for calculating geological interface exposure position or excavation face
Wherein, α0It is the tendency at geological interface trace exposure position, β0It is the inclination angle at geological interface trace exposure position；
S2, desired geological model building direction is specified in the horizontal plane
Wherein, α1ForAzimuth, representative be rotated clockwise to from direct northThe angle in direction；
S3, the expectation extending direction vector for calculating geological interface (B)
When the angle of inclination beta of geological interface (B)2Meet 0 ° < β of inequality2At < 90 °, it is parallel toVertical guide and geological interface (B)
Intersection is exactly desired extending direction vector or opposite direction vector, passes through the normal vector and the vertical of geological interface (B) at this time
The difference of the normal vector in face multiplies calculating expectation extending direction vector
When the angle of inclination beta of geological interface (B)2When=0, it is expected that extending direction vectorWithUnanimously, i.e.,
When the angle of inclination beta of geological interface (B)2At=90 °, it is expected that extending direction vectorWith geological interface (B) to move towards direction parallel
And it is directed toward in geologic body, the expectation extending direction vector of geological interface (B)Calculating process it is as follows
According to the tendency α of geological interface (B)2Calculating is parallel to the vector that geological interface (B) moves towards direction
Determine desired extending directionJudgementWhether it is directed toward in geologic body, ifWithAngle be greater than 90 °, thenRefer to
Into geologic body, otherwise it is directed toward outside geologic body, is inverted,WithAngle be represented by
Work asWhen,WhenWhen,
S4, the geological interface model for constructing specified development length L.
2. a kind of geological interface model building method extended based on trace according to claim 1, it is characterised in that: step
In rapid S2, desired geological model constructs directionIt can use the opposite direction vector of the exterior normal of natural earth's surface line or excavation line,
Depending on being needed according to three-dimensional modeling or project analysis.
3. a kind of geological interface model building method extended based on trace according to claim 1, it is characterised in that: step
In rapid S3, when the angle of inclination beta of geological interface (B)2Meet 0 ° < β of inequality2At < 90 °, the expectation extending direction of geological interface (B) to
AmountCalculating process it is as follows
Determine the normal vector of geological interface (B)
Wherein, α2For the tendency of geological interface (B), β2For the inclination angle of geological interface (B)；
It takesVector after rotating clockwise 90 ° in the horizontal planeAs parallelVertical guide normal vector
Wherein, α3ForAzimuth, α3=α1+90°；
Multiply to calculate by vector difference and is parallel to expectation modeling directionVertical guide and geological interface (B) intersection direction to
Amount
Wherein, n41=sin α1cosβ2, n42=cos α1cosβ2, n43=-sin α1sinα2sinβ2-cosα1cosα2sinβ2；
Determine desired extending directionJudgementWhether it is directed toward in geologic body, ifWithAngle be greater than 90 °, thenRefer to
Into geologic body, otherwise it is directed toward outside geologic body, is inverted,WithAngle be represented by
Work asWhen,WhenWhen,
4. a kind of geological interface model building method extended based on trace according to claim 1, it is characterised in that: step
In rapid S4, for the interface of development length L, according to the trace of exposure in earth's surface or excavation face and the extension vector determined
Geological interface model is constructed with trace+extension vector approach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611116069.6A CN106600692B (en) | 2016-12-07 | 2016-12-07 | A kind of geological interface model building method extended based on trace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611116069.6A CN106600692B (en) | 2016-12-07 | 2016-12-07 | A kind of geological interface model building method extended based on trace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106600692A CN106600692A (en) | 2017-04-26 |
| CN106600692B true CN106600692B (en) | 2019-08-13 |
Family
ID=58595297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611116069.6A Active CN106600692B (en) | 2016-12-07 | 2016-12-07 | A kind of geological interface model building method extended based on trace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106600692B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8255792B2 (en) * | 2000-10-31 | 2012-08-28 | Cisco Technology, Inc. | Techniques for binding scalable vector graphics to associated information |
| CN102750739A (en) * | 2012-06-06 | 2012-10-24 | 中国水电顾问集团成都勘测设计研究院 | Construction method of three-dimensional geologic model |
-
2016
- 2016-12-07 CN CN201611116069.6A patent/CN106600692B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8255792B2 (en) * | 2000-10-31 | 2012-08-28 | Cisco Technology, Inc. | Techniques for binding scalable vector graphics to associated information |
| CN102750739A (en) * | 2012-06-06 | 2012-10-24 | 中国水电顾问集团成都勘测设计研究院 | Construction method of three-dimensional geologic model |
Non-Patent Citations (2)
| Title |
|---|
| 基于AutoCAD图形的三维地表地质建模方法研究;张洁;《中国优秀硕士学位论文全文数据库 信息科技辑》;20071215;I138-871 |
| 复杂地层体三维建模算法研究;李昌领;《中国博士学位论文全文数据库 信息科技辑》;20150415;I138-57 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106600692A (en) | 2017-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ringrose et al. | Reservoir model design | |
| CN104809266B (en) | A kind of accurate Forecasting Methodology of working face ocurrence of coal seam situation based on SPL | |
| CN101906965A (en) | Technology for identifying and analyzing stratums in VR (Virtual Reality) geological environment | |
| CN104318618B (en) | Three-dimensional sectioning method of generalized tri-prism spatial data model | |
| CN105719346B (en) | Mountainous region three-dimensional geological object model method and synthetically learn information demonstration system | |
| CN104299270A (en) | Method for establishing three-dimensional geologic model based on database | |
| CN104111473B (en) | Use the mixing stratigraphic layering of pseudo-wheeler space | |
| CN105549084A (en) | Method and system for building three-dimensional high-precision velocity model | |
| CN108256130B (en) | Geological drilling space trajectory restoration method | |
| Albert et al. | Karst porosity estimations from archive cave surveys-studies in the Buda Thermal Karst System (Hungary) | |
| CN106600692B (en) | A kind of geological interface model building method extended based on trace | |
| Blatnik et al. | Karstology in the classical karst | |
| CN106920275B (en) | Complex attribute boundary three-dimensional vector iteration method and application system | |
| CN106407500B (en) | A kind of preparation method and device of vector quantization section | |
| CN107884820A (en) | A kind of quick accurate method for carrying out substratum construction with sand body micro-structure into figure | |
| Zhang et al. | Method and application of urban 3D rapid modeling of geology based on CAD borehole logs | |
| Ballesteros et al. | Historical underground quarrying: A multidisciplinary research in the Caumont quarry (c. 13th–19th centuries), France | |
| Cookman et al. | STORMSED1. 0: hydrodynamics and sediment transport in a 2-D, steady-state, wind-and wave-driven coastal circulation model | |
| CN106504319B (en) | Reservoir Three Dimensional Contrast map generalization method and device between well | |
| CN109389515B (en) | Method and system for calculating stratum attitude according to buried depth of actual drilling stratum interface | |
| Knez et al. | Karstology in the Classical Karst | |
| CN107146282B (en) | Based on the karst threedimensional model optimization method than corrosion degree | |
| CN105741329A (en) | Borehole-wall image based adjacent drill hole structural surface connectivity analysis method | |
| CN111951394A (en) | Fault structure unit three-dimensional model construction method and device based on geological map | |
| CN110363850A (en) | A kind of three-dimensional formation information visualization methods based on mobile terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |