CN112884865A - High-precision exploration line profile topographic line compiling and drawing method for manganese ore - Google Patents
High-precision exploration line profile topographic line compiling and drawing method for manganese ore Download PDFInfo
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Abstract
A high-precision exploration line profile topographic line drawing method for manganese ore comprises the steps of firstly obtaining exploration line data according to mineral exploration measurement data, and then obtaining drilling data according to drilling records; secondly, taking the horizontal distance and the elevation of the measuring points with non-space coordinates as x coordinates and y coordinates; making a perpendicular line from a measuring point of the space coordinate to a corresponding exploration line, and taking the distance from a foot to the starting point of the exploration line and the height of the measuring point as an x coordinate and a y coordinate; then making perpendicular lines from the drill holes on the exploration lines to the corresponding exploration lines, taking the distance from the foothold to the starting point of the exploration lines and the height of the measuring points as x coordinates and y coordinates, and finally sequentially connecting all the measuring points on the drawing frame according to the size sequence of the x coordinates to carry out smoothing treatment; the method converts space coordinates, namely three-dimensional coordinates, into plane coordinates, namely two-dimensional coordinates, is suitable for various data structures, and simultaneously processes the drill holes on the exploration lines, so that the accuracy of the sectional view is high and the sectional view conforms to the actual terrain.
Description
Technical Field
The invention relates to a high-precision exploration line profile topographic line compiling and drawing method for manganese ore, and belongs to the field of drawing of manganese ore geological maps.
Background
The existing manganese ore geological profile topographic line or the existing manganese ore geological profile topographic line is manually drawn by utilizing mineral exploration measurement data, or a topographic line data is obtained by a map cutting profile, or a topographic line is fitted by utilizing a drill hole orifice elevation (including nearby drill holes), and the methods have more defects:
(1) when the measured point data and the deviation exploration line are obtained, if the obtained measured point data is a spatial coordinate, the position of the measured point in the profile is not easy to determine;
(2) when the drill hole deviates from the exploration line, the position of the drill hole on the section diagram is not easy to determine;
(3) the pattern cutting section mode and the mode of utilizing the elevation of the drill hole are not high in precision and have errors with the actual terrain.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a method for drawing a topographic line of a high-precision survey line sectional view of manganese ore.
The technical scheme for achieving the aim of the invention is that the method for compiling the topographic line of the high-precision exploration line profile of the manganese ore at least comprises the following steps:
(1) acquiring exploration line data according to mineral exploration measurement data, inputting the exploration line data into a data table in a classified mode, and storing the data table into a database;
(2) acquiring drilling data according to the drilling record, inputting the drilling data into a data table in a classified manner, and storing the data table into a database;
(3) drawing a specification according to a manganese ore profile, and designing a drawing frame style;
(4) judging whether the data form of the measuring points in the exploration line is a space coordinate, if the data form is not the space coordinate, but a horizontal distance and an elevation, putting the measuring points into a drawing frame in a mode that a horizontal distance value is used as an x coordinate and an elevation value is used as a y coordinate; if the data form is a space coordinate, obtaining an x coordinate x4 and a y coordinate y4 of a foot of the measuring point on the exploration line according to the following formula;
in the formula: x1 is the x coordinate of the starting point of the exploration line, y1 is the y coordinate of the starting point of the exploration line, x2 is the x coordinate of the ending point of the exploration line, y2 is the y coordinate of the ending point of the exploration line, x3 is the x coordinate of the measuring point, and y3 is the y coordinate of the measuring point;
calculating a flat distance X according to the coordinates X4 and y4 of the vertical foot point and the coordinates X1 and y1 of the starting point of the exploration line according to the following formula;
in the formula: x1 is the x coordinate of the starting point of the exploration line, y1 is the y coordinate of the starting point of the exploration line, x4 is the x coordinate of the drop-foot point, and y4 is the y coordinate of the drop-foot point;
placing the measuring points into a picture frame according to a mode that a horizontal distance value X is used as an X coordinate and a z coordinate value of the measuring points is used as a y coordinate;
(5) processing all the measuring points by repeating the step (4);
(6) determining whether the borehole is located on the survey line by the formula:
wherein x1 is the x coordinate of the starting point of the exploration wire, y1 is the y coordinate of the starting point of the exploration wire, x2 is the x coordinate of the ending point of the exploration wire, and y2 is the y coordinate of the ending point of the exploration wire; d is the distance from the borehole to the exploration line; x5 is the x coordinate of the borehole, y5 is the y coordinate of the borehole;
when d is 0, the borehole is positioned on the exploration line, the x coordinate x5 and the y coordinate y5 of the borehole replace the x coordinate x3 of the measuring point, the y coordinate y3 of the measuring point calculates the horizontal distance of the borehole according to the formula in the step (4), the horizontal distance of the borehole is taken as the x coordinate, and the elevation data of the borehole is taken as the y coordinate, and the borehole is placed in the picture frame;
(7) sequentially connecting all measuring points on the drawing frame according to the sequence of the x coordinate from small to large to obtain a terrain line;
(8) and smoothing the terrain line to make the terrain line closer to a natural surface curve.
The technical scheme is further improved as follows: the mineral exploration measurement data in the step (1) comprise actually-measured terrain line data, main geological boundary line position data, exploration area numbers, exploration line numbers, measuring point data, geological codes, rock names, ground particles, boundary line types, azimuth angles, inclination angles and remarks.
And the smoothing treatment method in the step (8) is a cubic spline interpolation method.
The invention has the beneficial effects that:
1. the method can form a picture by using a computer, and has higher working efficiency;
2. the method converts the space coordinate, namely the three-dimensional coordinate, into the plane coordinate, namely the two-dimensional coordinate, thereby being suitable for various data structures; the applicability is strong.
3. The method inspects the position of the drill hole through the distance from the drill hole to the exploration line, processes the drill hole which is not on the exploration line, and enables the accuracy of the profile map to be high and to be in line with the actual terrain.
Drawings
FIG. 1 is a cross-section topographic line which is drawn by the high-precision exploration line cross-section topographic line drawing method for manganese ore.
Detailed Description
The present invention will be described in detail with reference to fig. 1 and examples, but the present invention is not limited to the examples.
A high-precision exploration line profile topographic line drawing method for manganese ore at least comprises the following steps:
acquiring exploration line data according to mineral exploration measurement data, inputting the exploration line data into a data table in a classified mode, and storing the data table into a database, wherein the mineral exploration measurement data comprise actual measurement terrain line data, main geological boundary line position data, exploration area numbers, exploration line numbers, measuring point data, geological codes, rock names, geological points, boundary line types, azimuth angles, inclination angles and remarks;
acquiring drilling data according to the drilling record, inputting the drilling data into a data table in a classified manner, and storing the data table into a database;
drawing a specification according to a manganese ore profile, designing a pattern frame style, and referring to a specification drawing (2009) of a solid mineral exploration geological map;
judging whether the data form of the measuring points in the exploration line is a space coordinate, if the data form is not the space coordinate, but a horizontal distance and an elevation, putting the measuring points into a drawing frame in a mode that a horizontal distance value is used as an x coordinate and an elevation value is used as a y coordinate; if the data form is a space coordinate, obtaining an x coordinate x4 and a y coordinate y4 of a foot of the measuring point on the exploration line according to the following formula;
in the formula: x1 is the x coordinate of the starting point of the exploration line, y1 is the y coordinate of the starting point of the exploration line, x2 is the x coordinate of the ending point of the exploration line, y2 is the y coordinate of the ending point of the exploration line, x3 is the x coordinate of the measuring point, and y3 is the y coordinate of the measuring point;
calculating a flat distance X according to the coordinates X4 and y4 of the vertical foot point and the coordinates X1 and y1 of the starting point of the exploration line according to the following formula;
in the formula: x1 is the x coordinate of the starting point of the exploration line, y1 is the y coordinate of the starting point of the exploration line, x4 is the x coordinate of the drop-foot point, and y4 is the y coordinate of the drop-foot point;
placing the measuring points into a picture frame according to a mode that a horizontal distance value X is used as an X coordinate and a z coordinate value of the measuring points is used as a y coordinate;
repeating the steps until all the measuring points are processed;
the method uses the x coordinate and the y coordinate of an exploration line, namely a starting point and a terminal point, as a projection straight line, calculates the foot coordinate from a measuring point to the straight line, then calculates the distance from the foot point to the starting point of the exploration line, uses the calculated distance as the x coordinate and the z coordinate value of the measuring point as the y coordinate, thereby completing the conversion from a space coordinate, namely a three-dimensional coordinate, to a plane coordinate, namely a two-dimensional coordinate
Determining whether the borehole is located on the survey line by the formula:
wherein x1 is the x coordinate of the starting point of the exploration wire, y1 is the y coordinate of the starting point of the exploration wire, x2 is the x coordinate of the ending point of the exploration wire, and y2 is the y coordinate of the ending point of the exploration wire; d is the distance from the borehole to the exploration line; x5 is the x coordinate of the borehole, y5 is the y coordinate of the borehole;
when d is 0, the borehole is on the exploration line, the x coordinate x5 and the y coordinate y5 of the borehole replace the x coordinate x3 of the measuring point, the y coordinate y3 of the measuring point calculates the borehole horizontal distance according to the formula in the step, the borehole horizontal distance is used as the x coordinate, the borehole elevation data is used as the y coordinate, and the borehole is placed in the drawing frame;
the method utilizes a formula from a point on a plane to a straight line to calculate the distance between a drill hole and an exploration line, namely the x coordinate and the y coordinate of a starting point and an end point, so as to judge whether the drill hole is positioned on the exploration line, and if the drill hole is positioned on the exploration line, the conversion from a drill hole coordinate, namely a three-dimensional coordinate to a plane coordinate, namely a two-dimensional coordinate is completed according to the space coordinate conversion method.
Referring to fig. 1, all measuring points on the drawing frame are sequentially connected according to the sequence of the x coordinate from small to large to obtain a terrain line; and smoothing the topographic line by adopting a cubic spline interpolation method to enable the topographic line to be closer to a natural surface curve.
Claims (3)
1. A high-precision exploration line profile topographic line drawing method for manganese ore is characterized by at least comprising the following steps:
(1) acquiring exploration line data according to mineral exploration measurement data, inputting the exploration line data into a data table in a classified mode, and storing the data table into a database;
(2) acquiring drilling data according to the drilling record, inputting the drilling data into a data table in a classified manner, and storing the data table into a database;
(3) drawing a specification according to a manganese ore profile, and designing a drawing frame style;
(4) judging whether the data form of the measuring points in the exploration line is a space coordinate, if the data form is not the space coordinate, but a horizontal distance and an elevation, putting the measuring points into a drawing frame in a mode that a horizontal distance value is used as an x coordinate and an elevation value is used as a y coordinate; if the data form is a space coordinate, obtaining an x coordinate x4 and a y coordinate y4 of a foot of the measuring point on the exploration line according to the following formula;
in the formula: x1 is the x coordinate of the starting point of the exploration line, y1 is the y coordinate of the starting point of the exploration line, x2 is the x coordinate of the ending point of the exploration line, y2 is the y coordinate of the ending point of the exploration line, x3 is the x coordinate of the measuring point, and y3 is the y coordinate of the measuring point;
calculating a flat distance X according to the coordinates X4 and y4 of the vertical foot point and the coordinates X1 and y1 of the starting point of the exploration line according to the following formula;
in the formula: x1 is the x coordinate of the starting point of the exploration line, y1 is the y coordinate of the starting point of the exploration line, x4 is the x coordinate of the drop-foot point, and y4 is the y coordinate of the drop-foot point;
placing the measuring points into a picture frame according to a mode that a horizontal distance value X is used as an X coordinate and a z coordinate value of the measuring points is used as a y coordinate;
(5) processing all the measuring points by repeating the step (4);
(6) determining whether the borehole is located on the survey line by the formula:
wherein x1 is the x coordinate of the starting point of the exploration wire, y1 is the y coordinate of the starting point of the exploration wire, x2 is the x coordinate of the ending point of the exploration wire, and y2 is the y coordinate of the ending point of the exploration wire; d is the distance from the borehole to the exploration line; x5 is the x coordinate of the borehole, y5 is the y coordinate of the borehole;
when d is 0, the borehole is positioned on the exploration line, the x coordinate x5 and the y coordinate y5 of the borehole replace the x coordinate x3 of the measuring point, the y coordinate y3 of the measuring point calculates the horizontal distance of the borehole according to the formula in the step (4), the horizontal distance of the borehole is taken as the x coordinate, and the elevation data of the borehole is taken as the y coordinate, and the borehole is placed in the picture frame;
(7) sequentially connecting all measuring points on the drawing frame according to the sequence of the x coordinates from small to large to obtain a terrain line;
(8) and smoothing the terrain line to make the terrain line closer to a natural surface curve.
2. The high-precision exploration line profile topographical line drawing method for manganese ore according to claim 1, characterized in that: the mineral exploration measurement data in the step (1) comprise actually-measured terrain line data, main geological boundary line position data, exploration area numbers, exploration line numbers, measuring point data, geological codes, rock names, ground particles, boundary line types, azimuth angles, inclination angles and remarks.
3. The high-precision exploration line profile topographical line drawing method for manganese ore according to claim 1, characterized in that: and (4) the smoothing treatment method in the step (8) is a cubic spline interpolation method.
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| CN108898670A (en) * | 2018-07-26 | 2018-11-27 | 广州图石科技有限公司 | A kind of three-dimensional geological modeling method based on entity and section |
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