CN112163249A - Construction method of full-parametric three-dimensional model structure of hydraulic construction excavation slope - Google Patents

Construction method of full-parametric three-dimensional model structure of hydraulic construction excavation slope Download PDF

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CN112163249A
CN112163249A CN202010746335.3A CN202010746335A CN112163249A CN 112163249 A CN112163249 A CN 112163249A CN 202010746335 A CN202010746335 A CN 202010746335A CN 112163249 A CN112163249 A CN 112163249A
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slope
line
cradle
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excavation
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CN112163249B (en
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王进丰
杜华冬
高洪远
陈敏
黄少华
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Changjiang Institute of Survey Planning Design and Research Co Ltd
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Abstract

The invention relates to the technical field of three-dimensional digital model construction, and discloses a construction method of a hydraulic construction excavation slope fully-parameterized three-dimensional model structure, which comprises the following steps: drawing a slope line by referring to a base building surface boundary, building a berm line characteristic level assembly, a berm slope unit level assembly, a current level berm slope component level assembly and an integral berm slope surface integral level assembly, and finally, calculating to form an excavation berm slope surface three-dimensional model and a supporting surface by taking an integral berm slope surface and slope surface opening line as input of the excavation berm slope surface integral level assembly. The method for constructing the fully-parameterized three-dimensional model structure of the hydraulic structure excavation side slope is used for structuring the hydraulic structure excavation side slope model based on the geometric characteristics of the hydraulic structure excavation side slope, and can be used for quickly establishing the three-dimensional parameterized model of the hydraulic structure excavation side slope.

Description

Construction method of full-parametric three-dimensional model structure of hydraulic construction excavation slope
Technical Field
The invention relates to the technical field of three-dimensional digital model construction, in particular to a construction method of a full-parametric three-dimensional model structure of a hydraulic construction excavation slope.
Background
The side slope is a general name of an artificial side slope and a natural bank slope, and the side slope excavation is a process of artificially transforming the natural side slope and follows the principle of less excavation and less disturbance. The arrangement, slope releasing and stability of the excavated slope are one of the problems which must be considered in the arrangement and design of hydraulic buildings, and the shape and parameters of the excavated slope are closely related to the terrain and geology.
At present, slope arrangement and design are carried out on a slope excavation design under a two-dimensional CAD according to a geographic environment, the slope ratio and the height of the slope are adjusted according to section geological conditions so as to meet the design requirements of slope stability and smaller excavation amount, and the two-dimensional method is low in parameterization degree and relevance, so that the adjustment and slope placement modification workload is large, and some slope excavation needs to be designed and drawn again. Most of the slope three-dimensional design modeling is to use a three-dimensional tool to perform rollover on the basis of the existing two-dimensional design drawing, so that the three-dimensional expression effect is achieved. The method has the problems that the structure of a berm slope surface is simple and not fine, the detail of a slope model is difficult to adjust according to geological conditions, the design requirements of slope change, height change, width change and the like of the excavation slope of the hydraulic building are difficult to meet, when the slope is set to be greatly changed due to the refinement of geological data, the three-dimensional model basically needs to be rebuilt, and the three-dimensional model of the excavation slope of the hydraulic building is difficult to quickly build and dynamically modify.
Disclosure of Invention
The invention aims to provide a method for constructing a full-parametric three-dimensional model structure of an excavation slope of a hydraulic building, aiming at the defects of the technology.
In order to achieve the purpose, the construction method of the full-parametric three-dimensional model structure of the hydraulic construction excavation slope, which is designed by the invention, comprises the following steps:
1) drawing a slope line by referring to the boundary of the building base plane;
2) establishing a fairway inside line and a fairway outside line, wherein the input conditions comprise an upper fairway inside line (initial slope starting line), the input parameters comprise a slope height, a fairway width and a slope ratio coefficient, and the fairway inside line and the fairway outside line are output;
3) establishing a component level assembly of a ramp surface unit, inputting conditions including an upper-level inner ramp line, a current-level outer ramp line and a current-level inner ramp line, inputting parameters including the number of the ramp surface unit, and outputting the ramp surface unit;
4) putting the unit element level components of the same level of the lane slope surface into a sub-graph set to form a component level component of the current level of the lane slope surface, and putting the sub-graph sets of all levels of the lane slope surface into an integral graph set of the lane slope surface;
5) the integral berm slope is formed by all berm slope units to form an integral assembly, the input conditions comprise berm slope collection and ground surface, and the integral berm slope and slope opening line are output.
6) And the integral berm slope and the slope opening line are used as input of an integral component of the excavation berm slope, and a three-dimensional model and a supporting surface of the excavation berm slope are formed through calculation.
Preferably, in the step 2), establishing a crosswalk feature level component includes the following steps:
2a) establishing a parameter set, and placing design parameters of the slope surface of the fairway at the current level, namely placing the slope height, the width and the slope ratio coefficient of the design parameters;
2b) scattering the inner line of the superior fairway (the initial slope starting line) into line segments, and calculating (comprising translation, trimming and combination) to generate the inner line of the home fairway and the outer line of the home fairway according to the slope height, the width and the slope ratio coefficient of the corresponding line segments in the parameter set;
2c) and packaging the processes to establish a characteristic level component.
Preferably, the excavation side slope surface is composed of a berm slope surface unit, each berm slope surface unit is controlled by a group of parameters including slope height, berm width and slope ratio coefficient, when geological data change, corresponding parameter values are modified by matching geological conditions, and the whole excavation side slope three-dimensional model is driven from the beginning of updating of the berm line feature level assembly.
Preferably, the sidewalk characteristic level assembly controls all the sidewalk slope units at the same level, the sidewalk input parameters include the slope height, the sidewalk width and the slope ratio coefficient of the sidewalk slope units at the same level, the sidewalk is composed of a plurality of sections, each section is horizontally translated by the corresponding section of the superior sidewalk, then the horizontal translation amount of the section, the front section and the rear section determines the horizontal translation sidewalk line of the section according to the 'getting big rule', then the horizontal translation sidewalk line of the section is vertically translated, then the height value of the section, the front section and the rear section determines the sidewalk line of the section according to the 'getting high rule', and finally all the sidewalk lines are combined to form the whole sidewalk.
Preferably, the lane slope units are managed by using an overall graph set, the lane slope units at the same level are in the same sub-graph set, each sub-graph set is placed in the overall graph set, and the sub-graph sets at the level are linked with the sub-graph sets at the upper level by using lane lines.
Preferably, the addition operation of the elements in the same graphic set is defined as the combination of the geometric figures, and the requirements of the graphic set and the addition operation meet the following requirements: any one of the road slope units only belongs to one sub-graph set, and the sub-graph set belongs to the whole graph set; any one of the graphic sets has unit elements, the unit elements of the sub-graphic sets are the street lines of the same level, and the unit elements of the whole graphic set are the slope lines of the side slope; the addition results of two pavement slope units of the same graph set belong to the graph set; the addition result of three pavement slope units in the same graph set is irrelevant to the addition sequence, and the result is the combination of the three pavement slope units; the inverse element of any one of the road slope units is defined as deleting the road slope unit, and the unit element cannot be deleted under the condition that the road slope unit exists in the graph set.
Preferably, the integral level assembly comprises an integral berm slope assembly and an excavation berm slope assembly, the integral berm slope assembly is input into an integral figure set containing all berm slope units, an opening line of an excavation slope is output except the integral berm slope, the excavation berm slope assembly is input into an integral berm slope and an opening line, and the excavation berm slope assembly is output into a three-dimensional model of the excavation berm slope of the building.
Compared with the prior art, the invention has the following advantages:
1. the three-dimensional model of the excavated slope can be quickly established and dynamically modified, and the time for designing, modeling, modifying and updating is shortened;
2. the method can be suitable for the scheme design and the detailed design of the excavation slope of the hydraulic building, can be used for optimizing the arrangement and the design of the excavation berm slope, and the established fully-parameterized three-dimensional model has an auxiliary effect on the slope support treatment design.
Drawings
FIG. 1 is a flow chart of the invention for establishing a fully parameterized three-dimensional model structure of a hydraulic structure excavation side slope;
FIG. 2 is a schematic view of a ramp unit of the invention;
FIG. 3 is a schematic view of a component assembly of a slope unit of a same level of lane according to the present invention;
FIG. 4 is a schematic diagram of an integral stage assembly of the present invention;
FIG. 5 is a schematic diagram of a hierarchical component structure of a fully parameterized three-dimensional model of an excavated side slope according to the present invention;
FIG. 6 is a schematic illustration of horizontal translation in a fairway line generated from an interior superior fairway line;
FIG. 7 is a schematic view of vertical translation in a lane line generated from an interior line of an upper level lane;
FIG. 8 is a user profile of the overall carriageway slope in 3 DE;
FIG. 9 is a user profile of an excavated edge slope in 3 DE;
FIG. 10 is a schematic illustration of a retaining surface for user feature output in 3 DE;
FIG. 11 is a schematic view of a modified open line of user feature output in 3 DE;
fig. 12 is a schematic diagram of the method for modifying the slope parameters of the berm and updating the model of the excavated side slope in 3 DE.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
A method for constructing a fully parameterized three-dimensional model structure of a hydraulic construction excavation side slope comprises the following steps:
1) drawing a slope line by referring to the boundary of the building base plane;
2) establishing a fairway inside line and a fairway outside line, wherein the input conditions comprise an upper fairway inside line (initial slope starting line), the input parameters comprise a slope height, a fairway width and a slope ratio coefficient, and the fairway inside line and the fairway outside line are output;
3) establishing a component level assembly of the ramp surface units, wherein input conditions comprise an upper-level inner ramp line, a current-level outer ramp line and a current-level inner ramp line, input parameters comprise the number of the ramp surface units, and the ramp surface units are output, as shown in the attached figure 2;
4) putting the unit element level components of the same level of the lane slope surface into a sub-graph set to form a component level component of the current level of the lane slope surface, and putting the sub-graph sets of all levels of the lane slope surface into an integral graph set of the lane slope surface, as shown in the attached figure 3;
5) the integral berm slope is formed by all berm slope units to form an integral assembly, the input conditions comprise berm slope collection and ground surface, and the integral berm slope and slope opening line are output.
6) The integral berm slope and the slope opening line are used as input of an integral component of the excavated berm slope, and a three-dimensional model and a supporting surface of the excavated berm slope are formed through calculation, and are shown in an attached figure 4.
Wherein, in the step 2), establishing the crosswalk characteristic level assembly comprises the following steps:
2a) establishing a parameter set, and placing design parameters of the slope surface of the fairway at the current level, namely placing the slope height, the width and the slope ratio coefficient of the design parameters;
2b) scattering the inner line of the superior fairway (the initial slope starting line) into line segments, and calculating (comprising translation, trimming and combination) to generate the inner line of the home fairway and the outer line of the home fairway according to the slope height, the width and the slope ratio coefficient of the corresponding line segments in the parameter set;
2c) and packaging the processes to establish a characteristic level component.
As shown in fig. 5, according to the geometric structural features of the excavated slope, the digital slope model is divided into four layers of components for structural construction, which are respectively a feature level component of the berm line, an element level component of the berm slope unit, a component level component of the berm slope of the current level, and an integral level component of the excavated berm slope from small to large.
In addition, the excavation side slope surface is composed of a berm slope surface unit, each berm slope surface unit is controlled by a group of parameters of slope height, berm width and slope ratio coefficient, when geological data changes, corresponding parameter values are modified by matching geological conditions, a berm line characteristic level assembly is updated until a whole excavation side slope three-dimensional model is driven, all berm slope surface units at the same level are controlled by the berm line characteristic level assembly, the berm line input parameters comprise the slope height, the berm width and the slope ratio coefficient of the berm slope surface units at the same level, a berm line is composed of a plurality of sections, as shown in figure 6, each section is horizontally translated by a corresponding section of an upper-level berm line, then a horizontal translation berm line of the section is determined by horizontal translation amounts of the section, the front section and the rear section according to a 'lifting rule', as shown in figure 7, then the horizontal translation berm line of the section is vertically translated, and then the berm line of the section, the front section and the rear section is determined according to a 'lifting rule', and finally, combining the sections of the lane lines to form the whole lane line.
In the method, an integral graph set is used for managing the lane slope units, the same level of lane slope units are in the same sub-graph set, all sub-graph sets are placed in the integral graph set, the current level of sub-graph sets and the higher level of sub-graph sets are linked by a lane line, the addition operation of elements in the same graph set is defined as the combination of geometric graphs, and the graph set and the addition operation requirements meet: any one of the road slope units only belongs to one sub-graph set, and the sub-graph set belongs to the whole graph set; any one of the graphic sets has unit elements, the unit elements of the sub-graphic sets are the street lines of the same level, and the unit elements of the whole graphic set are the slope lines of the side slope; the addition results of two pavement slope units of the same graph set belong to the graph set; the addition result of three pavement slope units in the same graph set is irrelevant to the addition sequence, and the result is the combination of the three pavement slope units; the inverse element of any one of the road slope units is defined as deleting the road slope unit, and the unit element cannot be deleted under the condition that the road slope unit exists in the graph set.
In addition, in the method, the integral assembly is divided into an integral berm assembly and an excavation berm assembly, the integral berm assembly is input into an integral figure set containing all berm units, opening lines of excavation slopes are output except the integral berm slope, the excavation berm assembly is input into the integral berm slope and the opening lines, and the excavation berm assembly is output into a three-dimensional model of the excavation berm of the building.
The technical scheme of the invention is described in detail by combining the embodiment of a three-dimensional model of the dam plunge pool side slope in 3DE software.
1) And drawing a slope line, namely establishing unit cells of the integrally excavated side slope surface, referring to the boundary of the basement surface of the plunge pool, drawing the slope line, and placing the slope line in the integral figure set as the unit cells of the integrally-excavated side slope surface and the input conditions of the grade 1 pavement line.
2) Establishing the characteristics of users of the i-th level (i is from 1 to n, and n is the total number of the fairway), namely establishing unit elements of the slope of the i-th level, wherein the establishing process comprises the following steps:
2a) establishing a parameter set in the ith level of road slope subgraph set, and placing design parameters of the current level of road slope, namely placing slope height j, road width j, slope ratio coefficient j and the like of each slope unit of the current level (j is from 1 to m, and m is the number of the slope units of the current level of road);
2b) establishing an i-th-level fairway internal line and an external line by taking the upper-level fairway internal line and a parameter set containing slope height, fairway width and slope ratio coefficients as input;
2c) and packaging the processes and establishing the lane line user characteristics.
3) And establishing the user characteristics of the slope unit of the sidewalk as an element level assembly, and generating the ith-level and jth slope unit of the sidewalk by taking an upper-level sidewalk line and an inner line and an outer line of the sidewalk of the current level as input.
4) Placing all the slope units containing the ith level of the pavement in an ith level of the sub-graph set to form an ith level of pavement slope component level assembly;
5) establishing user characteristics of the integral berm slope as an integral level assembly, combining the geometric figures of all levels of berm slope units to generate an integral berm slope, and outputting the integral berm slope and an opening line, wherein the opening line is obtained by processing the intersection line of the integral berm slope and a terrain surface, as shown in the attached figure 8;
6) as shown in figure 9, the user characteristics of the excavation side slope surface are established as a whole assembly, the whole berm surface and an opening line are used as input, a fully parameterized model of the excavation side slope surface is established, as shown in figure 10, the opening line can be modified and replaced according to the actual excavation situation, in order to facilitate interactive modification and replacement of the opening line, the method divides the whole assembly into 2 assemblies, and meanwhile, in order to facilitate calculation of the area of the supporting surface, as shown in figure 11, the excavation side slope surface assembly outputs the supporting surface which is the part of the excavation side slope surface minus the berm surface.
In this embodiment, the input of the berm line feature level component is a parameter set, the value of which is controlled by geological conditions and the like, as shown in fig. 12, so that the component parameters are modified due to the change of geological data, and the full-parameterized excavation slope three-dimensional model is realized from the beginning of berm line updating to the driving of the whole excavation slope three-dimensional model.
In addition, when the embodiment is used, the process for establishing the three-dimensional parameterized model of the excavation slope surface of the hydraulic building, as shown in fig. 1, includes the following steps:
s1) drawing a slope rising line by referring to the base surface establishing boundary;
s2) setting a slope starting line as an initial value of an inner line of the superior fairway;
s3) taking the inner line of the superior fairway as input to establish a fairway line component of the current level;
s4) taking the first section of the outside line of the horse way as the initial value of the current section;
s5) taking the inside line of the upper-level fairway and the outside line of the current-level fairway as input, and establishing the slope unit component of the ith-level fairway;
s6) when the segment i is the last segment of the outside line of the horse way, the step S7) is carried out, otherwise, the next segment of the outside line of the horse way is taken as the current segment, and the step S5 is carried out again);
s7) when it is the top horse way slope, go to step S8), otherwise, set the horse way inner line as the superior horse way inner line, go back to step S3);
s8) constructing an integral road slope assembly by taking all the road slope units as input;
s9) taking the integral horse way slope as input and forming an excavation edge slope three-dimensional parameter model by dividing with an opening line.
The invention relates to a construction method of a hydraulic construction excavation side slope fully-parameterized three-dimensional model structure, which is used for carrying out structured construction on a hydraulic construction excavation side slope model based on the geometrical characteristics of the hydraulic construction excavation side slope, wherein each minimum berm slope surface unit is controlled by a group of side slope parameters according to a certain rule, and the construction method is suitable for detail three-dimensional design of side slopes with variable slopes, variable heights, variable berm widths and the like. According to the method, a side slope digital model is structurally constructed according to the geometric construction characteristics of a side slope body, the side slope digital model is divided into characteristics, elements, components and an integral four-stage assembly from small to large, a full-parameter three-dimensional model of the excavated side slope is constructed, and a minimum-stage assembly, namely a characteristic-stage assembly, is controlled by side slope parameters.
The construction method of the hydraulic construction excavation slope fully-parameterized three-dimensional model structure can quickly establish and dynamically modify the excavation slope three-dimensional model and shorten the time for designing, modeling, modifying and updating. The method comprises the steps of generating a berm line by taking a hydraulic building rising slope line as an input element and taking the slope height, berm width and slope ratio coefficient of each slope unit as input parameters, generating berm slope units by the berm line, combining the berm slope units into an integral berm slope, generating an opening line by a topographic operation, and finally generating a three-dimensional model of the excavated berm slope. And according to the geological conditions of the slope units, modifying parameters such as slope ratio, slope height and the like of the corresponding road slope units, and starting from updating the road lines and the slope units until driving the building to excavate the side slope three-dimensional model. The technology can be suitable for the scheme design and the detailed design of the excavation slope of the hydraulic building, can be used for optimizing the arrangement and the design of the excavation berm slope, and the established fully-parameterized three-dimensional model has an auxiliary effect on the slope support treatment design.

Claims (7)

1.一种水工建筑开挖边坡全参数化三维模型结构的构建方法，其特征在于：包括如下步骤：1. a construction method of a hydraulic construction excavation side slope full parameterization three-dimensional model structure, is characterized in that: comprise the steps: 1)参考建基面边界绘制起坡线；1) Draw the slope line with reference to the boundary of the foundation surface; 2)建立马道线特征级组件，输入条件包括上级马道内线(初始为起坡线)，输入参数包括坡高、马道宽和坡比系数，输出本级马道内线和本级马道外线；2) Create a feature-level component of the horse track, the input conditions include the inner line of the upper horse track (initially the starting line), the input parameters include the slope height, the width of the horse track and the slope ratio coefficient, and the output of the inner line of the horse track at the current level and the outer line of the horse track at the current level; 3)建立马道坡面单元元件级组件，输入条件包括上级马道内线、本级马道外线和本级马道内线，输入参数包括马道坡面单元编号，输出马道坡面单元；3) Build the element-level component of the horse track slope unit. The input conditions include the inner line of the upper horse track, the outer line of the current level, and the inner line of the current level. The input parameters include the unit number of the horse track slope, and the output horse track slope unit; 4)将同级马道坡面单元元件级组件放到一个子图形集中，形成本级马道坡面构件级组件，将所有级马道坡面的子图形集放到马道坡面的整体图形集中；4) Put the element-level components of the same-level cradle slope unit into a sub-graphic set to form the component-level components of the cradle slope at this level, and put the sub-graph sets of all levels of cradle slopes into the overall graphics set of the cradle slope; 5)由所有马道坡面单元形成整体马道坡面，构成整体级组件，输入条件包括马道坡面集和地形面，输出整体马道坡面和坡面开口线。5) The overall cradle slope is formed by all cradle slope units to form an integral level component. The input conditions include cradle slope set and terrain surface, and the output of the overall cradle slope and slope opening line. 6)由整体马道坡面和坡面开口线为开挖马道边坡面整体级组件的输入，运算形成开挖边坡面三维模型及支护面。6) From the overall cradle slope and the slope opening line as the input of the integral level components of the excavation cradle slope, the calculation forms the three-dimensional model of the excavation slope and the supporting surface. 2.根据权利要求1所述水工建筑开挖边坡全参数化三维模型结构的构建方法，其特征在于：所述步骤2)中，建立马道线特征级组件包括如下步骤：2. according to the construction method of the hydraulic construction excavation side slope full-parameterized three-dimensional model structure of claim 1, it is characterized in that: in the described step 2), setting up the characteristic level component of the horse track line comprises the steps: 2a)建立参数集，放置本级马道坡面的设计参数，即放置设计参数坡高、马道宽和坡比系数；2a) Establish a parameter set and place the design parameters of the slope of the horse track at this level, that is, place the design parameters slope height, track width and slope ratio coefficient; 2b)打散上级马道内线(初始为起坡线)成线段，按参数集中对应线段的坡高、马道宽和坡比系数，运算(包括平移、修剪、结合)生成本级马道内线和本级马道外线；2b) Break up the inner line of the upper horse track (initially the starting line) into line segments, and perform operations (including translation, trimming, and combination) according to the slope height, width of the horse track and the slope ratio coefficient of the corresponding line segment in the parameter set to generate the inner line of the horse track at the current level and the current level. outside the horse track; 2c)将上述过程封装，建立特征级组件。2c) Encapsulate the above process to build feature-level components. 3.根据权利要求1所述水工建筑开挖边坡全参数化三维模型结构的构建方法，其特征在于：开挖边坡面由马道坡面单元组成，每个马道坡面单元均由坡高、马道宽和坡比系数一组参数控制，当地质资料变化时，通过匹配地质条件修改相应参数值，从马道线特征级组件更新开始直到驱动整体开挖边坡三维模型。3. according to the construction method of the hydraulic construction excavation side slope full parameter three-dimensional model structure of claim 1, it is characterized in that: the excavation side slope surface is made up of bridle slope unit, and each bridle slope unit is made of slope A set of parameters is controlled by the height, width of the road and slope ratio coefficient. When the geological data changes, the corresponding parameter values are modified by matching the geological conditions, starting from the update of the characteristic-level component of the road line until the 3D model of the overall excavation slope is driven. 4.根据权利要求3所述水工建筑开挖边坡全参数化三维模型结构的构建方法，其特征在于：马道线特征级组件控制同级所有马道坡面单元，马道线输入参数包括同级马道坡面单元的坡高、马道宽和坡比系数，马道线由多段组成，每一段线由上级马道内线对应线段先水平平移，再由本段、前段和后段的水平平移量按“取大规则”确定本段水平平移马道线，然后将本段水平平移马道线进行竖向平移，再由本段、前段和后段的高程值按“取高规则”确定本段马道线，最后将各段马道线结合形成整条马道线。4. according to the construction method of the hydraulic construction excavation side slope full parameter three-dimensional model structure of claim 3, it is characterized in that: the cradle line characteristic level component controls all cradle slope units of the same level, and the cradle line input parameter comprises the same level The slope height, width and slope ratio coefficient of the cradle slope unit. The cradle line consists of multiple sections. Each section of the line is firstly translated horizontally by the corresponding line segment of the inner line of the upper cradle. "Rule" to determine the horizontal translation of the horse track line in this section, and then perform vertical translation of the horizontal translation of the horse track line in this section. The horse track lines are combined to form the entire horse track line. 5.根据权利要求1所述水工建筑开挖边坡全参数化三维模型结构的构建方法，其特征在于：用整体图形集管理马道坡面单元，同级马道坡面单元在同一个子图形集中，各子图形集放置到整体图形集中，本级与上级子图形集用马道线链接。5. according to the construction method of the hydraulic construction excavation side slope full parametric three-dimensional model structure of claim 1, it is characterized in that: manage the cradle slope unit with the overall graph set, and the cradle slope unit of the same level is in the same sub-graph set , each sub-graphic set is placed in the overall graphics set, and the sub-graphic set at this level and the upper-level sub-graphic set are linked by a line. 6.根据权利要求5所述水工建筑开挖边坡全参数化三维模型结构的构建方法，其特征在于：同一图形集中元素的加运算定义为几何图形的结合，图形集与加运算要求满足：任何一个马道坡面单元仅属于一个子图形集，子图形集属于整体图形集；任何一个图形集均有单位元，子图形集的单位元为本级马道线，整体图形集的单位元为边坡的起坡线；同一图形集的二个马道坡面单元相加结果属于此图形集；同一图形集中三个马道坡面单元相加结果与相加次序无关，结果为三个马道坡面单元的结合；任何一个马道坡面单元的逆元定义为删除此马道坡面单元，在图形集中存在马道坡面单元条件下不能删除单位元。6. The construction method of the fully parameterized three-dimensional model structure of hydraulic construction excavation slope according to claim 5, is characterized in that: the addition operation of the elements in the same graph set is defined as the combination of geometric figures, and the graph set and the addition operation requirement satisfy : Any horse track slope unit belongs to only one sub-graph set, and the sub-graph set belongs to the overall graph set; any graph set has a unit element, the unit element of the sub-graph set is the level of the horse track line, and the unit element of the overall graph set is The starting line of the slope; the addition result of two horse track slope units in the same graph set belongs to this graph set; the addition result of three horse track slope units in the same graph set has nothing to do with the order of addition, and the result is three horse track slopes Combination of units; the inverse element of any cradle slope unit is defined as deleting the cradle slope unit, and the unit element cannot be deleted under the condition that the cradle slope unit exists in the graphics set. 7.根据权利要求1所述水工建筑开挖边坡全参数化三维模型结构的构建方法，其特征在于：整体级组件分为整体马道坡面组件和开挖马道边坡面组件二个，且整体马道坡面组件输入条件为含所有马道坡面单元的整体图形集，输出除整体马道坡面外，还有开挖边坡的开口线，开挖马道边坡面组件输入条件为整体马道坡面和开口线，输出为建筑物开挖边坡面三维模型。7. according to the construction method of the hydraulic construction excavation side slope full parameter three-dimensional model structure of claim 1, it is characterized in that: the integral level component is divided into the integral horse road slope surface component and the excavation horse road side slope surface component two, And the input condition of the overall cradle slope component is the overall graph set containing all cradle slope units, and the output includes the opening line of the excavation slope in addition to the overall cradle slope. The input condition of the excavation cradle slope component is the overall cradle. Slope surface and opening line, the output is a 3D model of building excavation slope surface.
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