CN115374522A - Plant digital modeling method based on BIM technology, model and memory - Google Patents
Plant digital modeling method based on BIM technology, model and memory Download PDFInfo
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Abstract
The invention provides a plant digital modeling method based on a BIM technology, a model and a memory, wherein a plant outline model is constructed by extracting plant information and carrying out sorting and rough machining treatment, fine machining treatment is carried out according to the plant information, after modeling is completed, format conversion is carried out and plant information is input, and the plant outline model is poured into Lumion software for scene matching and layout to generate a final plant data model. The plant data model constructed by the invention can realize restoration of endangered extinct or precious plants, is convenient for extracting information, is in butt joint with VR technology, and can realize online browsing and checking of digital endangered plant gardens at home. The teaching aid can also be applied to professional course teaching of garden engineering schools, so that the learning interest of students is improved, and the teaching quality is improved.
Description
Technical Field
The invention relates to the technical field of BIM modeling, in particular to a plant digital modeling method, a model and a memory based on BIM technology.
Background
The existing plant modeling mode is that plant modeling is carried out through Revit software plant family, plant modeling is carried out through built-in self-contained functions of Revit, and modeling is mainly carried out through self-contained functions and parameters of software. Revit has a weak modeling function for the irregular polyhedron, and related technicians hardly meet the morphological requirements of plants through a built-in model of Revit, which wastes time and manpower. In addition, the plants are relatively diverse, the same kind of plants can have various different forms, and therefore, a modeling worker can increase a lot of workload.
In recent years, the BIM technology is relatively widely applied to the domestic engineering construction industry, but the related technology in the garden industry is relatively less applied to gardens, and the corresponding research is relatively lagged. In view of the above, we will use the requirements of landscape design and landscape engineering as the entry points to establish a set of digital model making process and method for landscape plants based on BIM technology. The requirements of technical personnel in each specialty in the whole life cycle of the garden landscape engineering on the non-geometric attributes of the garden plants, such as size, height, shape, ecological characteristics, daily maintenance management technology, biological attributes and the like, are met.
Disclosure of Invention
Aiming at the technical problems, the invention provides a plant digital modeling method, a model and a memory based on the BIM technology, wherein the plant digital modeling method, the model and the memory are used for constructing a plant data model after processing collected plant information and are in butt joint with the VR technology, so that the digital approaching plant garden can be browsed and checked on line at home. And then the plant data model of various different plants that will establish types the plant model storehouse, can be used for the specialty course teaching of garden engineering school, improves student's interest in learning, improves the quality of teaching simultaneously.
Specifically, the plant digital modeling method based on the BIM technology comprises the following steps:
s1, collecting plant information, wherein the plant information at least comprises the variety, name, alias, leaf texture picture, rhizome texture picture, whole tree appearance picture and growth environment characteristics of the plant;
s2: extracting the plant information, and performing finishing and rough processing treatment;
s3: constructing a plant contour model, and performing fine processing according to the plant information;
s4: after modeling is completed, format conversion is carried out, plant information is input, and the plant information is poured into Lumion software for scene collocation and layout to generate a final plant data model;
s5: and outputting the plane drawing.
The plant data model can be displayed by being connected with VR equipment.
And extracting the plant information, and scanning or shooting the collected leaves, rhizomes, vein lines and the appearance of the whole tree of the plant by at least adopting any one or more devices of a scanner, a digital camera and an ultra-micro distance camera.
Wherein the S2 further comprises: the collected plant information is sorted according to the types respectively, and rough machining treatment is carried out, wherein the rough machining treatment at least comprises the steps of mixing colors of plant images, setting the size proportion, adjusting the plant colors and removing stains in the images.
The S3 further comprises: and modeling the plant outline by adopting speedTree Cinema software, and performing fine processing treatment on the plant outline, wherein the fine processing treatment at least comprises the steps of adding corresponding material information, adding picture patches in the plant information and completing the construction of a plant prototype model.
The format conversion and the plant information input are specifically as follows: and converting the plant prototype model into a compatible format corresponding to the BIM software, and respectively inputting the plant name, the plant category, the planting position, the growth environment, the growth age and the plant volume source planting place information of the plant into the BIM software.
Then, plant data models of various different plants are sequentially constructed, and a plant model library is established, wherein the plant model library supports connection in various forms and is exported to any BIM software for application.
As another preferred, the invention further provides a plant digital model based on the BIM technology, which is built by adopting the plant digital modeling method based on the BIM technology as described above, and is stored in a plant model library for application in any BIM software modeling. The model may be presented in connection with a VR device.
As another preferred, the present invention further provides a memory, on which a computer program is stored, which when executed by a processor implements the steps of the plant digital modeling method based on the BIM technique as described above, so as to implement the construction of the plant digital model.
In summary, the present invention provides a plant digital modeling method, a model and a memory based on the BIM technology, which construct a plant contour model by extracting the plant information and performing sorting and rough processing, perform fine processing according to the plant information, perform format conversion and plant information input after modeling is completed, and pour the model into Lumion software for scene matching and layout to generate a final plant data model. The plant data model constructed by the invention can realize restoration of endangered or precious plants, is convenient for extracting information, is in butt joint with VR technology, and can realize online browsing and viewing of digital endangered plant gardens at home. The teaching aid can also be applied to professional course teaching of garden engineering schools, so that the learning interest of students is improved, and the teaching quality is improved.
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FIG. 1 is a flow chart of the plant digital modeling method based on the BIM technology.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to the invention, through plant digital modeling based on the BIM technology, the original appearances of different plant varieties can be effectively restored, and the user can obtain 'personally on the scene' experience by combining technologies such as VR, AR and the like.
The invention relates to a plant digital modeling method based on a BIM technology, which comprises the following steps:
s1, collecting plant information, wherein the plant information at least comprises the variety, name, alias, leaf texture picture, rhizome texture picture, whole tree appearance picture and growth environment characteristics of the plant.
The collected plant information can be obtained by finding information, pictures and the like on line, but is not limited to the above.
S2: and extracting the plant information, and performing finishing and rough processing treatment.
And extracting the plant information, and scanning or shooting the collected leaves, rhizomes, vein lines and the appearance of the whole tree of the plant by at least adopting any one or more devices of a scanner, a digital camera and an ultra-micro distance camera.
Preferably, the collected plant information is classified, and is sorted by adopting PS software (Adobe Photoshop), and is subjected to rough processing, wherein the rough processing at least comprises color modulation of plant images, size ratio setting, plant color adjustment and stain removal in the images.
Preferably, the extraction of plant information and the finishing and crude processing comprises the following detailed processes:
first, the process is completed in software: color (Color), opacity (Opacity), normal (Normal), gloss (Gloss or roughness), specular (highlight), subsurface (Subsurface)
(1) Collecting the picture and character data of plant leaves (dead leaves, green leaves and the like), barks, plant growth characteristics, overall appearance and the like, and auditing and screening the required materials (the materials can be obtained by shooting the surface of the plant through a macro camera).
(2) And (3) introducing PS software (Adobe Photoshop), modifying the periphery of the leaves into the most colors on the leaves, optimizing stains in the pictures and the like, and storing the stains as Color (Color) maps.
(3) Making an Opacity map on a Color map using PS software (Adobe Photoshop)
The leaves are buckled out and filled with white, the outer parts of the leaves are filled with black, and the Opacity map is obtained by storing.
(4) Importing the Color map into Crazybump software, clicking a corresponding icon, and selecting the type of the map to be imported, wherein the types are as follows: selecting a common photo, importing a Color map, generating two normal types for selection by Crazybump, selecting the first normal type under normal conditions, storing all the Save buttons, and obtaining an original picture, a normal map, a replacement map, an OCC map, a highlight map and a Color map.
(5) Summarizing and mapping: color map and Opacity map stored in PS software (Adobe Photoshop). Normal (normal) maps saved using Crazybump software, OCC maps saved using Crazybump software for gloss (gloss or roughness), light maps saved using Crazybump software for gloss (highlight), and replacement maps saved using Crazybump software for subsurface (subsurface) for 5. Sub-surface, the map saving path cannot have chinese.
S3: and constructing a plant contour model, and performing fine processing according to the plant information.
Preferably, speedTree Cinema software is adopted to model the plant outline, and fine processing treatment is carried out on the plant outline, wherein the fine processing treatment at least comprises the steps of adding corresponding material information, adding picture patches in the plant information, confirming that the arrangement and the position of the plant model are consistent with the collected data description, and completing the construction of the plant prototype model. The method comprises the following specific steps:
(1) carefully researching the collected pictures and the character data, primarily screening whether branches and leaves meet requirements, selecting a picture of the whole plant as a reference, and modeling the plant according to the shape on the selected picture.
(2) When a project is newly built, the project naming can not be carried with Chinese.
(3) Newly-built trunk, the trunk has multiple selection, selects the plant trunk that best accords with needs and does, adds the branch on the basis of trunk, and the shape selection of branch and trunk is all the same. Adding branches for several times according to the most proper selection, performing overall optimization after adding the branches for several times, adjusting the overall shape of the reference picture, and performing detailed optimization after completing the overall shape adjustment to ensure that the shape of each branch corresponds to the branch growth state of the corresponding plant.
(4) Adding leaves according to the requirement of newly-built plants, and selecting corresponding leaves to be added to the branches at the tail ends.
(5) Newly building trunks and leaf Materials (names can not have Chinese characters), adding Color (Color) maps, opacity maps, normal (Normal) maps, gloss (Gloss or roughness) maps, specular (highlight) maps and Subsurface maps on the corresponding newly-built Materials on a Materials panel, adding no Opacity map on the trunks, and clicking Edit after adding to enter an Edit cut-in (material name) panel. Tessellation under the Options is to adjust the number of faces of leaves (the more the number of faces is, the finer the shape of the leaves to be adjusted later is), and to adjust the appropriate number of faces according to the configuration of computer equipment.
(6) Newly-built trunk material is added to the trunk, and the leaf adds the material of leaf, and the leaf adds the material back, adjusts the size, the crooked degree, the position etc. of leaf, and the parameter of every leaf adjustment need give certain random number value.
(7) And finally, checking the number of the whole surfaces of the model, wherein the number of the whole surfaces is not more than the number of the bearing surfaces of the computer.
(8) A copy of the sped Tree's spm format (all pictures need to be saved) is saved, and a copy of the lumion's acceptable file format (e.g.: fbx,. Obj) is exported.
S4: after the modeling is completed, format conversion is performed, for example, to fbx format or obj format. And inputting plant information, pouring the plant information into Lumion software for scene collocation and layout, and specifically operating as follows: (1) open lumion software, (2) create a new project or load a project, (3) click-and-import a new model, (4) select Speed Tree exported. Fbx or. Obj files (generally select. Fbx format files because the. Obj file imports lumion can become very large and not well-tuned), (5) place post-import on the project where needed. The method comprises the steps of determining that the coordinate positions and the orientations of all leaf models and rhizome models on the field model are correct through functions of software such as moving, copying, modifying and material adding, and generating a final plant data model.
Preferably, the plant prototype model is converted into a compatible format corresponding to the BIM software, and the plant name, the plant category, the planting position, the growth environment of the plant, the growth age and the plant source planting area information are respectively recorded into the BIM software.
S5: and outputting the plane drawing. Preferably a CAD drawing.
Further, plant data models of various different plants are sequentially constructed, and a plant model library is established, wherein the plant model library supports connection in various forms and is exported to any BIM software for application.
As another preferred, the invention further provides a plant digital model based on the BIM technology, which is built by adopting the plant digital modeling method based on the BIM technology as described above, and is stored in a plant model library for application in any BIM software modeling. The model may be presented in connection with a VR device.
Preferably, the modeling software at least comprises 3Dmax, CAD, revit software, rhino software, sketchUp software and Bentley Openrows Designer software, but is not limited to the software, and is used for completing BIM model building and deepening; and solve some complicated positions, modeling of the special-shaped position; and viewing and drawing a planar graph and the like.
And software for virtual scene layout, including at least Lumion, twinmotion and Adobe After Effects, but not limited thereto, for roaming video, effect map rendering; later stage jointing VR technique; three-dimensional rendering, effect drawing and video post-editing.
As another preferred, the present invention further provides a device, which is any one of the computer devices, and includes a memory and a processor, wherein the memory stores a computer program, and the processor executes the computer program to implement the steps of the plant digital modeling method based on the BIM technique as described above.
The method and the implementation function thereof can be stored in a computer readable memory if the method and the implementation function thereof are implemented in the form of software functional modules and sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a memory and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned memory comprises: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, the functional modules in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A plant digital modeling method based on BIM technology is characterized by comprising the following steps:
s1, collecting plant information, wherein the plant information at least comprises the variety, name, alias, leaf texture picture, rhizome texture picture, whole tree appearance picture and growth environment characteristics of the plant;
s2: extracting the plant information, and performing finishing and rough processing treatment;
s3: constructing a plant contour model, and performing fine processing according to the plant information;
s4: after modeling is completed, format conversion is carried out, plant information is input, and the plant information is poured into Lumion software for scene collocation and layout to generate a final plant data model;
s5: and outputting the plane drawing.
2. The plant digital modeling method based on BIM technology as claimed in claim 1, wherein said plant data model can be displayed by connecting with VR device.
3. The BIM technology-based plant digital modeling method as claimed in claim 2, wherein the plant information is extracted, and at least one or more of a scanner, a digital camera and a super macro camera is/are used to scan or shoot the collected leaves, rhizomes, vein lines and the appearance of the whole tree of the plant.
4. The plant digital modeling method based on BIM technology as claimed in claim 3, wherein said S2 further comprises: the collected plant information is sorted according to the types respectively, and rough machining treatment is carried out, wherein the rough machining treatment at least comprises the steps of mixing colors of plant images, setting the size proportion, adjusting the plant colors and removing stains in the images.
5. The plant digital modeling method based on BIM technology as claimed in claim 4, wherein said S3 further comprises: and modeling the plant outline by adopting speedTree Cinema software, and performing fine processing treatment on the plant outline, wherein the fine processing treatment at least comprises the steps of adding corresponding material information, adding picture patches in the plant information and completing the construction of a plant prototype model.
6. The plant digital modeling method based on the BIM technology as claimed in claim 5, wherein the format conversion and the plant information entry are specifically: and converting the plant prototype model into a compatible format corresponding to the BIM software, and respectively inputting the plant name, the plant category, the planting position, the growth environment, the growth age and the plant volume source planting place information of the plant into the BIM software.
7. The plant digital modeling method based on the BIM technology as claimed in claim 6, further comprising: sequentially constructing plant data models of various plants, and establishing a plant model library, wherein the plant model library supports connection in various forms and is exported to any BIM software for application.
8. A plant digital model based on BIM technology, characterized in that the plant digital model is built by the plant digital modeling method based on BIM technology as claimed in any one of claims 1-7, and is stored in a plant model library for application in any BIM software modeling.
9. The BIM technology-based plant digitization model of claim 8, wherein the model is displayable in connection with a VR device.
10. A memory on which a computer program is stored, wherein the program is executed by a processor to implement the steps of the method for plant digital modeling based on BIM technique according to any one of claims 1 to 7, so as to implement the construction of the plant digital model.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117173367A (en) * | 2023-08-09 | 2023-12-05 | 中国建筑西南设计研究院有限公司 | Method and equipment for establishing dynamic landscape plant component library based on Rhino |
| CN117271859A (en) * | 2023-11-22 | 2023-12-22 | 中国建筑西南设计研究院有限公司 | Method, device and equipment for rapidly generating landscape engineering parameter information |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117173367A (en) * | 2023-08-09 | 2023-12-05 | 中国建筑西南设计研究院有限公司 | Method and equipment for establishing dynamic landscape plant component library based on Rhino |
| CN117173367B (en) * | 2023-08-09 | 2024-06-04 | 中国建筑西南设计研究院有限公司 | Method and equipment for establishing dynamic landscape plant component library based on Rhino |
| CN117271859A (en) * | 2023-11-22 | 2023-12-22 | 中国建筑西南设计研究院有限公司 | Method, device and equipment for rapidly generating landscape engineering parameter information |
| CN117271859B (en) * | 2023-11-22 | 2024-01-30 | 中国建筑西南设计研究院有限公司 | Method, device and equipment for rapidly generating landscape engineering parameter information |
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