CN115270530A - Method, system, device and medium for rapidly establishing progress visualization model - Google Patents
Method, system, device and medium for rapidly establishing progress visualization model Download PDFInfo
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Abstract
The invention discloses a method, a system, equipment and a medium for quickly establishing a progress visualization model, wherein the method comprises the following steps: acquiring work area grouping information; obtaining a CAD drawing and carrying out base map conversion; calling a model editor to divide the working sections of the base map based on the work area grouping information; extracting boundary points of the target working section, drawing a closed region based on the extracted boundary points, and generating a model based on the drawn closed region; and associating the model with the work area. The method and the device utilize the model editor to divide and edit the sections of the construction drawing, realize the free adjustment of the model sections, and the adjustment process does not need the re-intervention development of developers and modeling personnel, thereby greatly improving the section modification efficiency and reducing the workload of the developers in the system maintenance process.
Description
Technical Field
The invention relates to the field of building construction, in particular to a method, a system, equipment and a medium for quickly establishing a progress visualization model.
Background
In the building of the engineering BIM model, the building of the BIM model is complicated, the modeling cost is long, the pressure of the real-time rendering of the model on hardware equipment is large, and the interaction experience is influenced, so that a method for quickly building the engineering visual model is needed, the construction progress and the model building can be connected and integrated, and the quick building of the progress visual model is realized.
Most of the existing progress visualization models rely on BIM detailed models (such as revit) generated by engineering construction drawings, after model files are imported through a PC (personal computer) end of a project management platform, project construction tasks are reasonably disassembled in combination with on-site construction deployment, disassembled construction sections are articulated with actual regions of the models, and the system achieves visualization capacity of real-time progress of engineering on the BIM through information acquisition of progress of each construction section.
The prior art has the following defects:
1. the rendering progress of the construction detailed model has high requirements on hardware performance, and the visual interface is slowly loaded.
2. The user needs to maintain the current construction state for each model component, so that a great deal of effort is required to be invested in the construction process for model progress maintenance.
3. Uncertain factors such as construction content change and the like often occur in engineering construction, so that model section division needs to be adjusted frequently in the process, and modeling and section code association need to be carried out again each time the model section is adjusted.
4. When the number of model sections changes, the historical data will lose the hitching relation due to the regeneration of the model. The existing solution does not process the historical data, or stores the data before modification in full during each modification, and when the historical data needs to be checked, the model is rendered again at the front end according to the previous model parameters for displaying, so that the efficiency is extremely low, and the consumed time is long.
5. The model section adjustment randomly occurs at different stages of the engineering project, and the conventional method has no regularity, so that the conventional method is difficult to deal with the condition that the operation section division frequently changes.
Disclosure of Invention
To overcome the above-mentioned deficiencies of the prior art, the present invention provides a method, a system, a device and a medium for rapidly establishing a progress visualization model, so as to solve at least one of the above-mentioned technical problems.
In one aspect, the invention provides a method for quickly establishing a progress visualization model, which comprises the following steps:
acquiring work area grouping information;
obtaining a CAD drawing and carrying out base map conversion;
based on the work area grouping information, calling a model editor to divide the work area of the base map;
extracting boundary points of a target working region, drawing a closed region based on the extracted boundary points, and generating a model based on the drawn closed region;
and associating the model with the work area.
According to the technical scheme, the work sections are divided according to the work area grouping information, so that the divided work sections correspond to the actual project construction areas; boundary point extraction, closed region drawing and model generation are carried out on the divided working regions, and a model corresponding to the working region is obtained on the premise of not needing to re-model and segment association codes; and rapidly establishing a construction progress visualization model of the actual construction area of the project through corresponding association of the model and the work area.
According to the technical scheme, the construction drawing is divided and edited by the model editor, so that the free adjustment of the model section is realized, developers and modeling personnel do not need to intervene in the adjustment process again, the section modification efficiency is greatly improved, and the workload of the developers in the system maintenance process is reduced.
As a further technical solution, when the work section needs to be adjusted, the following steps are executed:
acquiring new work area grouping information;
according to the new work area grouping information, the model editor is used for re-executing work area division on the original base map, and boundary point extraction, closed area drawing and model generation are executed on the re-divided work area;
and associating the model with the new work area.
The technical scheme is used for adjusting model sections (division forms) which may frequently appear in engineering construction threads, secondary editing and combination are carried out on the base map of the development model, modification of the work sections of the engineering construction project is achieved, modeling personnel are not needed to re-establish related models, and the tedious process of re-modeling and uploading is avoided.
Furthermore, on the basis of the previous division of the working sections, the repartitioning of the working sections can be realized through the movement of contour lines at the adjacent positions of the sections, and the adjustment efficiency of the working sections is improved.
As a further technical solution, the model editor is in a grid form, and automatically generates a specified number of grids according to a preset grid division granularity.
Further, the uploaded CAD drawing can be regarded as a picture which can be displayed through a webpage, and the picture is converted into a base picture to be overlaid at the bottom of the model editor to be used as a base picture copied by the model editor, so that the drawing on the base picture can be subjected to section description through the model editor. The base graph herein may also be understood as a template used by the model editor depiction.
And when the working area is divided, the model editor is used for drawing the outline of the target working area by taking the base map as a template according to the working area grouping information.
When the boundary points of the working area are extracted, the model editor is taken as a whole, and coordinate assignment and attribute identification are carried out on each grid so as to facilitate the identification and extraction of the boundary points.
When drawing the closed region, the model editor is used for connecting the boundary points to form the closed region of the work section.
As a further technical solution, different section identifiers are given to grids belonging to different work sections; the grid not belonging to any of the work sections is given a section identification of 0.
By giving the section identification, it is convenient to identify which grids each work section contains, and further to facilitate the boundary point extraction of each work section.
As a further technical scheme, when the boundary point of the working area is extracted, the following steps are executed:
constructing a coordinate system based on a model editor to enable each grid to correspond to one coordinate point;
acquiring coordinate points contained in the corresponding working sections according to the section identifications of the working sections;
and traversing all points in the working section, and if the section identification of a certain point and at least one adjacent point is inconsistent, extracting the certain point as a boundary point.
Alternatively, after obtaining all boundary points of a work section, the closed region of the work section may be drawn by the model editor.
Optionally, after obtaining all boundary points of all the working sections, drawing the closed region of each working section through the model editor.
As a further technical solution, when generating a model based on a drawn closed region, the following steps are performed:
constructing a three-dimensional scene model, and endowing the model with a unique identification code;
rendering a three-dimensional scene based on WebGL;
and compressing and packaging the rendered model.
As a further technical solution, the method further comprises: and associating the work areas with the service data to enable each work area to correspond to a plurality of service data. Through the one-to-one corresponding correlation between the work area and the model and the correlation between the work area and the service data, the service data can be displayed on the model.
In one aspect, the present invention provides a system for rapidly establishing a progress visualization model, including:
the input module is used for acquiring a CAD drawing and performing base map conversion;
the work area grouping module is used for acquiring work area grouping information;
the section division module is used for calling a model editor to divide the working sections of the base map based on the work area grouping information;
the model generation module is used for extracting boundary points of the target working section, drawing a closed region based on the extracted boundary points and generating a model based on the drawn closed region;
and the association module is used for associating the model with the work area.
According to the technical scheme, the working section can be freely adjusted according to the construction progress of the actual project, the progress visual model can be established, and the model section on the user side can be freely adjusted without the help of developers or modelers.
In one aspect, the present invention provides a computer device, which includes a processor, a memory, and a computer program stored on the memory and executable by the processor, wherein the computer program, when executed by the processor, implements the steps of the method for rapidly building a progress visualization model.
In one aspect, the present invention provides a computer-readable storage medium, on which a computer program is stored, wherein the computer program, when being executed by a processor, implements the steps of the method for rapidly building a progress visualization model.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the work area grouping information, the work area is divided, so that the divided work areas correspond to the actual project construction areas; boundary point extraction, closed region drawing and model generation are carried out on the divided working regions, and a model corresponding to the working region is obtained on the premise of not needing to re-model and segment association codes; and realizing the rapid establishment of the construction progress visualization model of the actual construction area of the project through the corresponding association of the model and the work area.
(2) The method and the device utilize the model editor to divide and edit the sections of the construction drawing, realize the free adjustment of the model sections, and the adjustment process does not need the re-intervention development of developers and modeling personnel, thereby greatly improving the section modification efficiency and reducing the workload of the developers in the system maintenance process.
Drawings
Fig. 1 is a flowchart of a method for rapidly building a progress visualization model according to an embodiment of the present invention.
Fig. 2 is a schematic diagram illustrating a corresponding relationship between a work area, a model, and service data according to an embodiment of the present invention.
FIG. 3 is a diagram illustrating a coordinate system established on a model editor, according to an embodiment of the invention.
Fig. 4 is a schematic diagram of assigning a segment identifier to each mesh according to an embodiment of the present invention.
FIG. 5 is a code diagram of four neighboring points of a lookup point according to an embodiment of the invention.
FIG. 6 is a code diagram illustrating boundary point determination according to an embodiment of the present invention.
FIG. 7 is a code diagram illustrating the extraction of all boundary points of a work segment according to an embodiment of the present invention.
Fig. 8 is a schematic diagram of the boundary of the working area according to the embodiment of the present invention.
Fig. 9 is a schematic structural diagram of a computing device according to an embodiment of the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood 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 of the present invention without any inventive step, are within the scope of the present invention.
The invention provides a method for quickly establishing a progress visualization model on one hand, which comprises the following steps as shown in figure 1:
And establishing the grouping information of the work area according to the actual requirements of construction project management.
Optionally, the grouped work areas include a work area under construction and a work area not under construction currently. Or the grouped work areas comprise the work areas needing to establish the progress visualization model and the work areas not needing to establish the progress visualization model.
And 2, obtaining a CAD drawing and carrying out base map conversion.
Uploading the CAD drawing of the construction site planar layout through a front end page of the platform, analyzing the file into a json format through a rear end, and displaying the file through the front end page as a base drawing.
The uploaded CAD drawing can be regarded as a picture which can be displayed through a webpage, and the picture is converted into a base drawing to be superposed at the bottom of the model editor to be used as the base drawing copied by the model editor, so that the drawing on the base drawing can be described in sections through the model editor. The base graph herein may also be understood as a template used by the model editor depiction.
And 3, calling a model editor to divide the working sections of the base map based on the work area grouping information.
The model editor is in a grid form, and automatically generates a specified number of grids according to preset grid division granularity. This arrangement is to facilitate division of the work area.
When the boundary points of the working area are extracted, the model editor is taken as a whole, and coordinate assignment and attribute identification are carried out on each grid so as to facilitate the identification and extraction of the boundary points.
Optionally, different section identifiers are assigned to grids belonging to different work sections; the grid not belonging to any of the work sections is given a section identification of 0. For example, a value of 1 may be assigned to the segment identification of the working segment and a value of 0 may be assigned to the segment identification of the non-working segment. If there are two work sections, the section id of work section 1 may be assigned 1, the section id of work section 2 may be assigned 2, and the section id of non-work section may be assigned 0. The specific assignment form may be determined according to actual conditions, which is not limited in the present invention.
And when the working area is divided, the model editor is used for drawing the outline of the target working area by taking the base map as a template according to the working area grouping information.
By giving the section identification, it is convenient to identify which grids each work section contains, and further to facilitate the boundary point extraction of each work section. Optionally, after the contour of the work area is drawn according to the model editor, for a point on the contour, it is determined whether the grid belongs to the current work area according to the overlapping area of the grid and the work area. For example, but not limited to, when the overlapping area exceeds 50%, it is determined that the grid belongs to the current work section.
When drawing the closed region, the model editor is used for connecting the boundary points to form the closed region of the working section.
Optionally, the target work area is divided by work area division so as to realize the progress visualization model establishment of the target work area. In other words, the progress visualization model is only rapidly established for the work area with the current demand, and model establishment for all work areas on the CAD drawing is not needed, so that the model establishment efficiency is greatly improved.
Optionally, a cross division manner is adopted to obtain the target working section. The purpose of the work section division is to extract the target work area so as to facilitate the establishment of the visual model, so that the specific section division form can be determined according to the actual situation, which is not limited by the invention. The method can realize free division of the working sections, greatly meet the requirement of frequent and irregular change of division of the construction project model sections, improve the efficiency of model section adjustment, and improve the use experience of a user side.
And 4, extracting boundary points of the target working region, drawing a closed region based on the extracted boundary points, and generating a model based on the drawn closed region.
Optionally, when the boundary point of the working area is extracted, the following steps are performed:
constructing a coordinate system based on a model editor to enable each grid to correspond to one coordinate point;
acquiring coordinate points contained in the corresponding working sections according to the section identifications of the working sections;
and traversing all points in the working section, and if the section identification of a certain point and at least one adjacent point is inconsistent, extracting the certain point as a boundary point.
Alternatively, each grid of the model editor represents a point (X, Y), the point at the upper left corner is used as the origin, the horizontal direction is used as the X-axis, and the vertical direction is used as the Y-axis, and the coordinate system is established as shown in fig. 3.
Each point in the coordinate system has its own segment ID, and represents the mapping relationship by pointNode]The result is the segment to which the point belongs. At the same time, each segment also knows which points it contains, assuming that segment 1 contains the following points:
a coordinate system as shown in fig. 4 can be obtained.
When a boundary point is found, if the segment identifier of a certain adjacent point of the point is inconsistent with the point, the point is the boundary point. In the field of image processing, adjacent points of a certain point can adopt different definitions such as four adjacent points, eight adjacent points and the like.
In this embodiment, four adjacent points, that is, points in four directions, i.e., up, down, left, and right, are used as adjacent points of a certain point. That is, the adjacent points of any point (x, y) are respectively: (x, y-1), (x, y + 1), (x-1, y), (x +1, y), the code representation of which is shown in FIG. 5.
The case of exceeding the boundary is not considered here, because the segment identification of the point exceeding the boundary defaults to 0.
An algorithm for determining whether a certain point is a boundary point after confirming neighboring points is shown in fig. 6. For any segment, the boundary of the segment can be obtained by extracting the boundary points through traversing all the points contained in the segment, and the algorithm is shown in fig. 7.
Alternatively, the boundary may be displayed by attaching a different background color to the boundary point, as shown in fig. 8.
Alternatively, after obtaining all boundary points of a work section, the closed region of the work section may be drawn by the model editor. The condition is suitable for the condition that only one work area needs to establish a progress visualization model.
Optionally, after obtaining all boundary points of all the working sections, drawing the closed region of each working section through a model editor. The condition is suitable for the condition that more than one work area needs to establish a progress visualization model.
Optionally, when the model is built by fast rendering, the method specifically includes: and constructing a project scene model by using three-dimensional modeling software, performing art design in an Octane renderer, and completing a channel associated with the model and the business form by performing global unique coding on a model component. The method comprises the steps of rendering a three-dimensional scene based on WebGL, wherein the three-dimensional scene comprises scene elements such as the ground, a sky box, a model and an animation special effect, driving the animation special effect by using a slow motion library, constructing a 360-degree surrounding visual angle through a camera assembly, adding a post-processing channel to bake scene texture, and performing anti-aliasing by adopting a buffer frame multi-sampling technology based on FBO. An interaction mechanism is packaged based on a ray detection principle, and mouse clicking pickup and automatic carousel are supported.
The model is compressed by adopting an FBX Binary format, the transmission cost is reduced, the whole three-dimensional interface is packaged into an React component, the React component is integrated with a main interface project, and a built-in communication interaction mode of the React is adopted for calling the method and calling back the transmission value.
And 5, associating the model with the work area. And realizing the rapid establishment of the construction progress visualization model of the actual construction area of the project through the corresponding association of the model and the work area.
As an embodiment, when the work section needs to be adjusted, the following steps are performed:
acquiring new work area grouping information;
according to the new work area grouping information, a model editor is used for re-executing work area division on the original base map, and boundary point extraction, closed area drawing and model generation are executed on the re-divided work area;
and associating the model with the new work area.
Optionally, on the basis of the previous division of the working section, the repartitioning of the working section can be realized through the movement of the contour lines at the adjacent positions of the sections, so that the adjustment efficiency of the working section is improved.
Specifically, if there are two working segments before the adjustment, i.e., segment 1 and segment 2, respectively, and the adjustment requires expanding segment 1 and contracting segment 2, the contour line between the two segments is only moved to move the contour line in the direction of segment 2, so as to re-divide the working segments. For more than 2 working segments, the segment repartitioning can be performed in the same way as moving the contour.
According to the embodiment, the model sections (division forms) which may frequently appear in the engineering construction threads are adjusted, the work section modification of the engineering construction project is realized by performing secondary editing and combination on the development model base map, modeling personnel are not required to re-establish the relevant models, and the tedious process of re-modeling and uploading is avoided.
As an embodiment, as shown in fig. 2, the method further includes: and associating the work areas with the service data to enable each work area to correspond to a plurality of service data. Through the one-to-one corresponding correlation of the work area and the model and the correlation of the work area and the business data, the business data can be displayed on the model.
The invention also provides a system for rapidly establishing a progress visualization model on one hand, which comprises the following steps:
the input module is used for acquiring a CAD drawing and performing base map conversion;
the work area grouping module is used for acquiring work area grouping information;
the section division module is used for calling a model editor to divide the working sections of the base map based on the work area grouping information;
the model generation module is used for extracting boundary points of the target working section, drawing a closed region based on the extracted boundary points and generating a model based on the drawn closed region;
and the association module is used for associating the model with the work area.
The input module is also used for uploading the CAD graph of the construction site planar layout through a front end page of the platform, analyzing the file into a json format through a rear end, and displaying the file through the front end page as a base graph.
The section dividing module is also used for endowing grids belonging to different working sections with different section identifications; the grid not belonging to any of the work sections is given a section identification of 0.
The model generation module is also used for constructing a coordinate system based on the model editor so that each grid corresponds to one coordinate point; acquiring coordinate points contained in the corresponding working sections according to the section identifications of the working sections; and traversing all points in the working section, and if the section identification of a certain point and at least one adjacent point is inconsistent, extracting the certain point as a boundary point.
The model generation module is also used for constructing a three-dimensional scene model and endowing the model with a unique identification code; rendering a three-dimensional scene based on WebGL; and compressing and packaging the rendered model.
The association module is further configured to associate the work areas with the service data, so that each work area corresponds to multiple items of service data.
Implementation of the system of the present invention may be implemented with reference to a method.
It should be noted that, as will be clear to those skilled in the art, for convenience and brevity of description, the specific working processes of the system and the modules and units described above may refer to the corresponding processes in the foregoing embodiments, and are not described herein again.
According to an aspect of the present specification, there is provided a computer apparatus, which may be an industrial personal computer, a server, or a computer terminal.
The computer device comprises a processor, a memory and a computer program stored on the memory and executable by the processor, wherein the computer program realizes the steps of the rapid progress visualization model building method when being executed by the processor.
The computer device includes a processor, a memory and a network interface connected by a system bus, where the memory may include a non-volatile storage medium and an internal memory.
The non-volatile storage medium may store an operating system and a computer program. The computer program includes program instructions that, when executed, cause a processor to perform any one of the methods for rapid progress visualization model building.
The processor is used for providing calculation and control capability and supporting the operation of the whole computer equipment.
The internal memory provides an environment for the execution of a computer program on a non-volatile storage medium, which when executed by the processor, causes the processor to perform any one of the methods for rapid progress-visualization model building.
The network interface is used for network communication, such as sending assigned tasks and the like. It will be appreciated by those skilled in the art that the configuration shown in fig. 9 is a block diagram of only a portion of the configuration associated with the present application, and is not intended to limit the computing device to which the present application may be applied, and that a particular computing device may include more or fewer components than shown, or may combine certain components, or have a different arrangement of components.
It should be understood that the Processor may be a Central Processing Unit (CPU), and the Processor may be other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. Wherein a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Wherein, in one embodiment, the processor is configured to execute the computer program stored in the memory to perform the steps of:
acquiring work area grouping information;
obtaining a CAD drawing and carrying out base map conversion;
calling a model editor to divide the working sections of the base map based on the work area grouping information;
extracting boundary points of the target working section, drawing a closed region based on the extracted boundary points, and generating a model based on the drawn closed region;
and associating the model with the work area.
According to an aspect of the present specification, there is provided a computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the steps of the method for rapidly building a progress visualization model.
The computer-readable storage medium may be an internal storage unit of the computer device described in the foregoing embodiment, for example, a hard disk or a memory of the computer device. The computer readable storage medium may also be an external storage device of the computer device, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like provided on the computer device.
In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the essence of the corresponding technical solutions.
Claims (10)
1. The method for quickly establishing the progress visualization model is characterized by comprising the following steps:
acquiring work area grouping information;
obtaining a CAD drawing and carrying out base map conversion;
calling a model editor to divide the working sections of the base map based on the work area grouping information;
extracting boundary points of a target working region, drawing a closed region based on the extracted boundary points, and generating a model based on the drawn closed region;
and associating the model with the work area.
2. The rapid progress visualization model building method according to claim 1, wherein when the work section needs to be adjusted, the following steps are performed:
acquiring new work area grouping information;
according to the new work area grouping information, a model editor is used for re-executing work area division on the original base map, and boundary point extraction, closed area drawing and model generation are executed on the re-divided work area;
and associating the model with the new work area.
3. The rapid progress visualization model building method according to claim 1, wherein the model editor is in a grid form, and a specified number of grids are automatically generated according to a preset grid division granularity.
4. The rapid progress visualization model building method according to claim 3, wherein grids belonging to different work sections are given different section identifiers; the grid not belonging to any of the work sections is given a section identification of 0.
5. The rapid progress visualization model building method according to claim 4, wherein the following steps are performed when the boundary points of the working area are extracted:
constructing a coordinate system based on a model editor to enable each grid to correspond to one coordinate point;
acquiring coordinate points contained in the corresponding working sections according to the section identifications of the working sections;
and traversing all points in the working section, and if the section identification of a certain point and at least one adjacent point is inconsistent, extracting the certain point as a boundary point.
6. The rapid progress visualization model building method according to claim 5, characterized in that when the model is generated based on the drawn closed region, the following steps are performed:
constructing a three-dimensional scene model, and endowing the model with a unique identification code;
rendering a three-dimensional scene based on WebGL;
and compressing and packaging the rendered model.
7. The rapid progress visualization model building method according to claim 1, wherein the method further comprises: and associating the work areas with the service data to enable each work area to correspond to a plurality of service data.
8. Progress visual model quick construction system, its characterized in that includes:
the work area grouping module is used for acquiring work area grouping information;
the input module is used for acquiring a CAD drawing and performing base map conversion;
the section division module is used for calling a model editor to divide the working sections of the base map based on the work area grouping information;
the model generation module is used for extracting boundary points of the target working section, drawing a closed region based on the extracted boundary points and generating a model based on the drawn closed region;
and the association module is used for associating the model with the work area.
9. A computer device comprising a processor, a memory, and a computer program stored on the memory and executable by the processor, wherein the computer program, when executed by the processor, implements the steps of the process visualization model fast-building method as claimed in any one of claims 1 to 7.
10. A computer-readable storage medium, having a computer program stored thereon, wherein the computer program, when being executed by a processor, implements the steps of the progress visualization model fast-building method according to any one of claims 1 to 7.
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