CN114820965A - Real-scene three-dimensional modeling method for holographic map construction - Google Patents
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Abstract
The invention discloses a live-action three-dimensional modeling method for holographic map construction, which relates to the technical field of live-action three-dimensional modeling and aims to solve the problems of single expression form, redundant science and insufficient art in live-action three-dimensional modeling, and the technical scheme main points are as follows: s1: collecting data; a1: sonar acquisition; a2: collecting an image; s2: contrast replacement of data; s3: recording of model data: recording the marking object, inputting the marking object into modeling software, and modeling to establish a model database; s4: and (3) model rendering and recording: the method comprises the steps of independently rendering the landmark objects, setting a plurality of groups of different modes, rendering a plurality of groups of models according to different styles, and establishing a rendering database; s5: and finishing the live-action modeling. The effects of fully detecting data, increasing modeling efficiency and increasing artistry after modeling are achieved.
Description
Technical Field
The invention relates to the technical field of live-action three-dimensional modeling, in particular to a live-action three-dimensional modeling method for holographic map construction.
Background
The three-dimensional model is a polygonal representation of an object, which is usually displayed by a computer or other video equipment, the displayed object can be a real world entity or a fictional object, any physical nature can be represented by the three-dimensional model, and the three-dimensional modeling mainly has two functions: one is to provide a basic model for numerical simulation, and the second is to be used for overall evaluation of the oil reservoir, such as risk evaluation of oil reservoir exploration and development.
The above prior art solutions have the following drawbacks: in the process of real-scene three-dimensional modeling, the terrain needs to be scanned and modeled, but many objects are similar in the process of real-scene three-dimensional modeling, the repeated modeling increases the overall construction time, and meanwhile, the overall rendering mostly only has the traditional color matching rendering, so that the problems of single expression form, redundant science and insufficient art are caused.
Disclosure of Invention
The invention aims to provide a realistic three-dimensional modeling method for information storage type modeling and art rendering type holographic map construction.
In order to achieve the purpose, the invention provides the following technical scheme:
a real scene three-dimensional modeling method for holographic map construction comprises the following steps:
s1: data acquisition: by using acousto-optic electromagnetism as a technology for a geographic data acquisition means, the constructed acousto-optic electromagnetic field theoretical model and geographic analysis model and the acousto-optic electromagnetic field time-space dynamic visualization and analysis method provide a data acquisition and analysis technology for human living environment and construction environment;
a1: sonar acquisition: on the basis of a laser radar and sonar sounding data acquisition technology, detecting the terrain of the geographical position to be detected, acquiring and recording the distance information between points;
a2: image acquisition: on the basis of a laser radar and photogrammetric data acquisition technology, the method comprises the steps of shooting a landform and a landform of a geographical position to be detected, recording the direction, the size and the dimension of each landmark object, and performing superposition calculation by shooting at multiple angles to obtain the same point of the position in the shooting process;
s2: comparative replacement of data: superposing and calculating graphs obtained by laser radar and photogrammetry to obtain a basic modeling graph, and changing and replacing data in the basic modeling graph according to data obtained by laser radar and sonar depth measurement to obtain a fidelity type real-scene three-dimensional model;
s3: recording of model data: recording the symbolic objects, inputting the symbolic objects into modeling software, setting the symbolic objects as storage modeling, directly exporting the storage modeling for modeling when similar graphic files are scanned during data acquisition, reducing the time required by repeated modeling for many times, and establishing a model database;
s4: and (3) model rendering and recording: the method comprises the steps of independently rendering a landmark object, setting a plurality of groups of different modes, rendering a plurality of groups of models according to different styles, storing the rendered models, and establishing a rendering database;
s5: and (3) completing live-action modeling: uploading the scanned topographic information, actively identifying the information in the map by an operator, identifying a landmark object in the map, putting the landmark object into a corresponding position in the map, replacing an image numerical value in the map according to data of laser radar and sonar depth measurement, forming a complete map and rendering, thereby completing modeling.
By adopting the technical scheme, different rendering modes are used for rendering the symbolic objects, the symbolic objects are stored before and after the rendering, the models are extracted in the later period conveniently, the acousto-optic electromagnetism is set to measure numerical values, the data of the models are modified conveniently, and the whole modeling is accelerated.
Further, the acoustoelectric electromagnetic technology in S1 is specifically an acoustoelectric electromagnetic data acquisition complete set of hardware and software system from a mobile phone, a micro sensor, a portable sensor to a vehicle-mounted sensor, and the acoustoelectric electromagnetic technology is specifically three recording modes of laser radar, sonar depth measurement and photogrammetry.
Through adopting above-mentioned technical scheme, laser radar, sonar sounding and photogrammetry can acquire the figure in the vision to interval between whole is acquireed through the sonar, thereby makes things convenient for whole logarithmic value to adjust, guarantees the precision behind the whole shaping.
Furthermore, the comparison and replacement of the data in S2 adopts a mode of comparing and averaging a plurality of groups of data, the data obtained by the laser radar and the sonar depth measurement in the comparison and replacement of the data is measured and calculated at least twice, and the data with a large error is obtained at least four times.
By adopting the technical scheme, the maximum value and the minimum value are removed by repeatedly acquiring data, so that a more accurate numerical value is obtained, the original error numerical value is replaced, and the error generated in the whole modeling process is reduced.
Further, the landmark objects in S3 are specifically the landmarks of the same type of building, the same type of river, and the same type of road, and the landmark objects are stored in different databases before and after rendering.
By adopting the technical scheme, the models of buildings of the same type, rivers of the same type and roads of the same type in the map are mostly consistent, the models can be directly used after numerical value modification, the symbolic objects are stored before and after rendering, and the buildings, the rivers and the roads after rendering can be directly added according to conditions.
Further, the different rendering modes in S4 are: general rendering, artistic rendering, personalized rendering and creative rendering.
By adopting the technical scheme, different rendering models are set to render the model, so that the model has identification degree and overall artistry is increased.
Further, art is rendered specifically and is added drawing and photo works to the surface of modelling and is rendered, individual character is rendered specifically and is the custom of going on through the colour collocation of modification modelling and is rendered, the intention is rendered and is specifically designed the rendering mode that has the characteristics and store and carry out follow-up rendering.
By adopting the technical scheme, the individuality and the creative style of the paintings, the photos and other works can be transferred to the map scene, and the scene expression of the individuality and the creative style is realized.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the real-scene three-dimensional modeling method for holographic map construction is used for constructing an acoustic-optical-electrical magnetic field theoretical model and a geographic analysis model and a space-time dynamic visualization and analysis method of an acoustic-optical-electrical magnetic field by using acoustic-optical-electromagnetic as a geographic data acquisition means, so that the modeled data control model can be conveniently and fully detected, and the effect of fully detecting data is generated.
2. The live-action three-dimensional modeling method for holographic map construction provides a method for calculating the mean value for multiple times, reduces the error during integral modeling, records and stores the symbolic objects before and after rendering, is convenient for next use, and has the effect of increasing the modeling efficiency;
3. the live-action three-dimensional modeling method for holographic map construction quantifies a plurality of factors of scene expression scientificity and artistry, can automatically transfer the individuality and creative style of paintings, photos and other works to a map scene, realizes the scene expression of the individuality and creative style, and increases the artistry after modeling.
Drawings
FIG. 1 is a schematic diagram of the work flow structure of the present invention.
Detailed Description
The method of the present invention is described in further detail below with reference to the accompanying drawings.
Referring to the attached figure 1, a real-scene three-dimensional modeling method for holographic map construction comprises the following steps:
s1: data acquisition: the acousto-optic-electro-magnetism is used as a technology for a geographic data acquisition means, but not for the problem of geographic data acquisition content, the acousto-optic-electro-magnetism is used as object data, environment data and resource data, namely, is used as an important component of geographic information resources to be developed and utilized, a complete set of hard software system for acquiring acousto-optic-electro-magnetism data from a mobile phone, a micro sensor, a portable sensor to a vehicle-mounted sensor is developed, and a constructed acousto-optic-electro-magnetic field theoretical model, a geographic analysis model and a space-time dynamic visualization and analysis method of acousto-optic-electro-magnetic fields provide a data acquisition and analysis technology for human living environment and battlefield environment. (ii) a
A1: sonar acquisition: on the basis of a laser radar and sonar sounding data acquisition technology, detecting the terrain of the geographical position to be detected, acquiring and recording the distance information between points;
a2: image acquisition: on the basis of a laser radar and photogrammetric data acquisition technology, the landform and the landform of a geographical position to be detected are shot, the direction, the size and the dimension of each landmark object are recorded, and the same point at the position is shot by multiple angles in the shooting process to be superposed and calculated;
s2: comparative replacement of data: superposing and calculating graphs obtained by laser radar and photogrammetry to obtain a basic modeling graph, changing and replacing data in the basic modeling graph according to data obtained by laser radar and sonar depth measurement to obtain a fidelity type real-scene three-dimensional model, wherein the contrast replacement adopts a mode of comparing and averaging a plurality of groups of data, the data obtained by laser radar and sonar depth measurement in the data contrast replacement is data measured and calculated at least twice, the data with larger error is data measured at least four times, the maximum value and the minimum value in four groups of data are deleted, and then the remaining two groups of values are averaged to obtain the optimal value;
s3: recording of model data: the method comprises the steps of recording a symbolic object, inputting the symbolic object into modeling software, setting the symbolic object to be stored for modeling, directly exporting the stored modeling for modeling when a similar graphic file is scanned during data acquisition, reducing the time required by repeated modeling for many times, establishing a model database, storing and even rendering the original modeling aiming at the problems of low operation efficiency of the current vector GIS, sudden increase of tile data organization data volume and waste of computing resources, and facilitating subsequent modeling use, wherein the symbolic object is specifically a marker of a building of the same type, a river of the same type and a road of the same type, and the symbolic object is stored in different databases before and after rendering;
s4: and (3) model rendering and recording: the method comprises the steps of independently rendering a symbolic object, setting a plurality of groups of different modes, rendering a plurality of groups of models according to different styles, storing the rendered models, establishing a rendering database, quantifying a plurality of factors of the scientificity and the artistry of the scene expression aiming at the problems of single expression form, surplus science and insufficient art of the current scene, and realizing a scientific-artistic balance scene style migration method, wherein the style rendering is common rendering, art rendering, individual rendering and creative rendering, the artistic rendering is specifically adding painting and photo works to a modeling surface for rendering, the individual rendering is specifically custom rendering performed by modifying color matching of modeling, and the creative rendering is specifically designing a rendering mode with characteristics, storing and performing subsequent rendering;
s5: and (3) completing live-action modeling: uploading the scanned topographic information, actively identifying the information in the map by an operator, identifying a landmark object in the map, putting the landmark object into a corresponding position in the map, replacing an image numerical value in the map according to data of a laser radar and a sonar depth measurement to form a complete map for rendering, thereby completing modeling, automatically transferring the individuality and creative style of works such as painting and photos to a map scene, realizing scene expression of the individuality and the creative style, and increasing the artistic effect after the integral modeling.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (6)
1. A real scene three-dimensional modeling method for holographic map construction is characterized by comprising the following steps:
s1: data acquisition: by using acousto-optic electromagnetism as a technology for a geographic data acquisition means, the constructed acousto-optic electromagnetic field theoretical model and geographic analysis model and the acousto-optic electromagnetic field time-space dynamic visualization and analysis method provide a data acquisition and analysis technology for human living environment and construction environment;
a1: sonar acquisition: on the basis of a laser radar and sonar sounding data acquisition technology, detecting the terrain of the geographical position to be detected, acquiring and recording the distance information between points;
a2: image acquisition: on the basis of a laser radar and photogrammetric data acquisition technology, the landform and the landform of a geographical position to be detected are shot, the direction, the size and the dimension of each landmark object are recorded, and the same point at the position is shot by multiple angles in the shooting process to be superposed and calculated;
s2: comparative replacement of data: superposing and calculating graphs obtained by laser radar and photogrammetry to obtain a basic modeling graph, and changing and replacing data in the basic modeling graph according to data obtained by laser radar and sonar depth measurement to obtain a fidelity type real-scene three-dimensional model;
s3: recording of model data: recording the symbolic objects, inputting the symbolic objects into modeling software, setting the symbolic objects as storage modeling, directly exporting the storage modeling for modeling when similar graphic files are scanned during data acquisition, reducing the time required by repeated modeling for many times, and establishing a model database;
s4: and (3) model rendering and recording: the method comprises the steps of independently rendering a landmark object, setting a plurality of groups of different modes, rendering a plurality of groups of models according to different styles, storing the rendered models, and establishing a rendering database;
s5: and (3) completing live-action modeling: uploading the scanned topographic information, actively identifying the information in the map by an operator, identifying a landmark object in the map, putting the landmark object into a corresponding position in the map, replacing an image numerical value in the map according to data of laser radar and sonar depth measurement, forming a complete map and rendering, thereby completing modeling.
2. The method of claim 1, wherein the method comprises: the acoustoelectric electromagnetic technology in the S1 is specifically an acoustoelectric electromagnetic data acquisition complete set of hardware and software system from a mobile phone, a micro sensor and a portable sensor to a vehicle-mounted sensor, and specifically is three recording modes of laser radar, sonar depth measurement and photogrammetry.
3. The method of claim 1, wherein the method comprises: the comparison and replacement of the data in the S2 adopt a mode of comparing and averaging a plurality of groups of data, the data obtained by laser radar and sonar depth measurement in the comparison and replacement of the data are measured and calculated at least twice, and the data with larger error are obtained at least four times.
4. The method of claim 1, wherein the method comprises: the landmark objects in S3 are specifically the landmarks of the same type of building, the same type of river, and the same type of road, and the landmark objects are stored in different databases before and after rendering.
5. The method of claim 1, wherein the method comprises: the different rendering modes in S4 are: general rendering, artistic rendering, personality rendering, and creative rendering.
6. The method of claim 5, wherein the method comprises: the art is rendered for specifically adding drawing and photo works to the modeling surface and is rendered, the individual rendering is specifically customized rendering performed by modifying color collocation of modeling, and the creative rendering is specifically a rendering mode with characteristics for design and is stored and subsequently rendered.
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