KR101625959B1 - Apparatus and method for calculating inclination, and apparatus and method for calculating slope inclination using the same - Google Patents

Abstract

The present invention relates to an apparatus and a method for calculating an inclination, and an apparatus and a method for calculating a slop inclination using the same. According to an embodiment of the present invention, the apparatus for calculating an inclination includes: an information acquisition unit acquiring height information of a reference point and peripheral points located around the reference point; and an inclination calculation unit calculating an inclination of the reference point by using the height information of the reference point and the peripheral points. The apparatus can calculate the inclination rationally and objectively.

Description

BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to an apparatus and a method for calculating an inclination and a slope inclination calculating apparatus using the same,

The present invention relates to an apparatus and method for calculating an inclination, and an apparatus and a method for calculating an inclination of a slope using the apparatus and method.

Slope slope is a very important factor in the design of structures and stability of slopes. Especially, in Korea, where mountains, hills, and slopes are many, the slope breaks down every year. In this regard, a device and a method that can reasonably calculate the slope of slope have not been proposed to date. In addition, there is a possibility that the subjective judgment of the designer may intervene in the process of obtaining the inclination of the slope, thereby causing the problem that the slope of the slope can not be obtained objectively and reasonably.

It is an object of the present invention to provide an apparatus and method for calculating an inclination.

An apparatus for calculating an inclination according to an embodiment of the present invention includes an information obtaining unit for obtaining height information of a reference point and surrounding points located around the reference point; And an inclination calculation unit for calculating an inclination of the reference point using the height information of the reference point and the surrounding points.

The information obtaining unit may select the reference point and the surrounding points among a plurality of points uniformly distributed in a predetermined area.

The information obtaining unit may select the reference point among the plurality of points and select the 12 surrounding points in order from the reference point.

The inclination calculation unit may calculate an inclination of the reference point based on height information of the reference point and the surrounding points and calculate an inclination of the reference point based on the inclination with respect to the plurality of directions .

The inclination calculator calculates inclination of the reference point and the surrounding points on the horizontal plane projected in the vertical direction with respect to the reference point in the right-left direction, the upper-left-lower direction, the upper-lower direction and the upper left- .

를 계산하고, 여기서, df_{i ,j,1}, df_{i ,j,2}, df_{i ,j,3} 및 df_{i ,j,4}는 각각 상기 우-좌 방향, 상기 우상-좌하 방향, 상기 상-하 방향 및 상기 좌상-우하 방향에 대한 경사도이며, f_{i ,j}는 상기 기준 지점의 높이이고, f_{i ,j+1}, f_{i ,j-1}, f_{i -1,j} 및 f_{i +1,j}는 상기 수평면 상에서 상기 기준 지점을 중심으로 각각 상 방향, 하 방향, 좌 방향 및 우 방향에 위치하는 주변 지점들의 높이이고, f_{i -1,j+1}, f_{i +1,j+1}, f_{i -1,j-1} 및 f_{i +1,j-1}은 상기 수평면 상에서 상기 기준 지점을 중심으로 각각 좌상 방향, 우상 방향, 좌하 방향 및 우하 방향에 위치하는 주변 지점들의 높이이고, f_{i ,j+2}는 상기 수평면 상에서 높이가 f_{i ,j+1}인 주변 지점으로부터 상 방향에 위치하는 주변 지점의 높이이고, f_{i ,j-2}는 상기 수평면 상에서 높이가 f_i,j-1인 주변 지점으로부터 하 방향에 위치하는 주변 지점의 높이이고, f_{i -2,j}는 상기 수평면 상에서 높이가 f_{i -1,j}인 주변 지점으로부터 좌 방향에 위치하는 주변 지점의 높이이고, f_{i +2,j}는 상기 수평면 상에서 높이가 f_{i +1,j}인 주변 지점으로부터 우 방향에 위치하는 주변 지점의 높이이며, α 및 β는 기 설정된 계수들이며, d는 상기 기준 지점과 상기 주변 지점들 서로 간의 간격일 수 있다.The inclination calculation unit may calculate the inclination degree of each of the plurality of directions at the reference point,

The calculation, where, df _{i, j, 1,} df _{i, j, 2,} df _{i, j, 3} and df _{i, j, 4} are each of the right-left direction, the upper right-lower left direction, and the phase- downward direction, and the upper left-lower right direction and inclination of the, f _{i, j} is the height of the reference point, f _{i, j + 1,} f _{i, j-1, i} f _{-1, j} and f _{i +1 j} is the height of the surrounding points located in the upward direction, the downward direction, the left direction and the right direction respectively on the horizontal plane, and f _{i -1, j + 1} , f _{i + 1, j + 1} , f _{i -1, j-1} and f _{i + 1, j-1} are the heights of surrounding points located in the upper left, upper right, lower left and lower right directions respectively on the horizontal plane with respect to the reference point, f _{i, j + 2} is the height of the peripheral point positioned on the direction from f _i, close to the point of _{j + 1} is the height on the horizontal _plane, f _{i, j-2} is the height on the level surface f _{i, j-1} The peripheral edge located in the downward direction from the peripheral point F _{i -2, j} is the height of the peripheral point located leftward from the peripheral point whose height is f _{i -1, j} on the horizontal plane, and f _{i + 2, j} is the height of the point on the horizontal plane is a height of a peripheral point located rightward from a peripheral point f _{i + 1, j} ,? and? are predetermined coefficients, and d may be a distance between the reference point and the surrounding points.

The inclination calculator may calculate a maximum value among the absolute values of the inclination angles with respect to the plurality of directions as the inclination of the reference point.

According to an embodiment of the present invention, there is provided a method of calculating an inclination, comprising: obtaining height information of a reference point and surrounding points located around the reference point; And estimating an inclination of the reference point using the height information of the reference point and the surrounding points.

The step of obtaining the height information may include: selecting the reference point and the surrounding points among a plurality of points uniformly distributed in a predetermined area.

Wherein the selecting of the reference point and the neighboring points comprises: selecting the reference point among the plurality of points; And selecting twelve surrounding points in order from the reference point out of the plurality of points.

The step of calculating the inclination of the reference point may include: calculating an inclination with respect to a plurality of directions at the reference point using height information of the reference point and the surrounding points; And estimating an inclination of the reference point based on the inclination with respect to the plurality of directions.

Wherein the step of calculating the inclination with respect to the plurality of directions comprises the steps of: calculating a slope with respect to the plurality of directions, wherein: the reference point and the peripheral points are horizontally projected in a vertical direction; - calculating the slope with respect to the downward direction.

를 계산하는 단계를 포함하고, 여기서, df_{i ,j,1}, df_{i ,j,2}, df_{i ,j,3} 및 df_{i ,j,4}는 각각 상기 우-좌 방향, 상기 우상-좌하 방향, 상기 상-하 방향 및 상기 좌상-우하 방향에 대한 경사도이며, f_{i ,j}는 상기 기준 지점의 높이이고, f_{i ,j+1}, f_{i ,j-1}, f_{i -1,j} 및 f_{i +1,j}는 상기 수평면 상에서 상기 기준 지점을 중심으로 각각 상 방향, 하 방향, 좌 방향 및 우 방향에 위치하는 주변 지점들의 높이이고, f_{i -1,j+1}, f_{i +1,j+1}, f_{i -1,j-1} 및 f_{i +1,j-1}은 상기 수평면 상에서 상기 기준 지점을 중심으로 각각 좌상 방향, 우상 방향, 좌하 방향 및 우하 방향에 위치하는 주변 지점들의 높이이고, f_{i ,j+2}는 상기 수평면 상에서 높이가 f_{i ,j+1}인 주변 지점으로부터 상 방향에 위치하는 주변 지점의 높이이고, f_{i ,j-2}는 상기 수평면 상에서 높이가 f_{i ,j-1}인 주변 지점으로부터 하 방향에 위치하는 주변 지점의 높이이고, f_{i -2,j}는 상기 수평면 상에서 높이가 f_{i -1,j}인 주변 지점으로부터 좌 방향에 위치하는 주변 지점의 높이이고, f_{i +2,j}는 상기 수평면 상에서 높이가 f_{i +1,j}인 주변 지점으로부터 우 방향에 위치하는 주변 지점의 높이이며, α 및 β는 기 설정된 계수들이며, d는 상기 기준 지점과 상기 주변 지점들 서로 간의 간격일 수 있다.The step of calculating the slope with respect to the right-left direction, the upper-left-lower direction, the upper-lower direction and the upper-right-lower direction includes:

Wherein df _{i , j, 1} , df _{i , j, 2} , df _{i , j, 3} and df _{i , j, 4} are calculated in the right- , the phase-down direction and the upper left-lower right direction and inclination of the, f _{i, j} is the height of the reference point, f _{i, j + 1,} f _{i, j-1, i} f _{-1, j,} and f _{i + 1, j} is the height of the neighboring point which is located in each of the directions with respect to the reference point on the horizontal plane, lower direction, the left and right direction, _i f _{-1, j + 1,} f _{i +1 , j + 1} , f _{i -1, j-1,} and f _{i + 1, j-1} are located on the horizontal plane in the upper left, upper right, lower left, F _{i , j + 2} is a height of a peripheral point located upward from a peripheral point whose height is f _{i , j + 1} on the horizontal plane, and f _{i , j-2} is a height of f _{i ,} downward from the vicinity of _j-1 And the height of the location close to the point _where, f _{i -2, j} is the height of the peripheral point at which the height position on the horizontal plane in the left direction from a peripheral point of the _{i -1 f, j,} f _{i + 2, j} are the horizontal plane The height of the surrounding point located on the right from the surrounding point having the height f _{i + 1, j} , where α and β are predetermined coefficients, and d may be a distance between the reference point and the surrounding points.

The step of calculating the inclination of the reference point based on the inclination with respect to the plurality of directions may include: calculating a maximum value among the absolute values of the inclination with respect to the plurality of directions as the inclination of the reference point.

The slope inclination calculating apparatus according to an embodiment of the present invention includes an information obtaining unit that obtains height information of a plurality of reference points within a predetermined area on a slope and surrounding points located around each reference point; An inclination angle calculating unit for calculating an angle of inclination of each reference point using height information of the reference points and the surrounding points; And a slope inclination calculator for calculating a slope inclination by statistically processing the slopes of the reference points.

The information obtaining unit may include: an electronic map or a database including information on the slope; And survey data obtained by surveying the slope; The height information of the points from at least one of the points.

A slope inclination calculating method according to an embodiment of the present invention includes: obtaining height information of a plurality of reference points within a predetermined area located on a slope and surrounding points located around each reference point; Calculating an inclination of each of the reference points using the height information of the reference points and the surrounding points; And calculating a slope inclination by statistically processing the slopes of the reference points.

The step of obtaining the height information may include: an electronic map or a database including information on the slope; And survey data obtained by surveying the slope; And obtaining height information of the points from at least one of the points.

The slope calculating method or slope slope calculating method according to the embodiment of the present invention may be implemented by a computer-executable program and recorded on a computer-readable recording medium.

The slope calculating method or the slope inclination calculating method according to the embodiment of the present invention can be implemented by a computer program stored in the medium for execution in combination with the computer.

According to the embodiment of the present invention, the inclination can be calculated rationally and objectively.

According to the embodiment of the present invention, the safety of the slope can be improved by more reasonably calculating the slope of the slope.

1 is an exemplary block diagram of an apparatus for calculating an inclination according to an embodiment of the present invention.
2 is an exemplary diagram illustrating a process of selecting a reference point and a surrounding point according to an embodiment of the present invention.
FIGS. 3 to 6 are exemplary diagrams for explaining a process of calculating an inclination for a plurality of directions at a reference point according to an embodiment of the present invention.
FIG. 7 is an example for calculating the inclination of a reference point according to an embodiment of the present invention.
FIG. 8 is a graph in which gradients of reference points in an area are arranged in order of magnitude according to an embodiment of the present invention.
FIG. 9 is an example of a frequency distribution diagram showing a frequency distribution of inclination of reference points in a region according to an embodiment of the present invention. FIG.
10 is an exemplary flowchart of an inclination calculation method according to an embodiment of the present invention.

Other advantages and features of the present invention and methods for accomplishing the same will be apparent from the following detailed description of embodiments thereof taken in conjunction with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims.

Unless defined otherwise, all terms (including technical or scientific terms) used herein have the same meaning as commonly accepted by the generic art in the prior art to which this invention belongs. Terms defined by generic dictionaries may be interpreted to have the same meaning as in the related art and / or in the text of this application, and may be conceptualized or overly formalized, even if not expressly defined herein I will not.

The terminology used herein is for the purpose of illustrating embodiments and is not intended to be limiting of the present invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. As used herein, the terms' comprise 'and / or various forms of use of the verb include, for example,' including, '' including, '' including, '' including, Steps, operations, and / or elements do not preclude the presence or addition of one or more other compositions, components, components, steps, operations, and / or components. The term 'and / or' as used herein refers to each of the listed configurations or various combinations thereof.

It should be noted that the terms such as '~', '~ period', '~ block', 'module', etc. used in the entire specification may mean a unit for processing at least one function or operation. For example, a hardware component, such as a software, FPGA, or ASIC. However, '~ part', '~ period', '~ block', '~ module' are not meant to be limited to software or hardware. Modules may be configured to be addressable storage media and may be configured to play one or more processors. ≪ RTI ID = 0.0 >

Thus, by way of example, the terms 'to', 'to', 'to block', 'to module' refer to components such as software components, object oriented software components, class components and task components Microcode, circuitry, data, databases, data structures, tables, arrays, and the like, as well as components, Variables. The functions provided in the components and in the sections ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ' , '~', '~', '~', '~', And '~' modules with additional components.

1 is an exemplary block diagram of an inclination calculation apparatus 100 according to an embodiment of the present invention.

1, the inclination calculating apparatus 100 may include an information obtaining unit 111 and a tilt calculating unit 112. [

The information obtaining unit 111 may obtain height information of surrounding points located around the reference point and the reference point. The inclination calculation unit 112 may calculate the inclination of the reference point using the height information of the reference point and the surrounding points.

The information obtaining unit 111 may obtain height information of a reference point located within a predetermined area and surrounding points located around the reference point.

2 is an exemplary diagram illustrating a process of selecting a reference point and a surrounding point according to an embodiment of the present invention.

According to an embodiment of the present invention, the information obtaining unit 111 may select the reference point and the surrounding points among a plurality of points uniformly distributed within a predetermined area.

The region may be a circular region 20 having a predetermined radius centered on a predetermined point (C). However, the shape and size of the region 20 are not limited thereto, and may be variously set according to the embodiment.

The information obtaining unit 111 may select the reference point and the surrounding points among a plurality of points uniformly distributed in the region 20. [

For example, referring to FIG. 2, the region 20 may be uniformly partitioned by a grating having a predetermined size, and the information obtaining portion 111 may be formed by gratings formed in the region 20 It is possible to select the reference point R and its peripheral points P among the joints.

The information obtaining unit 111 may select a reference point R among the plurality of points and may select a predetermined number of neighboring points P from the reference point R in the nearest order.

According to an embodiment of the present invention, the information obtaining unit 111 selects the reference point R among the plurality of points, and then selects the 12 neighboring points P in order from the reference point R, Can be selected. However, the number of the peripheral points P is not limited thereto, and may be more or less depending on the embodiment.

The information obtaining unit 111 obtains the reference point R from at least one of a digital map or database of the area 20, a digital elevation model (DEM), and survey data obtained by measuring the area 20 ) And the height information of the peripheral points (P). The measurement data may be data obtained using at least one of a ground survey, a GPS survey, an aerial photogrammetry, a radar survey and a LiDAR survey, but the survey method for obtaining the survey data is not limited thereto .

According to an embodiment, the inclination calculation apparatus 100 may further include a storage unit 12. The storage unit 12 may store height information for a plurality of points in the area 20. [ In this case, the information obtaining unit 112 may obtain the height information of the reference point R and the surrounding points P by calling information stored in the storage unit 12. [

According to another embodiment, the inclination calculation apparatus 100 may further include a communication unit 10. The communication unit 10 can access a server providing geographical information on a plurality of points in the area 20. [

For example, as shown in FIG. 1, the communication unit 10 may be connected to a server 200, for example, a geographic information system (GIS) that provides geographic information through a wired or wireless network, The controller 111 may obtain the height information of the reference point R and the surrounding points P from the server 200. [

The inclination calculation apparatus 100 may further include an input unit 13 and the height information of the reference point R and the surrounding points P may be input to the input unit 13 through the input unit 13, As shown in FIG.

The slope angle calculation unit 112 may calculate the slope of the reference point R using the height information of the reference point R and the surrounding points P. [

According to an embodiment of the present invention, the tilt angle calculating unit 112 calculates the tilt of the reference point R in a plurality of directions using the height information of the reference point R and the surrounding points P And calculate an inclination of the reference point R based on the inclination with respect to the plurality of directions.

FIGS. 3 to 6 are exemplary diagrams illustrating a process of calculating an inclination for a plurality of directions at a reference point R according to an embodiment of the present invention.

In FIG. 2, the reference point R and the surrounding points P are indicated by dots. For convenience of explanation, the reference point R and the peripheral points P in FIGS. 3 to 6 are square Respectively. 3 to 6, the peripheral points P are selected as the nearest 12 points P1 to P12 at the reference point R. [ In addition, f in the square brackets for each point represents the height of the point.

According to an embodiment of the present invention, the inclination angle calculation unit 112 may calculate the inclination angle of the reference point R and the surrounding points P1 to P12 around the reference point R on a horizontal plane projected in the vertical direction Right-down direction, left-right direction, right-left direction, upper-right-lower direction, up-down direction and upper left-lower right direction.

For example, referring to FIG. 3, the slope angle calculation unit 112 calculates the slope angle using the height information of P3 to P8 among the peripheral points P1 to P12, The slope for the direction (k = 1) can be calculated. According to this embodiment, the slope angle calculating unit 112 can calculate the slope df _{i , j, 1} with respect to the right-left direction according to the following equation.

4, the inclination angle calculation unit 112 uses the height information of P6, P7, and P9 to P12 among the peripheral points P1 to P12, - It is possible to calculate the slope with respect to the lower left direction (k = 2). According to this embodiment, the slope angle calculation unit 112 can calculate the slope df _{i , j, 2} with respect to the right-upper-left direction according to the following equation.

5, the inclination angle calculation unit 112 may calculate the inclination angle based on the height information of P1, P2, and P5 to P8 among the peripheral points P1 to P12, - The slope for the downward direction (k = 3) can be calculated. According to this embodiment, the slope angle calculating unit 112 can calculate the slope df _{i , j, 3} with respect to the up-down direction according to the following equation.

6, the inclination angle calculation unit 112 calculates the inclination angle using the height information of P5 and P8 to P12 among the peripheral points P1 to P12, Direction (k = 4). According to this embodiment, the slope angle calculation unit 112 can calculate the slope df _{i , j, 4} with respect to the left-upper-right direction according to the following equation.

In the above Equations 2 to 5,? And? Are preset coefficients, and d is the interval between the reference point R and the surrounding points P1 to P12 (i.e., the length of one side of the lattice in FIG. 2) .

As described above, the inclination calculation unit 112 may use the same height information of the points in each direction in calculating the inclination for the plurality of directions (k = 1 to 4). In the equations (2) to (5), the inclination with respect to each direction was calculated using the height information of a total of six surrounding points.

According to one embodiment of the present invention, the coefficient alpha is a predetermined positive real number, and the coefficient beta may be a predetermined positive real number or zero.

Then, the slope angle calculating unit 112 may calculate the slope of the reference point R based on the slopes with respect to the plurality of directions (k = 1 to 4).

According to an embodiment of the present invention, the inclination angle calculation unit 112 may calculate the maximum value among the absolute values of the inclination degrees for the plurality of directions (k = 1 to 4) by using the inclination of the reference point R have. According to this embodiment, the slope angle calculating unit 112 may calculate the slope S _{i , j} of the reference point R from the slopes with respect to the plurality of directions according to the following equation.

In the above embodiment, the inclination degree for four directions (k = 1 to 4) is calculated around the reference point R, and the inclination degree of the reference point R is calculated based on the inclination degree. However, The inclination degree of the reference point R may be calculated based on the inclination degree of three or more directions.

FIG. 7 is an example for calculating the inclination of a reference point according to an embodiment of the present invention.

According to the embodiment of the present invention described above, the inclination of the reference point R is calculated from points having heights as shown in Fig.

When the coefficients alpha and beta are set to 1 and 0 respectively, the inclination degrees df _{i, j, 1} for the right-left direction, the upper right-lower left direction, the upper-lower direction and the upper left- , df _{i , j, 2} , df _{i , j, 3} and df _{i , j, 4} and the slope S _{i, j} of the reference point R calculated based thereon are as follows.

When the coefficients alpha and beta are set to 2 and 1, the inclination degrees df _{i , j, 1} for the right-left direction, the upper right-lower left direction, the upper-lower direction and the upper left- , df _{i, j, 2} , df _{i , j, 3} and df _{i , j, 4} and the slope S _{i , j} of the reference point R calculated based thereon are as follows.

Through the above-described process, the embodiment of the present invention can estimate the inclination of the reference point R when any one reference point R in the region 20 is selected. Hereinafter, a process of calculating the slope inclination based on the slopes of the plurality of reference points in the area 20 will be described.

According to the embodiment of the present invention, in order to calculate the slope of the slope, the information obtaining unit 111 obtains a plurality of reference points in a predetermined area located on a slope and height information of surrounding points located around each reference point Can be obtained. The inclination calculation unit 112 may calculate the inclination of each of the reference points using the height information of the reference points and the surrounding points. Then, the slope inclination calculating unit 113 may calculate the slope inclination by statistically processing the inclination of the reference points.

8 is a graph in which the slopes of reference points in the region 20 are arranged in order of magnitude according to an embodiment of the present invention.

According to an embodiment of the present invention, the slope inclination calculation unit 113 may calculate one of the maximum value, the median value, the average value, and the optimal value of the slopes of the plurality of reference points to determine the slope gradient?.

For example, referring to FIG. 8, the median value of the slopes of the reference points is 2.75, the maximum value is 3.36, and the slope having the largest frequency is 3.1. In this way, the slope inclination calculation unit 113 statistically processes the slopes of the plurality of reference points and calculates one of a maximum value, a median value, an average value, and a minimum value from the slopes of the reference points to determine the slope inclination? .

9 is an example of a frequency distribution diagram showing the frequency distribution of the gradient of the reference points in the region 20 according to an embodiment of the present invention.

According to another embodiment of the present invention, the slope inclination calculation unit 113 calculates a frequency distribution of the gradients of the plurality of reference points, φ).

For example, as shown in FIG. 9, the slope inclination calculation unit 113 divides the slopes of a plurality of reference points into a plurality of classes, calculates a frequency of a reference point belonging to each class, The distribution can be calculated.

In the frequency distribution diagram shown in FIG. 9, the gradients of the reference points are divided into four classes, but the number of classes is not limited thereto. In addition, the size of each class constituting the frequency distribution may be set in advance in the inclination calculation apparatus 100, or may be inputted from the user through the input unit 13.

Then, the slope inclination calculation unit 113 can determine the grade value of the class having the highest frequency in the frequency distribution as the slope degree?. For example, in the frequency distribution diagram shown in FIG. 9, the rank with the highest frequency is rank 3, and the rank value of rank 3 can be set to the middle value of the rank.

According to another embodiment of the present invention, the slope inclination calculation unit 113 calculates a frequency distribution of the slopes of the reference points, and then calculates a slope of the reference points belonging to the class having the largest frequency in the frequency distribution Can be determined as a slope degree (?).

For example, referring to the frequency distribution diagram shown in FIG. 9, the slope inclination calculation unit 113 calculates an average value of the slopes of the reference points belonging to the class 3, which is the class with the highest frequency, Can be determined by the inclination (?).

The information obtaining unit 111, the slope calculating unit 112, and the slope inclination calculating unit 113 may be configured by a processor, for example, a CPU that executes a program for calculating the slope. In addition, the program may be stored in the storage unit 12, and the inclination calculation apparatus 100 may execute the program by loading the program from the storage unit 12.

The apparatus 100 for calculating an inclination according to an embodiment of the present invention may further include an output unit 14. The output unit 14 may output a value calculated according to an embodiment of the present invention, for example, an inclination S, a slope inclination? And the like to the user. According to one embodiment, the output unit 14 may include a display for visually displaying predetermined information, for example, an LCD, a PDP.

10 is an exemplary flow chart of an inclination calculation method 300 according to an embodiment of the present invention.

The inclination calculation method 300 is a method performed by the inclination calculation method 100 according to the embodiment of the present invention to calculate the inclination.

10, the inclination calculation method 300 may include a step S310 of obtaining height information of a reference point R and surrounding points P located around the reference point S310, And calculating the slope of the reference point R using the height information of the point R and the surrounding points P (S320).

According to an exemplary embodiment of the present invention, the step S310 of obtaining the height information may include obtaining the reference point R and the surrounding points P among a plurality of points uniformly distributed in the region 20, May be selected.

According to one embodiment, the step of selecting the reference point R and the surrounding points P may include selecting the reference point R among the plurality of points, And selecting a preset number of neighboring points P from the reference point R in the nearest order.

According to an exemplary embodiment, the step of selecting the predefined number of neighboring points P may include the step of selecting 12 neighboring points P1 to P12 from the reference point R, And a step of selecting the step.

According to an embodiment of the present invention, the step of calculating the slope of the reference point R may include calculating a slope of the reference point R using the height information of the reference point R and the surrounding points P, And calculating an inclination of the reference point R based on the inclination with respect to the plurality of directions.

The step of calculating the slope with respect to the plurality of directions may include calculating the slope using the height information of the same number of points in each direction.

According to an embodiment of the present invention, the step of calculating the inclination with respect to the plurality of directions may include calculating the inclination degree with respect to the reference point R on the horizontal plane on which the reference point R and the peripheral points P are projected in the vertical direction, Right-down direction, up-down direction, and left-top-right downward direction with respect to the left-right direction and the right-top direction.

The step of calculating the inclination with respect to the right-left direction, the upper-right-lower left direction, the up-down direction and the upper left-lower right direction includes calculating inclination with respect to a plurality of directions at the reference point according to Equations 1 to 5 . ≪ / RTI >

According to an embodiment of the present invention, the step of calculating the inclination of the reference point R based on the inclination with respect to the plurality of directions may include calculating a maximum value among the absolute values of the inclination degrees with respect to the plurality of directions, ) Of the slope of the slope.

According to an embodiment of the present invention, the step of acquiring the height information S310 may include a plurality of reference points in a predetermined area 20 located on a slope and surrounding points located around each reference point R And obtaining the height information of the image P based on the height information.

The step of calculating the inclination of the reference point S320 may include calculating the inclination degree of each reference point R using the height information of the reference point R and the surrounding points P with respect to the reference point .

According to an embodiment of the present invention, the slope inclination may be calculated by statistically processing the inclination of the reference points (S330).

According to an embodiment of the present invention, the step of calculating the slope inclination by statistically processing the slopes of the plurality of reference points may include calculating one of a maximum value, a median value, an average value, and a minimum value of the slopes of the plurality of reference points, And a slope inclination.

According to another embodiment of the present invention, the step of calculating the slope inclination by statistically processing the slopes of the plurality of reference points may include calculating a frequency distribution of the slopes of the plurality of reference points, And calculating a grade value of a large class to determine the slope grade.

According to another embodiment of the present invention, the step of calculating slope inclination by statistically processing the slopes of the plurality of reference points may include calculating a frequency distribution of the slopes of the plurality of reference points, And calculating the average value of the slope of the reference point belonging to the largest class to determine the slope as the slope inclination.

The inclination calculation method 300 according to an embodiment of the present invention may be stored in a computer-readable recording medium that is manufactured as a program to be executed in a computer. The computer-readable recording medium includes all kinds of storage devices in which data that can be read by a computer system is stored. Examples of the computer-readable recording medium include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, and the like. In addition, the slope calculation method 300 according to the above-described embodiment of the present invention can be implemented as a computer program stored in a medium for execution in combination with the computer.

According to the apparatus and method for calculating an inclination according to an embodiment of the present invention, it is possible to objectively and reasonably reflect the influence of an increase in wind speed due to the topography on the design of a structure, thereby improving safety and design economics of the structure.

While the present invention has been described with reference to the exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Those skilled in the art will appreciate that various modifications may be made to the embodiments described above. The scope of the present invention is defined only by the interpretation of the appended claims.

100: an inclination calculating device
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14: Output section
111: Information obtaining unit
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113: slope inclination calculation unit

Claims (20)

An information obtaining unit for obtaining height information of a reference point and surrounding points located around the reference point; And
And an inclination calculating unit for calculating an inclination of the reference point using the height information of the reference point and the surrounding points,
The inclination calculator includes:
Calculating a slope with respect to a plurality of directions at the reference point using height information of the reference point and the surrounding points,
Calculating an inclination of the reference point based on the inclination with respect to the plurality of directions,
The reference point and the peripheral points are inclined in the right-left direction, the upper-left-lower direction, the upper-lower direction and the upper-right-lower direction with respect to the reference point on a horizontal plane projected in the vertical direction,
The inclination angle with respect to a plurality of directions at the reference point

Lt; / RTI >
Herein, df _{i, j, 1} , df _{i, j, 2} , df _{i, j, 3} and df _{i, j, 4} denote the right- A slope with respect to an upper left-lower right direction,
f _{i, j} is the height of the reference point,
f _{i, j + 1,} f _{i, j-1,} f _{i-1, j} and f _{i + 1, j} is on each with respect to the reference point on said horizontal plane direction, the downward direction, the left and right directions The height of the surrounding surrounding points,
_{1, j + 1, j + 1} , _{j + 1} , _j-1 and f _{i + 1, j-} The height of the surrounding points located in the left, lower left, and right lower directions,
f _{i, j + 2} is the height of a peripheral point located upward from a peripheral point having a height f _{i, j + 1} on the horizontal plane,
f _{i, j-2} is the height of a peripheral point located in a downward direction from a peripheral point whose height is f _{i, j-1} on the horizontal plane,
f _{i-2, j} is the height of a peripheral point located in the left direction from a peripheral point whose height is f _{i-1, j} on the horizontal plane,
f _{i + 2, j} is the height of a peripheral point located in the right direction from a peripheral point whose height is f _{i + 1, j} on the horizontal plane,
? and? are predetermined coefficients,
and d is a distance between the reference point and the surrounding points. The method according to claim 1,
Wherein the information obtaining unit comprises:
Wherein the reference point and the surrounding points are selected from among a plurality of points uniformly distributed within a predetermined area. 3. The method of claim 2,
Wherein the information obtaining unit comprises:
Selecting the reference point among the plurality of points and selecting the 12 surrounding points in order from the reference point. delete delete delete The method according to claim 1,
The inclination calculator includes:
And calculates a maximum value among the absolute values of the slopes with respect to the plurality of directions at an inclination of the reference point. Obtaining a reference point and height information of surrounding points located around the reference point; And
And calculating an inclination of the reference point using the height information of the reference point and the surrounding points,
Wherein the step of calculating the slope of the reference point comprises:
Calculating an inclination with respect to a plurality of directions at the reference point using the height information of the reference point and the surrounding points; And
And calculating an inclination of the reference point based on the inclination with respect to the plurality of directions,
Wherein calculating the slope for the plurality of directions comprises:
And calculating the inclination of the reference point and the surrounding points with respect to the right-left direction, the upper-left-lower direction, the upper-lower direction, and the upper-right-lower direction with respect to the reference point on a horizontal plane projected in the vertical direction, ,
The step of calculating an inclination with respect to the right-left direction, the upper-left-lower direction, the upper-lower direction and the upper-left-
The inclination angle with respect to a plurality of directions at the reference point

Gt;
Herein, df _{i, j, 1} , df _{i, j, 2} , df _{i, j, 3} and df _{i, j, 4} denote the right- A slope with respect to an upper left-lower right direction,
f _{i, j} is the height of the reference point,
f _{i, j + 1,} f _{i, j-1,} f _{i-1, j} and f _{i + 1, j} is on each with respect to the reference point on said horizontal plane direction, the downward direction, the left and right directions The height of the surrounding surrounding points,
_{1, j + 1, j + 1} , _{j + 1} , _j-1 and f _{i + 1, j-} The height of the surrounding points located in the left, lower left, and right lower directions,
f _{i, j + 2} is the height of a peripheral point located upward from a peripheral point having a height f _{i, j + 1} on the horizontal plane,
f _{i, j-2} is the height of a peripheral point located in a downward direction from a peripheral point whose height is f _{i, j-1} on the horizontal plane,
f _{i-2, j} is the height of a peripheral point located in the left direction from a peripheral point whose height is f _{i-1, j} on the horizontal plane,
f _{i + 2, j} is the height of a peripheral point located in the right direction from a peripheral point whose height is f _{i + 1, j} on the horizontal plane,
? and? are predetermined coefficients,
and d is a distance between the reference point and the surrounding points. 9. The method of claim 8,
The step of obtaining the height information comprises:
And selecting the reference point and the surrounding points from a plurality of points uniformly distributed within a predetermined area. 10. The method of claim 9,
Wherein the selecting of the reference point and the surrounding points comprises:
Selecting the reference point among the plurality of points; And
Selecting twelve surrounding points in order from the reference point out of the plurality of points. delete delete delete 9. The method of claim 8,
Wherein the step of calculating the slope of the reference point based on the slope with respect to the plurality of directions comprises:
And calculating a maximum value among the absolute values of the slopes with respect to the plurality of directions as an inclination of the reference point. An information obtaining unit for obtaining height information of a plurality of reference points within a predetermined area located on a slope and surrounding points located around each reference point;
An inclination angle calculating unit for calculating an angle of inclination of each reference point using height information of the reference points and the surrounding points; And
And a slope inclination calculating unit for calculating a slope inclination by statistically processing an inclination of the reference points,
The inclination calculator includes:
Calculating a slope with respect to a plurality of directions at the reference point using height information of the reference point and the surrounding points,
Calculating an inclination of the reference point based on the inclination with respect to the plurality of directions,
The reference point and the peripheral points are inclined in the right-left direction, the upper-left-lower direction, the upper-lower direction and the upper-right-lower direction with respect to the reference point on a horizontal plane projected in the vertical direction,
The inclination angle with respect to a plurality of directions at the reference point

Lt; / RTI >
Herein, df _{i, j, 1} , df _{i, j, 2} , df _{i, j, 3} and df _{i, j, 4} denote the right- A slope with respect to an upper left-lower right direction,
f _{i, j} is the height of the reference point,
f _{i, j + 1,} f _{i, j-1,} f _{i-1, j} and f _{i + 1, j} is on each with respect to the reference point on said horizontal plane direction, the downward direction, the left and right directions The height of the surrounding surrounding points,
_{1, j + 1, j + 1} , _{j + 1} , _j-1 and f _{i + 1, j-} The height of the surrounding points located in the left, lower left, and right lower directions,
f _{i, j + 2} is the height of a peripheral point located upward from a peripheral point having a height f _{i, j + 1} on the horizontal plane,
f _{i, j-2} is the height of a peripheral point located in a downward direction from a peripheral point whose height is f _{i, j-1} on the horizontal plane,
f _{i-2, j} is the height of a peripheral point located in the left direction from a peripheral point whose height is f _{i-1, j} on the horizontal plane,
f _{i + 2, j} is the height of a peripheral point located in the right direction from a peripheral point whose height is f _{i + 1, j} on the horizontal plane,
? and? are predetermined coefficients,
and d is an interval between the reference point and the surrounding points. 16. The method of claim 15,
Wherein the information obtaining unit comprises:
An electronic map or database containing information about the slope; And
Survey data obtained by measuring the slope;
To obtain height information of the points from at least one of the plurality of points. Obtaining height information of a plurality of reference points and surrounding points located around each reference point within a predetermined area located on a slope;
Calculating an inclination of each of the reference points using the height information of the reference points and the surrounding points; And
Calculating a slope inclination by statistically processing the slopes of the reference points,
Wherein the step of calculating the slope of the reference point comprises:
Calculating an inclination with respect to a plurality of directions at the reference point using the height information of the reference point and the surrounding points; And
And calculating an inclination of the reference point based on the inclination with respect to the plurality of directions,
Wherein calculating the slope for the plurality of directions comprises:
And calculating the inclination of the reference point and the surrounding points with respect to the right-left direction, the upper-left-lower direction, the upper-lower direction, and the upper-right-lower direction with respect to the reference point on a horizontal plane projected in the vertical direction, ,
The step of calculating an inclination with respect to the right-left direction, the upper-left-lower direction, the upper-lower direction and the upper-left-
The inclination angle with respect to a plurality of directions at the reference point

Gt;
Herein, df _{i, j, 1} , df _{i, j, 2} , df _{i, j, 3} and df _{i, j, 4} denote the right- A slope with respect to an upper left-lower right direction,
f _{i, j} is the height of the reference point,
f _{i, j + 1,} f _{i, j-1,} f _{i-1, j} and f _{i + 1, j} is on each with respect to the reference point on said horizontal plane direction, the downward direction, the left and right directions The height of the surrounding surrounding points,
_{1, j + 1, j + 1} , _{j + 1} , _j-1 and f _{i + 1, j-} The height of the surrounding points located in the left, lower left, and right lower directions,
f _{i, j + 2} is the height of a peripheral point located upward from a peripheral point having a height f _{i, j + 1} on the horizontal plane,
f _{i, j-2} is the height of a peripheral point located in a downward direction from a peripheral point whose height is f _{i, j-1} on the horizontal plane,
f _{i-2, j} is the height of a peripheral point located in the left direction from a peripheral point whose height is f _{i-1, j} on the horizontal plane,
f _{i + 2, j} is the height of a peripheral point located in the right direction from a peripheral point whose height is f _{i + 1, j} on the horizontal plane,
? and? are predetermined coefficients,
and d is an interval between the reference point and the surrounding points. 18. The method of claim 17,
The step of obtaining the height information comprises:
An electronic map or database containing information about the slope; And
Survey data obtained by measuring the slope;
And obtaining height information of the points from at least one of the plurality of points. A computer-readable recording medium,
A recording medium on which a program for executing an inclination calculation method according to any one of claims 8 to 10 or 14, or a slope inclination calculation method according to claim 17 or 18 is recorded on a computer. A computer program stored in a medium for executing an inclination calculation method according to any one of claims 8 to 10 or 14 or a slope inclination calculation method according to claim 17 or 18 in combination with a computer.

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