CN107833281A - A kind of quick method for establishing geology free face GOCAD three-dimensional geological models - Google Patents
A kind of quick method for establishing geology free face GOCAD three-dimensional geological models Download PDFInfo
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- CN107833281A CN107833281A CN201711100460.1A CN201711100460A CN107833281A CN 107833281 A CN107833281 A CN 107833281A CN 201711100460 A CN201711100460 A CN 201711100460A CN 107833281 A CN107833281 A CN 107833281A
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- gocad
- geology
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- datum mark
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- 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
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- 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
- G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2200/00—Indexing scheme for image data processing or generation, in general
- G06T2200/08—Indexing scheme for image data processing or generation, in general involving all processing steps from image acquisition to 3D model generation
Abstract
The invention discloses a kind of quick method for establishing geology free face GOCAD three-dimensional geological models, this method comprises the following steps：Determine destination object scope；Target zone is taken pictures；Establish Smart3DCapture 3D solid striographs；The cloud data of Smart3DCapture 3D solid striographs is converted into DXF form elevation cloud datas；Establish geology free face GOCAD three-dimensional geological models.The inventive method establishes target Smart3DCapture 3D solid striographs by using unmanned plane, camera, measuring instrument, then the extraction point cloud coordinate in 3-dimensional image figure, the cloud data of extraction is imported into Global Mapper Software Create elevational points, elevation point data is imported in GOCAD and establishes three-dimensional geological model.The more traditional single in-site measurement landform of the present invention, measurement data generation topographic map, then topographic map imported establish model method it is more efficient, precision is higher, and interior industry workload is small, it is important to the problem of effectively avoiding meeting with measurement dead angle in traditional measurement method.
Description
Technical field
The present invention relates to engineering geological investigation technology, more particularly to one kind quickly to establish geology free face GOCAD dimensionally
The method of matter model.
Background technology
The combination of unmanned air vehicle technique and three-dimensional modeling causes modeling efficiency, precision to increase substantially, while job costs, biography
The danger coefficient of system work all significantly reduces.Unmanned air vehicle technique is now widely used in engineering construction, especially in engineering geology
Important technical support is provided in survey.
With the quickening of Southwestern China area construction of hydropower facilities paces, southwest high mountain gorge landforms cause engineering construction
The high slope of a large amount of complex geologic conditions, big cavern's Rock Slide Stability problem are faced in journey, these problems often face engineering construction
Security risk, or even directly affect engineering decision.With developing rapidly for exploratory techniques, geological analysis pattern is also entered by two dimension
In the three-dimensional epoch, along with the demand of industry development, more money 3 d modeling softwares enter engineering geological investigation field so that geology point
The condition of analysis is more and more complete, and the expression-form of geological mapping achievement is more and more vivid.
Tradition comes from figure of surveying the topography to the GOCAD three-dimensional modeling datas basis of geology free face, and its model accuracy takes
Certainly in the engineer's scale of topographic map.The drafting of topographic map need by a more very long live manual measurement → interior industry integral into
The process of figure → check, person works' amount is big, mapping time is long, the problems such as artificial treatment data there may be error be present, and
And in face of form it is irregular, rise and fall difference is big, the geology free face of measurement dead angle be present when, the workload of conventional method can be at double
Increase, can not ensure quality of achievement, this directly affects the foundation of free face three-dimensional geological model.
The content of the invention
The defects of the technical problem to be solved in the present invention is to be directed in the prior art, there is provided one kind is quickly established geology and faced
The method of empty face GOCAD three-dimensional geological models.
The technical solution adopted for the present invention to solve the technical problems is：One kind quickly establishes geology free face GOCAD tri-
The method for tieing up geological model, comprises the following steps：
1) destination object scope is determined, that is, determines that the scope of the geology free face of three-dimensional geological model need to be established；
1.1) coordinate range of destination object is determined；
1.2) it is determined that in the range of, a number of datum mark is chosen according to range size；
1.3) datum mark of selection is measured using the total powerstation of non-prism, the space coordinates of datum mark；
2) target zone is taken pictures；
2.1) it is not less than 70% technical requirements, planning shooting route according to the two of adjacent regions photo registrations；
2.2) target zone is taken pictures using unmanned plane or common high definition camera, it is ensured that visual angle of taking pictures includes four circumferences
Face；
2.3) by the shooting route movement unmanned plane or camera of planning, shot successively from origin-to-destination, ensure adjacent portions
Two photo registrations of position are not less than 70%；The starting point of shooting route and destination county are both needed to repeat to shoot 2 photos every time；
3) Smart3DCapture 3D solid striographs are established；
3.1) photo of shooting and datum mark survey data are deposited to a file；
3.2) text is edited, the numbering comprising benchmark measuring point, coordinate, elevation and photo are numbered in text；
3.3) photo and text are imported into Smart3D softwares, generates 3D solid striograph.
4) cloud data of Smart3DCapture 3D solid striographs is converted into DXF form elevation point datas；
4.1) in Smart3DCapture softwares, set-point cloud spacing, 3D solid striograph cloud data is exported；
4.2) using Global Mapper softwares export elevation point data.Catalogue is opened in Global Mapper softwares
Interior All Files, projected coordinate system and reel number are set, import the cloud data of Smart3DCapture outputs, output DXF arrows
Measure form elevation point data；
5) geology free face GOCAD three-dimensional geological models are established；
5.1) DXF form elevations cloud data is imported into GOCAD；
5.2) GOCAD softwares point data structure three-dimensional surface is utilized.
By such scheme, datum mark is uniform in geology free face region by infrared laser indicator in the step 1)
The mark point of laying.
By such scheme, the quantity of datum mark is according to destination object range size and the benchmark of setting in the step 1.2)
Point spacing distance determines.
The beneficial effect comprise that：The invention provides one kind quickly to establish geology free face GOCAD dimensionally
The method of matter model, compared to existing geology free face tradition GOCAD modeling methods, workload is small and improves efficiency and essence
Degree.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the method flow diagram of the embodiment of the present invention；
Fig. 2 is the GOCAD three-dimensional geological model schematic diagrames of the foundation of the embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that specific embodiment described herein is not used to limit only to explain the present invention
The fixed present invention.
A kind of as shown in figure 1, method of geology free face quick three-dimensional modeling.
The present invention, which is achieved in that, to be comprised the following specific steps that：
A, destination object scope is determined；
Step 1, determine the coordinate range of destination object；
Step 2, it is determined that in the range of, a number of datum mark is chosen according to range size；
Step 3, the datum mark of selection is measured using the total powerstation of non-prism, the space coordinates of datum mark.
B, target zone is taken pictures；
Step 1,70% technical requirements, planning shooting route are not less than according to the two of adjacent regions photo registrations；
Step 2, target zone is taken pictures using unmanned plane or common high definition camera, it is ensured that visual angle of taking pictures includes target
Four boundaries of object；
Step 3, shoots the initiating terminal of route every time and clearing end is both needed to repeat to shoot 2 photos；
Step 4, unmanned plane or camera are moved by the shooting route of planning, shoots, ensures adjacent successively from origin-to-destination
Two photo registrations at position are not less than 70%.
C, Smart3DCapture 3D solid striographs are established；
Step 1, the photo of shooting and datum mark survey data are deposited to a file；
Step 2, text is edited, the numbering comprising benchmark measuring point, coordinate, elevation and photo are numbered in text；
Step 3, photo and text are imported into Smart3D softwares, generate 3D solid striograph.
D, the cloud data of Smart3DCapture 3D solid striographs is converted into DXF form elevation point datas；
Step 1, in Smart3DCapture softwares, set-point cloud spacing, export 3D solid striograph point cloud number
According to；
Step 2, elevation point data is exported using Global Mapper softwares.Opened in Global Mapper softwares
All Files in catalogue, projected coordinate system and reel number are set, import the cloud data of Smart3DCapture outputs, output
DXF vector format elevation point datas.
E, geology free face GOCAD three-dimensional geological models are established；
Step 1, DXF form elevations cloud data is imported into GOCAD；
Step 2, three-dimensional surface is built using GOCAD softwares point data.
With a specific embodiment, the present invention is further illustrated below.
One volume of development is 36.9 × 10 in certain southwestern water conservancy and hydropower multi-purpose project dam right bank dam abutment drag body4m3It is molten
Hole, solution cavity form is irregular, and due to being limited by its natural developmental condition, its accurate shape can not be found out during engineering geological investigation
State, due to the inaccuracy of form in the processing work progress to solution cavity, brought to geological analysis, site operation very big
Difficulty.For the engineering geological problems of real-time tracking work progress, quick, accurate clear and definite form turns into focus, uses this
Method in invention efficiently solves problem encountered.
The present invention is now further illustrated with the example that is established as of solution cavity 1014m~990m elevation section GOCAD threedimensional models.
Step 1：Being taken pictures according to step, it is three-dimensional real to form solution cavity dome 1014m~990m elevation sections Smart3DCapture
Body striograph；
Step 2：Use the cloud data of Smart3DCapture softwares output .las forms；
Step 3：Generate DXF form elevation point datas
(1) Global Mapper softwares are opened, selection " opens All Files in catalogue ", finds corresponding storing spot cloud number
According to folder path；
(2) region (corresponding reel number) according to corresponding to the central meridian selection that measurement provides, and coordinate basis, and
Selected projection is used to the file selected；
(3) this option computing is used all radar grids, clicks on and determines；
(4) menu, file are clicked on》Output》Output vector form, output vector form, file type selection DXF, obtain
Elevation point data DXF files.
Step 4：Establish Gocad threedimensional models
(1) Gocad softwares, elevation measuring point data DXF files are started；
(2) Surface Mode, New PointsSet, the name of input face, selected element cloud are selected in General Mode
Data, click on and determine, establish face (Fig. 2), finally obtain threedimensional model.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (3)
1. a kind of quick method for establishing geology free face GOCAD three-dimensional geological models, comprises the following steps：
1) destination object scope is determined, that is, determines that the scope of the geology free face of three-dimensional geological model need to be established；
1.1) coordinate range of destination object is determined；
1.2) it is determined that in the range of, a number of datum mark is chosen according to range size；
1.3) datum mark of selection is measured using the total powerstation of non-prism, the space coordinates of datum mark；
2) target zone is taken pictures using unmanned plane or common high definition camera；
2.1) it is not less than 70% technical requirements, planning shooting route or unmanned plane according to the two of adjacent regions photo registrations
The line of flight；
2.2) target zone is taken pictures using unmanned plane or common high definition camera, it is ensured that visual angle of taking pictures includes four boundaries；
2.3) the shooting route control unmanned plane by planning or camera movement, shoot, ensure adjacent portions successively from origin-to-destination
Two photo registrations of position are not less than 70%；The starting point of shooting route and destination county are both needed to repeat to shoot 2 photos every time；
3) Smart3DCapture 3D solid striographs are established；
3.1) photo of shooting and datum mark survey data are deposited to a file；
3.2) editor generates photo and benchmark information text, and numbering, coordinate, elevation and the photo of benchmark measuring point are included in text
Numbering；
3.3) photo and text are imported into Smart3D softwares, generates 3D solid striograph；
4) cloud data of Smart3DCapture 3D solid striographs is converted into DXF form elevation point datas；
4.1) in Smart3DCapture softwares, set-point cloud spacing, 3D solid striograph cloud data is exported；
4.2) using Global Mapper softwares export elevation point data.Institute in catalogue is opened in Global Mapper softwares
There is file, projected coordinate system and reel number are set, import the cloud data of Smart3DCapture outputs, export DXF vector lattice
Formula elevation point data；
5) geology free face GOCAD three-dimensional geological models are established；
5.1) DXF form elevations cloud data is imported into GOCAD；
5.2) using GOCAD softwares point data structure three-dimensional surface, model is obtained.
2. the multi-angle recognition methods of Fractures Spatial Distribution and character according to claim 1, it is characterised in that the step
It is rapid 1) in datum mark be the mark point uniformly laid in geology free face region by infrared laser indicator.
3. the multi-angle recognition methods of Fractures Spatial Distribution and character according to claim 1, it is characterised in that the step
It is rapid 1.2) in datum mark quantity according to destination object range size and setting datum mark spacing distance determine.
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| CN108520555A (en) * | 2018-04-11 | 2018-09-11 | 长江大学 | geological model construction method and device |
| CN109377558A (en) * | 2018-09-29 | 2019-02-22 | 湖南省勘察测绘院 | A kind of generation method in three-dimensional visualization tunnel |
| CN110163966A (en) * | 2019-05-16 | 2019-08-23 | 中煤科工集团北京华宇工程有限公司 | Establish the method for coal mine three-dimensional geological information model automatically using point cloud data |
| CN110163969A (en) * | 2019-06-10 | 2019-08-23 | 中国地质环境监测院 | Vertical geologic body 3 D model construction method and device |
| CN110824576A (en) * | 2019-11-14 | 2020-02-21 | 山东大学 | Shallow cavity type disaster source fine detection imaging device and method |
| CN110989593A (en) * | 2019-12-02 | 2020-04-10 | 雷沃工程机械集团有限公司 | Multi-engineering-machine comprehensive construction system and method |
| CN112270750A (en) * | 2020-10-15 | 2021-01-26 | 昆明理工大学 | Method for reconstructing water and underwater integrated three-dimensional model of karst cave |
| CN113487736A (en) * | 2021-07-12 | 2021-10-08 | 中国电建集团昆明勘测设计研究院有限公司 | Method for converting underwater topography point cloud data into OBJ three-dimensional model |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108520555A (en) * | 2018-04-11 | 2018-09-11 | 长江大学 | geological model construction method and device |
| CN109377558A (en) * | 2018-09-29 | 2019-02-22 | 湖南省勘察测绘院 | A kind of generation method in three-dimensional visualization tunnel |
| CN110163966A (en) * | 2019-05-16 | 2019-08-23 | 中煤科工集团北京华宇工程有限公司 | Establish the method for coal mine three-dimensional geological information model automatically using point cloud data |
| CN110163966B (en) * | 2019-05-16 | 2022-12-09 | 中煤科工集团北京华宇工程有限公司 | Method for automatically establishing three-dimensional geological information model of coal mine by using point cloud data |
| CN110163969A (en) * | 2019-06-10 | 2019-08-23 | 中国地质环境监测院 | Vertical geologic body 3 D model construction method and device |
| CN110824576A (en) * | 2019-11-14 | 2020-02-21 | 山东大学 | Shallow cavity type disaster source fine detection imaging device and method |
| CN110989593A (en) * | 2019-12-02 | 2020-04-10 | 雷沃工程机械集团有限公司 | Multi-engineering-machine comprehensive construction system and method |
| CN112270750A (en) * | 2020-10-15 | 2021-01-26 | 昆明理工大学 | Method for reconstructing water and underwater integrated three-dimensional model of karst cave |
| CN112270750B (en) * | 2020-10-15 | 2022-06-10 | 昆明理工大学 | Method for reconstructing water and underwater integrated three-dimensional model of karst cave |
| CN113487736A (en) * | 2021-07-12 | 2021-10-08 | 中国电建集团昆明勘测设计研究院有限公司 | Method for converting underwater topography point cloud data into OBJ three-dimensional model |
| CN113487736B (en) * | 2021-07-12 | 2022-12-02 | 中国电建集团昆明勘测设计研究院有限公司 | Method for converting underwater topography point cloud data into OBJ three-dimensional model |
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