CN102509511B - Rapid map making system based on GIS (Geographic Information System) data - Google Patents
Rapid map making system based on GIS (Geographic Information System) data Download PDFInfo
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Abstract
The invention discloses a rapid map making system based on GIS (Geographic Information System) data. The rapid map making system based on the GIS data is used for converting the GIS data into map making data in a high-precision map data format for map making publication, and completing intelligent pre-processing of the map making data in the data conversion process by fully utilizing rich semantic information in the GIS data and map making rules predefined in the map making system. The rapid map making system based on the GIS data comprises an original GIS data reading module, a symbol library establishing module, a graphical design repository module, an element conflict process repository module, a map making rule providing module, a map data generating module and a map file input and output module. According to the invention, the GIS data is converted into the map making data, therefore, the pre-processing operation of a large amount of the map making data can be completed before the map is edited, the map making period of a digital map is shortened, and the map making efficiency and quality based on GIS data are improved.
Description
Technical field
The present invention relates to the digital mapping field, especially relate to a kind of quick map Mapping System based on the GIS data.
Background technology
Traditional map making is directly to draw at paper material by manual, and this plotting mode not only efficient is extremely low, and revises difficulty, and map upgrades more wastes time and energy.Development along with computer technology.Computerized mapping has progressively substituted manual drawing, a large amount of Map Designs and graphics software have also just occurred, such as CorelDraw, and Illustrator, Supermap etc.Computer-assisted cartography is to draw data as the digital cartography basis with the fundamental line of surveying and mapping data (measurement data or GIS data), saved a large amount of data collection tasks, not only improved data production efficiency, and accelerated Data Update speed, compare with tradition drawing pattern, the numerical map production cycle has shortened greatly.The GIS data are geographical spatial datas.Yet, along with observation technology, GIS(geographic information system technology) etc. fast development, the collection of geography information, storage, analysis, application form integrated gradually, the collection of spatial information and storage organization mode from before single spatial information (data) gather, develop into the integrated collection of present spatial information and attribute information and the pattern of tissue, the GIS data (such as the data of the softwares such as ArcGIS production) that comprise a large amount of semantic informations have become the general data source of map making.Thisly draw data as the digital cartography process of basic data with line, existing graphics software has only utilized the line of GIS data to draw information (volume coordinate information), has but ignored the semantic information (such as element category, element relationship etc.) of a large amount of raw data (GIS data).Owing to lacked the control of semantic information and cartographic convention, the GIS data can only exist as the coordinate skeleton in graphics software, add the symbol incompatibility problem of GIS software and graphics software, and conversion line is drawn the problem etc. of losing of geographic element semantic information in the data procedures, the needs of work such as element category (layering), element relationship, Map symbol design and configuration re-start in graphics software, this needs a large amount of manually going to process, become the bottleneck of rapid drafting, being difficult to contentedly, fast network issue and the emergent drawing of diagram data need.
The drawing of GIS software exists essential distinction with professional cartography software.
Although GIS software possesses certain drawing function, but because there is obvious defective in it aspect map Beautification design, the map of its design and production is difficult to reach the requirement of version map, main cause is: what GIS software adopted is geographic model (GIS data model, or claim digital landscape model, Digital Landscape Model, DLM), pay attention to spatial integrity, continuity and the spatial relationship of geographic element and the description of relevant semantic information, emphasize spatial analysis functions; GIS software can only simply chart to the GIS data, such as easy configuration symbol and the map decorate, do not possess professional map edit, colour planning and Visualization instrument, therefore primary demand (such as the simple digital map of special dimension etc.) is only satisfied in this drawing to a certain extent, is difficult to reach the drawing requirement of open edition map (especially paper map).
And the graphics software employing is cartographic model (map datum, or title digital cartographic model, Digital Cartography Model, DCM), it emphasizes geographical information visualization (expression) effect, Space Elements integrality even spatial relationship are then not too paid attention to, even can be the accuracy of the geographic position that reduces partial element and relation as cost, to reach the purpose that strengthens map representation power.
As previously mentioned, graphics software is different in response to the usefulness purpose from GIS software, and adopts different new data organization model, and the difference of model causes the reduction such as data semantic information dropout and spatial position precision in the data-switching.A little less than the GIS software map making function, the map of design and production is difficult to reach publication requirement; The drawing of professional cartography software is powerful, but need to draw to the GIS line a large amount of work for the treatment of of carrying out of data, draws data smoothing processing, key element Design of Symbols and configuration etc. such as key element layering, the processing of key element gland relation, line.
Address the above problem, several methods of generally trying out are arranged at present, but these methods respectively have relative merits: (1) sets up GIS Map Expression model; (2) carry out indirect conversion by vector graphics format AutoCAD DXF, Windows EMF, Adobe Illustrator AI etc. as intermediate form; (3) use clipbook, the mode of the GIS data communication device being crossed PASTE SPECIAL by the interoperability between ArcGIS software and CorelDraw software is directly changed into the formatted data of CorelDraw etc.Map Expression model based on GIS, geodata and Map Expression information are organically blended, the object level of being convenient to map objects is revised and is preserved, reduced data redundancy, be convenient to incremental update and the multiple representation of map, also be convenient to simultaneously traditional GIS expansion Map Expression ability, but this model still rests on the formalized description stage, does not still develop related system; Utilize the technology path of GIS data map making under the CorelDraw environment, its key step is: the screening of data and analysis → data projection conversion → data hierarchy → data edition → symbolism → engineer's scale is determined → Data Format Transform (map output), although this method has solved the format conversion problem of GIS data to the CorelDraw data, but but can not control to the map datum transfer process from the GIS data, therefore can't customize the rule that the GIS data-switching becomes map datum, map datum after the output still exists impression and double exposure, the problems such as mending-leakage is white, the topmost characteristics of the method still will be carried out symbolism in CorelDraw, play up, standardization, human-edited's work that data edition etc. are a large amount of; Adopt the method for " copying+paste " to realize that the ArcGIS data are to the conversion of CorelDraw data, this method not only will be carried out " copying+paste " repeatedly or change EMF(Windows enhancement mode meta file according to the key element type) operation, and also the information dropouts such as annotation, symbol, color are serious after the conversion.
The line that these solutions have solved substantially from GIS software to graphics software is drawn data-switching, and to draw precision not high but still exist line, and the semantic information of data is lost problems such as (such as element category, attribute, relation, symbolic formulations etc.) in a large number.Graphics software is drawn data to producing the map that meets publication requirement from the line of conversion, need to carry out a large amount of artificial treatment work to element category, relationship expression, attribute expression, Design of Symbols and configuration, colour planning etc.
Summary of the invention
The object of the invention is to, be implemented in the at utmost conversion that line under the cartographic convention support is drawn data and semantic information thereof, improve draught smanship and efficient based on the GIS data, therefore the quick map Mapping System based on the GIS data is provided.
Technical scheme of the present invention is a kind of quick map Mapping System based on the GIS data, comprises that original GIS data read module 10, symbolic library structure module 20, plan design base module 30, conflict of feature are processed base module 40, cartographic convention provides module 50, map datum generation module 60 and map file input/output module 70;
Original GIS data read module 10, be used for drawing data, symbolic information and semantic information from original GIS data read line, and line is drawn data input map datum generation module 60, symbolic information incoming symbol storehouse is made up module 20, semantic information is inputted cartographic convention module 50 is provided;
Symbolic library makes up module 20, is used for receiving the symbolic information of original GIS data read module 10 transmission and the CorelDraw symbol file of user's input, and is stored into symbolic library, and the symbol in the symbolic library offers map datum generation module 60;
Plan design base module 30 is used for receiving the plan design knowledge of user's input, and is stored into the plan design knowledge base, and the plan design knowledge in the plan design knowledge base offers map datum generation module 60;
Conflict of feature is processed base module 40, be used for receiving the map elements processing rule of user's input, and be stored into conflict of feature and process knowledge base, conflict of feature is processed map elements processing rule in the knowledge base and is offered cartographic convention module 50 is provided, and described map elements processing rule comprises that key element gland processing rule, key element shift rule and the key element in the drawing expression process give up rule;
Cartographic convention provides module 50, be used for receiving the semantic information of original GIS data read module 10 inputs, provide the symbolism rule to map datum generation module 60 according to semantic information, process from conflict of feature according to semantic information and extract corresponding map elements processing rule the base module 40 and offer map datum generation module 60;
Map datum generation module 60 is used for making up the symbolism rule that symbol that module 20 provides and cartographic convention provide module 50 to provide according to symbolic library, the line of original GIS data read module 10 inputs is drawn data carry out symbolism, obtains the map making model; Then the geographic element processing rule that provides module 50 to provide according to cartographic convention carries out the conflict of map elements and processes to the map cartographic model; At last, according to the plan design knowledge that plan design base module 30 provides the map cartographic model is carried out ornamenting, generate final map datum and output to map datum generation module 60;
Map file input/output module 70, be used for map datum that map datum generation module 60 is generated and resolve to textual description information based on the PostScript language according to the syntax rule of PostScript language, textual description information is write in the map file export.
And described symbolic library makes up module 20 and comprises CorelDraw symbol input-output unit, GIS symbolic information reading unit and classification of sign administrative unit;
CorelDraw symbol input-output unit, be used for providing the function that imports and exports of CorelDraw symbol file, comprise the CorelDraw symbol file incoming symbol Classification Management unit of user's input, support simultaneously existing symbol in the symbolic library is exported as the CorelDraw symbol file;
GIS symbolic information reading unit is used for the symbolic information incoming symbol Classification Management unit with original GIS data read module 10 transmission;
The classification of sign administrative unit, the symbolic information that being used for CorelDraw symbol file that CorelDraw symbol input-output unit is provided and GIS symbolic information reading unit provides deposits symbolic library in, and supports Classification Management.
And described map datum generation module 60 comprises symbolism unit, conflict of feature processing unit and map appearance unit;
The symbolism unit, be used for making up the symbolism rule that symbol that module 20 provides and cartographic convention provide module 50 to provide according to symbolic library, the line of original GIS data read module 10 inputs is drawn data carry out symbolism, obtain the map making model and output to the conflict of feature processing unit;
The conflict of feature processing unit, for the geographic element processing rule that provides module 50 to provide according to cartographic convention, the map making model of symbolism unit input is carried out the conflict processing of map elements, the map making mode input map appearance unit after conflict is processed
The map appearance unit, for the plan design knowledge that provides according to plan design base module 30, the map making model that the conflict of feature processing unit is inputted carries out ornamenting, generates final map datum.
The present invention proposes to realize the rapid drafting of GIS data by writing the quick map Mapping System of GIS data under the cartographic convention support.This system at first becomes graphics software (such as CorelDraw the GIS data-switching, the form of the AI(Adobe Illustrator software of Illustrator etc.) supporting, the high accuracy data form that graphics orient is published) formatted data, utilize simultaneously predefined cartographic convention in the semantic information of GIS data and the Mapping System, finish the robotization pre-service of cartographic data in the data conversion process, comprising: key element AUTOMATIC ZONING, element relationship are adjusted automatically, annotation disposes automatically, the Design of Symbols of color setting, graphics orient software and configuration etc.The drawing formatted data that adopts this method to obtain from the GIS data-switching can be finished mass data pre-service work before the map making editor, reduce the time of processing in graphics software, shortens the drawing cycle, to improve the map making efficient of GIS data.
Description of drawings
Fig. 1 is the structural drawing of the embodiment of the invention;
Fig. 2 is that the original GIS data of the embodiment of the invention read synoptic diagram;
Fig. 3 is that the symbolic library of the embodiment of the invention makes up synoptic diagram;
Fig. 4 is the plan design knowledge distribution synoptic diagram of the embodiment of the invention;
Fig. 5 is that the map datum of the embodiment of the invention generates synoptic diagram.
Embodiment
Quick map Mapping System based on the GIS data of the present invention is outstanding automatic cartography flow process based on GIS semantic information and cartographic convention storehouse emphatically, by the intelligent conversion of GIS semantic information, manually customize cartographic convention and three kinds of modes of system's predefine cartographic convention generate the quick map cartographic convention of final GIS data.Intelligent conversion to the GIS semantic information refers to the semantic information among the GIS, be converted to the map elements descriptor of drawing in expressing such as information such as element category, key element attribute, element relationship, such as the positional information of the color of the drawing order of map layer, map elements, map elements, writing configuration rule etc.Manually the cartographic convention of customization refers to that the user carries out the map file parameter configuration by the map template configuration interface that system provides; System's predefine cartographic convention refers to some default rules in the tradition drawing expression, processes such as the road gland, and annotation is given up rule, key element shift rule etc., and these rules are defined within the system, automatically call when the user charts.
Technical solution of the present invention can adopt computer software technology to realize modular design.Describe technical solution of the present invention in detail below in conjunction with drawings and Examples.
Such as Fig. 1, embodiment provide comprises that based on the quick map Mapping System of GIS data original GIS data read module 10, symbolic library structure module 20, plan design base module 30, conflict of feature are processed base module 40, cartographic convention provides module 50, map datum generation module 60 and map file input/output module 70.Illustrate respectively that below each module realizes, for implementing reference.
Original GIS data read module 10, be used for drawing data, symbolic information and semantic information from original GIS data read line, and line is drawn data input map datum generation module 60, symbolic information incoming symbol storehouse is made up module 20, semantic information is inputted cartographic convention module 50 is provided.Among the embodiment, according to the original GIS data of user input, generate map making key element resources bank, comprise that line draws data, symbolic information and semantic information.
The original GIS data of original GIS data read module 10 specific implementations read can be referring to Fig. 2:
GIS basic space data read, and comprise locus and the related geometric information of entities such as reading point, line, surface, annotation, obtain line and draw data.Symbol and figure layer are played up information and are read, and comprise the symbolic information, the font information of annotation, the mode of playing up of figure layer, the i.e. symbolic information that read the point, line, surface key element.Relevant semantic information is expressed in drawing, refer to be stored in the relevant attribute information of drawing expression in the GIS geographic element, these attribute informations are used for describing the cartographic convention of map elements, process grade etc. such as order, symbolic coding, key element key element shifting processing grade, the key element gland of symbolism.These rules offer cartographic convention module 50 are provided, and are used for carrying out the generation of map datum.During implementation, system can provide drawing to express the attribute related description to the user, namely by the format standard of document description attribute, the user expresses the attribute related description with reference to drawing, and attribute is expressed in the drawing of typing geographic element in the process of original GIS data acquisition.System reads GIS figure layer geological information and attribute data successively by the ArcEngine assembly, and the gained line is drawn data, symbolic information and semantic information and is stored in the map making model.
Symbolic library makes up module 20, is used for receiving the symbolic information of original GIS data read module 10 transmission and the CorelDraw symbol file of user's input, and is stored into symbolic library, and the symbol in the symbolic library offers map datum generation module 60.Symbolic library makes up module 20 can divide CorelDraw symbol input-output unit, GIS symbolic information reading unit and the design of classification of sign administrative unit.CorelDraw symbol input-output unit, be used for providing the function that imports and exports of CorelDraw symbol file, comprise the CorelDraw symbol file incoming symbol Classification Management unit of user's input, support simultaneously existing symbol in the symbolic library is exported as the CorelDraw symbol file; GIS symbolic information reading unit is used for the symbolic information incoming symbol Classification Management unit with original GIS data read module 10 transmission; The classification of sign administrative unit, the symbolic information that being used for CorelDraw symbol file that CorelDraw symbol input-output unit is provided and GIS symbolic information reading unit provides deposits symbolic library in, and supports Classification Management.The function that imports and exports of CorelDraw symbol file is provided by CorelDraw symbol input-output unit, the user can import the ai file of deriving among the CorelDraw in the symbolic library and be stored as binit information, also edits in CorelDraw so that existing symbol in the symbolic library is exported as ai file simultaneously.By GIS symbolic information reading unit, can from the Style symbol file of ArcGIS symbol, read corresponding symbolic information, and dump in the symbolic library, the symbolic information source during simultaneously as CorelDraw symbol input-output unit output ai file.The functions such as newly-built, modification, deletion of classification of sign can be provided by the classification of sign administrative unit, and the user selects the symbol that imports to sort out.
Symbolic library makes up that module 20 specific implementation symbolic libraries make up can be referring to Fig. 3:
Symbol file imports: comprise that the CorelDraw symbol imports and the ArcGIS symbol file imports.When the CorelDraw symbol imports, at first in CorelDraw, make map symbol, then save as the symbol file of AI form, create in the interface at symbol at last and import symbol file, finished by CorelDraw symbol input-output unit.When the ArcGIS symbol file imports directly importing get final product, finished by GIS symbolic information reading unit.
Self-defined symbol creates: the interface that can provide the user that symbol is created, classifies, manages by the classification of sign administrative unit, also can provide interface for users to provide basic symbol pel according to system, carry out the pel combination, for example line symbol combination and area symbol combination.Pel after the combination is the symbol that will create.
The self-defined symbol that the CorelDraw symbol file of the symbolic information of original GIS data read module 10 transmission, user's input and user create all deposits symbolic library in by the classification of classification of sign administrative unit.Symbolic library can adopt the existing database technique construction, and the classification of sign table wherein is set.Carry out the classification of sign information creating according to national basis geography information element category and coding standard, the information that creates is stored in the classification of sign table, list structure is as shown in table 2 below.
Table 1 classification of sign message store table
| Specific name | Sorting code number | Affiliated type (point, line, surface) | … | … | … |
| ? | ? | ? | ? | ? | ? |
Plan design base module 30 is used for receiving the plan design knowledge of user's input, and is stored into the plan design knowledge base, and the plan design knowledge in the plan design knowledge base offers map datum generation module 60.Plan design knowledge comprises map page size knowledge, map picture frame design knowledge, map page ornamenting knowledge etc.Also can design by plan design base module 30 provides the interface to customization plan design template.
The plan design knowledge base can adopt the existing database technology to realize information management.The every plan design knowledge distribution of plan design base module 30 specific implementations can be referring to Fig. 4:
Projection knowledge: comprise according to projection type creating projection knowledge base table in the plan design knowledge base, in projection knowledge base table, list structure is as shown in table 2 below with the projection knowledge store.Projection knowledge can be by ArcGIS projection importing or by user's manual creation projection information.
Table 2 projection knowledge base table
| The projection title | Projection type | Projective parameter 1 | Projective parameter 2 | … | … |
| ? | ? | ? | ? | ? | ? |
Framing knowledge: can provide framing knowledge creating interface to the user, according to the geographic range of mapland and the framing mode of user selection (rectangular mapsubdivision or warp and weft framing), automatically create framing information.
Engineer's scale information: can manually input map scale information or directly read map scale by the user.
The picture frame design knowledge: the user carries out picture frame design and legend design in CorelDraw software, export as AI form picture frame design document and AI form legend design document after design is finished, and imports the plan design knowledge base of native system again.Also can provide the map page parameter that the interface is set to the user, according to the map page parameter of user's output, generate the picture frame design knowledge, store in the plan design knowledge base table that creates in the plan design knowledge base.List structure is as shown in table 3 below.
Table 3 picture frame design knowledge base table
| The picture frame sequence number | The picture frame content | The legend sequence number | The legend content | Plan design parameter 1 | … | … |
| ? | ? | ? | ? | ? | ? | ? |
Conflict of feature processing base module 40 is used for receiving the map elements processing rule of user's input, and is stored into conflict of feature processing knowledge base, and the map elements processing rule in the conflict of feature processing knowledge base offers cartographic convention provides module 50.The map elements processing rule comprises that key element gland processing rule, key element shift rule and the key element in the drawing expression process give up rule etc.During implementation, can adopt the existing database technology to realize conflict of feature processing knowledge base, can by user input map elements processing rule when charting at every turn, also can give tacit consent to the user element conflict and process the before map elements processing rule of use of preserving in the knowledge base.
Cartographic convention provides module 50, be used for receiving the semantic information of original GIS data read module 10 inputs and the map elements processing rule that conflict of feature processing base module 40 provides, provide cartographic convention to map datum generation module 60 according to semantic information, cartographic convention comprises symbolism rule and map elements processing rule.During implementation, from the map making model that original GIS data read module 10 has generated, read the relevant semantic information of each figure layer.These semantic informations have comprised the specific descriptions of figure layer symbolism, such as the order of symbolism, symbolic coding etc.The symbolism of reading rule is delivered in the map datum generation module 60 in the mode of class object.Also comprise key element key element shifting processing grade, key element gland processing grade etc. in the semantic information, process from conflict of feature according to these semantic informations and extract corresponding map elements processing rule the base module 40, and offer map datum generation module 60.
Map datum generation module 60 is used for making up the symbolism rule that symbol that module 20 provides and cartographic convention provide module 50 to provide according to symbolic library, the line of original GIS data read module 10 inputs is drawn data carry out symbolism, obtains the map making model; Then the geographic element processing rule that provides module 50 to provide according to cartographic convention carries out the conflict of map elements and processes to the map cartographic model; At last, according to the plan design knowledge that plan design base module 30 provides the map cartographic model is carried out ornamenting, generate final map datum and output to map datum generation module 60.Map datum generation module 60 can divide symbolism unit, conflict of feature processing unit and map appearance Unit Design: the symbolism unit, be used for making up the symbolism rule that symbol that module 20 provides and cartographic convention provide module 50 to provide according to symbolic library, the line of original GIS data read module 10 inputs is drawn data carry out symbolism, obtain the map making model and output to the conflict of feature processing unit.The conflict of feature processing unit, for the geographic element processing rule that provides module 50 to provide according to cartographic convention, the map making model of symbolism unit input is carried out the conflict processing of map elements, the map making mode input map appearance unit after conflict is processed.The map appearance unit, for the plan design knowledge that provides according to plan design base module 30, the map making model that the conflict of feature processing unit is inputted carries out ornamenting, generates final map datum.
Map datum generation module 60 specific implementation map datums generate can referring to Fig. 5, comprise following steps:
Symbolism step: make up the symbolism rule that symbol that module 20 provides and cartographic convention provide module 50 to provide according to symbolic library, the line of original GIS data read module 10 inputs is drawn data carry out symbolism, obtain the map making model, realized by the symbolism unit.Line is drawn point in the data, is drawn, face carries out the symbol configuration according to symbol, and annotation then transfers the literal key element to.
The conflict of feature treatment step: inquiry is through after the above-mentioned symbolism step, the map elements of the mutual gland in the cartographic model, provide from cartographic convention according to the relevant information of key element and to read the geographic element processing rule the module 50, the map elements that clashes (gland, stacked) is redrawn (shifting processing), generate new map elements, realized by the conflict of feature processing unit.
Page ornamenting key element treatment step: knowledge base is set to the interface that the user provides customization plan design template by drawing, obtains and take the drawing board that the family is selected; According to drawing board, from the plan design knowledge base that plan design base module 30 makes up, read picture frame, legend and the page ornamenting information of map, and these information are converted into map elements, and store in the map making model, realized by the map appearance unit.
Map file input/output module 70, be used for map datum that map datum generation module 60 is generated and resolve to textual description information based on the PostScript language according to the syntax rule of PostScript language, textual description information is write in the map file export.During implementation, can from plan design base module 30, read according to the drawing board of user selection the page parameter of map, page parameter is written in the map file of PostScript language description, then, the map datum that map datum generation module 60 generates is resolved according to the figure description rule of PostScript language, and the figure that parsing obtains is described text message and is written in the map file.
For the sake of ease of implementation, the drawing course that provides the user to adopt quick map Mapping System provided by the present invention to carry out is as follows:
Step 1, original GIS data read step comprises the GIS data according to user's input, generates map making key element resources bank;
Step 2, the symbolic library foundation step, comprise at first and in CorelDraw, to carry out symbol plotting according to national basic-scale topographic map symbol standard and thematic map symbol production standard that drawn symbol makes up module 20 by symbolic library of the present invention and imports in the symbolic library;
Step 3, plan design knowledge base foundation step, the user manually inputs sheet line system knowledge, map projection's knowledge, imports map sheet ornamenting file from CorelDraw, creates map appearance knowledge, with these knowledge store in the plan design knowledge base;
Step 4, map datum generates step, and the user selection drawing arranges the customization plan design template that knowledge base provides, and according to cartographic convention, generates final map datum, and result's preview in the drawing window shows;
Step 5, map file output step resolves to textual description information based on the PostScript language with the map datum that generates according to the syntax rule of PostScript language, text message is write in the map file export at last.
Specific embodiment described herein only is to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (1)
1. the quick map Mapping System based on the GIS data is characterized in that: comprise that original GIS data read module (10), symbolic library structure module (20), plan design base module (30), conflict of feature are processed base module (40), cartographic convention provides module (50), map datum generation module (60) and map file input/output module (70);
Original GIS data read module (10), be used for drawing data, symbolic information and semantic information from original GIS data read line, and line is drawn data input map datum generation module (60), symbolic information incoming symbol storehouse is made up module (20), semantic information is inputted cartographic convention module (50) is provided;
Symbolic library makes up module (20), is used for receiving the symbolic information of original GIS data read module (10) transmission and the CorelDraw symbol file of user's input, and is stored into symbolic library, and the symbol in the symbolic library offers map datum generation module (60); Described symbolic library makes up module (20) and comprises CorelDraw symbol input-output unit, GIS symbolic information reading unit and classification of sign administrative unit;
CorelDraw symbol input-output unit, be used for providing the function that imports and exports of CorelDraw symbol file, comprise the CorelDraw symbol file incoming symbol Classification Management unit of user's input, support simultaneously existing symbol in the symbolic library is exported as the CorelDraw symbol file;
GIS symbolic information reading unit is used for the symbolic information incoming symbol Classification Management unit with original GIS data read module (10) transmission;
The classification of sign administrative unit, the symbolic information that being used for CorelDraw symbol file that CorelDraw symbol input-output unit is provided and GIS symbolic information reading unit provides deposits symbolic library in, and supports Classification Management;
Plan design base module (30) is used for receiving the plan design knowledge of user's input, and is stored into the plan design knowledge base, and the plan design knowledge in the plan design knowledge base offers map datum generation module (60);
Conflict of feature is processed base module (40), be used for receiving the map elements processing rule of user's input, and be stored into conflict of feature and process knowledge base, conflict of feature is processed map elements processing rule in the knowledge base and is offered cartographic convention module (50) is provided, and described map elements processing rule comprises that key element gland processing rule, key element shift rule and the key element in the drawing expression process give up rule;
Cartographic convention provides module (50), be used for receiving the semantic information of original GIS data read module (10) input, provide the symbolism rule to map datum generation module (60) according to semantic information, process from conflict of feature according to semantic information and extract corresponding map elements processing rule the base module (40) and offer map datum generation module (60);
Map datum generation module (60), the symbol and the cartographic convention that are used for providing according to symbolic library structure module (20) provide the module symbolism that (50) provide rule, the line of original GIS data read module (10) input is drawn data carry out symbolism, obtain the map making model; Then provide the module geographic element processing rule that (50) provide according to cartographic convention, the map cartographic model is carried out the conflict of map elements and process; At last, according to the plan design knowledge that plan design base module (30) provides the map cartographic model is carried out ornamenting, generate final map datum and output to map datum generation module (60); Described map datum generation module (60) comprises symbolism unit, conflict of feature processing unit and map appearance unit;
The symbolism unit, the symbol and the cartographic convention that are used for providing according to symbolic library structure module (20) provide the module symbolism that (50) provide rule, the line of original GIS data read module (10) input is drawn data carry out symbolism, obtain the map making model and output to the conflict of feature processing unit;
The conflict of feature processing unit, be used for providing the module geographic element processing rule that (50) provide according to cartographic convention, the map making model of symbolism unit input is carried out the conflict processing of map elements, the map making mode input map appearance unit after conflict is processed;
The map appearance unit, for the plan design knowledge that provides according to plan design base module (30), the map making model that the conflict of feature processing unit is inputted carries out ornamenting, generates final map datum;
Map file input/output module (70), be used for map datum that map datum generation module (60) is generated and resolve to textual description information based on the PostScript language according to the syntax rule of PostScript language, textual description information is write in the map file export.
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| CN108986638A (en) * | 2018-06-15 | 2018-12-11 | 武汉智图科技有限责任公司 | A kind of method of sea chart thematic map rapid drafting |
| CN108846099A (en) * | 2018-06-15 | 2018-11-20 | 武汉智图科技有限责任公司 | A method of publishing grade map autodraft |
| CN108900352A (en) * | 2018-07-14 | 2018-11-27 | 昆山数字城市信息技术有限公司 | Internet resources Design of Symbols method under semantics-driven |
| CN109241371B (en) * | 2018-08-28 | 2020-09-22 | 广州城市信息研究所有限公司 | Map data storage method, map data loading method, map data storage device, map data loading device and computer equipment |
| CN109783088A (en) * | 2018-12-29 | 2019-05-21 | 北京辰安科技股份有限公司 | Based on customization emergency maps sign webgis display methods and device |
| CN109977183B (en) * | 2019-03-18 | 2021-06-08 | 武大吉奥信息技术有限公司 | Drawing method of planning and natural resource service drawings in WebGIS environment |
| CN110675729B (en) * | 2019-10-14 | 2021-07-20 | 山东省国土测绘院 | Multi-version local geographic information integrated drawing method and system |
| CN111222226B (en) * | 2019-12-25 | 2023-06-23 | 中国南方电网有限责任公司 | Conversion and access system and method from EMS (energy management system) to GIS (geographic information system) model based on scheduling application view angle |
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