CN106202239B - A kind of CAD data generation SHAPE data file method and system - Google Patents
A kind of CAD data generation SHAPE data file method and system Download PDFInfo
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- CN106202239B CN106202239B CN201610496317.8A CN201610496317A CN106202239B CN 106202239 B CN106202239 B CN 106202239B CN 201610496317 A CN201610496317 A CN 201610496317A CN 106202239 B CN106202239 B CN 106202239B
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- G06F16/10—File systems; File servers
- G06F16/16—File or folder operations, e.g. details of user interfaces specifically adapted to file systems
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Abstract
The invention discloses a kind of CAD datas to generate SHAPE data file method and system, self-defining data structure before reading and writing of files, for storing the CAD data read；Batch specifies cad file, loads CAD data file；It is specified to want derived CAD data figure layer, it specifies and data is imported into tables of data；The specified file path for generating shape；One piece of batch specified data is exported in a shape file.The present invention once can specify multiple figure layers of similar element, improve the treatment effeciency of data；The similar entity of different layers is exported to a shape file, data file can be managed well, and the similar entity of different layers is not had to specified database repeatedly when such as database table.
Description
Technical field
The present invention relates to computer data processing technology fields, and in particular to a kind of CAD data generation SHAPE data file
Method and system.
Background technique
With becoming increasingly popular for Network Information epoch, we are in the epoch of a big data explosive increase, greatly
Data have been widely used various fields, and far-reaching influence is generated in terms of social economy, political culture, people.This is just
It is required that we go how to excavate and preferably handle big data.
The tool of processing big data is more at present, but sometimes also has its completion in terms of data-handling efficiency and function
Thing not.This application involves be the similar element of CAD (Dxf format) data (element here refer to point, line, surface swear
Measure data, including two and three-dimensional data) how data to press the data file that specified figure layer exports a shape format.
When exporting SHAPE data format by CAD data (assuming that data are correct), more common software arcmap10.1
The file of CAD data export shape data format may be implemented.Arcmap10.1 exports shape file and is put in storage such as Fig. 1 institute
Show, arcmap batch presses congener entity when loading CAD (figure layer of CAD data is possible, and there are many solid datas of class)
Data (point, line, surface) are layered, when exporting shape data can only figure layer export a shape file, for place
Big data is managed, shape file derived in this way can be very much, and data volume is big, and craft must be needed when being not easy to manage, and being put in storage
Creation database figure layer one by one, then replicated, paste and be put in storage by figure layer, cause working efficiency too low, process is complicated.
Summary of the invention
To solve the shortcomings of the prior art, the invention discloses a kind of CAD datas to generate SHAPE data file method
And system, the present invention are realized the storage of CAD data by self-defining data structure, specified figure layer data are exported to one
In shape data file.The present invention can reach CAD data export shape file and warehouse-in efficiency height and be able to achieve preferably
Management to shape file.
To achieve the above object, concrete scheme of the invention is as follows:
A kind of CAD data generation SHAPE data file method, comprising the following steps:
Self-defining data structure before reading and writing of files, for storing the CAD data read；
Batch specifies cad file, loads CAD data file；
Derived CAD data figure layer is wanted in selection, and is imported data in the tables of data of database；
Generate the file path of shape；
The specified figure layer data of batch are exported to together in a shape file, shape file export function is executed.
Further, the CAD data of self-defining data structure storage is the multiple figure layers for specifying similar entity.
Further, self-defining data structure include store CAD point data point data structure, be used to store it is single more
The polyline data structure of adopted line number evidence is used to store the data structure of single text data and is used to store a face data
Face data structure.
Further, it reads cad file and creates a window interfaces when writing shape file, be arranged on window interfaces
The parameter of data conversion: being arranged first button on window interfaces, and specified cad file is loaded when button event is clicked in triggering
The dialog box in path realizes load cad file；
The second button is arranged on window interfaces to be used to load the dialog box for calling export path, specifies export
Shape file path exports to specified figure layer data in one shape data file；
Third button is set on forms, when trigger button event, execution shape data file export function.
Further, single choice file or multiselect file, select corresponding CAD data figure layer, database when loading cad file
Table and lists of data types.
Further, CAD data figure layer needs derived CAD diagram layer for storing CAD data, selection；Select CAD diagram layer
While need to specify the data type of the figure layer from lists of data types, label export and the type for being put in storage the CAD diagram layer
Data, while by interface specified database table, it is used to store the data of specified CAD diagram layer.
A kind of system that CAD data generates SHAPE data file, comprising:
Self-defining data construction module, for the self-defining data structure before reading and writing of files, self-defining data structure is used
In the CAD data that storage is read；
Cad file read module loads CAD data file for specifying cad file in batches；
Data selecting module wants derived CAD data figure layer for selecting, and imports data to the data of database
Table；
Path-generating module, for generating the file path of shape；
Shape file generating module writes the specified homogeneous data of batch in one shape file together.
Further, in self-defining data construction module, the CAD data of self-defining data structure storage is to specify similar reality
Multiple figure layers of body.
Further, self-defining data structure include store CAD point data point data structure, be used to store it is single more
The polyline data structure of adopted line number evidence is used to store the text data structure of single text data and is used to store a face
The face data structure of data.
Further, it reads cad file and needs to create a window interfaces when generating shape file, in window interfaces
The parameter of upper setting data conversion: being arranged the first button on window interfaces, and specified CAD is loaded when button event is clicked in triggering
The dialog box of file path realizes load cad file；
The second button is arranged on window interfaces to be used to load the dialog box for calling export path, specifies export
Shape file path exports to specified figure layer data in one shape data file；
Third button is set on forms, when trigger button event, execution shape data file export function.
Further, single choice file or multiselect file, select corresponding CAD data figure layer, database when loading cad file
Table and lists of data types, CAD diagram layer can be with multiselects.
Beneficial effects of the present invention:
This patent processing data can export to one one piece of data because can specify multiple figure layers of similar entity
In shape file, realization process is exactly specified similar entity to be all stored in the data structure for starting definition, is then written to
In one shape file, and do not have to the tables of data that one figure layer of processing specifies a secondary storage, handles the efficiency of data in this way
It can greatly improve, and too many shape file will not be generated, save memory space, because each shape file has one
A file header occupies certain memory space.Remove the problem of shape data file management complexity from, this is currently processed data
The function that cannot be achieved of software.
The present invention once can specify multiple figure layers of similar element, improve the treatment effeciency of data；Different layers
Similar entity exports to a shape file, can be managed well data file, and the similar entity of different layers is existed
Specified database table repeatedly is not had to when such as database table.
Detailed description of the invention
Figure 1A rcmap reads the process flow diagram flow chart that CAD generates shape；
The reading CAD data file that Fig. 2 present invention realizes generates shape flow chart；
The function performance flow chart of Fig. 3 reading cad file；
Fig. 4 writes the function performance flow chart of shape file.
Specific embodiment:
The present invention is described in detail with reference to the accompanying drawing:
As shown in Figure 1, Arcmap reads the process flow that CAD generates shape:
Step 1: loading CAD data in batches in arcmap；
Step 2: Arcmap carries out AUTOMATIC ZONING to data according to entity class, text layers are treated as annotation layer, at
Figure；
Step 3: the file path of specified CAD diagram layer export shape data format, generates shape file.
Step 4: opening the editting function in arcmap, the specified tables of data that enter database carries out data loading；
Step 5: saving the data of storage, stop the editting function in arcmap.
Step 6: generating the file of a shape format, a CAD diagram layer generates shape and is disposed.
Step 7: three, four, five, six steps are repeated, until All Layers have been handled.
The above method when exporting shape data can only figure layer export a shape file, for handling big number
According to shape file derived in this way can be very much, and creation number by hand one by one must be needed when being not easy to manage, and being put in storage
It according to library figure layer, then replicated, paste and be put in storage by figure layer, cause working efficiency too low, process is complicated.
As shown in Fig. 2, the reading CAD data file of the realization of the application generates shape process:
Program is executed, specifies corresponding parameter on CAD data production shape parameter interface.
Step 1: batch specifies cad file, CAD data file is loaded
Step 2: specified want derived CAD data figure layer (similar figure layer can once specify multiple figure layers), specifies and want
Data are imported into tables of data.
Step 3: the specified file path for generating shape.
Shape file is generated step 4: determining, clicks confirming button, executes shape file generated function, this shape
Systematic function finishes.
Step 5: as there are also figure layer export to repeat three, four steps.Until All Layers have been handled.
By comparing " Arcmap reads the process flow that CAD generates shape " and " CAD data file is read in realization of the invention
Generate shape process ", it can be seen that program code realizes that reading the step of CAD data generates shape simply writes, high-efficient, therefore should
Invention is desirable.
The present invention uses the data structure of oneself definition, and definition data structure is realized before reading and writing of files, to be used for
Store the CAD data read；By writing the reading cad file of code realization this patent and writing shape data file function performance: reading
It takes cad file and writes shape file and need to create a window interfaces (Winform forms) in program, on window interfaces
The parameter of data conversion is set: adding first button on window interfaces, it is literary that specified CAD is loaded when button event is clicked in triggering
The dialog box in part path realizes load cad file, can be with single choice file also with multiselect file；CAD data figure layer (is load
CAD data figure layer) and database table (be in the database store data table) and lists of data types (indicate figure layer
Data type, for example the layer data is that point data must be talked about, then data type is exactly point POINT；If it is line number evidence, then
Data type is exactly line POLYLINE；If it is face data, then data type is exactly POLYGON), the relationship between this three
Summarize are as follows: CAD data figure layer is the layer for storing CAD data, and user is specified to want derived CAD diagram layer, can be with multiselect；User is specified
Need to specify the data type of the figure layer while CAD diagram layer from lists of data types, label exports and be put in storage the CAD diagram layer
Categorical data, while user is used to store the data of specified CAD diagram layer by interface specified database table.In forms circle
On face plus second button is used to load the dialog box for calling export SHAPE file path, specifies export shape file path,
Specified figure layer data are exported in a shape data file, which is that the CAD data of specified figure layer is stored
To in data structure, on window interfaces plus third export SHAPE data button " exports " button, responds export event
When, export a shape file；The specified figure layer that CAD data is put in storage of user；Carry out CAD data export shape data simultaneously
Data are entered the method to database.
The function performance of data structure and reading data above is described herein:
Data structure used in Dxf file is read, these data structures all define before reading and writing of files, why fixed
Justice these
Data structure is to store factor data.
Self-defining data structure includes storing the point data structure of the point data of CAD, is used to store single polyline data
Polyline data structure, be used to store the text data structure of single text data, be used to store the face number an of face data
According to structure.
Following code is program of the point data structure in definition, remaining data structure is similar.
For storing the point data set of cad file
Cad file reads function and realizes that process realizes each function performance by writing code:
It reads cad file function performance and realizes that process flow chart is shown as shown in figure 3, for CAD data file, one
Having in a kind of or multiclass entity, such as a figure layer in a figure layer has point, line, surface, text etc. multiclass entity, is reading
According to the mark of entity each in data file, (mark of point a little, the wired mark of line, face has when CAD data file
The mark in face, text have the mark of text), data are stored in the respective data structure defined with (point is stored to point data respectively
In structure, line is stored in line data structure, and face is stored in face data structure, and text is stored in text data structure etc.)；
It writes shape file function functional procedure flow chart to show as shown in figure 4, for SHAPE data file, one
A shape file can only store same class solid data or be point entity data file or be line solid data file,
It is face entity data file.Specified similar solid data exports in a shape data file, for example specifies multiple
CAD point figure layer is all write in a shape file when exporting shape data, and line and face data export shape data file
Similarly.
It further include a kind of corresponding CAD data generation SHAPE data file of the above method in embodiments herein
System, comprising:
Self-defining data construction module, for the self-defining data structure before reading and writing of files, self-defining data structure is used
In the CAD data that storage is read；
Cad file read module loads CAD data file for specifying cad file in batches；
Data selecting module wants derived CAD data figure layer for selecting, and imports data to the data of database
Table；
Path-generating module, for generating the file path of shape；
Shape file generating module, one piece of homogeneous data that batch is specified are write in a shape file.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (4)
1. a kind of CAD data generates SHAPE data file method, characterized in that the following steps are included:
Self-defining data structure before reading and writing of files, for storing the CAD data read；The storage of self-defining data structure
CAD data is the multiple figure layers for specifying similar entity；
Batch specifies cad file, loads CAD data file；
Derived CAD data figure layer is wanted in selection, and is imported data in the tables of data of database；
Generate the file path of shape；
The data that batch is read are exported to together in a shape file；
It reads cad file and needs to create a window interfaces when writing shape file, data conversion is set on window interfaces
Parameter: being arranged the first button on window interfaces, and the dialogue in specified cad file path is loaded when button event is clicked in triggering
Frame realizes load cad file；
The second button is arranged on window interfaces to be used to load the dialog box for calling export path, specifies export shape text
Part path exports to specified figure layer data in one shape data file；
Third button is set on forms, when trigger button event, execution shape data file export function；
Single choice file or multiselect file, select corresponding CAD data figure layer, database table and data class when loading cad file
Type list；
CAD data figure layer needs derived CAD diagram layer for storing CAD data, selection；Select CAD diagram layer while need from
The data type of the figure layer, label export and the data type for being put in storage the CAD diagram layer are specified in lists of data types, are passed through simultaneously
Interface specified database table is used to store the data of specified CAD diagram layer.
2. a kind of CAD data as described in claim 1 generates SHAPE data file method, characterized in that self-defining data knot
Structure include store CAD point data point data structure, be used to store single polyline data polyline data structure, be used to
It stores the text data structure of single text data and is used to store the face data structure an of face data.
3. the system that a kind of CAD data generates SHAPE data file, characterized in that include:
Self-defining data construction module, for the self-defining data structure before reading and writing of files, self-defining data structure is for depositing
Put the CAD data of reading；In self-defining data construction module, the CAD data of self-defining data structure storage is to specify similar reality
Multiple figure layers of body；
Cad file read module loads CAD data file for reading cad file in batches；
Data selecting module wants derived CAD data figure layer for selecting, specified that data are imported into tables of data；
Path-generating module, for the specified file path for generating shape；
Shape file generating module exports to the data that batch is read in one shape file together；
It reads cad file and needs to create a window interfaces when generating shape file, data conversion is set on window interfaces
Parameter: the first button is set on window interfaces, the dialogue in specified cad file path is loaded when button event is clicked in triggering
Frame realizes load cad file；
The second button is arranged on window interfaces to be used to load the dialog box for calling export path, specifies export shape text
Part path exports to specified figure layer data in one shape data file；
Third button is set on forms, when trigger button event, execution shape data file export function；
Single choice file or multiselect file, select corresponding CAD data figure layer and database table and data class when loading cad file
Type list；
CAD data figure layer needs derived CAD diagram layer for storing CAD data, selection；Select CAD diagram layer while need from
The data type of the figure layer, label export and the data type for being put in storage the CAD diagram layer are specified in lists of data types, are passed through simultaneously
Interface specified database table is used to store the data of specified CAD diagram layer；
In construction module, the CAD data of self-defining data structure storage is the multiple figure layers for specifying similar entity.
4. the system that a kind of CAD data as claimed in claim 3 generates SHAPE data file, characterized in that self-defining data
Structure includes storing the point data structure of point data, the polyline data structure for being used to store single polyline data, use of CAD
To store the text data structure of single text data and be used to store the face data structure an of face data.
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| CN111026704B (en) * | 2019-12-05 | 2023-11-14 | 上海维宏电子科技股份有限公司 | Method for generating and storing processing of processing tool path information in numerical control system and storage medium thereof |
| CN112001002B (en) * | 2020-07-31 | 2024-02-20 | 宁波智讯联科科技有限公司 | Method and system for generating product family module by CAD model |
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| JP3831290B2 (en) * | 2002-05-07 | 2006-10-11 | 株式会社日立製作所 | CAD data evaluation method and evaluation apparatus |
| JP4093802B2 (en) * | 2002-06-11 | 2008-06-04 | 株式会社リコー | CAD data conversion system |
| JP6468756B2 (en) * | 2014-08-25 | 2019-02-13 | 株式会社ミツトヨ | 3D model generation method, 3D model generation system, and 3D model generation program |
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| CN102214230A (en) * | 2011-06-27 | 2011-10-12 | 华东师范大学 | Method for setting drainage pipeline network database |
| CN104281746A (en) * | 2014-09-28 | 2015-01-14 | 同济大学 | Method for generating traffic safety road characteristic graphs on basis of point-cloud |
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