CN110287644B - CAD data processing device and CAD data processing method - Google Patents
CAD data processing device and CAD data processing method Download PDFInfo
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- CN110287644B CN110287644B CN201910625867.9A CN201910625867A CN110287644B CN 110287644 B CN110287644 B CN 110287644B CN 201910625867 A CN201910625867 A CN 201910625867A CN 110287644 B CN110287644 B CN 110287644B
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- 238000005192 partition Methods 0.000 claims abstract description 17
- 238000000638 solvent extraction Methods 0.000 claims abstract description 17
- 230000004048 modification Effects 0.000 claims description 26
- 238000012986 modification Methods 0.000 claims description 26
- 238000000605 extraction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 abstract 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1448—Management of the data involved in backup or backup restore
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/40—Document-oriented image-based pattern recognition
- G06V30/42—Document-oriented image-based pattern recognition based on the type of document
- G06V30/422—Technical drawings; Geographical maps
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention discloses a CAD data processing device and a CAD data processing method, and particularly relates to the field of computers. The invention scans the graph through the graph scanning module, partitions the graph through the graph partitioning module, extracts the graph area needing to be modified through the graph extracting module, locks the area needing not to be modified through the graph locking module, and integrally ensures that the safety of the invention is higher.
Description
Technical Field
The present invention relates to the field of computer technology, and more particularly, to a CAD data processing apparatus and a CAD data processing method.
Background
CAD software is a relatively common drawing software that is used more widely in building design, road design, and bridge design professions.
The patent application publication No. CN 104504218A discloses a CAD graphic processing method, a device and a CAD software plug-in, the method comprises the steps that a CAD graphic provider is required to export a CAD drawing result data packet from an AutoCAD software environment according to preset primitive data drawing standards, a receiver receives the CAD drawing result data packet through a browser, then a Canvas object of the browser is called, the CAD drawing result data packet is rendered to obtain a CAD graphic, then a DOM object and an event mechanism of the browser are called to respond to the editing operation of a user on the CAD graphic, and finally the edited CAD graphic is rendered to obtain the processed CAD graphic. According to the application, by calling certain functions of the browser, the functions of displaying and editing the existing drawing results on the terminal without installing CAD software are realized, and the application is greatly convenient for users to use.
However, the above technical solution still has many drawbacks during practical use, such as when the technical solution is used to modify CAD graphics, the misoperation may cause incorrect modification to graphics that need not be modified, and the security is not ideal enough.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present invention provides a CAD data processing apparatus and CAD data processing method, partition a scanned CAD image by a graphic partition unit, select an area to be modified by a user, copy an image element of the area by a graphic copy unit, automatically create a new graphic layer according to setting data of a current graphic layer by a graphic layer creation unit, paste the copied image element in the new graphic layer, then edit the image in the new graphic layer by the user, lock the images of other areas by a graphic lock unit after the user selects the image area, prohibit CAD software from making a modification command on the image of the locked area during the modification of the image by the user, merge the images by a graphic merge module, and finally unlock and save the images by a graphic unlock module, thereby improving the security of the present invention as a whole.
In order to achieve the above purpose, the present invention provides the following technical solutions: the CAD data processing device comprises a graph scanning module, a graph partitioning module, a graph extracting module, a graph locking module, a graph merging module and a graph unlocking module, wherein the graph scanning module comprises a graph scanning unit, the graph partitioning module comprises a graph partitioning unit, the graph extracting module comprises a graph layer newly-built unit and a graph copying unit, the graph locking module comprises a graph locking unit, the graph merging module comprises a graph merging unit and a graph layer deleting unit, and the graph unlocking module comprises a graph unlocking unit and a graph storing unit;
the pattern scanning module is used for scanning the CAD pattern to be processed through the pattern scanning unit;
the graphic partition module is used for partitioning the scanned CAD graphic through the graphic partition unit;
the graphic extraction module is used for selecting an area to be modified by a user, copying graphic elements of the area through the graphic copying unit, automatically creating a new graphic layer according to the setting data of the current graphic layer through the graphic layer creation unit, pasting the copied graphic elements in the new graphic layer, and editing the graphics in the new graphic layer by the user;
the graphic locking module is used for locking the graphics of other areas after the user selects the graphic area through the graphic locking unit, and forbidding CAD software to make a modification command on the graphics of the locked area during the modification of the graphics by the user;
the graphic merging module is used for copying the modified graphic on the new graphic layer through the graphic merging unit after the editing is completed, deleting the graphic in the original selected area, pasting the modified graphic in the selected area according to the original proportion, and deleting the newly built graphic layer through the graphic layer deleting unit after the editing is completed;
the graphic unlocking module is used for unlocking the graphics after the graphics are combined through the graphic unlocking unit and storing data through the graphic storage unit.
In a preferred embodiment, the device further comprises a data backup module, wherein the data backup module comprises a data backup unit, and the data backup module is used for backing up the original data through the data backup unit to prevent the situation of graphic modification errors.
A CAD data processing method comprises the following steps:
step one, scanning a CAD graph to be processed through a graph scanning unit;
step two, backing up the original data through a data backup unit to prevent the situation of graphic modification errors;
dividing the scanned CAD graph into partitions through a graph dividing unit;
step four, the user selects the area to be modified, the graphic elements of the area are copied through a graphic copying unit, a new graphic layer is automatically built according to the setting data of the current graphic layer through a graphic layer new building unit, the copied graphic elements are stuck in the new graphic layer, and then the user edits the graphics in the new graphic layer;
fifthly, after the user selects the graphic area, locking the graphics of other areas through a graphic locking unit, and prohibiting CAD software from making a modification command on the graphics of the locked area during the process of modifying the graphics by the user;
step six, copying the modified graph on the new graph layer through the graph merging unit after the editing is completed, deleting the graph in the original selected area, pasting the modified graph in the selected area according to the original proportion, and deleting the newly built graph layer through the graph layer deleting unit after the editing is completed;
and step seven, unlocking the graphics through a graphics unlocking unit after the graphics are combined, and storing data through a graphics storing unit.
In a preferred embodiment, the CAD graphic editing environment is configured as an AUTOCAD software environment.
In a preferred embodiment, the graphic partitioning unit in the third step may partition the graphics one by one according to the number of the scanned CAD graphics.
In a preferred embodiment, the data backup unit in the second step may store all the original data, create a folder in the hard disk of the computer, and store the backup file in the folder in BAK format.
The invention has the technical effects and advantages that:
1. the invention divides the scanned CAD graph into areas through the graph dividing unit, the user selects the area needing to be modified, the graph elements of the area are copied through the graph copying unit, a new graph layer is automatically built according to the setting data of the current graph layer through the graph layer newly-built unit, the copied graph elements are pasted in the new graph layer, then the user edits the graph in the new graph layer, after the user selects the graph area, the graph in other areas is locked through the graph locking unit, the CAD software is prohibited to make a modification command on the graph in the locking area during the graph modification period of the user, after the editing is completed, the graph is combined through the graph combining module, and finally the graph unlocking module is used for unlocking and storing, so that the safety of the invention is higher;
2. the invention performs backup storage on the original data through the data backup module, establishes a folder in the computer hard disk, and stores the backup file in the folder in the BAK format so as to prevent the original data from being lost.
Drawings
Fig. 1 is a block diagram of the apparatus of the present invention.
Fig. 2 is a block diagram of the unit of the present invention.
FIG. 3 is a flow chart of a processing method of the present invention.
The reference numerals are: a 1 graph scanning module, a 11 graph scanning unit, a 2 graph partitioning module, a 21 graph partitioning unit, a 3 graph extracting module, a 31 graph layer new building unit, a 32 graph copying unit, a 4 graph locking module, a 41 graph locking unit, a 5 graph merging module, a 51 graph merging unit, a 52 graph layer deleting unit, a 6 graph unlocking module, a 61 graph unlocking unit, a 62 graph saving unit, a 7 data backup module and a 71 data backup unit.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
According to one CAD data processing apparatus shown in fig. 1 to 3, comprising a graphic scanning module 1, a graphic partitioning module 2, a graphic extracting module 3, a graphic locking module 4, a graphic merging module 5 and a graphic unlocking module 6, the graphic scanning module 1 comprising a graphic scanning unit 11, the graphic partitioning module 2 comprising a graphic partitioning unit 21, the graphic extracting module 3 comprising a graphic layer newly creating unit 31 and a graphic copying unit 32, the graphic locking module 4 comprising a graphic locking unit 41, the graphic merging module 5 comprising a graphic merging unit 51 and a graphic layer deleting unit 52, the graphic unlocking module 6 comprising a graphic unlocking unit 61 and a graphic saving unit 62;
the pattern scanning module 1 is used for scanning the CAD pattern to be processed through the pattern scanning unit 11, so that the CAD pattern can be conveniently partitioned;
the graphic partition module 2 is used for partitioning the scanned CAD graphic through the graphic partition unit 21, so that the partitioned graphic is convenient for a user to select, the operation area is reduced, and the probability of misoperation is reduced;
the graphic extraction module 3 is configured to select an area to be modified by a user, copy graphic elements of the area through the graphic copying unit 32, automatically create a new graphic layer according to the setting data of the current graphic layer through the graphic layer creation unit 31, paste the copied graphic elements in the new graphic layer, edit the graphic in the new graphic layer by the user, and separate the graphic to be modified from the original graphic, so that incorrect modification of the correct graphic by misoperation of the user can be effectively avoided;
the graphics locking module 4 is configured to lock, through the graphics locking unit 41, the graphics in other areas after the user selects the graphics area, and prohibit the CAD software from making a modification command to the graphics in the locked area during the modification of the graphics by the user;
the graphics merging module 5 is configured to copy, after editing is completed, the modified graphics on the new layer through the graphics merging unit 51, delete the graphics in the original selected area, paste the modified graphics in the selected area according to the original proportion, and delete the newly built layer through the layer deleting unit 52 after the editing is completed;
the graphics unlocking module 6 is configured to unlock graphics after the graphics are combined by the graphics unlocking unit 61, and store data by the graphics storing unit 62, so as to prevent the loss of graphics data modified by a user;
and the data backup module 7 is further included, the data backup module 7 includes a data backup unit 71, and the data backup module 7 is used for backing up the original data through the data backup unit 71, so as to prevent the situation of graphic modification errors and the loss of the original data.
A CAD data processing method comprises the following steps:
step one, scanning a CAD graph to be processed through a graph scanning unit 11;
step two, backing up the original data through the data backup unit 71 to prevent the situation of graphic modification errors;
dividing the scanned CAD graph into partitions by a graph dividing unit 21;
step four, the user selects the area to be modified, the graphic elements of the area are copied through the graphic copying unit 32, a new graphic layer is automatically built according to the setting data of the current graphic layer through the graphic layer new unit 31, the copied graphic elements are pasted in the new graphic layer, and then the user edits the graphics in the new graphic layer;
fifthly, after the user selects the graphic area, locking the graphics of other areas through the graphic locking unit 41, and prohibiting CAD software from making a modification command on the graphics of the locked area during the modification of the graphics by the user;
step six, after editing is completed, copying the modified graph on the new graph layer through the graph merging unit 51, deleting the graph in the original selected area, pasting the modified graph in the selected area according to the original proportion, and deleting the newly built graph layer through the graph layer deleting unit 52 after the editing is completed;
step seven, unlocking the graphics through a graphics unlocking unit 61 after the graphics are combined, and storing data through a graphics storing unit 62;
the CAD graph editing environment is set as an AUTOCAD software environment;
the graphic partition unit 21 in the third step may partition the graphics one by one according to the number of the scanned CAD graphics;
the data backup unit 71 in the second step can store all the original data, create a folder in the hard disk of the computer, and store the backup file in the folder in BAK format.
The working principle of the invention is as follows:
referring to fig. 1-3 of the specification, the scanned CAD image is partitioned by the image partitioning unit 21, the user selects an area to be modified, the image element of the area is copied by the image copying unit 32, a new image layer is automatically created by the image layer creating unit 31 according to the setting data of the current image layer, the copied image element is pasted in the new image layer, then the user edits the image in the new image layer, after the user selects the image area, the images of other areas are locked by the image locking unit 41, the CAD software is prohibited from making a modification command to the image of the locked area during the user modifying the image, after the editing is completed, the images are combined by the image combining module 5, and finally unlocked and saved by the image unlocking module 6.
Referring to fig. 1-3 of the specification, the data backup unit 71 can store all the original data, create a folder in the hard disk of the computer, and store the backup file in the folder in BAK format, so as to prevent the situation of graphic modification errors.
Finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. A CAD data processing apparatus characterized in that: the system comprises a graph scanning module (1), a graph partitioning module (2), a graph extracting module (3), a graph locking module (4), a graph merging module (5) and a graph unlocking module (6), wherein the graph scanning module (1) comprises a graph scanning unit (11), the graph partitioning module (2) comprises a graph partitioning unit (21), the graph extracting module (3) comprises a graph layer newly-built unit (31) and a graph copying unit (32), the graph locking module (4) comprises a graph locking unit (41), the graph merging module (5) comprises a graph merging unit (51) and a graph layer deleting unit (52), and the graph unlocking module (6) comprises a graph unlocking unit (61) and a graph storing unit (62);
the pattern scanning module (1) is used for scanning CAD patterns to be processed through the pattern scanning unit (11);
the graphic partition module (2) is used for partitioning the scanned CAD graphic through the graphic partition unit (21);
the graphic extraction module (3) is used for selecting an area to be modified by a user, copying graphic elements of the area through the graphic copying unit (32), automatically creating a new graphic layer according to the setting data of the current graphic layer through the graphic layer creation unit (31), pasting the copied graphic elements in the new graphic layer, and editing the graphics in the new graphic layer by the user;
the graphic locking module (4) is used for locking the graphics of other areas after the user selects the graphic area through the graphic locking unit (41), and forbidding CAD software to make a modification command on the graphics of the locked area during the modification of the graphics by the user;
the pattern merging module (5) is used for copying the modified pattern on the new pattern layer through the pattern merging unit (51) after the editing is finished, deleting the pattern in the original selected area, pasting the modified pattern in the selected area according to the original proportion, and deleting the newly built pattern layer through the pattern layer deleting unit (52) after the editing is finished;
the graphic unlocking module (6) is used for unlocking the graphics after the graphics are combined through the graphic unlocking unit (61) and storing data through the graphic storing unit (62).
2. A CAD data processing device according to claim 1, wherein: the system further comprises a data backup module (7), wherein the data backup module (7) comprises a data backup unit (71), and the data backup module (7) is used for backing up the original data through the data backup unit (71) so as to prevent the situation of graphic modification errors.
3. A CAD data processing method, characterized in that: the specific treatment method comprises the following steps:
scanning a CAD graph to be processed through a graph scanning unit (11);
step two, backing up the original data through a data backup unit (71) to prevent the situation of graphic modification errors;
dividing the scanned CAD graph into partitions by a graph dividing unit (21);
step four, the user selects the area to be modified, the graphic elements of the area are copied through a graphic copying unit (32), a new graphic layer is automatically built according to the setting data of the current graphic layer through a graphic layer new building unit (31), the copied graphic elements are stuck in the new graphic layer, and then the user edits the graphics in the new graphic layer;
fifthly, after the user selects the graphic area, locking the graphics of other areas through a graphic locking unit (41), and prohibiting CAD software from making a modification command on the graphics of the locked area during the modification of the graphics by the user;
step six, copying the modified graph on the new graph layer through a graph merging unit (51) after the editing is completed, deleting the graph in the original selected area, pasting the modified graph in the selected area according to the original proportion, and deleting the new graph layer through a graph layer deleting unit (52) after the editing is completed;
and step seven, unlocking the graphics through a graphics unlocking unit (61) after the graphics are combined, and storing data through a graphics storing unit (62).
4. A CAD data processing method according to claim 3, wherein: the CAD graph editing environment is set as an AUTOCAD software environment.
5. A CAD data processing method according to claim 3, wherein: the graphic partition unit (21) in the third step can partition the graphics one by one according to the number of the graphics in the scanned CAD graphics.
6. A CAD data processing method according to claim 3, wherein: the data backup unit (71) in the second step can store all the original data, and newly create a folder in the hard disk of the computer, and store the backup file in the folder in the BAK format.
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