CN112581558B - Model construction method and system for intrusion structure in cut geological section - Google Patents
Model construction method and system for intrusion structure in cut geological section Download PDFInfo
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Abstract
The invention discloses a model construction method and a device for an intrusion structure in a cut geological section, wherein the method comprises the following steps: (1) Loading a stratum surface map layer and a stratum boundary map layer of the map cut geological section; (2) extracting invaded formation data from the formation code; (3) extracting any intersection point of the surface of the invaded rock stratum; (4) calculating a bottom intersection point and a control point of the invaded formation; (5) Generating a smooth invasive rock stratum inferred stratum curve according to the surface intersection point, the bottom intersection point and the control point; (6) Dividing the original stratum-like elements according to the inferred stratum curve; (7) consolidating to construct an invaded formation. The invention can effectively improve the modeling quality of the invasive structure in the cut geological section.
Description
Technical Field
The invention relates to the field of geographic information and geology, in particular to a model construction method and a system for an intrusion structure in a cut geological section.
Background
The invaded formation means a formation produced during gradual condensation and consolidation of the crust material into rock with a decrease in temperature during the flow period when the crust material invades into overlying surrounding rock in the vertical direction. The intrusion structure is not only an indispensable content in regional structure research, but also has important practical significance in prospecting work. The map cut geological section is a geological section which is formed by selecting a certain direction on the geological section, and drawing the geological section according to various geological and geographic elements according to a certain scale by a projection method. On the map cut geological section map, reasonable inference and modeling of an invaded rock mass are carried out based on stratum occurrence and plane geometry of the invaded rock stratum, which is a necessary premise for accurately carrying out map cut geological section modeling on an invaded rock development area and is a requirement for carrying out three-dimensional modeling based on sequence map cut geological sections. Therefore, the research of modeling methods for invading structures in the cut geological section is developed, and the method has important research significance and use value.
Disclosure of Invention
The invention aims to: aiming at the problems existing in the prior art, the invention provides a model construction method and a system for an intrusion structure in a cut geological section with higher modeling quality.
The technical scheme is as follows: the method for constructing the model of the intrusion structure in the cut geological section comprises the following steps:
(1) Loading a stratum surface layer and a stratum line layer of the map cut geological section to obtain stratum code sets FD and stratum line sets LN of all stratum;
(2) Extracting an invaded stratum set FN according to stratum codes;
(3) Reading any invaded stratum FN from the invaded stratum set FN, and obtaining a surface intersection point A, B of the invaded stratum FN;
(4) Calculating bottom intersection points C ', D' of the invaded rock formation fn according to the surface intersection point A, B, and stratum line core control points H ', I' and curve control points;
(5) Generating a pair of smooth invaded rock stratum inference stratum curves according to the ground surface intersection point, the bottom intersection point and the control point;
(6) Circularly executing the steps (3) - (5) until the traversal of the invaded stratum collection FN is completed, obtaining all the invaded stratum inferred stratum curves, and storing the invaded stratum inferred stratum curves into the invaded stratum inferred stratum curve collection GL;
(7) And deducing a stratum curve set GL based on the invaded stratum, dividing the original stratum, merging and constructing the invaded stratum, and obtaining a model of the invaded structure.
Further, the step (1) specifically includes:
(1-1) loading a stratum surface layer and a stratum line layer of the cut geological section, obtaining codes of all stratum from the stratum surface layer and the stratum line layer, and storing the codes into a stratum code set fd= { f c |c=1, 2, …, fc }, wherein f c represents a c-th stratum code and fc represents the number of stratum codes;
(1-2) obtaining all formation lines, and sequentially storing a formation line set LN= { LN b |b=1, 2, …, fc-1} along the section line direction, wherein LN b represents a b-th formation line, and fc-1 represents the number of formation lines.
Further, the step (2) specifically includes:
(2-1) constructing an invaded formation code table FC according to the legend of the geological map of the research area;
(2-2) ordering the formation codes in the formation code set FD from left to right along the section line direction;
And (2-3) sequentially reading elements from the stratum code set FD, and if the elements belong to stratum codes in the invaded stratum code table FC, storing the elements into the invaded stratum set FN until the elements are read out, so as to obtain the invaded stratum set FN.
Further, the step (3) specifically includes:
(3-1) reading any of the invaded formations FN based on the invaded formation set FN;
(3-2) acquiring two stratum lines LN b、lnb+1 corresponding to the invaded stratum fn according to the stratum line set LN;
(3-3) extracting the first end point A (x A,yA)、B(xB,yB) of the stratum line ln b、lnb+1 respectively, namely the surface intersection point of the invaded stratum fn.
Further, the step (4) specifically includes:
(4-1) connecting point A, B, calculating the difference h between the AB abscissas;
(4-2) obtaining the midpoints E (x E,yE) of points C (x C,yC), D (x D,yD) and AB according to the following formula;
(4-3) respectively making vertical lines through points C, D, E, wherein the vertical lines respectively intersect with the bottom boundary line of the stratum at points C ', D', F, and the points C ', D' are bottom intersection points of the invaded stratum fn;
(4-4) obtaining a midpoint G of EF, and making a perpendicular line passing through the midpoint G to make AC 'at a point H and BD' at a point I respectively;
(4-5) obtaining a midpoint H 'of GH and a midpoint I' of GI, wherein the midpoint H 'and the midpoint I' are the core control points of formation lines penetrating into the rock stratum;
(4-6) calculating an invaded formation curve control point according to the inclination direction of the formation line of the invaded formation.
Further, the step (4-6) specifically includes:
(4-6-1) connecting CC ', DD', CC ', DD' respectively crossing HI at point S, L;
(4-6-2) calculating midpoint P of point A, S and midpoint Q of point B, L;
(4-6-3) obtaining two formation lines ln b、lnb+1 corresponding to the invaded formation fn, and calculating the slope k 1 of the formation line ln b and the slope k 2 of the formation line ln b+1;
(4-6-4) if k 1 >0 and k 2 >0, then taking the midpoint P as the curve control point; if k 1 <0 and k 2 <0, then the midpoint Q is taken as the curve control point; if k 1 >0 and k 2 <0, then the midpoint P, Q is taken as the curve control point; if k 1 <0 and k 2 >0, then no curve control point exists.
Further, the step (5) specifically includes:
(5-1) if there are two curve control points P, Q, generating a smooth curve between points A, P, H ', C' and points B, Q, I ', D', respectively;
(5-2) if there is only one curve control point P, generating a smooth curve between points A, P, H ', C' and points B, I ', D', respectively; if only one curve control point Q exists, generating a smooth curve between points A, H ', C' and points B, Q, I ', D' respectively;
(5-3) if no curve control point exists, a smooth curve is generated between points A, H ', C' and points B, I ', D', respectively.
Further, the method for generating a smooth curve between 4 points in the step (5-1) and the step (5-2) specifically comprises:
A. sequentially connecting 4 points, and taking the middle two points as vertexes;
B. setting the initial value of a parameter t to be 0, setting t E [0,1] and setting a fixed value Step as a Step length;
C. Update t=t+step;
D. obtaining the coordinates of the point U according to the following formula;
wherein x *、y* represents the coordinates of the first point out of the 4 points, respectively;
E. and C, returning to the execution step until all the U points are obtained, and connecting all the U points into a curve, namely a generated smooth curve.
Further, the method for generating a smooth curve between 3 points in the step (5-2) and the step (5-3) specifically comprises:
A. Sequentially connecting 3 points, and taking the middle point as a vertex;
B. setting the initial value of a parameter t to be 0, setting t E [0,1] and setting a fixed value Step as a Step length;
C. Update t=t+step;
D. obtaining the coordinates of the point U according to the following formula;
Wherein x *、y* represents the coordinates of the first point out of the 3 points, respectively;
E. and C, returning to the execution step until all the U points are obtained, and connecting all the U points into a curve, namely a generated smooth curve.
Further, the step (7) specifically includes:
(7-1) reading a pair of invaded formation-inferred formation curves GL p and GL p+1 from the invaded formation-inferred formation curve set GL;
(7-2) deriving formation curves gl p and gl p+1 from the invaded formation, segmenting the original formation level;
(7-3) obtaining a split formation level between the formation lines gl p and gl p+1 based on the graph-space relationship;
(7-4) merging all of the partitioned formation layers, constructing an invaded formation as modeled invaded formation formations;
(7-5) steps (7-1) - (7-4) are cyclically performed until the construction of all invasive constructions is completed.
The model construction device for the intrusion structure in the cut geological section comprises a processor and a computer program which is stored in a memory and can run on the processor, wherein the processor realizes the method when executing the program.
The beneficial effects are that: compared with the prior art, the invention has the remarkable advantages that: the method can effectively improve the modeling quality of the interrupted invasive structure of the cut geological section and lays a good data foundation for three-dimensional modeling based on the sequence cut geological section.
Drawings
FIG. 1 is cut geological profile data employed in the present embodiment;
FIG. 2 is a flow chart of a method for modeling an intrusion into a geological section of a cut-away geological section provided by the present invention;
FIG. 3 is a schematic illustration of calculating bottom intersection points and control points of an invaded formation;
FIG. 4 is a cross-sectional view of the formation after formation curve is inferred from the formation of an invaded formation;
FIG. 5 is a cut-away cross-sectional view of the present invention after modeling of an intrusion construct.
Detailed Description
In the following, the technical scheme of the present invention is further described in detail, in this embodiment, the cut geological section of the tiger hole in south Beijing city is selected as experimental data, and as shown in fig. 1, the projection coordinate system adopted by the experimental data is WGS84. Further description will be provided by describing a specific embodiment with reference to the accompanying drawings.
As shown in fig. 2, the method for constructing a model of an intrusion structure in a cut geological section provided in this embodiment includes the following steps:
(1) And loading stratum surface layers and stratum line layers of the map cut geological section to obtain stratum code sets FD and stratum line sets LN of all stratum.
The method specifically comprises the following steps:
(1-1) loading a stratum surface layer and a stratum line layer of the cut geological section, obtaining codes of all stratum from the stratum surface layer and the stratum line layer, and storing the codes into a stratum code set fd= { f c |c=1, 2, …, fc }, wherein f c represents a c-th stratum code and fc represents the number of stratum codes; in the present embodiment, fc=15.
(1-2) Obtaining all formation lines, and sequentially storing a formation line set LN= { LN b |b=1, 2, …, fc-1} along the section line direction, wherein LN b represents a b-th formation line, and fc-1 represents the number of formation lines.
(2) Based on the formation code, an invaded formation set FN is extracted.
The method specifically comprises the following steps:
(2-1) constructing an invaded stratum code table FC according to the legend of the geological map of the research area, namely constructing stratum code tables FC of all invaded strata according to stratum code coding rules of the legend of the geological map of the research area so as to enable stratum code types to be consistent; the invaded formation code table FC established in this embodiment is shown in table 1;
TABLE 1 intrusion formation code table FC
(2-2) Ordering the formation codes in the formation code set FD from left to right along the section line direction;
(2-3) sequentially reading elements from the formation code set FD, and if the elements belong to formation codes in the invaded formation code table FC, storing the elements into the invaded formation set FN until the elements are read out, thereby obtaining the invaded formation set FN, wherein in this embodiment, there are two invaded formations in the invaded formation set FN, specifically, the 7 th and 12 th formation layers.
(3) Any invaded formation FN is read from the invaded formation pool FN to obtain its surface intersection A, B.
The method specifically comprises the following steps:
(3-1) reading any of the invaded formations FN based on the invaded formation set FN;
(3-2) acquiring two stratum lines LN b、lnb+1 corresponding to the invaded stratum fn according to the stratum line set LN;
(3-3) extracting the first end point A (x A,yA)、B(xB,yB) of the stratum line ln b、lnb+1 respectively, namely the surface intersection point of the invaded stratum fn.
(4) And calculating bottom intersection points C ', D' of the invaded rock formation fn according to the surface intersection points A, B, and the formation line core control points H ', I' and curve control points.
As shown in fig. 3, this step specifically includes:
(4-1) connecting point A, B, calculating the difference h between the AB abscissas;
(4-2) obtaining the midpoints E (x E,yE) of points C (x C,yC), D (x D,yD) and AB according to the following formula;
(4-3) respectively making vertical lines through points C, D, E, wherein the vertical lines respectively intersect with the bottom boundary line of the stratum at points C ', D', F, and the points C ', D' are bottom intersection points of the invaded stratum fn;
(4-4) obtaining a midpoint G of EF, and making a perpendicular line passing through the midpoint G to make AC 'at a point H and BD' at a point I respectively;
(4-5) obtaining a midpoint H 'of GH and a midpoint I' of GI, wherein the midpoint H 'and the midpoint I' are the core control points of formation lines penetrating into the rock stratum;
(4-6) calculating an invaded formation curve control point according to the inclination direction of the formation line of the invaded formation.
The steps (4-6) specifically comprise:
(4-6-1) connecting CC ', DD', CC ', DD' respectively crossing HI at point S, L;
(4-6-2) calculating midpoint P of point A, S and midpoint Q of point B, L;
(4-6-3) obtaining two formation lines ln b、lnb+1 corresponding to the invaded formation fn, and calculating the slope k 1 of the formation line ln b and the slope k 2 of the formation line ln b+1;
(4-6-4) if k 1 >0 and k 2 >0, then taking the midpoint P as the curve control point; if k 1 <0 and k 2 <0, then the midpoint Q is taken as the curve control point; if k 1 >0 and k 2 <0, then the midpoint P, Q is taken as the curve control point; if k 1 <0 and k 2 >0, then no curve control point exists. In this embodiment, only one curve control point Q exists for both invaded formations.
(5) And generating a pair of smooth invaded rock stratum inference stratum curves according to the surface intersection point, the bottom intersection point and the control point.
The method specifically comprises the following steps:
(5-1) if there are two curve control points P, Q, generating a smooth curve between points A, P, H ', C' and points B, Q, I ', D', respectively;
(5-2) if there is only one curve control point P, generating a smooth curve between points A, P, H ', C' and points B, I ', D', respectively; if only one curve control point Q exists, generating a smooth curve between points A, H ', C' and points B, Q, I ', D' respectively;
(5-3) if no curve control point exists, a smooth curve is generated between points A, H ', C' and points B, I ', D', respectively.
The method for generating the smooth curve among 4 points in the step (5-1) and the step (5-2) specifically comprises the following steps:
A. Sequentially connecting 4 points, and taking the middle two points as vertexes; for example, assuming that curves are generated between A, P, H ' and C ', A, P, H ' and C ' are connected sequentially with P, H ' as vertices;
B. setting the initial value of a parameter t to be 0, setting t E [0,1] and setting a fixed value Step as a Step length;
C. Update t=t+step;
D. obtaining the coordinates of the point U according to the following formula;
Wherein x *、y* represents the coordinates of the first point out of the 4 points, respectively; for example, assuming four points are A, P, H ', C', then points 1,2, 3, 4 are A, P, H ', C', respectively;
E. and C, returning to the execution step until all the U points are obtained, and connecting all the U points into a curve, namely a generated smooth curve.
The method for generating the smooth curve among 3 points in the step (5-2) and the step (5-3) specifically comprises the following steps:
A. Sequentially connecting 3 points, and taking the middle point as a vertex; for example, assuming that curves are generated between B, I ', D ', then B, I ', D ' are connected sequentially with I ' as the vertex;
B. setting the initial value of a parameter t to be 0, setting t E [0,1] and setting a fixed value Step as a Step length;
C. Update t=t+step;
D. obtaining the coordinates of the point U according to the following formula;
Wherein x *、y* represents the coordinates of the first point out of the 3 points, respectively; assuming that 3 points are B, I ', D', the 1 st, 2 nd, 3 rd points represent points B, I ', D', respectively;
E. and C, returning to the execution step until all the U points are obtained, and connecting all the U points into a curve, namely a generated smooth curve.
(6) And (3) to (5) are circularly executed until the traversal of the invaded stratum collection FN is completed, all the invaded stratum inferred stratum curves are obtained, and the invaded stratum inferred stratum curves are stored into the invaded stratum inferred stratum curve collection GL.
(7) And deducing a stratum curve set GL based on the invaded stratum, dividing the original stratum, merging and constructing the invaded stratum, and obtaining a model of the invaded structure.
The method specifically comprises the following steps:
(7-1) reading a pair of invaded formation-inferred formation curves GL p and GL p+1 from the invaded formation-inferred formation curve set GL;
(7-2) inferring formation curves gl p and gl p+1 from the invaded formation, segmenting the original formation face, as shown in fig. 4;
(7-3) obtaining a split formation level between the formation lines gl p and gl p+1 based on the graph-space relationship;
(7-4) merging all of the partitioned formation layers, constructing an invaded formation as modeled invaded formation formations;
(7-5) steps (7-1) - (7-4) are cyclically performed until the construction of all invasive constructions is completed. In this embodiment, an invaded formation in a constructed cut geological section is shown in FIG. 5.
The embodiment also provides a model construction device for the invasive structure in the cut geological section, which comprises a processor and a computer program stored in a memory and capable of running on the processor, wherein the processor realizes the method when executing the program.
The above disclosure is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (9)
1. A method of modeling an intrusion structure in a cut-to-earth geologic profile, the method comprising:
(1) Loading a stratum surface layer and a stratum line layer of the map cut geological section to obtain stratum code sets FD and stratum line sets LN of all stratum;
(2) Extracting an invaded stratum set FN according to stratum codes;
(3) Reading any invaded stratum FN from the invaded stratum set FN, and obtaining a surface intersection point A, B of the invaded stratum FN;
(4) Calculating bottom intersection points C ', D' of the invaded rock formation fn according to the surface intersection point A, B, and stratum line core control points H ', I' and curve control points;
(5) Generating a pair of smooth invaded rock stratum inference stratum curves according to the ground surface intersection point, the bottom intersection point and the control point;
(6) Circularly executing the steps (3) - (5) until the traversal of the invaded stratum collection FN is completed, obtaining all the invaded stratum inferred stratum curves, and storing the invaded stratum inferred stratum curves into the invaded stratum inferred stratum curve collection GL;
(7) Deducing a stratum curve set GL based on the invasive stratum, dividing an original stratum, merging and constructing the invasive stratum to obtain an invasive structural model;
wherein, step (5) specifically includes:
(5-1) if there are two curve control points P, Q, generating a smooth curve between points A, P, H ', C' and points B, Q, I ', D', respectively;
(5-2) if there is only one curve control point P, generating a smooth curve between points A, P, H ', C' and points B, I ', D', respectively; if only one curve control point Q exists, generating a smooth curve between points A, H ', C' and points B, Q, I ', D' respectively;
(5-3) if no curve control point exists, a smooth curve is generated between points A, H ', C' and points B, I ', D', respectively.
2. The method of modeling an intrusion structure in a cut geological section according to claim 1, wherein: the step (1) specifically comprises:
(1-1) loading a stratum surface layer and a stratum line layer of the cut geological section, obtaining codes of all stratum from the stratum surface layer and the stratum line layer, and storing the codes into a stratum code set fd= { f c |c=1, 2, …, fc }, wherein f c represents a c-th stratum code and fc represents the number of stratum codes;
(1-2) obtaining all formation lines, and sequentially storing a formation line set LN= { LN b |b=1, 2, …, fc-1} along the section line direction, wherein LN b represents a b-th formation line, and fc-1 represents the number of formation lines.
3. The method of modeling an intrusion structure in a cut geological section according to claim 1, wherein: the step (2) specifically comprises:
(2-1) constructing an invaded formation code table FC according to the legend of the geological map of the research area;
(2-2) ordering the formation codes in the formation code set FD from left to right along the section line direction;
(2-3) sequentially reading elements from the formation code set FD, and if the elements belong to the formation codes in the invaded formation code table FC, storing the elements into the invaded formation set FN until the elements are read out, so as to obtain the invaded formation set FN;
the step (3) specifically comprises:
(3-1) reading any of the invaded formations FN based on the invaded formation set FN;
(3-2) acquiring two stratum lines LN b、lnb+1 corresponding to the invaded stratum fn according to the stratum line set LN;
(3-3) extracting the first end point A (x A,yA)、B(xB,yB) of the stratum line ln b、lnb+1 respectively, namely the surface intersection point of the invaded stratum fn.
4. The method of modeling an intrusion structure in a cut geological section according to claim 1, wherein: the step (4) specifically comprises:
(4-1) connecting point A, B, calculating the difference h between the AB abscissas;
(4-2) obtaining the midpoints E (x E,yE) of points C (x C,yC), D (x D,yD) and AB according to the following formula;
(4-3) respectively making vertical lines through points C, D, E, wherein the vertical lines respectively intersect with the bottom boundary line of the stratum at points C ', D', F, and the points C ', D' are bottom intersection points of the invaded stratum fn;
(4-4) obtaining a midpoint G of EF, and making a perpendicular line passing through the midpoint G to make AC 'at a point H and BD' at a point I respectively;
(4-5) obtaining a midpoint H 'of GH and a midpoint I' of GI, wherein the midpoint H 'and the midpoint I' are the core control points of formation lines penetrating into the rock stratum;
(4-6) calculating an invaded formation curve control point according to the inclination direction of the formation line of the invaded formation.
5. The method for modeling an intrusion structure in a cut-to-map geological section according to claim 4, wherein: the steps (4-6) specifically comprise:
(4-6-1) connecting CC ', DD', CC ', DD' respectively crossing HI at point S, L;
(4-6-2) calculating midpoint P of point A, S and midpoint Q of point B, L;
(4-6-3) obtaining two formation lines ln b、lnb+1 corresponding to the invaded formation fn, and calculating the slope k 1 of the formation line ln b and the slope k 2 of the formation line ln b+1;
(4-6-4) if k 1 >0 and k 2 >0, then taking the midpoint P as the curve control point; if k 1 <0 and k 2 <0, then the midpoint Q is taken as the curve control point; if k 1 >0 and k 2 <0, then the midpoint P, Q is taken as the curve control point; if k 1 <0 and k 2 >0, then no curve control point exists.
6. The method of modeling an intrusion structure in a cut geological section according to claim 1, wherein: the method for generating the smooth curve between 4 points in the step (5-1) and the step (5-2) specifically comprises the following steps:
A. sequentially connecting 4 points, and taking the middle two points as vertexes;
B. setting the initial value of a parameter t to be 0, setting t E [0,1] and setting a fixed value Step as a Step length;
C. Update t=t+step;
D. obtaining the coordinates of the point U according to the following formula;
wherein x *、y* represents the coordinates of the first point out of the 4 points, respectively;
E. and C, returning to the execution step until all the U points are obtained, and connecting all the U points into a curve, namely a generated smooth curve.
7. The method of modeling an intrusion structure in a cut geological section according to claim 1, wherein: the method for generating the smooth curve between 3 points in the step (5-2) and the step (5-3) specifically comprises the following steps:
A. Sequentially connecting 3 points, and taking the middle point as a vertex;
B. setting the initial value of a parameter t to be 0, setting t E [0,1] and setting a fixed value Step as a Step length;
C. Update t=t+step;
D. obtaining the coordinates of the point U according to the following formula;
Wherein x *、y* represents the coordinates of the first point out of the 3 points, respectively;
E. and C, returning to the execution step until all the U points are obtained, and connecting all the U points into a curve, namely a generated smooth curve.
8. The method of modeling an intrusion structure in a cut geological section according to claim 1, wherein: the step (7) specifically comprises:
(7-1) reading a pair of invaded formation-inferred formation curves GL p and GL p+1 from the invaded formation-inferred formation curve set GL;
(7-2) deriving formation curves gl p and gl p+1 from the invaded formation, segmenting the original formation level;
(7-3) obtaining a split formation level between the formation lines gl p and gl p+1 based on the graph-space relationship;
(7-4) merging all of the partitioned formation layers, constructing an invaded formation as modeled invaded formation formations;
(7-5) steps (7-1) - (7-4) are cyclically performed until the construction of all invasive constructions is completed.
9. A model construction device for an intrusion structure in a cut-to-earth geologic profile, comprising a processor and a computer program stored on a memory and executable on the processor, characterized by: the processor, when executing the program, implements the method of any one of claims 1-8.
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| CN113326606B (en) * | 2021-05-08 | 2023-08-15 | 北京金阳普泰石油技术股份有限公司 | Control line-based stratum structure fluctuation characterization processing method and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107767429A (en) * | 2016-08-18 | 2018-03-06 | 阿里巴巴集团控股有限公司 | Curve generation method and equipment |
| CN110163965A (en) * | 2019-05-07 | 2019-08-23 | 南京泛在地理信息产业研究院有限公司 | A kind of solid threedimensional model building method of monoclinal strate tectonic landform |
| CN110910495A (en) * | 2019-10-30 | 2020-03-24 | 南京泛在地理信息产业研究院有限公司 | Three-dimensional geometric form recovery method for dome structure |
| CN111174790A (en) * | 2019-12-03 | 2020-05-19 | 河海大学 | Method for forming topographic profile tracking path |
-
2020
- 2020-10-26 CN CN202011154215.0A patent/CN112581558B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107767429A (en) * | 2016-08-18 | 2018-03-06 | 阿里巴巴集团控股有限公司 | Curve generation method and equipment |
| CN110163965A (en) * | 2019-05-07 | 2019-08-23 | 南京泛在地理信息产业研究院有限公司 | A kind of solid threedimensional model building method of monoclinal strate tectonic landform |
| CN110910495A (en) * | 2019-10-30 | 2020-03-24 | 南京泛在地理信息产业研究院有限公司 | Three-dimensional geometric form recovery method for dome structure |
| CN111174790A (en) * | 2019-12-03 | 2020-05-19 | 河海大学 | Method for forming topographic profile tracking path |
Non-Patent Citations (1)
| Title |
|---|
| 基于MapGIS的图切地质剖面系统面向对象设计与实现;陈志军，等;《地质学刊》;20120928;第36卷(第3期);257 * |
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