CN114817440B - Engineering construction method based on GIS holographic map - Google Patents
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Abstract
The invention discloses an engineering construction method based on a GIS holographic map, which relates to the technical field of holographic map construction and aims to solve the problems that the holographic map is unfavorable to be used in engineering construction and causes damage to underground resources in the engineering construction process, and the technical scheme is characterized by comprising the following steps: s1: obtaining geographic information; s2: extracting information; s3: establishing a three-dimensional model; s4: engineering construction planning: storing and editing the obtained original three-dimensional construction diagram, removing the removed modeling in the original three-dimensional construction diagram, and adding a new building to form an existing three-dimensional modeling; a1: labeling natural resources; a2: three-dimensional management of real estate; a3: marking special resources; a4: establishing a database; s5: modeling and labeling; s6: and (5) holographic projection. The effects of reducing resource loss, fast collocation modeling and detailed display are achieved.
Description
Technical Field
The invention relates to the technical field of holographic map construction, in particular to an engineering construction method based on a GIS holographic map.
Background
The holographic map is a map which is based on computer system technology, information communication technology and laser technology, and is characterized by that on the one hand, the signal is sent by using high-coherence microwave generator, on the other hand, a beam of reference wave is sent out, on the other hand, when the aircraft is flying, the ground reflected signal received from every point on the aircraft route and another beam of reference beam are superimposed on the photosensitive film to produce a coherent pattern, and the optical holographic simulation and processing are implemented in the electronic computer.
The prior art solutions described above have the following drawbacks: most of the holographic maps are formed by matching and stacking the shot images, and the underground resources are not marked and labeled basically, so that the holographic maps are unfavorable to be used in engineering construction, and the existing holographic maps possibly damage the underground resources in the engineering construction process when being used, so that the overall cost and the resource consumption are increased.
Disclosure of Invention
The invention aims to provide an engineering construction method based on a GIS holographic map, which reduces the consumption of natural and special resources.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the engineering construction method based on the GIS holographic map comprises the following steps:
S1: obtaining geographic information: acquiring information required by holographic map making through a GIS system, and recording local natural resources and real estate distribution conditions;
S2: extracting information: extracting the collected information, extracting and utilizing characteristic points in the information, splitting the collected whole information to obtain a whole image and a characteristic point image, and constructing the whole image and the characteristic point image in a combined way;
s3: building a three-dimensional model: comparing the obtained information by using a real-scene three-dimensional model construction method of pixel-by-pixel matching and point-by-point triangular net to form a real-scene three-dimensional model, modeling the obtained natural resources and real estate resources, and integrating the natural resources and the real estate resources into the three-dimensional model according to actual conditions to form an original three-dimensional construction diagram;
S4: engineering construction planning: storing and editing the obtained original three-dimensional construction diagram, removing the removed modeling in the original three-dimensional construction diagram, and adding a new building to form an existing three-dimensional modeling;
A1: labeling natural resources: detecting the position and the ground clearance of the natural resources by using an exploration technology to obtain accurate data, determining and marking the position of the natural resources, determining the accurate position of the natural resources, and reducing the damage to the natural resources in construction;
A2: three-dimensional management of real estate: the house is taken as a characteristic point to be extracted, geological investigation is carried out on the ground of the house, house geological modeling is carried out, and the house can be independently edited as the characteristic point, so that real estate planning of a city is facilitated;
A3: marking of special resources: and marking the positions of the important objects according to the marks, setting the range of the important objects, dividing the areas for marking, and reducing the damage to the important objects in construction.
A4: establishing a database: and the characteristic point information is recorded and stored, so that the subsequent direct use is facilitated.
S5: modeling and marking: the method comprises the steps that the whole framework of engineering construction planning is presented on the basis of a three-dimensional model, and the spatial position, geometric form, action mechanism and attribute characteristics of the planned feature points are marked and displayed on modeling;
S6: holographic projection: holographic projection is carried out on the three-dimensional model diagram after engineering construction planning, partial projection and enlarged projection are supported, and the three-dimensional model diagram directly acts on engineering construction.
By adopting the technical scheme, the marks of the natural resources, the real estate and the special resources are arranged, and the underground natural resources and the special resources can be identified in the graph, so that the damage to the underground natural resources and the special resources in engineering construction is prevented, and the loss is increased.
Furthermore, the geographic information in the step S1 is obtained by using an acousto-optic electromagnetic technology, the acousto-optic electromagnetic technology is specifically an acousto-optic electromagnetic data acquisition complete set of hardware and software system of a mobile phone, a micro sensor, a portable sensor or a vehicle-mounted sensor, and the acousto-optic electromagnetic technology adopts three modes of photogrammetry, laser radar and sonar sounding.
Through adopting above-mentioned technical scheme, laser radar, sonar sounding and photogrammetry can acquire the figure in the vision to acquire through the interval between the sonar to whole, thereby make things convenient for whole to adjust the numerical value, guarantee the precision after the whole shaping.
Further, the feature points in the step S2 are specifically the markers of the same type of building, the same type of river and the same type of road.
By adopting the technical scheme, the models of the same type of buildings, the same type of rivers and the same type of roads in the map are mostly consistent, the map can be directly used after numerical values are modified, the marked objects are stored before and after rendering, and the rendered buildings, rivers and roads can be directly added according to the conditions.
Further, the characteristic point information in the A4 building database is specifically: real estate information, special resource new cars and natural resource information.
By adopting the technical scheme, after the database is built, the integral modeling can be repeatedly used, the modeling is not required to be re-modeled in the next modeling process, only the data is required to be modified, and the integral secondary modeling speed is increased.
In summary, the beneficial technical effects of the invention are as follows:
1. The engineering construction method based on the GIS holographic map is applied to three-dimensional modeling of live-action, three-dimensional management of natural resources and real property, urban geological modeling and underground space resource management, and reduces resource damage generated in the whole construction process, thereby producing the effect of reducing resource loss;
2. According to the engineering construction method based on the GIS holographic map, the feature points are extracted independently and modeled, so that the feature points in the direct map are convenient to replace, the requirement of feature planning is met, rapid collocation modeling can be performed at any time, the feature points are modified independently, data and specific features are convenient to modify, and the modeling is convenient to modify, so that the effect of rapid collocation modeling is achieved;
3. According to the engineering construction method based on the GIS holographic map, the feature points in modeling are standardized and projected, so that the whole structure and the size are ensured to be clear at a glance, the construction is convenient, and the detailed display effect is generated.
Detailed Description
The method of the present invention is described in further detail below.
The engineering construction method based on the GIS holographic map is characterized by comprising the following steps of:
S1: obtaining geographic information: acquiring information required by holographic map making through a GIS system, recording local natural resources and real property distribution conditions, converting a real three-dimensional world into a two-dimensional graph and an image by current mapping, abstracting a real geographic entity into a map symbol, reflecting the problem of seriously weakening scene authenticity although map scientificity, developing a real three-dimensional model construction method of pixel-by-pixel matching, point-by-point triangulation and the like based on data acquisition technologies such as photogrammetry, liDAR, sonar sounding and the like, and a real three-dimensional model simplification method based on the model, wherein the geographic entity acquisition method on different scale models is required to form a novel basic mapping product, namely a real three-dimensional model;
S2: extracting information: extracting and utilizing collected information, extracting and utilizing characteristic points in the information, splitting the collected overall information to obtain an overall diagram and a characteristic point diagram, combining and constructing the overall diagram and the characteristic point diagram, wherein acousto-optic and electromagnetic are used as a technology for geographic data acquisition means instead of the problem of geographic data acquisition content, the acousto-optic and electromagnetic are used as object data, environment data and resource data, namely important components of geographic information resources, a constructed acousto-optic and electromagnetic field theoretical model, a constructed geographic analysis model and a space-time dynamic visualization and analysis method of the acousto-optic and electromagnetic field provide a data acquisition and analysis technology for living environments and construction environments, and the characteristic points are particularly markers of the same type of buildings, the same type of rivers and the same type of roads;
s3: building a three-dimensional model: comparing the obtained information by using a real-scene three-dimensional model construction method of pixel-by-pixel matching and point-by-point triangular net to form a real-scene three-dimensional model, modeling the obtained natural resources and real estate resources, and integrating the natural resources and the real estate resources into the three-dimensional model according to actual conditions to form an original three-dimensional construction diagram;
S4: engineering construction planning: storing and editing the obtained original three-dimensional construction diagram, removing the removed modeling in the original three-dimensional construction diagram, and adding a new building to form an existing three-dimensional modeling;
A1: labeling natural resources: detecting the position and the ground clearance of the natural resources by using an exploration technology to obtain accurate data, determining and marking the position of the natural resources, determining the accurate position of the natural resources, and reducing the damage to the natural resources in construction;
A2: three-dimensional management of real estate: the house is taken as a characteristic point to be extracted, geological investigation is carried out on the ground of the house, house geological modeling is carried out, and the house can be independently edited as the characteristic point, so that real estate planning of a city is facilitated;
A3: marking of special resources: and marking the positions of the important objects according to the marks, setting the range of the important objects, dividing the areas for marking, and reducing the damage to the important objects in construction.
A4: establishing a database: the real estate information, the special resource new vehicle and the natural resource information are recorded and stored, so that the method is convenient for subsequent direct use and is applied to real scene three-dimensional modeling, three-dimensional management of natural resources and real estate, urban geological modeling and underground space resource management.
S5: modeling and marking: the method comprises the steps that the whole framework of engineering construction planning is presented on the basis of a three-dimensional model, and the spatial position, geometric form, action mechanism and attribute characteristics of the planned feature points are marked and displayed on modeling;
S6: holographic projection is carried out on the three-dimensional model graph after engineering construction planning, partial projection and enlarged projection are supported, the holographic projection directly acts on engineering construction, the detailed size standard is achieved, and the engineering map can be conveniently checked at any time.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (2)
1. The engineering construction method based on the GIS holographic map is characterized by comprising the following steps of:
S1: obtaining geographic information: acquiring information required by holographic map making through a GIS system, and recording local natural resources and real estate distribution conditions;
S2: extracting information: extracting the collected information, extracting and utilizing characteristic points in the information, splitting the collected whole information to obtain a whole image and a characteristic point image, and constructing the whole image and the characteristic point image in a combined way;
The feature points are specifically the markers of the same type of buildings, the same type of rivers and the same type of roads, the models of the same type of buildings, the same type of rivers and the same type of roads in the map are mostly consistent, the same type of buildings, the same type of rivers and the same type of roads are directly used after numerical values are modified, the marked objects are stored before and after rendering, and the rendered buildings, rivers and roads are directly added according to the situation;
s3: building a three-dimensional model: comparing the obtained information by using a real-scene three-dimensional model construction method of pixel-by-pixel matching and point-by-point triangular net to form a real-scene three-dimensional model, modeling the obtained natural resources and real estate resources, and integrating the natural resources and the real estate resources into the three-dimensional model according to actual conditions to form an original three-dimensional construction diagram;
S4: engineering construction planning: storing and editing the obtained original three-dimensional construction diagram, removing the removed modeling in the original three-dimensional construction diagram, and adding a new building to form an existing three-dimensional modeling;
A1: labeling natural resources: detecting the position and the ground clearance of the natural resources by using an exploration technology to obtain accurate data, determining and marking the position of the natural resources, determining the accurate position of the natural resources, and reducing the damage to the natural resources in construction;
A2: three-dimensional management of real estate: the house is taken as a characteristic point to be extracted, geological investigation is carried out on the ground of the house, house geological modeling is carried out, and the house can be independently edited as the characteristic point, so that real estate planning of a city is facilitated;
A3: marking of special resources: marking the positions of the important objects according to the marks, setting the range of the important objects, dividing the areas for marking, and reducing the damage to the important objects in construction;
A4: establishing a database: the characteristic point information is recorded and stored, so that the subsequent direct use is facilitated;
The characteristic point information in the database is established specifically as follows: real estate information, special resource new vehicles and natural resource information;
S5: modeling and labeling, namely, labeling and displaying the space position, geometric form, action mechanism and attribute characteristics of the planned feature points on the modeling by presenting the whole framework of engineering construction planning on the basis of a three-dimensional model;
S6: holographic projection: holographic projection is carried out on the three-dimensional model diagram after engineering construction planning, partial projection and enlarged projection are supported, and the three-dimensional model diagram directly acts on engineering construction.
2. The engineering construction method based on the GIS holographic map according to claim 1, wherein the engineering construction method is characterized in that: the geographic information in the S1 is acquired by using an acousto-optic electromagnetic technology, the acousto-optic electromagnetic technology is specifically an acousto-optic electromagnetic data acquisition complete set of hardware and software system of a mobile phone, a micro sensor, a portable sensor or a vehicle-mounted sensor, and the acousto-optic electromagnetic technology adopts three modes of photogrammetry, laser radar and sonar sounding.
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