CN112069566B - Method for finding patterns of cultural relic building protection shed - Google Patents
Method for finding patterns of cultural relic building protection shed Download PDFInfo
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- CN112069566B CN112069566B CN202010774494.4A CN202010774494A CN112069566B CN 112069566 B CN112069566 B CN 112069566B CN 202010774494 A CN202010774494 A CN 202010774494A CN 112069566 B CN112069566 B CN 112069566B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/05—Geographic models
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Abstract
The embodiment of the invention discloses a method for finding the shape of a cultural relic building protection shed, which comprises the following steps: obtaining topographic data of the site; establishing a three-dimensional model of the site according to the topographic data; adopting a contour line method to the three-dimensional model at the position of a preset cultural relic protection shed, and generating a shape on a control line which is higher than a site by a first distance to form a lower skin of the cultural relic protection shed; an upper skin in the form of a cultural relic building protection shed is arranged on one side of the lower skin far away from the site, a second distance is reserved between the upper skin and the lower skin, and the central positions of the upper skin and the lower skin are curved surfaces formed by central lines of main structures; the curved surface formed by the central line of the main body structure is meshed, the building grid form of the cultural relic building protection shed is determined, the shape of the cultural relic building protection shed can be determined according to specific sites, and the cultural relic protection shed is more beneficial to protecting the cultural relic.
Description
Technical Field
The embodiment of the invention relates to the technical field of building modeling, in particular to a model finding method of a cultural relic building protection shed.
Background
The traditional design method has the advantages that the degree of freedom of the designer is higher, the free playing space is large, the designed product is relatively mechanical, the design is influenced by the individuality of the architect, and the design is not very big enough and is too aggressive and not natural. In some building sites requiring historic culture inheritance and natural ghost and magical workers, the traditional design is not fit naturally enough only by relying on the thought of the blank creative of the architect, and even the historic culture and the natural environment can be possibly destroyed.
The cultural relic protection facility is one of the common types in cultural relic protection engineering, and building a protection shed above a site is a means frequently adopted by the cultural relic protection engineering. The common building protection shed basically adopts a flat roof or a sloping roof, has a relatively rigid shape, is not fused with the natural environment, and particularly on sites with large height difference change and complex topography, the building protection shed adopting the flat roof or the sloping roof is difficult to meet the site coverage protection requirement, and the building shape is not natural enough, so that the protection utilization of cultural relics is not facilitated, and therefore, a model finding method for how to carry out the building protection shed of the cultural relics aiming at specific sites is urgently needed.
Disclosure of Invention
Therefore, the embodiment of the invention provides a method for searching the cultural relic building protection shed, which aims to solve the technical problem that how to determine the method for searching the cultural relic building protection shed according to specific sites in the prior art is more beneficial to protecting the cultural relics.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
according to an embodiment of the invention, a method for finding a cultural relic building protection shed is provided, which comprises the following steps:
obtaining topographic data of the site;
establishing a three-dimensional model of the site according to the topographic data;
adopting a contour line method to the three-dimensional model at the position of a preset cultural relic protection shed, and generating a shape on a control line which is higher than a site by a first distance to form a lower skin of the cultural relic protection shed;
an upper skin in the form of a cultural relic building protection shed is arranged on one side of the lower skin far away from the site, a second distance is reserved between the upper skin and the lower skin, and the central positions of the upper skin and the lower skin are curved surfaces formed by central lines of main structures;
and gridding the curved surface formed by the central line of the main body structure to determine the building grid form of the cultural relic building protection shed.
Further, the topographic data of the site is obtained specifically by a three-dimensional scanning technique and a site measurement means.
Further, the three-dimensional model of the site is built according to the topographic data, specifically, the three-dimensional model of the site is built according to the topographic data through rhinoceros software.
Further, the first distance is 2-5 meters.
Further, the first distance is 3 meters.
Further, the second distance is 3.8-4.5 meters.
Further, when the curved surface formed by the central line of the main body structure is gridded, the meshing is performed by using rhinoceros software and grasshopper software.
Further, gridding is carried out on a curved surface formed by the central line of the main body structure, the construction grid form of the cultural relic construction protection shed is determined, specifically, different grids are divided through parameter adjustment, and the final construction grid form of the cultural relic construction shed is determined after comparison.
Further, the epithelium is the control boundary of the upper layer blade, and the hypodermis is the control boundary of the lower layer blade.
Further, the parameters include a number of lateral divisions, a number of longitudinal divisions, and grid spacing.
The embodiment of the invention has the following advantages: according to the embodiment of the invention, the topography data of the site is obtained, the three-dimensional model of the site is built according to the topography data, the contour line method is adopted for the three-dimensional model, the shape is generated on the control line which is higher than the site by a first distance, the lower skin of the shape of the cultural relic building protection shed is formed, the upper skin of the shape of the cultural relic building protection shed is arranged on one side of the lower skin which is far away from the site, the curved surface formed by the central line of the main body structure is meshed, the building grid shape of the cultural relic building protection shed is determined, the shape of the cultural relic building protection shed can be determined for specific site, and the protection of the cultural relic is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
FIG. 1 is a flow chart illustrating a method of locating a protective shed for a cultural relic building according to an exemplary embodiment;
fig. 2 is a schematic structural view of a protection shed for a cultural relic building according to an exemplary embodiment;
in the figure: 10. an epithelium; 20. and (5) hypodermis.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
According to an embodiment of the present invention, there is provided a method for finding a shape of a protection shed for a cultural relic building, as shown in fig. 1, including:
s11, obtaining topographic data of the site;
s12, establishing a three-dimensional model of the site according to the topographic data;
s13, generating a shape on a control line which is higher than a first distance of a site by adopting a contour line method on the three-dimensional model at the position of a preset cultural relic protection shed, so as to form a lower skin of the cultural relic protection shed;
s14, setting an upper skin in the form of a cultural relic building protection shed on one side of the lower skin far away from the site, wherein a second distance is reserved between the upper skin and the lower skin, and the central positions of the upper skin and the lower skin are curved surfaces formed by central lines of main structures;
and S15, gridding a curved surface formed by the central line of the main body structure, and determining the building grid form of the cultural relic building protection shed.
According to the embodiment of the invention, the topography data of the site is obtained, the three-dimensional model of the site is built according to the topography data, the contour line method is adopted for the three-dimensional model, the shape is generated on the control line which is higher than the site by a first distance, the lower skin of the shape of the cultural relic building protection shed is formed, the upper skin of the shape of the cultural relic building protection shed is arranged on one side of the lower skin which is far away from the site, the curved surface formed by the central line of the main body structure is meshed, the building grid shape of the cultural relic building protection shed is determined, the shape of the cultural relic building protection shed can be determined for specific site, and the protection of the cultural relic is facilitated.
In some alternative embodiments, in S11, the obtaining of the topographic data of the site is specifically obtaining the topographic data of the site through a three-dimensional scanning technique and a field measurement means. The three-dimensional scanning technology scans the spatial shape and structure of the object through a three-dimensional scanner integrating light, mechanical, electrical and computer technologies to obtain the spatial coordinates of the surface of the object. The method can convert the three-dimensional information of the real object into a digital signal which is directly processed by a computer, and provides a quite convenient and quick means for digitizing the real object. The site measurement means may measure the current topography of the site by means of a level gauge, a theodolite, a total station, a GPS (global positioning system) or the like. By the technology and the means, the topographic data of the site can be obtained, and a targeted three-dimensional model is built aiming at the topography of different sites.
In some alternative embodiments, the three-dimensional model of the site is built from the topographic data, in particular by rhinoceros software. The three-dimensional model of the site is obtained by importing the data into the rhinoceros software, and the method is used for laying a mat for subsequent finding.
In some alternative embodiments, the first distance is 2-5 meters, such as 3 meters or 4 meters, etc.
The distance between the cultural relic building protection shed and the cultural relic is too large, the area of the required cultural relic building protection shed is too large, but too small, and if the first distance is too small, the space above the cultural relic is too narrow.
In some alternative embodiments, the second distance is 3.8-4.5 meters. When the second distance is selected, the need of maintenance on the cultural relic building protection shed is considered, and the second distance is set to 3.8-4.5 meters, such as 4 meters, specifically, an offset command can be adopted to outwards, namely, the position of one side far away from the site is offset by 2 meters as the central line of the main structure, and then outwards offset by 2 meters as the epithelium of the cultural relic building protection shed, so that maintenance personnel can conveniently enter the inside of the cultural relic building protection shed to carry out maintenance.
In some alternative embodiments, when the curved surface formed by the central line of the main body structure is gridded, the meshing is performed by using rhinoceros software and grasshopper software.
By using the software to format the curved surface formed by the central line of the main body structure, the shape of the cultural relic building protection shed can be determined more quickly.
In some optional embodiments, the curved surface formed by the central line of the main body structure is gridded, the construction grid form of the cultural relic construction protection shed is determined, specifically, different grids are divided through parameter adjustment, and the final construction grid form of the cultural relic construction shed is determined after comparison. The parameters include a number of horizontal strokes, a number of vertical strokes, and a grid spacing. According to different sites, different parameters can be selected, such as a horizontal dividing number of 29, a vertical dividing number of 14, a grid spacing of 0.3 m and the like, and software can divide grids according to the curved surface shape and the set number of times.
Through grid division, the building grid form of the final cultural relic building shed can be determined, and model finding is realized.
In some alternative embodiments, the epithelium is the control boundary of the upper layer blade and the hypodermis is the control boundary of the lower layer blade.
The number of layers of the blades can be selected according to the needs, and two layers are usually selected, of course, the number of layers can be more according to the needs, and the boundaries of the cultural building protection shed can be determined by arranging the epithelium and the hypodermis, so that the thickness of the cultural building protection shed can be determined.
As shown in fig. 2, a protective shed for a building of a cultural relic, which is determined by the above method, comprises an epithelium 10 and a hypodermis 20, which are divided into two layers of blades.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (7)
1. The method for finding the shape of the cultural relic building protection shed is characterized by comprising the following steps of:
obtaining topographic data of the site;
establishing a three-dimensional model of the site according to the topographic data;
adopting a contour line method to the three-dimensional model at the position of a preset cultural relic protection shed, and generating a shape on a control line which is higher than a site by a first distance to form a lower skin of the cultural relic protection shed; the first distance is 2-5 meters, and the hypodermis is the control boundary of the lower layer blade;
an upper skin in the form of a cultural relic building protection shed is arranged on one side of the lower skin far away from the site, a second distance is reserved between the upper skin and the lower skin, and the central positions of the upper skin and the lower skin are curved surfaces formed by central lines of main structures; the second distance is 3.8-4.5 meters, and the epithelium is the control boundary of the upper layer blade;
and gridding the curved surface formed by the central line of the main body structure to determine the building grid form of the cultural relic building protection shed.
2. The method for finding patterns in a protective shed for cultural relics according to claim 1, wherein the obtaining of the topographic data of the site is specifically obtained by three-dimensional scanning technology and on-site measurement means.
3. The method for finding patterns in a building protection shed for cultural relics according to claim 1, wherein the method for creating a three-dimensional model of a site according to the topographic data is specifically to create a three-dimensional model of a site according to the topographic data by rhinoceros software.
4. The method of claim 1, wherein the first distance is 3 meters.
5. The method for locating a protective shed for a cultural relic building according to claim 1, wherein when the curved surface formed by the central line of the main body structure is gridded, rhinoceros software and grasshopper software are adopted.
6. The method for locating a building protection shed for cultural relics according to any one of claims 1 to 5, wherein the curved surface formed by the central line of the main structure is gridded, the building grid form of the building protection shed for cultural relics is determined, in particular, different grids are divided through parameter adjustment, and the final building grid form of the building protection shed for cultural relics is determined after comparison.
7. The method of claim 6, wherein the parameters include a number of horizontal strokes, a number of vertical strokes, and a grid spacing.
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