CN110096559A - A kind of safety in production thematic map symbol library building system based on OpenLayers - Google Patents
A kind of safety in production thematic map symbol library building system based on OpenLayers Download PDFInfo
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- CN110096559A CN110096559A CN201910284119.9A CN201910284119A CN110096559A CN 110096559 A CN110096559 A CN 110096559A CN 201910284119 A CN201910284119 A CN 201910284119A CN 110096559 A CN110096559 A CN 110096559A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
Abstract
The invention discloses a kind of, and the safety in production thematic map symbol library based on OpenLayers constructs system, the software of profession is needed not rely on using system building map symbols bank, it is easier on using and operating, flexibility is high and economical and practical, map symbol with animation effect and behavioral characteristics, express it is more intuitive and vivid, while construct map symbols bank transportable property and reusability it is higher.Wherein memory module is used for stored symbols material and map symbol, material management module uploads symbol material, editor and management, schematic symbol makes and edit-modify symbolic editing's module over the ground, the attribute modification of symbol sharing module schematic symbol over the ground, the management operation such as symbol grouping management and resource packing, loaded and displayed module is for the effect or application effect preview in symbolic library with new creation thematic map symbol, data transmission module is for data exchange communications between browser and symbolic library storage, format converting module with other map symbol formats for mutually converting.
Description
Technical field
The invention belongs to geographic information system technology fields, and in particular to a kind of safety in production based on OpenLayers is special
It inscribes map symbols bank and constructs system.
Background technique
OpenLayers is one and aims at the JavaScript class libraries packet that the exploitation of Web GIS client provides, for real
The map datum access of existing reference format publication.Safety in production thematic map symbol library refers to specifically for safety in production field
GIS visualization requirement and a kind of map symbols bank designed, since safety in production is related to the production factors and safety of all trades and professions
Real-time, dynamic current demand is monitored, so that safety in production thematic map symbol library is different from existing topographic map, electronic map
Equal thematic map symbols library.
In the prior art, it is directed to the building in general thematic map symbol library mostly, and for safety in production thematic maps symbol
The building in number library not yet proposes effective solution method.For general thematic map symbol library building usually using cartographic data
Library and professional cartography software are realized, following five steps are specifically frequently included:
1, point symbol is made using mapping softwares such as AutoCAD, exports as picture format；
2, it is adjusted using point symbol of the fonts such as FontCreator software for editing to picture format, and exporting is font text
Part；
3, in all kinds of desktop GIS softwares, the point symbol of production is converted into the identifiable format of desktop GIS software as symbol
Point symbol in library, while adding symbol code attribute (unique encodings generally use atural object class code)；
4, in desktop GIS software, point symbol the operation such as be combined to, be superimposed, completes the production of line symbol, face symbol, together
Shi Tianjia symbol code attribute (unique encodings generally use atural object class code)；
5, after symbolic library completes, using specific GIS desktop software loaded and displayed with view result；And pass through GIS service
The map document for quoting map symbols bank is issued as Map Services by device end software, and by corresponding Web component in browser end
Invocation map service.
It is had the following problems from can be seen that in existing technical solution in above-mentioned steps: 1) building of map symbols bank
It needs to make using a variety of professional softwares, professional higher, this, which will lead to ordinary user, can not easily carry out map symbols bank
Building；2) map symbols bank constructed can not be called directly on a web browser, and needing to obtain by the Map Services of publication should
The map symbol used in Map Services, flexibility be not high；3) map symbols bank between all kinds of GIS softwares can not generally lead to
With reusability is poor；4) map symbol animation can not be defined in map symbols bank, and it is real to be unable to satisfy safety in production monitoring element
When, actual demand of the behavioral characteristics to dynamic symbol or symbol animation.
Therefore, it needs to propose a kind of GIS server software and other a variety of professional softwares for needing not rely on profession, use
With it is easier in operation, flexible, versatility is wide, the map symbol with animation effect and behavioral characteristics, can meet full production
The intuitive and vivid display demand of element is monitored, while the map symbols bank constructed can be exchanged into the map symbol of other open formats
Format, transportable property and the higher map symbols bank of reusability construct system and method.
Summary of the invention
Letter is used and operated the technical problem to be solved by the present invention is to solve the above shortcomings of the prior art and to provide a kind of
Just, flexibly, the map symbols bank versatility of building is wide, transportable property and the higher safety based on OpenLayers of reusability are raw
It produces thematic map symbol library and constructs system.
To realize the above-mentioned technical purpose, the technical scheme adopted by the invention is as follows: a kind of safety based on OpenLayers is raw
It produces thematic map symbol library and constructs system, including the transmission of material management module, symbolic editing's module, symbol sharing module, data
Module, memory module, format converting module and loaded and displayed module, material management module are plain by symbol by data transmission module
Material is uploaded to memory module, and symbolic editing's module keeps the safety in production to the symbol material stored in memory module in browser end
The building and modification of thematic map symbol, symbol sharing module carry out attribute to the safety in production thematic map symbol of building and repair
Change, Puncture, symbol grouping management, snapshot generate, resource be packaged or other management operation, then pass through data transmission module
It is transmitted to memory module to be stored, loaded and displayed module is to the safety in production special topic ground for creating or modifying in symbolic editing's module
Schematic symbol live effect shows and carries out loaded and displayed to the safety in production thematic map symbol stored in memory module, and format turns
Mold changing block is mutually converted between thematic map symbol and the map symbol of other formats for keeping the safety in production in memory module.
To optimize above-mentioned technical proposal, the concrete measure taken further include:
The material management module for symbol material to be uploaded, edited and managed, support by the material management module
Picture format include PNG, SVG, GIF, JPG, BMP, the font format of support includes TrueType (.ttf), EOT(.eot),
OpenType(.otf), WOFF(.woff) and SVG(.svg), realize to the preview of picture file, font file, path management,
Upload and delete operation.
The symbol material includes the unique ID of picture, picture name, picture URL request address, icon size, theme class
Not, the unique ID of font, font name and font URL request address, the safety in production thematic map symbol include ground icon
Number unique ID, sign pattern, thematic factor code and Map symbol definition.
Symbolic editing's module is used to that safety in production thematic map symbol to be made and be edited, content of edit packet
Point symbol editor, line symbolic editing, face symbolic editing and animated character editor are included, the point symbol editor supports to point symbol
Shape, icon, font characters, display text, size, display level range, weight, scaling, rotates angle, is inclined color
Shifting amount and animation effect parameter are configured, while being supported to point symbol stack combinations；The line symbolic editing supports to accord with line
Number color, line width, sideline color, line style parameter be configured, while supporting to set the summary Treatment Options parameter of line number evidence
It sets；The face symbolic editing supports the fill color of opposite symbol, filling texture, filling point symbol, sideline parameter to be configured；Institute
Animated character editor is stated to support to be configured the animation effect of animated character, animation duration, animation intervals parameter.
The symbol sharing module supports that the attribute of modification includes designation, classification code, display scale ruler；It is described
Symbol grouping management pass through drag operation realize；The snapshot, which generates, to be supported static symbol exporting as PNG picture format,
Symbol containing animation effect is exported as into GIF picture format, symbol, which is modified, can automatically generate snapshot after preservation；Described
Resource, which is packaged, supports PNG picture, GIF picture, ZIP compressed format, SVG format etc., can be by the corresponding different pictures of distinct symbols
Resource is extracted again merges into new material resource packet, and in order to the data transmission and migration of symbol, network request is effectively reduced
Number, improve map symbol service performance.
The data transmission module includes map symbol data sink and map symbol data source, the ground
Schematic symbol data sink and map symbol data source are the realization of server end Web Serverice, data transmission
When use JSON format or XML format, the data transmission module provides external map symbol translation interface.
The memory module is used for stored symbols material and safety in production thematic map symbol, and storage mode includes
Oracle, MySQL, SQLServer, PostgreSql database and zip compress packaging file, txt text file, XML lattice
Formula file, JSON formatted file.
The format converting module is supported the map symbol format of this system exporting as SLD format, XML format (GB/
T 35631-2017), the difference of SuperMap map vector symbolic library swap file format 2.0 and other open format contents
The sign form of GIS software, format abandon the part that do not support checkering when converting according to the actual situation.
The loaded and displayed module includes that single symbol load is aobvious to the loaded and displayed of safety in production thematic map symbol
Show, total factor symbol loaded and displayed, the module is by calling data transmission module to obtain map symbol, to use OpenLayers
The thematic symbol of API encapsulation shows container, supports point symbol, line symbol, face symbol and the dynamic symbol with animation effect
Loaded and displayed.
The present invention has the advantages that compared to the prior art
1) building in safety in production thematic map symbol library can be operated directly on Web browser, relative to profession
GIS software is used and is operated and is easier, easy-to-use；
2) safety in production thematic map symbol library can directly be used in Web application based on Web component, need not rely on profession
GIS server software, more economically；
3) there can be the map of animation effect and behavioral characteristics for the production of the fields such as safety in production by symbolic editing's module
Symbol, the more intuitive and image in terms of showing real-time monitoring element；
4) map symbols bank constructed uses the database combinations file sides such as MySQL, Oracle, SQLServer, Postgresql
Formula is stored, and the map symbols bank and other open formats of XML format can be converted by format converting module
Map symbol format, transportable property and reusability are higher.
Detailed description of the invention
Fig. 1 is building schematic diagram of the invention.
Appended drawing reference therein are as follows: material management module 1, symbolic editing's module 2, symbol sharing module 3, data transmit mould
Block 4, memory module 5, format converting module 6, loaded and displayed module 7.
Specific embodiment
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
A kind of safety in production thematic map symbol library building system based on OpenLayers, including material management module 1,
Symbolic editing's module 2, symbol sharing module 3, data transmission module 4, memory module 5, format converting module 6 and loaded and displayed mould
Symbol material is uploaded to memory module 5 by data transmission module 4 by block 7, material management module 1, and symbolic editing's module 2 is clear
Look at device end to the symbol material stored in memory module 5 carry out safety in production thematic map symbol building and modification, symbol pipe
It is raw that the safety in production thematic map symbol of 3 pairs of module buildings of reason carries out attribute modification, Puncture, symbol grouping management, snapshot
It is packaged at, resource or other management operations, memory module 5 is then transmitted to by data transmission module 4 and is stored, load is aobvious
Show that module 7 shows and to storage the safety in production thematic map symbol live effect for creating or modifying in symbolic editing's module 2
The safety in production thematic map symbol stored in module 5 carries out loaded and displayed, and format converting module 6 in memory module 5 for pacifying
It is mutually converted between full production thematic map symbol and the map symbol of other formats.
Optimally, the material management module 1 is for being uploaded, being edited and being managed to symbol material, the material
The picture format that management module 1 is supported includes PNG, SVG, GIF, JPG, BMP, and the font format of support includes TrueType
(.ttf), EOT.eot), OpenType.otf, WOFF.woff and SVG.svg, realize to picture file, font file it is pre-
It lookes at, path management, upload and delete operation.
Optimally, the symbol material includes the unique ID of picture, picture name, picture URL request address, icon ruler
The unique ID of very little, subject categories, font, font name and font URL request address, the safety in production thematic map symbol packet
Include the unique ID of map symbol, sign pattern, thematic factor code and Map symbol definition.
Optimally, symbolic editing's module 2 is used to that safety in production thematic map symbol to be made and be edited, and compiles
Collecting content includes point symbol editor, line symbolic editing, face symbolic editing and animated character editor, the point symbol editor support pair
The shape of point symbol, color, icon, font characters, display text, size, display level range, weight, scaling, rotation
Angle, offset and animation effect parameter are configured, while being supported to point symbol stack combinations；The line symbolic editing supports
The color of line symbol, line width, sideline color, line style parameter are configured, while supporting the summary Treatment Options to line number evidence
Parameter setting；The face symbolic editing supports the fill color of opposite symbol, filling texture, filling point symbol, sideline parameter to carry out
Setting；The animated character editor support to the animation effect of animated character, the animation duration, animation intervals parameter into
Row setting.
Optimally, the symbol sharing module 3 supports that the attribute of modification includes designation, classification code, display ratio
Example ruler；The symbol grouping management is realized by drag operation；The snapshot, which generates, to be supported static symbol exporting as PNG
Symbol containing animation effect is exported as GIF picture format by picture format, symbol modify can automatically generate after preservation it is fast
According to；The resource, which is packaged, supports PNG picture, GIF picture, ZIP compressed format, SVG format etc., can be corresponding by distinct symbols
Different picture resources extract again merges into new material resource packet, in order to the data transmission and migration of symbol, is effectively reduced
The number of network request improves map symbol service performance.
Optimally, the data transmission module 4 includes map symbol data sink and map symbol data source,
The map symbol data sink and map symbol data source is the realization of server end Web Serverice,
JSON format or XML format are used when data are transmitted, the data transmission module (4) provides external map symbol translation interface.
Optimally, the memory module 5 is for stored symbols material and safety in production thematic map symbol, storage side
Formula includes Oracle, MySQL, SQLServer, PostgreSql database and zip compression packaging file, txt text text
Part, XML format file, JSON formatted file.
Optimally, the format converting module 6 is supported the map symbol format of this system exporting as SLD format, XML
Format GB/T 35631-2017, SuperMap map vector symbolic library swap file format 2.0 and other open format contents
The sign form of different GIS softwares, format abandon the part that do not support checkering when converting according to the actual situation.
Optimally, the loaded and displayed of 7 pairs of loaded and displayed module safety in production thematic map symbols includes single symbol
Number loaded and displayed, total factor symbol loaded and displayed, the module is by calling data transmission module 4 to obtain map symbol, to use
The thematic symbol of OpenLayers API encapsulation shows container, supports point symbol, line symbol, face symbol and with animation effect
The loaded and displayed of dynamic symbol.
A kind of safety in production thematic map symbol base construction method based on OpenLayers, which is characterized in that including with
Lower step:
Step 1: picture, font material needed for uploading point symbol by material management module 1 are to memory module 5, in browser
End by symbolic editing's module 2 and loaded and displayed module 7 to the shape of point symbol, color, icon, font characters, display text,
The parameters such as size, display level range, weight, scaling, rotation angle, offset and animation effect are configured, with structure
Safety in production thematic map symbol is built, then data transmission module 4 is called to transmit the definition for thematic map symbol of keeping the safety in production
The storage of safety in production thematic map symbol is carried out to memory module 5.
Step 2: picture, font material needed for uploading line symbol by material management module 1 are to memory module 5, clear
Look at device end by symbolic editing's module 2 and loaded and displayed module 7 to parameters such as the color of line symbol, line width, sideline color, line styles
It is configured, to construct safety in production thematic map symbol, then calls data transmission module 4 will safety in production thematic maps symbol
Number definition be transferred to memory module 5 carry out safety in production thematic map symbol storage.
Step 3: picture, font material needed for uploading face symbol by material management module 1 are to memory module 5, clear
Looking at device end passes through the fill color of 7 opposite symbol of symbolic editing's module 2 and loaded and displayed module, filling texture, filling point symbol, side
Line parameter is configured, and to construct safety in production thematic map symbol, then calls data transmission module 4 that will keep the safety in production thematic
The definition of map symbol is transferred to the storage that memory module 5 carries out safety in production thematic map symbol.
Step 4: browser end by symbolic editing's module 2 and loaded and displayed module 7 to the animation effect of animated character,
Animation duration, animation intervals parameter are configured, and to construct safety in production thematic map symbol, then call data
The definition for thematic map symbol of keeping the safety in production is transferred to memory module 5 and carries out safety in production thematic map symbol by transmission module 4
Storage.
Step 5: keep the safety in production in memory module 5 thematic map symbol and other lattice can be realized by format converting module 6
It is mutually converted between the map symbol of formula.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as protection of the invention
Range.
Claims (9)
1. a kind of safety in production thematic map symbol library building system based on OpenLayers, including material management module (1),
Symbolic editing's module (2), symbol sharing module (3), data transmission module (4), memory module (5), format converting module (6) and
Loaded and displayed module (7), which is characterized in that the material management module (1) will be on symbol material by data transmission module (4)
Reach memory module (5), symbolic editing's module (2) browser end to the symbol material stored in memory module (5) into
The building and modification of row safety in production thematic map symbol, safety in production special topic ground of the symbol sharing module (3) to building
Schematic symbol carries out attribute modification, Puncture, symbol grouping management, snapshot generation, resource packing or other management operations, then
It is transmitted to memory module (5) by data transmission module (4) to be stored, the loaded and displayed module (7) is to symbolic editing's mould
The safety in production thematic map symbol live effect of creation or modification is shown and to the peace stored in memory module (5) in block (2)
Full production thematic map symbol carries out loaded and displayed, and the format converting module (6) is special for safety in production in memory module (5)
It is mutually converted between topic map symbol and the map symbol of other formats.
2. a kind of safety in production thematic map symbol library based on OpenLayers according to claim 1 constructs system,
It is characterized by: the material management module (1) is used to that symbol material to be uploaded, edited and be managed, the material pipe
Managing the picture format that module (1) is supported includes PNG, SVG, GIF, JPG, BMP, and the font format of support includes TrueType
(.ttf), EOT(.eot), OpenType(.otf), WOFF(.woff) and SVG(.svg), realize to picture file, font text
Preview, path management, upload and the delete operation of part.
3. a kind of safety in production thematic map symbol library based on OpenLayers according to claim 2 constructs system,
It is characterized by: the symbol material includes the unique ID of picture, picture name, picture URL request address, icon size, master
Classification, the unique ID of font, font name and font URL request address are inscribed, the safety in production thematic map symbol includes ground
The unique ID of schematic symbol, sign pattern, thematic factor code and Map symbol definition.
4. a kind of safety in production thematic map symbol library based on OpenLayers according to claim 1 constructs system,
It is characterized by: symbolic editing's module (2) is used to that safety in production thematic map symbol to be made and be edited, edit
Content includes point symbol editor, line symbolic editing, face symbolic editing and animated character editor, and the point symbol editor supports to point
The shape of symbol, color, icon, font characters, display text, size, display level range, weight, scaling, rotation angle
Degree, offset and animation effect parameter are configured, while being supported to point symbol stack combinations；The line symbolic editing support pair
Color, line width, sideline color, the line style parameter of line symbol are configured, while supporting to join the summary Treatment Options of line number evidence
Number setting；The face symbolic editing supports the fill color of opposite symbol, filling texture, filling point symbol, sideline parameter to set
It sets；The animated character editor supports to carry out the animation effect of animated character, animation duration, animation intervals parameter
Setting.
5. a kind of safety in production thematic map symbol library based on OpenLayers according to claim 1 constructs system,
It is characterized by: the symbol sharing module (3) supports that the attribute of modification includes designation, classification code, display scale
Ruler；The symbol grouping management is realized by drag operation；The snapshot, which generates, supports to export as static symbol PNG figure
Symbol containing animation effect is exported as GIF picture format by piece format, symbol modify can automatically generate after preservation it is fast
According to；The resource, which is packaged, supports PNG picture, GIF picture, ZIP compressed format, SVG format etc., can be corresponding by distinct symbols
Different picture resources extract again merges into new material resource packet, in order to the data transmission and migration of symbol, is effectively reduced
The number of network request improves map symbol service performance.
6. a kind of safety in production thematic map symbol library based on OpenLayers according to claim 1 constructs system,
It is characterized by: the data transmission module (4) includes map symbol data sink and map symbol data source, institute
The map symbol data sink stated and the realization that map symbol data source is server end Web Serverice, number
JSON format or XML format are used when according to transmission, the data transmission module (4) provides external map symbol translation interface.
7. a kind of safety in production thematic map symbol library based on OpenLayers according to claim 1 constructs system,
It is characterized by: the memory module (5) is for stored symbols material and safety in production thematic map symbol, storage mode
Including Oracle, MySQL, SQLServer, PostgreSql database and zip compression packaging file, txt text file,
XML format file, JSON formatted file.
8. a kind of safety in production thematic map symbol library based on OpenLayers according to claim 1 constructs system,
It is characterized by: the format converting module (6) is supported the map symbol format of this system exporting as SLD format, XML lattice
Formula (GB/T 35631-2017), SuperMap map vector symbolic library swap file format 2.0 and other open format contents
The sign form of different GIS softwares, format abandon the part that do not support checkering when converting according to the actual situation.
9. a kind of safety in production thematic map symbol library based on OpenLayers according to claim 1 constructs system,
It is characterized by: the loaded and displayed module (7) includes single symbol to the loaded and displayed of safety in production thematic map symbol
Loaded and displayed, total factor symbol loaded and displayed, the module is by calling data transmission module (4) to obtain map symbol, to use
The thematic symbol of OpenLayers API encapsulation shows container, supports point symbol, line symbol, face symbol and with animation effect
The loaded and displayed of dynamic symbol.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102609517A (en) * | 2012-02-09 | 2012-07-25 | 武汉大学 | Method and system for online vector map comprehensive services |
| CN106201514A (en) * | 2016-07-11 | 2016-12-07 | 电子科技大学 | The structure of a kind of WebGIS Development Framework based on OpenLayers and using method |
| CN109710723A (en) * | 2018-12-28 | 2019-05-03 | 苏州百卓网络技术有限公司 | A kind of safety in production thematic map symbol library building system based on OpenLayers |
-
2019
- 2019-04-10 CN CN201910284119.9A patent/CN110096559A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102609517A (en) * | 2012-02-09 | 2012-07-25 | 武汉大学 | Method and system for online vector map comprehensive services |
| CN106201514A (en) * | 2016-07-11 | 2016-12-07 | 电子科技大学 | The structure of a kind of WebGIS Development Framework based on OpenLayers and using method |
| CN109710723A (en) * | 2018-12-28 | 2019-05-03 | 苏州百卓网络技术有限公司 | A kind of safety in production thematic map symbol library building system based on OpenLayers |
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Application publication date: 20190806 |