CN112528378A - Modeling method of linear model of external packing rockery supporting structure - Google Patents
Modeling method of linear model of external packing rockery supporting structure Download PDFInfo
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Abstract
The invention discloses a modeling method of an external packing rockery supporting structure linear model, which comprises the steps of establishing truss axes in modeling software with a programming interface, and correspondingly establishing a container for each truss axis; extracting coordinate points of line segment end points on the truss axis and storing the coordinate points into a container; removing overlapped coordinate points, and respectively recording distances between a coordinate point on the axis of the currently processed truss and a corresponding nearest coordinate point and a next nearest coordinate point on the axis of the adjacent truss as L1 and L2; and automatically establishing tie rod axes according to the magnitude relation between the difference value of L2-L1 and M so as to complete the modeling of the linear model of the outer package rockery supporting structure. The invention can improve the modeling efficiency and the modeling precision.
Description
Technical Field
The invention relates to the field of modeling of an external packing rockery supporting structure, in particular to a modeling method of a linear model of the external packing rockery supporting structure.
Background
In the landscape design of cultural tourism, rockery becomes an essential scenic spot project in theme parks and theme parks. An exterior package rockery support structure is required to be designed before rockery construction for supporting the load strength of the rockery exterior package skin and the load strength of the building supported thereby. The prior art generally designs an overwrap rockery structure by building a linear model of the overwrap rockery support structure. The linear model includes a truss axis and a tie rod axis between the truss axes. In the modeling method of the linear model of the external packing rockery supporting structure in the prior art, a drafter adopts modeling software such as CAD and the like to draw the model by manually operating a mouse. And the axis of the tie bar is established by matching human vision with mouse points, so that the workload is high, the visual fatigue is easily caused, and the modeling error is easily caused by the visual fatigue, so that the modeling precision is low. Particularly for projects such as rockery with a large area, the manual modeling according to a draughter has huge workload and is easy to cause visual fatigue, and related parts also need to be modified one by one during modification and adjustment, so that omission is easy, the modeling period is long, and the modeling efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problem of providing a modeling method of an external packing rockery supporting structure linear model, so as to shorten the modeling period, improve the modeling efficiency, improve the modeling precision and facilitate modification.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a modeling method of an outer package rockery support structure linear model comprises the following steps:
building truss axes of an external packing rockery supporting structure in modeling software with a programming interface, wherein each truss axis consists of a plurality of line segments;
correspondingly establishing a container for each truss axis;
extracting coordinate points of end points of all line sections on the axis of each truss frame according to the processing direction and storing the coordinate points into corresponding containers;
removing overlapped coordinate points in each container;
finding out all coordinate points on the axis of the current processing truss and corresponding nearest coordinate points and next nearest coordinate points on the axis of the adjacent truss by taking the axes of the two adjacent trusses as a group according to the coordinate points in the container;
setting the distance between each coordinate point on the axis of the current processing truss and the corresponding nearest coordinate point on the axis of the adjacent truss to be L1, and calculating the length of L1;
setting the distance between each coordinate point on the axis of the current processing truss and the corresponding next closest coordinate point on the axis of the adjacent truss to be L2, and calculating the length of L2;
and comparing the difference value of L2-L1 with the magnitude relation of M to automatically establish a tie rod axis so as to complete the establishment of a linear model of the outer package rockery supporting structure, automatically connecting each coordinate point with the nearest coordinate point to establish the tie rod axis of the outer package rockery supporting structure when L2-L1> M, and automatically connecting each coordinate point with the nearest coordinate point and the next nearest coordinate point simultaneously to establish the tie rod axis of the outer package rockery supporting structure when L2-L1 is less than or equal to M, wherein M is a preset distance, and M is a positive number.
Further, according to the modeling method of the linear model of the external packing rockery supporting structure provided by the invention, the tie bar axis is established in the following sequence:
tie rod axes between one set of truss axes are automatically established first to form one set of tie rod axes, and then the next set of tie rod axes are automatically established.
Further, the invention provides a modeling method of the linear model of the outer package rockery supporting structure, wherein the tie rod axis is established by calling coordinate point data in the container automatically through the programming of modeling software with a programming interface.
Furthermore, the modeling method of the linear model of the external packing rockery supporting structure provided by the invention has the preset distance of M being more than or equal to 100 and less than or equal to 300 mm.
Compared with the prior art, the invention has the following beneficial effects:
according to the modeling method of the linear model of the outer package rockery supporting structure, the tie rod axis is automatically established through modeling software with a programming interface according to the comparison relation between the difference value of L2-L1 and M, manual connection of a mouse is not needed, errors caused when a draftsman establishes the tie rod axis due to visual fatigue are overcome, therefore, the modeling efficiency and the modeling precision are improved, and the modeling period is shortened. The effect is more obvious for large projects.
According to the modeling method of the linear model of the external packing rockery supporting structure, the tie rod axis is automatically modeled, when the size of the external packing rockery supporting structure changes or the structural design changes, the linear model can be automatically associated and modified according to the data of the coordinate points, modification is facilitated, manual modification of each associated part is not needed, omission of the associated part is avoided, and the reliability and integrity of the modeling design after modification are guaranteed.
According to the modeling method of the linear model of the external packing rockery supporting structure, coordinate point data of line segment end points on the truss axis can be stored through the established container, and the tie rod axis is automatically established through the coordinate point data, so that the automation of establishing the tie rod axis is realized.
According to the modeling method of the linear model of the external packing rockery supporting structure, provided by the invention, through the duplication elimination processing of the overlapped coordinate points, the operation speed can be increased so as to improve the modeling efficiency, and the redundant coordinate data is prevented from increasing the operation amount.
Drawings
FIG. 1 is a schematic view of a truss axis construction;
FIG. 2 is a schematic view of a model for creating containers on the truss axis of FIG. 1;
FIG. 3 is a schematic structural diagram of a coordinate point for extracting an end point of a line segment on the truss axis in FIG. 2;
FIG. 4 is a schematic diagram of the structure of FIG. 3 with the overlapping coordinate points removed;
FIG. 5 is a schematic structural diagram of a nearest coordinate point and a next nearest coordinate point of coordinate points found in a truss axis group;
FIG. 6 is a schematic structural view of tie rod axes;
FIG. 7 is a schematic structural view of the complete tie rod axis construction;
FIG. 8 is a schematic structural view of a linear model of an overwrap rockery support structure;
shown in the figure:
100. 110, a truss axis, 111, a line segment, 111-1a, a line segment 1 starting point, 111-1b, a line segment 1 ending point, 111-2a, a line segment 2 starting point, 111-2b, a line segment 2 ending point, 120, a tie rod axis, 121, a first tie rod axis, 122, a second tie rod axis, S and a processing direction, Pt1 and Pt2 … … are coordinate points, Pt1 'and Pt 2' … … are nearest coordinate points, and Pt1 'and Pt 2' … … are next nearest coordinate points.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
referring to fig. 1 to 8, an embodiment of the present invention provides a modeling method for an external packing rockery support structure linear model, which includes the following steps:
step 210, please refer to fig. 1 to 2, a plurality of truss axes 110 of the exterior rockery supporting structure are established in the modeling software with a programming interface, and each truss axis 110 is composed of a plurality of line segments 111. The modeling software includes but is not limited to CAD engineering drawing software, and the programming language of the programming interface includes but is not limited to lisp, vb, ARX (C + +), C #, and other open programming languages. Modeling software includes, but is not limited to, rhino, which may correspond to programming languages such as gradshopper (gh), Python, VB, C #, Java, and the like. Any engineering software which can be secondarily developed and only provides a programming interface can utilize the logic of the method to realize efficient and accurate modeling. Wherein the creation of the truss axis 110 can be manually created by a manually operated mouse.
In step 220, referring to fig. 2, a container is built corresponding to each truss axis 110. In the embodiment of the invention, 17 frame axes 110 are taken as an example, and 17 containers are correspondingly established and are marked as GJ01 and GJ02 … … GJ 17. The number of the truss axes 110 can be adjusted according to the engineering requirements. Wherein a container refers to a storage space.
In step 230, referring to fig. 3, coordinate points of end points of all line segments 111 on each truss axis 110 are extracted according to the processing direction and stored in corresponding containers. Each line segment 111 has two end points, which are respectively designated as a start point and an end point. The embodiment of the present invention will be described by taking two line segments on the first frame axis 110 as an example. For example, extracting coordinate points of a start point 111-1a and an end point 111-1b of the line segment 111-1 on the first frame axis 110, and extracting coordinate points of a start point 111-2a and an end point 111-2b of the line segment 111-2, wherein the end point 111-1b of the line segment 111-1 overlaps with the start point 111-2a coordinate point of the line segment 111-2, and so on, until the extraction operation of the end point coordinate points of all the line segments is completed, storing the extracted coordinate points in the container GJ 01; similarly, the end point coordinate points of the line segments of the second to seventeenth truss axes are stored in the corresponding containers, wherein the arrow S is the processing direction.
In step 240, please refer to fig. 4, the overlapped coordinate points in each container are removed. The embodiment of the present invention will be described by taking two line segments on the first frame axis 110 as an example. One of the coordinate points of the end point 111-1b of the line segment 111-1 and the coordinate point of the start point 111-2a of the line segment 111-2 overlapped in the container GJ01 corresponding to the first frame axis 110 is removed, and the coordinate point of the start point of each line segment is reserved in the embodiment of the invention for convenience of management and calculation. Taking line segments 111-1 and 111-2 as examples, the coordinate points 111-1a and 111-2a of the starting point are retained. Through the duplicate removal processing of the overlapped coordinate points, the operation speed can be improved to improve the modeling efficiency, and the redundant coordinate data is prevented from increasing the operation amount.
Step 250, referring to fig. 5, using two adjacent truss axes 110 as a group, finding out all coordinate points on the currently processed truss axis 110 and the corresponding nearest coordinate points and the next nearest coordinate points on the adjacent truss axes 110 according to the coordinate points in the container; when the number of the truss axes 110 is set to N, the truss axis groups are N-1 groups, wherein N is a positive number. In the embodiment of the present invention, 17 truss axes 110 constitute 17-1 to 16 sets of truss axes. Since the number of the truss axes 110 is set in correspondence with the containers, the containers are divided into groups by the numbers of the containers. That is, GJ01-GJ02 are the first group, GJ02-GJ03 are the second group, and so on, GJ15-GJ16 are the 15 th group, and GJ16-GJ17 are the 16 th group. In fig. 5, the truss axis 110 corresponding to the container GJ01 is used as a main processing truss, and the truss axis 110 corresponding to the container GJ02 is used as an adjacent truss. The nearest coordinate points of the coordinate point Pt1 of the container GJ01 corresponding to the container GJ02 are Pt1 'and the next nearest coordinate point Pt1 ", and the nearest coordinate points of the coordinate point Pt2 of the container GJ01 corresponding to the container GJ02 are Pt 2' and the next nearest coordinate point Pt 2". The nearest coordinate point Pt2 'and the second nearest coordinate point Pt 1' are coordinate points which are coincident.
Step 260, please refer to fig. 5 to 8, in which the distance between each coordinate point on the current handling truss axis 110 and the corresponding nearest coordinate point on the neighboring truss axis 110 is set to be L1, and the length of L1 is calculated; setting the distance between each coordinate point on the axis 110 of the current processing truss and the corresponding next closest coordinate point on the axis 110 of the adjacent truss to be L2, and calculating the length of L2;
comparing the difference value of L2-L1 with the magnitude relation of M to automatically establish a tie rod axis so as to complete the establishment of the linear model 100 of the outer package rockery supporting structure; and when the distance between the coordinate points L2 and L1 is more than M, automatically connecting each coordinate point with the nearest coordinate point to establish the tie rod axis 120 of the outer package rockery supporting structure, and when the distance between the coordinate points L2 and L1 is less than or equal to M, automatically connecting each coordinate point with the nearest coordinate point and the next nearest coordinate point simultaneously to establish the tie rod axis 120 of the outer package rockery supporting structure, wherein M is a preset distance, and M is a positive number. The preset distance includes, but is not limited to, M being greater than or equal to 100 and less than or equal to 300mm, and the preset distance M can be adaptively adjusted according to needs. Referring to fig. 5 to 6, the distance between the coordinate Pt1 and the nearest coordinate Pt1 'is L1, the distance between the coordinate Pt1 and the next nearest coordinate Pt1 "is L2, and at this time, L2-L1 is equal to or less than M, and then the coordinate Pt1 connects the nearest coordinate Pt 1' and the next nearest coordinate Pt 1" to construct the tie-rod axis 120. The distance between the coordinate point Pt2 and the nearest coordinate point Pt2 ' is L1, the distance between the coordinate point Pt2 and the next nearest coordinate point Pt2 ' is L2, and at the moment, L2-L1> M, so the coordinate point Pt1 is only connected with the nearest coordinate point Pt2 ' to construct the tie bar axis 120. Wherein fig. 7 is a schematic view of the fully-built structure of the tie bar axes 120, and fig. 8 is a final linear model.
According to the modeling method of the linear model of the outer package rockery supporting structure, the tie rod axis 120 is automatically established through modeling software with a programming interface according to the comparison relation between the difference value of L2-L1 and M, manual connection through a mouse is not needed, errors caused when a draftsman establishes the tie rod axis 120 due to visual fatigue are overcome, therefore, the modeling efficiency and the modeling precision are improved, and the modeling period is shortened. The effect is more obvious for large projects.
According to the modeling method of the linear model of the external packing rockery supporting structure, provided by the embodiment of the invention, the tie rod axis is automatically modeled, when the size of the external packing rockery supporting structure is changed or the structural design is changed, the linear model can be automatically associated and modified according to the data of the coordinate points, modification is facilitated, manual modification of each associated part is not needed, omission of the associated part is avoided, and the reliability and integrity of the modeling design after modification are ensured.
According to the modeling method of the linear model of the outer package rockery supporting structure, the coordinate point data of the end point of the line segment 111 on the truss axis 110 can be stored through the established container, and the tie rod axis 120 is established according to the conditions established by the tie rod axis 120 through the coordinate point data, so that the automation of establishing the tie rod axis 120 is realized.
According to the modeling method of the linear model of the external package rockery supporting structure provided by the embodiment of the invention, the coordinate points are connected with the next nearest coordinate point to establish the tie rod axes 120, so that a quadrangle with a large area formed by enclosing the adjacent tie rod axes 120 and the adjacent truss axes 110 is divided into two triangles, and the overall stability and the supporting strength of the modeled external package rockery supporting structure are improved.
The method for sequencing the tie bar axes in the embodiment of the invention can improve the method for constructing the tie bar axes out of order in program inclusion into the method for constructing the tie bar axes in order and regularly, so as to avoid confusion and repeated construction of the tie bar axes and improve the intelligent operation of the tie bar axes. Of course, the method of sequencing the tie bar axes is not limited to the specific embodiment described above.
The modeling method of the linear model of the outer package rockery supporting structure provided by the embodiment of the invention is characterized in that the tie rod axis 120 is established by programming and calling coordinate point data in the container by modeling software with a programming interface to automatically model. The workload and the working strength of manual mouse modeling can be reduced, and errors caused by visual fatigue are avoided.
Referring to fig. 5 and 6, in the modeling method of the linear model of the exterior rockery supporting structure according to the embodiment of the present invention, the tie bar axes may be established in the following order:
tie rod axes between one set of truss axes are automatically established first to form one set of tie rod axes, and then the next set of tie rod axes are automatically established. That is, the automatic establishment is performed in the unit of column, or in the unit of row. The advantage of automatic establishment in columns is that the containers do not need to be switched back and forth in the program, and the two adjacent containers are directly processed at one time.
The modeling method of the linear model of the outer package rockery supporting structure is provided by the embodiment of the invention, wherein the tie rod axis is established by calling coordinate point data in the container by programming of modeling software with a programming interface.
The embodiment of the invention is particularly suitable for modeling design of a large-scale and complex-modeling structural system, and has the advantages of high modeling efficiency and convenience for subsequent modification.
The present invention is not limited to the above-described specific embodiments, and it is apparent that the above-described embodiments are some, not all, of the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention. Other levels of modification and variation of the present invention may be made by those skilled in the art. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims.
Claims (4)
1. A modeling method of an external packing rockery supporting structure linear model is characterized by comprising the following steps:
building truss axes of an external packing rockery supporting structure in modeling software with a programming interface, wherein each truss axis consists of a plurality of line segments;
correspondingly establishing a container for each truss axis;
extracting coordinate points of end points of all line sections on the axis of each truss frame according to the processing direction and storing the coordinate points into corresponding containers;
removing overlapped coordinate points in each container;
finding out all coordinate points on the axis of the current processing truss and corresponding nearest coordinate points and next nearest coordinate points on the axis of the adjacent truss by taking the axes of the two adjacent trusses as a group according to the coordinate points in the container;
setting the distance between each coordinate point on the axis of the current processing truss and the corresponding nearest coordinate point on the axis of the adjacent truss to be L1, and calculating the length of L1;
setting the distance between each coordinate point on the axis of the current processing truss and the corresponding next closest coordinate point on the axis of the adjacent truss to be L2, and calculating the length of L2;
comparing the difference value of L2-L1 with the magnitude relation of M to automatically establish a tie rod axis so as to complete the establishment of an outer package rockery supporting structure linear model; and when the distance between the coordinate points L2 and L1 is more than M, automatically connecting each coordinate point with the nearest coordinate point to establish a tie rod axis of the external package rockery supporting structure, and when the distance between the coordinate points L2 and L1 is less than or equal to M, automatically connecting each coordinate point with the nearest coordinate point and the next nearest coordinate point simultaneously to establish the tie rod axis of the external package rockery supporting structure, wherein M is a preset distance, and M is a positive number.
2. A modeling method of an exterior package rockery support structure linear model according to claim 1, characterized in that the tie bar axes are established in the order:
tie rod axes between one set of truss axes are automatically established first to form one set of tie rod axes, and then the next set of tie rod axes are automatically established.
3. The modeling method for the linear model of the exterior packaging rockery support structure of claim 1, wherein the tie rod axes are established by programming coordinate point data in the container with a modeling software having a programming interface.
4. The modeling method of the linear model of an exterior rockery support structure according to claim 1, wherein the predetermined distance is 100. ltoreq. M.ltoreq.300 mm.
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