CN108256218A - A kind of subterranean communication tunnel fine modeling method based on actual measurement stringcourse data - Google Patents
A kind of subterranean communication tunnel fine modeling method based on actual measurement stringcourse data Download PDFInfo
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Abstract
The invention discloses a kind of subterranean communication tunnel fine modeling methods based on actual measurement stringcourse data, include the following steps：Measure the three-dimensional coordinate put on top, base plate center line and the both sides stringcourse of mine working；Establish the closed bottom edges of boards boundary line in tunnel；Node path network topological relation figure is established, extracts the communication path in topological relation figure, local section contour line is constructed between communication path and bottom plate boundary line；The space lattice between adjacent contour line is extracted, and data encryption is carried out to space lattice, adds transition wheel profile, curved surface trigonometric ratio is carried out to space lattice；Closed bottom edges of boards boundary line is decomposed into the polygon of multiple dullnesses and trigonometric ratio is carried out to each of which polygon；Merge all local triangle models, the underground passage physical model connected.The present invention locality descends lane space data using actual measurement stringcourse method, reduces the workload of survey crew, tunnel curved surface can be fitted well with reference to the parameter of tunnel section design.
Description
Technical field
The present invention relates to mine engineering field, more particularly to a kind of subterranean communication tunnel based on actual measurement stringcourse data is fine
Modeling method.
Background technology
Underground passage system model is the chief component of Digital Mine engineering, its main feature is that tunnel is crisscross,
Spatial topotaxy is complicated, and section configuration, section parameter and Support types are various.Traditional information management platform is surveyed using underground
Gathered data is examined to draw two-dimentional AutoCAD profilographs or horizontal sectional view, but a kind of local visual angle can only be expressed in this way
Lane space form, it is subjective mainly by the experience and space imagination of technical staff for the three-dimensional information that these graphs are reflected
Judge, greatly affected tunnel mining operation scheduling and quality.As Computerized three-dimensional modeling technique, digital mine are managed
By the constantly improve with technology, true spatial location, virtual roaming, real time monitoring, the acceptance of work in tunnel etc. are needed to tunnel
Carry out the requirement of true three-dimensional visualization.
Offset method, method of section etc., offset method can be divided by being currently used for the usual way of underground passage quick short steps data acquisition
Due to the use of measuring instrument simple structure, measurand needs to meet certain geometric properties, has severely impacted measurement essence
Spend and limit the type in tunnel；The method of section is that the drift section discrete point set of corresponding position is obtained by laser scanning, is adopted
There are randomnesses greatly and between data for the data volume obtained with the method, it is therefore desirable to devote a tremendous amount of time the nothing of processing data
Sequence is with the topological relation of structure section.Expression for mine laneway surface, existing method directly use original measurement number
According to there is no consider that the reconstructing surface caused by measuring point data is sparse is uneven so as to lead to the problem of partial distortion；Separately
Outside, the connection modeling method in tunnel, groundwork is exactly fork modeling, including a large amount of Boolean calculation, smooth registration
And cross-section structure, the entity of generation cannot reflect the overall space form in tunnel well.
Invention content
It is high, with high accuracy based on actual measurement stringcourse number in order to solve the above technical problem, the present invention provides a kind of working efficiency
According to subterranean communication tunnel fine modeling method.
Technical proposal that the invention solves the above-mentioned problems is：A kind of subterranean communication tunnel based on actual measurement stringcourse data is fine
Modeling method includes the following steps：
Step 1：Measure the three-dimensional coordinate put on roof center line, base plate center line and the both sides stringcourse of mine working；
Step 2：The three-dimensional coordinate put on the stringcourse of actual measurement is adjusted into elevation according to base plate center line, obtains closing for tunnel
Close bottom plate boundary line；
Step 3：According to the roof center line obtained in step 1, node-path network topological relation figure is established, is extracted
Communication path in node-path network topological relation figure；Between communication path and bottom plate boundary line, according to section parameter, divide
Area constructs local section contour line；
Step 4：According to the local section contour line obtained in step 3, the space lattice between adjacent contour line is extracted, and
Data encryption is carried out to space lattice, adds transition wheel profile, curved surface trigonometric ratio finally is carried out to space lattice；
Step 5：The closed bottom edges of boards boundary line obtained in step 2 is decomposed into the polygon of multiple dullnesses, and every to its
A polygon carries out trigonometric ratio；
Step 6：Merge the local triangle model Step 4: all in step 5, the underground passage entity connected
Model.
The above-mentioned subterranean communication tunnel fine modeling method based on actual measurement stringcourse data, in the step 3, node-path
Communication path in network topology figure uses the way of search of " outer layer heat source " to obtain, and detailed process is：
3-1-1) the optional point n in node-path profileaFor current node, lvFor access path, next node is found
ng；
3-1-2) from naStart counterclockwise from outside to inside to be ranked up its associated path；
3-1-3) according to outer layer heat source principle, outermost path is selected, finds node ng；
3-1-4) repeat step 3-1-2) and 3-1-3), pass through node ngFind next node ng+1, and so on, directly
Just stop current search under loop case to having traversed all nodes or having formed, extract the path of traversal, and delete each node
Associated path.
The above-mentioned subterranean communication tunnel fine modeling method based on actual measurement stringcourse data, in the step 3, node-path
In communication path search process in network topology figure, if not traversed all nodes, arbitrarily selected from remaining node
A node is taken to continue, until having traversed all paths.
The above-mentioned subterranean communication tunnel fine modeling method based on actual measurement stringcourse data, in the step 3, node-path
Each paths l in network topology figurevExist simultaneously overlap with it, another paths l that direction is oppositev'。
The above-mentioned subterranean communication tunnel fine modeling method based on actual measurement stringcourse data, in the step 4, space lattice
Extracting method be：
4-1-1) obtain two adjacent node ns successively along communication pathbAnd nc, and part is constructed according to section parameter
Range line profile L (f1,f2,…,fp-1) and R (r0,r1,…,rq-1)；
4-1-2) obtain node nbAnd ncBetween roof center line U (u0,u1,…,um-1)；
KD trees 4-1-3) are established to bottom plate boundary line, distance n in bottom plate boundary line is searched by KD treesbAnd ncClosest approach
bb、bcPoint obtains this bb、bcBottom plate boundary line B (b between point0,b1,…,bn-1)；
4-1-4) using range line profile L, R as the left and right contour line of space lattice, roof center line U and bottom plate boundary
Upper and lower contour lines of the line B as space lattice, so as to Special composition grid.
The above-mentioned subterranean communication tunnel fine modeling method based on actual measurement stringcourse data, in the step 4, space lattice
Data encryption and add transition wheel profile detailed process be：
Q transition wheel profile, and every transition profile 4-2-1) are added among roof center line U and bottom plate boundary line B
Line has n point, and addition manner is：
Construction meets q contour line C of the variation tendency from U to Bub：If source contour line is U, target profile curve B, in point
uiThe length of place's accumulation is ULi, the total length of U is UL, then tui=ULi/ UL, tuiRepresent point uiPosition on contour line U, together
Reason can acquire tbi、tfi、tri；Determine point between L, R between U, B to mapping relations according to advanced in unison method, it is assumed that L, R it
Between have corresponding points fsWith rd, it is u to have correspondence point between U, BiWith be, definition acquisition kth contour line CubkJ-th of interpolation
The parameter t of pointjFunctional relation is as follows：
tj=tuitrd+(1-tui)tfs (1)
tjIt is expressed as there are under contour line L, R restraint condition of left and right, contour line CubkMap the parameter equation of point function.
Then it is located at CubkOn point meet relationship：
ck=tjbe-(1-tj)ui (2)
Point ckIt is uiWith beK-th of interpolation point between corresponding points, CubkN point is shared on contour line；
4-2-2) to CubkIt is converted into line function, to meet the actual change trend between L to R, fitting surface, conversion
Contour line afterwards is Dubk；Remember Map:Cubk→DubkFor Cubk, DubkBetween mapping relations one by one, then, for arbitrary point ck(xc,
yc,zc) and its mapping point to Map (ck)=dk(xd,yd,zd), then there is related definition：
Δck=dk-ck (3)
By DubkInitial point d0Corresponding to the point f on Ls, end point dn-1Corresponding to the r on Rd, it is known that：
Δc0=fs-c0 (4)
Δcn-1=rd-cn-1 (5)
By linear interpolation, then：
Δck=tuiΔc0-(1-tui)Δcn-1 (6)
It can be obtained by formula (5), (6)：
dk=ck+tuiΔc0-(1-tui)Δcn-1 (7)
The coordinate that each pair of point is answered on q transition wheel profile is obtained by above procedure.
The above-mentioned subterranean communication tunnel fine modeling method based on actual measurement stringcourse data, in the step 4, if p>Q, then
The quantity for adding transition wheel profile is p items；If m>N, the then quantity put on every transition wheel profile are m.
The beneficial effects of the present invention are：
1st, the present invention locality descends lane space data using actual measurement stringcourse method, not only reduces the work of survey crew
Amount, and stringcourse has recorded the width and communication information in tunnel in detail, top, baseline have recorded in detail the elevation in tunnel, trend and
Spatial position can be fitted tunnel curved surface well in combination with the parameter of tunnel section design.
2nd, the present invention proposes the searching method of the communication path in extraction node-path network topological diagram, analyzes lane
The whole connected state in road, without individually being handled regional areas such as forks, while with practical tunnel boundary contour
As modeling boundary Control line, it can reflect the overall space form in tunnel well.
3rd, the present invention is proposed realizes tunnel surface to the space lattice encryption data of extraction and addition transition wheel profile
The modeling that becomes more meticulous, solve the Sparse Problems of the data obtained from survey crew.
Description of the drawings
Survey stringcourse data partial schematic diagram in the tunnel that Fig. 1 is the present invention；1 is roof center line in figure, and 2 be stringcourse, and 3 are
Base plate center line.
Fig. 2 is node-path network topological relation schematic diagram of the present invention.
Fig. 3 is the schematic diagram of communication path relationship extracted according to Fig. 2.
Fig. 4 is the lane space grid schematic diagram of the present invention.
Fig. 5 present invention adds the schematic diagram of transition wheel profile.
Fig. 6 is of the invention to the schematic diagram after the contour line encryption data of tunnel, wherein (a) is closed loop mould after data encryption
Type, (b) are fork model after data encryption.
Fig. 7 is the tunnel entity schematic diagram generated using the present invention.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
A kind of subterranean communication tunnel fine modeling method based on actual measurement stringcourse data, includes the following steps：
Step 1：Use point on the roof center line 1 of waist line measurement mine working, base plate center line 3, both sides stringcourse 2
Three-dimensional coordinate and mine working section configuration parameter is wide, high, radius, as shown in Figure 1.
Step 2：The three-dimensional coordinate put on the stringcourse of actual measurement is adjusted into elevation according to base plate center line, obtains closing for tunnel
Close bottom plate boundary line；
Step 3：According to the roof center line obtained in step 1, node-path network topological relation figure, such as Fig. 2 are established
It is shown；Extract the communication path in node-path network topological relation figure；Between communication path and bottom plate boundary line, according to disconnected
Face parameter, subregion construction local section contour line.
Communication path in node-path network topological relation figure uses the way of search of " outer layer heat source " to obtain,
As shown in figure 3, detailed process is：
3-1-1) the optional point n in node-path profile1For current node, l0For access path, next node is found
ng；
3-1-2) from n1Start counterclockwise from outside to inside to be ranked up its associated path；Path from outside to inside
It is l respectively1、l'2、l3、l4、l'0；
3-1-3) according to outer layer heat source principle, outermost path l is selected1, find node n2；
3-1-4) repeat step 3-1-2) and 3-1-3), pass through node ngFind next node ng+1, and so on, directly
Just stop current search under loop case to having traversed all nodes or having formed, extract the path of traversal, and delete each node
Associated path.If not traversed all nodes, a node is arbitrarily chosen from remaining node and is continued, until time
All paths are gone through.
Node-path profile：All actual measurement roof center lines are extracted, it is carried out to ask friendship, interrupts operation, generates node and road
Diameter.Corresponding reverse path is generated for every paths, node, path and reverse path collectively form node-path profile.
The associated path of node：Using node as the path of beginning or end, node for terminal path thus node into
Enter path, current path of the node for the path node thus of starting point.
Reverse path：There is one to be completely superposed with it but reverse path that direction is opposite per paths.
The degree of node：The number in the path comprising current node is known as the degree of node.
The out-degree of node：Number using current node as starting path is known as the out-degree of node.
Access path：Directed walk using current node as last node is known as the access path of current node.
Outer layer heat source principle：Arbitrarily choose a node and using an access path of current node as an initial line,
It rotates a circle counterclockwise around the node, the path passed through successively is exactly the path arranged from outer layer to internal layer.
Step 4：According to the local section contour line obtained in step 3, the space lattice between adjacent contour line is extracted, and
Data encryption is carried out to space lattice using advanced in unison method, transition wheel profile is added, curved surface three finally is carried out to space lattice
Angling.
The extracting method of space lattice is：
4-1-1) as shown in (a) in Fig. 4, two adjacent node ns are obtained successively along communication pathbAnd nc, and according to number
According to the section parameter construction local section contour line L (f preserved in library1,f2,…,fp-1) and R (r0,r1,…,rq-1)；
4-1-2) obtain node nbAnd ncBetween roof center line U (u0,u1,…,um-1)；
KD trees 4-1-3) are established to bottom plate boundary line, distance n in bottom plate boundary line is searched by KD treesbAnd ncClosest approach
bb、bcPoint obtains this bb、bcBottom plate boundary line B (b between point0,b1,…,bn-1)；
4-1-4) as shown in (b) in Fig. 4, using range line profile L, R as the left and right contour line of space lattice, in top plate
Upper and lower contour lines of the heart line U and bottom plate boundary line B as space lattice, so as to Special composition grid.
As shown in Figure 5, Figure 6, the data encryption of space lattice and the detailed process of addition transition wheel profile are：
Q 4-2-1) is added among roof center line U and bottom plate boundary line B (if p>Q then adds the number of transition wheel profile
It measures as p items, below with q>For p) transition wheel profile, and every transition wheel profile has n (if m>N, then every transition profile
The quantity put on line is m, below with n>For m) a point, addition manner is：
Construction meets q contour line C of the variation tendency from U to Bub：If source contour line is U, target profile curve B, in point
uiThe length of place's accumulation is ULi, the total length of U is UL, then tui=ULi/ UL, tuiRepresent point uiPosition on contour line U, together
Reason can acquire tbi、tfi、tri, tbiRepresent point biPosition on contour line B, tfiRepresent point fiPosition on contour line L, tri
Represent point riPosition on contour line R；Point between L, R between U, B is determined to mapping relations according to advanced in unison method, it is false
If L, there is corresponding points f between RsWith rd, it is u to have correspondence point between U, BiWith be, definition acquisition kth contour line Cubk
The parameter t of j interpolation pointjFunctional relation is as follows：
tj=tuitrd+(1-tui)tfs (1)
tjIt is expressed as there are under contour line L, R restraint condition of left and right, contour line CubkMap the parameter equation of point function.
Then it is located at CubkOn point meet relationship：
ck=tjbe-(1-tj)ui (2)
Point ckIt is uiWith beK-th of interpolation point between corresponding points, CubkN point is shared on contour line；
4-2-2) to CubkIt is converted into line function, to meet the actual change trend between L to R, fitting surface, conversion
Contour line afterwards is Dubk；Remember Map:Cubk→DubkFor Cubk, DubkBetween mapping relations one by one, then, for arbitrary point ck(xc,
yc,zc) and its mapping point to Map (ck)=dk(xd,yd,zd), then there is related definition：
Δck=dk-ck (3)
By DubkInitial point d0Corresponding to the point f on Ls, end point dn-1Corresponding to the r on Rd, it is known that：
Δc0=fs-c0 (4)
Δcn-1=rd-cn-1 (5)
By linear interpolation, then：
Δck=tuiΔc0-(1-tui)Δcn-1 (6)
It can be obtained by formula (5), (6)：
dk=ck+tuiΔc0-(1-tui)Δcn-1 (7)
The coordinate that each pair of point is answered on q transition wheel profile is obtained by above procedure.Three between contour line two-by-two are carried out again
Angling.
Step 5：The closed bottom edges of boards boundary line obtained in step 2 is decomposed into the polygon of multiple dullnesses, and every to its
A polygon carries out trigonometric ratio.
Step 6：Merge the local triangle model Step 4: all in step 5, the underground passage entity connected
Model, as shown in Figure 7.
Claims (7)
1. a kind of subterranean communication tunnel fine modeling method based on actual measurement stringcourse data, includes the following steps：
Step 1：Measure the three-dimensional coordinate put on roof center line, base plate center line and the both sides stringcourse of mine working；
Step 2：The three-dimensional coordinate of the stringcourse point of actual measurement is adjusted into elevation according to base plate center line, obtains the closure bottom plate in tunnel
Boundary line；
Step 3：According to the roof center line obtained in step 1, node-path network topological relation figure is established, extraction node-
Communication path in path network topological relation figure；Between communication path and bottom plate boundary line, according to section parameter, subregion construction
Local section contour line；
Step 4：According to the local section contour line obtained in step 3, the space lattice between adjacent contour line is extracted, and to sky
Between grid carry out data encryption, add transition wheel profile, finally to space lattice carry out curved surface trigonometric ratio；
Step 5：The closed bottom edges of boards boundary line obtained in step 2 is decomposed into the polygon of multiple dullnesses, and more to each of which
Side shape carries out trigonometric ratio；
Step 6：Merge the local triangle model Step 4: all in step 5, the underground passage entity mould connected
Type.
2. the subterranean communication tunnel fine modeling method according to claim 1 based on actual measurement stringcourse data, feature exist
In in the step 3, the communication path in node-path network topological relation figure uses the searcher of " outer layer heat source "
Formula obtains, and detailed process is：
3-1-1) the optional point n in node-path profileaFor current node, lvFor access path, next node n is foundg；
3-1-2) from naStart counterclockwise from outside to inside to be ranked up its associated path；
3-1-3) according to outer layer heat source principle, outermost path is selected, finds node ng；
3-1-4) repeat step 3-1-2) and 3-1-3), pass through node ngFind next node ng+1, and so on, until traversal
Just stop current search under complete all nodes or composition loop case, extract the path of traversal, and delete associated by each node
Path.
3. the subterranean communication tunnel fine modeling method according to claim 2 based on actual measurement stringcourse data, feature exist
In in the step 3, in the communication path search process in node-path network topological relation figure, if not traversed all
Node is then arbitrarily chosen a node from remaining node and is continued, until having traversed all paths.
4. the subterranean communication tunnel fine modeling method according to claim 2 based on actual measurement stringcourse data, feature exist
In, in the step 3, each paths l in node-path network topological relation figurevExist simultaneously overlap with it,
The opposite another paths l in directionv'。
5. the subterranean communication tunnel fine modeling method according to claim 2 based on actual measurement stringcourse data, feature exist
In in the step 4, the extracting method of space lattice is：
4-1-1) obtain two adjacent node ns successively along communication pathbAnd nc, and local section is constructed according to section parameter
Contour line L (f1,f2,…,fp-1) and R (r0,r1,…,rq-1)；
4-1-2) obtain node nbAnd ncBetween roof center line U (u0,u1,…,um-1)；
KD trees 4-1-3) are established to bottom plate boundary line, distance n in bottom plate boundary line is searched by KD treesbAnd ncClosest approach bb、bc
Point obtains this bb、bcBottom plate boundary line B (b between point0,b1,…,bn-1)；
4-1-4) make range line profile L, R as the left and right contour line of space lattice, roof center line U and bottom plate boundary line B
For the upper and lower contour line of space lattice, so as to Special composition grid.
6. the subterranean communication tunnel fine modeling method according to claim 5 based on actual measurement stringcourse data, feature exist
In in the step 4, the data encryption of space lattice is with the detailed process for adding transition wheel profile：
Q transition wheel profile 4-2-1) is added among roof center line U and bottom plate boundary line B, and every transition wheel profile has n
A, addition manner is：
Construction meets q contour line C of the variation tendency from U to Bub：If source contour line is U, target profile curve B, in point uiPlace
The length of accumulation is ULi, the total length of U is UL, then tui=ULi/ UL, tuiRepresent point uiPosition on contour line U, similarly may be used
Acquire tbi、tfi、tri；Determine point between L, R between U, B to mapping relations according to advanced in unison method, it is assumed that have between L, R
Corresponding points fsWith rd, it is u to have correspondence point between U, BiWith be, definition acquisition kth contour line CubkJ-th interpolation point
Parameter tjFunctional relation is as follows：
tj=tuitrd+(1-tui)tfs (1)
tjIt is expressed as there are under contour line L, R restraint condition of left and right, contour line CubkMap the parameter equation of point function.
Then it is located at CubkOn point meet relationship：
ck=tjbe-(1-tj)ui (2)
Point ckIt is uiWith beK-th of interpolation point between corresponding points, CubkN point is shared on contour line；
4-2-2) to CubkIt is converted into line function, it is transformed to meet the actual change trend between L to R, fitting surface
Contour line is Dubk；Remember Map:Cubk→DubkFor Cubk, DubkBetween mapping relations one by one, then, for arbitrary point ck(xc,yc,
zc) and its mapping point to Map (ck)=dk(xd,yd,zd), then there is related definition：
Δck=dk-ck (3)
By DubkInitial point d0Corresponding to the point f on Ls, end point dn-1Corresponding to the r on Rd, it is known that：
Δc0=fs-c0 (4)
Δcn-1=rd-cn-1 (5)
By linear interpolation, then：
Δck=tuiΔc0-(1-tui)Δcn-1 (6)
It can be obtained by formula (5), (6)：
dk=ck+tuiΔc0-(1-tui)Δcn-1 (7)
The coordinate that each pair of point is answered on q transition wheel profile is obtained by above procedure.
7. the subterranean communication tunnel fine modeling method according to claim 6 based on actual measurement stringcourse data, feature exist
In in the step 4, if p>Q, the then quantity for adding transition wheel profile are p items；If m>N, then point on every transition wheel profile
Quantity be m.
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| CN109813310A (en) * | 2019-03-11 | 2019-05-28 | 中南大学 | Underground working apparatus localization method, device, system and storage medium |
| CN111928828A (en) * | 2020-07-02 | 2020-11-13 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Method for quickly calibrating center line and waist line of underground curve |
| CN113722866A (en) * | 2021-07-16 | 2021-11-30 | 陕煤集团神木张家峁矿业有限公司 | Method and device for updating tunneling roadway space topological network model |
| CN114353765A (en) * | 2021-12-14 | 2022-04-15 | 湖南辰州矿业有限责任公司 | Inclined roadway waist line laying method |
| CN116385688A (en) * | 2023-06-01 | 2023-07-04 | 北京畅图科技有限公司 | Method and device for quickly constructing three-dimensional roadway model, computer equipment and medium |
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| CN109813310A (en) * | 2019-03-11 | 2019-05-28 | 中南大学 | Underground working apparatus localization method, device, system and storage medium |
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| CN114353765A (en) * | 2021-12-14 | 2022-04-15 | 湖南辰州矿业有限责任公司 | Inclined roadway waist line laying method |
| CN114353765B (en) * | 2021-12-14 | 2023-11-14 | 湖南辰州矿业有限责任公司 | Oblique roadway waist line applying method |
| CN116385688A (en) * | 2023-06-01 | 2023-07-04 | 北京畅图科技有限公司 | Method and device for quickly constructing three-dimensional roadway model, computer equipment and medium |
| CN116385688B (en) * | 2023-06-01 | 2023-08-15 | 北京畅图科技有限公司 | Method and device for quickly constructing three-dimensional roadway model, computer equipment and medium |
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