CN115329427A - Method, device, medium and equipment for guiding PDF drawing with layer information by Revit - Google Patents
Method, device, medium and equipment for guiding PDF drawing with layer information by Revit Download PDFInfo
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- CN115329427A CN115329427A CN202210919470.2A CN202210919470A CN115329427A CN 115329427 A CN115329427 A CN 115329427A CN 202210919470 A CN202210919470 A CN 202210919470A CN 115329427 A CN115329427 A CN 115329427A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000009795 derivation Methods 0.000 claims description 8
- 238000004590 computer program Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 6
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- 230000006870 function Effects 0.000 description 4
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Abstract
The invention discloses a method, a device, a medium and equipment for deriving PDF drawing with hierarchical information by Revit, comprising the following steps: acquiring a layer setting rule input by a user; acquiring a drawing to be exported by a user in a Revit model, and exporting the drawing as a DWG drawing; reading the DWG drawing as a DxfModel data type by using DwgReader; setting an entity layer in the DxfModel data according to the layer setting rule; and exporting the DxfModel data as a PDF drawing. The invention provides a method for deriving a PDF drawing with layer information by Revit, which can directly derive the PDF drawing with the layer information from Revit.
Description
Technical Field
The invention belongs to the technical field of BIM, and particularly relates to a method, a device, a medium and equipment for deriving a PDF drawing with layer information by Revit.
Background
In the BIM forward design process, the designed drawing result needs to be sent to all participants for communication coordination, and because DWG drawings are easy to modify and need to install professional software, the safety and usability are poor. As a safer electronic document format, the PDF drawing has the characteristics of small volume, vector graph support, cross-platform browsing, incapability of editing and the like, and is widely applied to storage and communication in the drawing design process.
Currently, autodesk Revit is one of the most widely applied BIM software in the industry, and the following two methods are generally used for deriving the PDF drawing in Revit:
the first is to perform print setting by "document" print "of Revit, and then to select a PDF printer to export a PDF drawing. However, the PDF drawing derived by the method does not have layer information, the visibility and the invisibility of the primitives in the drawing cannot be adjusted according to the layer, the drawing surface of the drawing is messy, and the drawing is inconvenient to review.
The second method is that a DWG drawing is firstly exported through ' file ' export ' CAD format ' DWG ' of Revit, then the drawing layer of the primitive is opened and adjusted by using Autodesk CAD software, and then a PDF drawing is exported. The method has very low working efficiency, and particularly when nodes are drawn, hundreds of drawings are often drawn, so that the cost of manpower and material resources required to be input is huge, and the progress of drawing is greatly delayed.
Disclosure of Invention
In order to overcome the technical defects, the invention provides a method for deriving a PDF drawing with layer information by Revit, which can directly derive the PDF drawing with the layer information from Revit.
In order to solve the problems, the invention is realized according to the following technical scheme:
a method for deriving PDF drawing with layer information by Revit comprises the following steps:
acquiring a layer setting rule input by a user;
acquiring a drawing to be exported by a user in a Revit model, and exporting the drawing as a DWG drawing;
reading the DWG drawing as a DxfModel data type by using DwgReader;
setting an entity layer in the DxfModel data according to the layer setting rule;
and exporting the DxfModel data as a PDF drawing.
Further, the layer setting rule is to set the layer name and the layer color corresponding to the primitive according to the component category, the pipeline system, the air pipe system, the cable bridge and the keywords in the Revit model.
Further, the step of obtaining a drawing to be derived by a user in the Revit model and deriving the drawing as a DWG drawing includes the following steps:
obtaining a view Id corresponding to a drawing to be exported in a Revit model;
and deriving the DWG drawing corresponding to the view Id through an Export according to the view Id.
Further, the step of setting the layer of the entity in the DxfModel data according to the layer setting rule includes the following steps:
according to the DxfModel data, obtaining DxfEntity entity sets of all the primitives;
traversing the DxfEntity entity set to obtain a DxfEntity entity;
obtaining extended data DxfExtendedData of the DxfEntity entity according to the DxfEntity entity;
obtaining a component of the DxfEntity entity corresponding to the Revit model according to the extended data DxfExtendedData;
and setting the layer where the DxfEntity entity is located according to the layer setting rule.
Further, the step of deriving the DxfModel data as a PDF drawing includes the following steps:
creating a exporter PdfExporter of PDF drawings;
setting the exportLayers attribute of the exporter PdfExporter as True;
creating a graph configurator GraphsicConfig corresponding to the PDF drawing;
adding DxfModel data into an exporter PdfExporter by using DrawPage according to graph configurator GraphicsConfig;
and exporting the exporter PdfExporter as a PDF drawing by utilizing the Enddocument.
Compared with the prior art, the invention has the following beneficial effects:
the invention discloses a method for deriving PDF drawing with layer information by Revit, which derives DWG drawing by obtaining layer setting rules input by a user, derives PDF drawing by setting the layer where a primitive is located, is simple and convenient to operate, can effectively improve design efficiency and drawing efficiency, and saves a large amount of labor and time.
The invention also discloses a device for detecting the Revit primitive based on the DWG drawing, which comprises the following components:
the acquisition module is used for acquiring the layer setting rule input by a user;
the first derivation module is used for acquiring a drawing to be derived by a user in the Revit model and deriving the drawing as a DWG drawing;
the reading module is used for reading the DWG drawing as a data type of DxfModel;
the setting module is used for setting the layer of the entity in the DxfModel data according to the layer setting rule;
and the second derivation module is used for deriving the DxfModel data into a PDF drawing.
The invention also discloses a computer readable storage medium which is a computer readable storage medium, and a computer program is stored on the computer readable storage medium, and when the computer program is executed, the method for Revit to derive the PDF drawing with the layer information is realized.
The invention also discloses a computer device, comprising:
a processor;
a memory for storing the processor-executable instructions;
wherein the processor is configured to execute the instructions to implement the above method of Revit deriving a PDF drawing with layer information.
Drawings
Embodiments of the invention are described in further detail below with reference to the attached drawing figures, wherein:
fig. 1 is a flowchart of a method for deriving a PDF drawing with layer information by Revit according to embodiment 1;
fig. 2 is a diagram of a layer setting interface of a method for deriving a PDF drawing with layer information by Revit according to embodiment 1;
fig. 3 is a selection interface diagram of a drawing to be derived by the method for deriving a PDF drawing with drawing layer information by Revit according to embodiment 1;
fig. 4 is a schematic structural diagram of a device for deriving a PDF drawing with drawing layer information by Revit according to embodiment 2;
fig. 5 is a schematic structural diagram of the computer apparatus according to embodiment 4.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
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 phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Example 1
As shown in fig. 1, this embodiment discloses a method for Revit to derive a PDF drawing with slice information, which includes the following steps:
s1, obtaining a layer setting rule input by a user, wherein the layer setting rule is to set a layer name and a layer color corresponding to a primitive according to component categories, a pipeline system, an air pipe system, a cable bridge and keywords in a Revit model, FIG. 2 is a layer setting interface diagram of the embodiment, the user can set keywords, pipeline colors, valve colors, labeling colors and the like for the layer of the pipeline system through the interface, and the user sets the setting rule according to actual requirements.
S2, obtaining a drawing to be exported by a user in the Revit model, exporting the drawing to be a DWG drawing, and FIG. 3 is a selection interface diagram of the drawing to be exported of the embodiment, and the user selects the drawing according to actual needs.
And S3, reading the DWG drawing as a DxfModel data type by using DwgReader.
And S4, setting the layer of the entity in the DxfModel data according to the layer setting rule.
And S5, exporting the DxfModel data as a PDF drawing.
Specifically, the step S2 includes the following steps:
obtaining a view Id corresponding to a drawing to be derived in a Revit model;
and deriving the DWG drawing corresponding to the view Id through an Export according to the view Id.
Specifically, step S4 includes the following steps:
according to the DxfModel data, obtaining DxfEntity entity sets of all the primitives;
traversing the DxfEntity entity set to obtain a DxfEntity entity;
obtaining extended data DxfExtendedData of the DxfEntity entity according to the DxfEntity entity;
obtaining a component of the DxfEntity entity corresponding to the Revit model according to the extended data DxfExtendedData;
and setting the layer where the DxfEntity entity is located according to the layer setting rule.
Specifically, step S5 includes the following steps:
creating a exporter PdfExporter of PDF drawings;
setting the exportLayers attribute of the exporter PdfExporter to True;
creating a graph configurator GraphicsConfig corresponding to the PDF drawing;
adding DxfModel data into an exporter PdfExporter by using DrawPage according to a graph configurator Graphics Config;
and exporting the exporter PdfExporter as a PDF drawing by utilizing the Enddocument.
The embodiment discloses a method for exporting PDF drawings with layer information by Revit, DWG drawings are exported by obtaining layer setting rules input by a user, PDF drawings are exported by setting layers where primitives are located, the operation is simple and convenient, the design efficiency and the drawing efficiency can be effectively improved, and a large amount of manpower and time are saved.
Example 2
As shown in fig. 4, this embodiment discloses an apparatus for Revit deriving a PDF drawing with layer information, which may be used to execute the method for Revit deriving a PDF drawing with layer information in embodiment 1, and for details not disclosed in this embodiment of the apparatus, please refer to embodiment 1, as shown in the figure, the apparatus for Revit deriving a PDF drawing with layer information includes: the device comprises an acquisition module 1, a first export module 2, a reading module 3, a setting module 4 and a second export module 5; the acquisition module 1 is used for acquiring a layer setting rule input by a user; the first derivation module 2 is used for acquiring a drawing to be derived by a user in the Revit model, and deriving the drawing as a DWG drawing; the reading module 3 is used for reading the DWG drawing as a DxfModel data type; the setting module 4 is used for setting the layer of the entity in the DxfModel data according to the layer setting rule; the second exporting module 5 is configured to export the DxfModel data as a PDF drawing.
Specifically, the first derivation module 2 realizes derivation of the DWG drawing function by adopting the following steps:
obtaining a view Id corresponding to a drawing to be derived in a Revit model;
and deriving the DWG drawing corresponding to the view Id through an Export according to the view Id.
Specifically, the setting module 4 implements the setting function by the following steps:
according to the DxfModel data, obtaining DxfEntity entity sets of all the primitives;
traversing the DxfEntity entity set to obtain a DxfEntity entity;
obtaining extended data DxfExtendedData of the DxfEntity entity according to the DxfEntity entity;
obtaining a component of the DxfEntity entity corresponding to the Revit model according to the extended data DxfExtendedData;
and setting the layer where the DxfEntity entity is located according to the layer setting rule.
In the above embodiment, the second derivation module 5 implements the function of deriving the DxfModel data as the PDF drawing by using the following steps:
creating a exporter PdfExporter of PDF drawings;
setting the exportLayers attribute of the exporter PdfExporter as True;
creating a graph configurator GraphicsConfig corresponding to the PDF drawing;
adding DxfModel data into an exporter PdfExporter by using DrawPage according to graph configurator GraphicsConfig;
and exporting the exporter PdfExporter as a PDF drawing by utilizing the Enddocument.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
Example 3
The embodiment discloses a computer-readable storage medium, which is a computer-readable storage medium, and a computer program is stored on the computer-readable storage medium, and when the computer program is executed, the method for deriving the PDF drawing with layer information by Revit in embodiment 1 is implemented.
Optionally, the computer-readable storage medium may include: a Read Only Memory (ROM), a Random Access Memory (RAM), a Solid State Drive (SSD), or an optical disc. The Random Access Memory may include a Resistance Random Access Memory (ReRAM) and a Dynamic Random Access Memory (DRAM).
Example 4
As shown in fig. 5, the present embodiment discloses a computer apparatus, including: a processor and a memory for storing the processor-executable instructions; the processor is configured to execute the instructions to implement the method for deriving the PDF drawing with drawing layer information by Revit described in embodiment 1.
Those skilled in the art will recognize that the functionality described in the embodiments of the present application may be implemented in hardware, software, firmware, or any combination thereof, in one or more of the examples described above. When implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (8)
1. A method for deriving PDF drawing with layer information by Revit is characterized by comprising the following steps:
acquiring a layer setting rule input by a user;
acquiring a drawing to be exported by a user in a Revit model, and exporting the drawing as a DWG drawing;
reading the DWG drawing as a DxfModel data type by using DwgReader;
setting an entity layer in the DxfModel data according to the layer setting rule;
and exporting the DxfModel data as a PDF drawing.
2. The method for deriving a PDF drawing with drawing layer information according to claim 1, wherein the drawing layer setting rule is: and setting the layer name and the layer color corresponding to the graphic element according to the component category, the pipeline system, the air pipe system, the cable bridge and the keywords in the Revit model.
3. The method for deriving the PDF drawing with the drawing layer information according to claim 1, wherein the step of obtaining the drawing to be derived by the user in the Revit model and deriving the drawing as the DWG drawing comprises the following steps:
obtaining a view Id corresponding to a drawing to be derived in a Revit model;
and deriving the DWG drawing corresponding to the view Id through an Export according to the view Id.
4. The method for deriving the PDF drawing with drawing layer information according to claim 1, wherein the step of setting the entity drawing layer in the DxfModel data according to the drawing layer setting rule includes the following steps:
according to the DxfModel data, obtaining DxfEntity entity sets of all the primitives;
traversing the DxfEntity entity set to obtain a DxfEntity entity;
obtaining extended data DxfExtendedData of the DxfEntity entity according to the DxfEntity entity;
obtaining a component of the DxfEntity entity corresponding to the Revit model according to the extended data DxfExtendedData;
and setting the layer where the DxfEntity entity is located according to the layer setting rule.
5. The method for deriving a PDF drawing with drawing layer information according to claim 1, wherein the step of deriving the DxfModel data into a PDF drawing comprises the following steps:
creating a exporter PdfExporter of a PDF drawing;
setting the exportLayers attribute of the exporter PdfExporter as True;
creating a graph configurator GraphsicConfig corresponding to the PDF drawing;
adding DxfModel data into an exporter PdfExporter by using DrawPage according to graph configurator GraphicsConfig;
and exporting the exporter PdfExporter as a PDF drawing by utilizing the Enddocument.
6. An apparatus for Revit deriving a PDF drawing with layer information, comprising:
the acquisition module is used for acquiring the layer setting rule input by a user;
the first derivation module is used for acquiring a drawing to be derived by a user in the Revit model and deriving the drawing as a DWG drawing;
the reading module is used for reading the DWG drawing as a data type of DxfModel;
the setting module is used for setting the layer of the entity in the DxfModel data according to the layer setting rule;
and the second derivation module is used for deriving the DxfModel data into a PDF drawing.
7. A computer-readable storage medium, characterized in that it is a computer-readable storage medium, on which a computer program is stored, which computer program, when executed, implements a method of Revit deriving a PDF drawing with layer information according to any one of claims 1 to 5.
8. A computer device, comprising:
a processor;
a memory for storing the processor-executable instructions;
wherein the processor is configured to execute the instructions to implement a method of Revit deriving a PDF drawing with layer information as claimed in any one of claims 1-5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210919470.2A CN115329427B (en) | 2022-08-01 | 2022-08-01 | Method, device, medium and equipment for exporting PDF drawing with layer information by Revit |
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| CN202210919470.2A CN115329427B (en) | 2022-08-01 | 2022-08-01 | Method, device, medium and equipment for exporting PDF drawing with layer information by Revit |
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