CN102509511A - 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 making system based on the GIS data.
Background technology
Traditional map making is directly on paper material, to draw through manual, and this plotting mode not only efficient is extremely low, and revises difficulty, and map upgrades more wastes time and energy.The development of Along with computer technology.Computerized mapping has progressively substituted manual drawing, a large amount of Map Design 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 the lot of data collecting work; Not only improved data production efficiency; And accelerated Data Update speed, and to compare with tradition drawing pattern, the numerical map production cycle has shortened greatly.The GIS data are geographical spatial datas.Yet; Fast development along with observation technology, GIS (geographic information system technology) etc.; The collection of geography information, storage, analysis, application be being integrally formed 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 (like the data of Software Production such as ArcGIS) that comprise a large amount of semantic informations have become the general data source of map making.Thisly draw the digital cartography process of data as 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 (like 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 change the problem etc. of losing that line is drawn geographic element semantic information in the data procedures, and needs of work such as element category (layering), element relationship, map symbol design and configuration carry out in graphics software again, and this needs a large amount of manual works go to handle; Become the bottleneck of rapid drafting, being difficult to contentedly, the fast network issue and the emergent drawing of diagram data need.
The drawing of GIS software exists essential distinction with professional graphics software.
Although GIS software possesses certain drawing function, because it beautifies design aspect at map and has obvious defects, the map of its design and production is difficult to reach the requirement of version map; Main cause is: the GIS The software adopted be geographic model (GIS data model; Or claim digital landscape model, Digital Landscape Model, DLM); Pay attention to spatial integrity property, continuity and the spatial relationship of geographic element and the description of relevant semantic information, stress spatial analysis functions; GIS software can only simply chart to the GIS data; Like easy configuration symbol and drawing ornamenting; Do not possess professional map edit, colour planning and visual representation aids; 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 the title digital cartographic model, Digital Cartography Model, DCM); It stresses geographical information visualization (expression) effect; Space key element integrality even spatial relationship are then not too paid attention to, even can be the accuracy of geographic position that reduces partial element and relation as cost, to reach the purpose that strengthens the map expressive force.
As previously mentioned, graphics software and GIS software is in response to different with purpose, and adopts different new data organization model, and the difference of model causes 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, design is difficult to reach the publication requirement with the map of producing; The drawing of specialty graphics software is powerful, but need draw a large amount of work of treatment of carrying out of data to the GIS line, draws data smoothing processing, key element Symbol Design and configuration etc. like key element layering, the processing of key element gland relation, line.
Address the above problem, several kinds of methods generally on probation are arranged at present, but these methods respectively have relative merits: GIS Map Expression model is set up in (1); (2) carry out indirect conversion through vector graphics format AutoCAD DXF, Windows EMF, Adobe Illustrator AI etc. as intermediate form; (3) use clipbook, be directly changed into the mode of GIS data through PASTE SPECIAL through the interoperability between ArcGIS software and CorelDraw software the formatted data of CorelDraw etc.Map Expression model based on GIS; Geodata and Map Expression information are organically blended, and the object level of being convenient to map objects is revised and is preserved, and has reduced data redundancy; Be convenient to the 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 confirmed → Data Format Transform (map output); Though this method has solved the format conversion problem of GIS data to 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; Still there are problems such as impression and double exposure, mending-leakage be white in map datum after the output, a large amount of human-edited's work such as the topmost characteristics of this method still will be carried out symbolism, played up in CorelDraw, standardization, data edition; Adopt the method for " duplicating+paste " to realize of the conversion of ArcGIS data to the CorelDraw data; This method not only will be carried out repeatedly " duplicating+paste " or conversion EMF (Windows enhancement mode meta file) operation according to the key element type, and information dropouts such as annotation, symbol, color are serious after the conversion.
The line that these solutions have solved from GIS software to graphics software is basically drawn data-switching, and to draw precision not high but still exist line, and the semantic information of data is lost problems such as (like element category, attribute, relation, symbolic formulations etc.) in a large number.Graphics software is drawn data from the line of conversion and is published the map that requires to producing to meet, and need carry out a large amount of artificial treatment work to element category, relationship expression, attribute expression, Symbol Design and configuration, colour planning etc.
Summary of the invention
The objective 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, therefore the quick map making system based on the GIS data is provided based on the GIS data.
Technical scheme of the present invention is a kind of quick map making system based on the GIS data, comprises that original GIS data read module 10, symbolic library make up that module 20, drawing design knowledge library module 30, key element conflict are handled 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 import map datum generation module 60, symbolic information incoming symbol storehouse is made up module 20, semantic information is imported cartographic convention module 50 is provided;
Symbolic library makes up module 20, is used to receive the symbolic information of original GIS data read module 10 transmission and the CorelDraw symbol file of user's input, and stores symbolic library, and the symbol in the symbolic library offers map datum generation module 60;
Drawing design knowledge library module 30 is used to receive the drawing design knowledge of user's input, and stores the drawing design knowledge base, and the drawing design knowledge in the drawing design knowledge base offers map datum generation module 60;
Cartographic convention provides module 50; Be used to receive 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, handle from the key element conflict 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, and the line that original GIS data read module 10 is imported is drawn data and carried out symbolism, obtains the map making model; The geographic element processing rule that provides module 50 to provide according to cartographic convention then carries out the conflict of map elements and handles to the map cartographic model; At last, the map cartographic model is carried out ornamenting, generate final map datum and output to map datum generation module 60 according to the drawing design knowledge that drawing design knowledge library module 30 provides;
Map file input/output module 70; The map datum that is used for map datum generation module 60 is generated resolves to the 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 said 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 to provide 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 CorelDraw symbol file that is used for CorelDraw symbol input-output unit is provided and GIS symbolic information reading unit provide deposits symbolic library in, and supports Classification Management.
And said map datum generation module 60 comprises symbolism unit, key element conflict processing unit and map appearance unit;
The symbolism unit; It is regular with the symbolism that cartographic convention provides module 50 to provide to be used for making up the symbol that module 20 provides 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 key element conflict processing unit;
Key element conflict processing unit; Be used 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 model input map appearance unit after conflict is handled
The map appearance unit is used for the drawing design knowledge that provides according to drawing design knowledge library module 30, and the map making model of key element conflict processing unit input is carried out ornamenting, generates final map datum.
The present invention proposes to realize the rapid drafting of GIS data through writing the quick map making of the GIS data system under the cartographic convention support.This system at first becomes graphics software (like CorelDraw the GIS data-switching; Illustrator etc.) AI (form of supporting of Adobe Illustrator software; The high accuracy data form that graphics orient is published) formatted data; Utilize predefined cartographic convention in semantic information and the drawing system of GIS data simultaneously; Accomplish the robotization pre-service of cartographic data in the data conversion process, comprising: key element AUTOMATIC ZONING, element relationship are adjusted automatically, the Symbol Design of annotation configuration automatically, color settings, graphics orient software and configuration etc.The drawing formatted data that adopts this method to obtain from the GIS data-switching can be accomplished mass data pre-service work before the map making editor, reduce the time of in graphics software, handling, and 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 reads synoptic diagram for the original GIS data of the embodiment of the invention;
Fig. 3 is that the symbolic library of the embodiment of the invention makes up synoptic diagram;
Fig. 4 is the drawing design knowledge configuration schematic diagram of the embodiment of the invention;
Fig. 5 is that the map datum of the embodiment of the invention generates synoptic diagram.
Embodiment
The outstanding emphatically automatic cartography flow process based on GIS semantic information and cartographic convention storehouse of quick map making system based on the GIS data of the present invention is through 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 is meant the semantic information among the GIS; Be the map elements descriptor of drawing in expressing like information translation such as element category, key element attribute, element relationship, like 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 is meant that the user carries out the map file parameter configuration through the map template configuration interface that system provides; System's predefine cartographic convention is meant some default rules in the tradition drawing expression, handles like the road gland, and annotation is given up rule, key element shift rule or the like, and these rules are defined within the system, when the user charts, call automatically.
Technical scheme of the present invention can adopt computer software technology to realize modular design.Specify technical scheme of the present invention below in conjunction with accompanying drawing and embodiment.
Like Fig. 1; Embodiment provide is based on the quick map making system of GIS data, comprises that original GIS data read module 10, symbolic library make up that module 20, drawing design knowledge library module 30, key element conflict are handled base module 40, cartographic convention provides module 50, map datum generation module 60 and map file input/output module 70.Explain 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 import map datum generation module 60, symbolic information incoming symbol storehouse is made up module 20, semantic information is imported cartographic convention module 50 is provided.Among the embodiment,, generate map making key element resources bank, comprise that line draws data, symbolic information and semantic information according to the original GIS data of user input.
Original GIS data read module 10 is concrete realize that original GIS data read can be referring to Fig. 2:
GIS basic space data read, and comprise the 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; Be meant and 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, handle grade etc. like 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 practical implementation; System can provide drawing to express the attribute related description to the user; Promptly through 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 through 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 to receive the symbolic information of original GIS data read module 10 transmission and the CorelDraw symbol file of user's input, and stores 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 to provide 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 CorelDraw symbol file that is used for CorelDraw symbol input-output unit is provided and GIS symbolic information reading unit provide deposits symbolic library in, and supports Classification Management.The function that imports and exports of CorelDraw symbol file is provided through 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.Through 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 through the classification of sign administrative unit, and the user selects the symbol that imports to sort out.
Symbolic library make up module 20 concrete realize that 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, save as the symbol file of AI form then, create in the interface importing symbol file at last at symbol, accomplish by CorelDraw symbol input-output unit.When the ArcGIS symbol file imports directly importing get final product, accomplish by GIS symbolic information reading unit.
Self-defined symbol is created: the interface that can provide the user that symbol is created, classifies, managed through the classification of sign administrative unit; Also can provide interface for users basic symbol pel to be provided 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 available data storehouse 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, in the classification of sign table, list structure is as shown in table 2 below with the information stores of creating.
Table 1 classification of sign message store table
| Specific name | Sorting code number | Affiliated type (point, line, surface) | … | … | … |
| ? | ? | ? | ? | ? | ? |
Drawing design knowledge library module 30 is used to receive the drawing design knowledge of user's input, and stores the drawing design knowledge base, and the drawing design knowledge in the drawing design knowledge base offers map datum generation module 60.The drawing design knowledge comprises map page size knowledge, map picture frame design knowledge, map page ornamenting knowledge etc.Also can design through drawing design knowledge library module 30 provides the interface to customization drawing design template.
The drawing design knowledge base can adopt available data storehouse technology to realize information management.Drawing design knowledge library module 30 is concrete realizes that the configuration of each item drawing design knowledges can be referring to Fig. 4:
Projection knowledge: comprise according to projection type and in the drawing design knowledge base, create projection knowledge base table, in projection knowledge base table, list structure is as shown in table 2 below with the projection knowledge store.Projection knowledge can be imported perhaps by user's manual creation projection information by the ArcGIS projection.
Table 2 projection knowledge base table
| The projection title | Projection type | Projective parameter 1 | Projective parameter 2 | … | … |
| ? | ? | ? | ? | ? | ? |
Framing knowledge: can framing knowledge creating interface be provided to the user,, create framing information automatically according to the geographic range of mapland and the framing mode (rectangular mapsubdivision or warp and weft framing) of user's selection.
Engineer's scale information: can manually import 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, design exports as AI form picture frame design document and AI form legend design document after accomplishing, and imports the drawing design knowledge base of native system again.Also can provide the map page parameter that the interface is set,, generate the picture frame design knowledge, store in the drawing design knowledge base table of creating in the drawing design knowledge base according to the map page parameter of user's output to the user.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 | Drawing design parameter 1 | … | … |
| ? | ? | ? | ? | ? | ? | ? |
Cartographic convention provides module 50; Be used to receive the semantic information of original GIS data read module 10 inputs and the map elements processing rule that key element conflict 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 practical 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, like the order of symbolism, symbolic coding etc.The symbolism of reading rule is delivered in the map datum generation module 60 with the mode of class object.Also comprise key element key element shifting processing grade, key element gland processing grade etc. in the semantic information, handle from the key element conflict 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, and the line that original GIS data read module 10 is imported is drawn data and carried out symbolism, obtains the map making model; The geographic element processing rule that provides module 50 to provide according to cartographic convention then carries out the conflict of map elements and handles to the map cartographic model; At last, the map cartographic model is carried out ornamenting, generate final map datum and output to map datum generation module 60 according to the drawing design knowledge that drawing design knowledge library module 30 provides.Map datum generation module 60 can divide symbolism unit, key element conflict processing unit and map appearance unit design: the symbolism unit; It is regular with the symbolism that cartographic convention provides module 50 to provide to be used for making up the symbol that module 20 provides 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 key element conflict processing unit.Key element conflict processing unit; Be used 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 model input map appearance unit after conflict is handled.The map appearance unit is used for the drawing design knowledge that provides according to drawing design knowledge library module 30, and the map making model of key element conflict processing unit input is carried out ornamenting, generates final map datum.
Map datum generation module 60 concrete realization map datums generate and can comprise following steps referring to Fig. 5:
The symbolism step: it is regular with the symbolism that cartographic convention provides module 50 to provide to make up the symbol that module 20 provides 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, realize 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.
Key element conflict 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; Map elements to clashing (gland, stacked) redraws (shifting processing), generates new map elements, is realized by key element conflict processing unit.
Page ornamenting key element treatment step: knowledge base is set to the interface that the user provides customization drawing design template through drawing, obtains and take the drawing template that the family is selected; According to the drawing template; From the drawing design knowledge base that drawing design knowledge library 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, realize by the map appearance unit.
Map file input/output module 70; The map datum that is used for map datum generation module 60 is generated resolves to the 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 practical implementation; Can from drawing design knowledge library module 30, read the page parameter of map according to the drawing template that the user selects; 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 pattern description rule of PostScript language, resolve the pattern description text message that obtains and be written in the map file.
For ease of implement with reference to for the purpose of, the drawing course that provides the user to adopt quick map making provided by the present invention system to carry out is following:
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, draw good symbol and make up module 20 through symbolic library of the present invention and import in the symbolic library according to national primary scale topographic(al) legend standard and thematic maps symbol making standard;
Step 3, drawing design knowledge base foundation step, the user manually imports sheet line system knowledge, map projection's knowledge, from CorelDraw, imports map sheet ornamenting file, creates map appearance knowledge, with these knowledge store in the drawing design knowledge base;
Step 4, map datum generates step, and the user selects drawing that the customization drawing design template that knowledge base provides is set, 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 the 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 that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes 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 (3)
1. quick map making system based on the GIS data is characterized in that: comprise that original GIS data read module (10), symbolic library make up that module (20), drawing design knowledge library module (30), key element conflict are handled 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 import map datum generation module (60); Symbolic information incoming symbol storehouse is made up module (20), semantic information is imported cartographic convention module (50) is provided;
Symbolic library makes up module (20), is used to receive the symbolic information of original GIS data read module (10) transmission and the CorelDraw symbol file of user's input, and stores symbolic library, and the symbol in the symbolic library offers map datum generation module (60);
Drawing design knowledge library module (30) is used to receive the drawing design knowledge of user's input, and stores the drawing design knowledge base, and the drawing design knowledge in the drawing design knowledge base offers map datum generation module (60);
Base module (40) is handled in the key element conflict; Be used to receive the map elements processing rule of user's input; And key element conflict processing knowledge base is advanced in storage; The key element conflict is handled map elements processing rule in the knowledge base and is offered cartographic convention module (50) is provided, and said 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 to receive 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, handle from the key element conflict 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; According to cartographic convention the module geographic element processing rule that (50) provide is provided then, the map cartographic model is carried out the conflict of map elements and handle; At last, the map cartographic model is carried out ornamenting, generate final map datum and output to map datum generation module (60) according to the drawing design knowledge that drawing design knowledge library module (30) provides;
Map file input/output module (70); The map datum that is used for map datum generation module (60) is generated resolves to the 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.
2. according to the said quick map making system based on the GIS data of claim 1, it is characterized in that: said 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 to provide 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 CorelDraw symbol file that is used for CorelDraw symbol input-output unit is provided and GIS symbolic information reading unit provide deposits symbolic library in, and supports Classification Management.
3. according to claim 1 or 2 said quick map making systems based on the GIS data, it is characterized in that: said map datum generation module (60) comprises symbolism unit, key element conflict 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 key element conflict processing unit;
Key element conflict processing unit; Be used for the module geographic element processing rule that (50) provide being provided according to cartographic convention; The map making model of symbolism unit input is carried out the conflict processing of map elements, the map making model input map appearance unit after conflict is handled
The map appearance unit is used for the drawing design knowledge that provides according to drawing design knowledge library module (30), and the map making model of key element conflict processing unit input is carried out ornamenting, generates final map datum.
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| CN103198148A (en) * | 2013-04-22 | 2013-07-10 | 中煤地西安地图制印有限公司 | Integrated management and multimedia release method for map publishing data |
| CN103366633A (en) * | 2013-04-16 | 2013-10-23 | 中国水利水电科学研究院 | Water conservation map data model-based flood risk map drawing method and system thereof |
| CN103390369A (en) * | 2013-01-24 | 2013-11-13 | 中国科学院遥感应用研究所 | Map rendering method and system |
| CN103927771A (en) * | 2014-04-18 | 2014-07-16 | 武汉大学 | Linear feature shifting method for self-adaptation setting of shape parameters of Snakes model |
| CN105117507A (en) * | 2015-02-13 | 2015-12-02 | 中国人民解放军信息工程大学 | Statistical map legend automatic generation method based on element association |
| CN105137485A (en) * | 2015-08-31 | 2015-12-09 | 中国石油天然气股份有限公司 | Automatic picking and converting method and device for interpretation information in seismic profile bitmap |
| CN105550303A (en) * | 2015-12-11 | 2016-05-04 | 武汉大学 | Usability evaluation method for open geographic space data |
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| CN107729511A (en) * | 2017-10-24 | 2018-02-23 | 南京市测绘勘察研究院股份有限公司 | A kind of customizable geographic information data rectangular mapsubdivision method |
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