CN100388274C - Electron map manufacturing system and its method - Google Patents
Electron map manufacturing system and its method Download PDFInfo
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- CN100388274C CN100388274C CNB2003101198878A CN200310119887A CN100388274C CN 100388274 C CN100388274 C CN 100388274C CN B2003101198878 A CNB2003101198878 A CN B2003101198878A CN 200310119887 A CN200310119887 A CN 200310119887A CN 100388274 C CN100388274 C CN 100388274C
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Abstract
The present invention discloses a system and a method for making an electronic map. The method comprises the steps: respectively extracting all target regions focused by a user according to region information corresponding to geographical information, generating a scalar map corresponding to each target region, and storing the scalar map. When the user inquires information, the previously generated scalar map can be displayed so long as the user inputs an inquiry region. Thereby, the present invention shortens the latency time of the user and enhances the use efficiency of the electronic map.
Description
Technical field
The present invention relates to a kind of electronic cartography system and method thereof, be meant a kind of electronic cartography system and method that fast query is provided especially.
Background technology
Map is the model of space phenomenon, is the dwindling of abstract rather than real world of real world.It can show the everywhere details of survey region.Map series combines succinct information that map comprises and powerful visuality directly perceived thereof, makes map have out-and-out authority.
The method of producing of traditional analog map mainly is: exploration, and----------printing--the finished product map of setting type, this traditional fabrication means manpower and materials are wasteful, drafting period long, labour intensity is big and Map Information Volume output is few for master drawing for manual drawing for record data.Since 1960's, development of computer makes the enough digitized information representations of the people's energy world.The revolution of essence has taken place in the map making technology, and especially along with the development of GIS, the geography information visualization technique is gradually improved and is ripe, and electronic chart is progressively replacement traditional analog map.Electronic chart is with papery analog map vectorization digitizing, and with the map that digital form exists, it has, and cost of manufacture is low, information capacity is big, the holding time is long, cartographic accuracy is high, be easy to characteristics such as modification and renewal.Electronic chart has become the main means that geography information is expressed by following society, and it provides advanced reliable technique basis for storage, processing and the expression of geography information.
The processing mode of electronic chart is a backstage directed quantity chart database at present, after the user proposes query context, carry out computing on the backstage, again vector data is passed to user interface, when this processing mode user browses electronic chart, each inquiring user all will regenerate new map, the user waits for that the time of deal with data is long, not only caused temporal waste, the very long stand-by period also is that the user is insufferable, is an impediment to this, and the user has to abandon the use to electronic chart sometimes, continue to search the traditional analog map, make other advantage of electronic chart lose the space of putting to good use.How therefore the electronic chart that can provide fast query to show be provided, and to reduce the time that the user waits for, is an important topic of current electronic map research field.
Summary of the invention
In view of this, the present invention is for addressing the above problem a kind of electronic cartography system and the method thereof of proposing, fundamental purpose be to provide can fast query electronic chart, thereby reduce stand-by period of user, improve the service efficiency of electronic chart.
Institute thinks and achieves the above object, the invention provides a kind of electronic cartography system, zone according to the geography information correspondence generates a plurality of target scalar map blocks, make as long as the user input query zone, just can directly the scalar map that generates in advance be shown, so that user's fast query comprises: a geographic information database, in order to store a plurality of geography information; One regional database, it stores the zone of this geography information correspondence; One region parameter database, it stores the regional peak value that all should the zone; One purpose zone acquisition module, it was in order to should capture reference position and the final position of two zones as target scalar map arbitrarily in the zone at all; One peak value comparison module, it is in order to the size of the regional peak value of the All Ranges between this reference position and this final position relatively, and draws the outermost numerical value of all peak values; One regional computing module, it is in order to determine the rectangular dimension of this target scalar map block according to this outermost numerical value; One map is cut apart module, according to the target scalar map block of this rectangular dimension and display area size generation corresponding size and ratio; And a memory module, its this target scalar map block storage in order to obtaining.
The present invention and then a kind of electronic cartography method is provided, it is according to the zone of geography information correspondence, generate a plurality of target scalar map blocks, make as long as the user input query zone, just can directly the scalar map that generates in advance be shown, so that user's fast query, at first in map data base, capture a geography information, obtain the All Ranges and the regional peak value thereof of geography information correspondence simultaneously, arbitrarily in the corresponding All Ranges of acquisition two should the zone as the reference position and the final position of target scalar map block, the regional peak value of the All Ranges between reference position and the final position and draw the outermost numerical value of all peak values relatively then, determine the rectangular dimension of target scalar map block according to outermost numerical value, start mapping software, generate target scalar map block according to rectangular dimension and display area size at last with SDK function.
According to electronic cartography provided by the present invention and display packing, generating corresponding scalar map according to different geography information stores, when the user inquires about, can the scalar map be cut apart according to the reference position and the final position of user's input, fast purpose area map piece is shown, the present invention need not the backstage and generates vector map temporarily, but the storage of the scalar cartographic classification that will make in advance, thereby improved map inquiry speed, reduced user's stand-by period.
Relevant detailed content of the present invention and technology are described as follows with regard to conjunction with figs. now:
Description of drawings
Fig. 1 is the module rack composition of the electronic cartography system carried of the present invention;
Fig. 2 is the operation workflow figure of the electronic cartography method carried of the present invention;
Fig. 3 A-Fig. 3 C is the interface synoptic diagram of the embodiment of the invention.
Wherein, description of reference numerals is as follows:
110 geographic information databases
120 regional databases
130 region parameter databases
140 purposes zone acquisition module
150 peak value comparison modules
160 regional computing modules
170 maps are cut apart module
180 memory modules
Embodiment
The present invention is a kind of electronic cartography system and method thereof, the backstage map data base of user's region-of-interest is carried out automatic pick-up handle, and obtains the required map of user, and these are strivied for survival is the scalar map.When the user carries out query and search, directly provide map to show, thereby make the user obtain required map fast.
See also Fig. 1, this figure is the module rack composition of electronic cartography of the present invention system.As shown in the figure, comprising:
(1) geographic information database 110, and in order to store a plurality of geography information, geography information can be highway, railway, river etc.
(2) regional database 120, and it stores the zone of this geography information correspondence, just the All Ranges that jumps of this geography information.
(3) the region parameter database 130, and it stores the regional peak value that all should the zone.The zone peak value is the coordinate position of this zone boundary rectangle, comprises upward peak, following peak value, left peak value and right peak value.
(4) purpose zone acquisition module 140, it should capture reference position and the final position of two zones as target scalar map arbitrarily in the zone at all.
(5) the peak value comparison module 150, and it draws the outermost numerical value of all peak values in order to the size of the regional peak value of the All Ranges between this reference position and this final position relatively.
(6) regional computing module 160, it is in order to determine the rectangular dimension of this target scalar map block according to comparative result, promptly according to this rectangular dimension of outermost numerical evaluation of all peak values.
(7) map is cut apart module 170, according to the target scalar map block of this rectangular dimension and display area size generation corresponding size and ratio.Display area size can be the fixedly display size of user's setting.
(8) memory module 180, its this target scalar map block storage in order to obtaining.
Below, by Fig. 2 electronic cartography method of the present invention being described, this figure is the operation workflow figure of electronic cartography method of the present invention.At first in map data base, capture a geography information, obtain the All Ranges and the regional peak value (step 210) thereof of this geography information correspondence simultaneously.The zone peak value is the position of this zone boundary rectangle, comprises upward peak, following peak value, left peak value and right peak value.Then arbitrarily acquisition wherein two should the zone as the reference position and the final position (step 220) of target scalar map block, the regional peak value (step 230) that compares the All Ranges between reference position and the final position, determine the rectangular dimension (step 240) of this target scalar map block according to this comparative result, just, determine rectangular dimension according to the outermost numerical value of all peak values.Display area size according to rectangular dimension and setting generates this target scalar map block (step 250) at last.
Below, to make and to show that traffic map is an example, the present invention is described in detail.
System at first sets up geographic information database according to the geography information record, and as shown in Table 1, the field of geographic information database comprises: geography information label, geography information title, geographical information classification and geography information brief introduction.
Table one:
The geography information of present embodiment is each traffic route, and geography information is again corresponding to a plurality of area informations (being the regional city of traffic route process).Therefore geographic information database is set up related with the zone information data storehouse again.Wherein the data layout of regional database is shown in following table two:
Table two:
Record the corresponding regional peak value in each zone in the map data base simultaneously, all regional peak values are stored among the region parameter database.Shown in following table three, be the region parameter database format.
Table three:
The making of electronic chart of the present invention is respectively according to a plurality of target scalar of geographical information issuing map.Therefore need capture the geography information in this geographic information database successively, from geographic information database, extract " 209 national highway " road information, its geography information label is " 89 ", the city of process (i.e. zone) is followed successively by: the Huhehaote-Yuncheng-Sanmenxia Gorge-Shiyan-Shennongjia-bestow favour-western Hunan-Huaihua-Liuzhou-North Sea, the area information label is respectively in the corresponding zone information data storehouse: 010510-010410-011612-011701-01171709-01171302-011813-011 808-012005-01170827.Then these zones are being made up in twos, constituting the reference position and the final position in the purpose zone of user's concern respectively, making target scalar map block successively.When for example the scalar map block of " Huaihua " was arrived in making " Shiyan ", (area information label 011701) comprised upward peak, following peak value, left peak value and right peak value (top to the peak value in the city of Huaihua (area information label 011808) process in order to find out the road of " 89 " from the Shiyan from the geography information label in system, left, bottom right) is respectively: (2520,2580,2600,2600), (2600,2580,2640,2600), (2600,2480,2700,2650), (2700,2430,2780,2480), (2780,2410,2850,2480).Through comparing each peak value, the edge peak value that draws is (2520,2410,2850,2650), the rectangle size (2520 that is constituted according to the edge peak value again, 2410,2850,2650) and the display size (width:480 of fixing display interface, height:360, ratio is 480/360) calculate to determine the position (2510,2290,2870 of the segment that will capture, 2770) and size (width:480, height:360).System start-up photoShop then, SDK:SelectRectangle (the Top As Double that utilizes photoShop to provide, Left As Double, Bottom As Double, Right As Double), the position (2520 of Crop () and segment, 2410,2850,2650) and size automatically from the corresponding target scalar map block of map acquisition, generate scalar map (width:480, the height:360 of proper proportion and size, ratio is 480/360), it is stored as filename with 89_8_9.gif..Realize the making of these all purpose area maps of " 209 " national highway successively according to the method.Capture next geography information then and make corresponding scalar map.All complete until the geography information corresponding map of doing, its storage is formed a complete electronic chart.
See also Fig. 3 A～Fig. 3 C, be the user interface diagram of the embodiment of the invention.After selecting the Hunan Province in the map bibliography index of user in interface shown in Fig. 3 A, the map viewing area on right side shows Hunan Province's corresponding map according to user's selection.After the user had selected " 209 " national highway, the scalar map of system's acquisition geography information " 209 " national highway correspondence showed that interface shows shown in Fig. 3 B.When the user selects the purpose zone for from " Shiyan " to " Huaihua " respectively in " starting point " and " terminal point " menu, the file of the extraction document 89_8_9.gif. by name from memory module of system, and display it.Thereby reach the amplification demonstration to the map of user's interest region, interface shows shown in Fig. 3 C.
Electronic cartography method of the present invention also can be when user inquiring and generates temporarily, when the user imports the reference position of the electronic chart that will inquire about and end position, system shows the target scalar map block of making then according to user's input field fabrication target scalar map block in the viewing area.Utilize this method to show that electronic chart can reduce the shared storage space of a large amount of map blocks.
Though the present invention discloses as above with aforesaid preferred embodiment, so it is not in order to qualification the present invention, thus any those of ordinary skill in the art, without departing from the spirit and scope of the present invention, can do impartial variation and modification.
Claims (8)
1. electronic cartography system, its zone according to the geography information correspondence generates a plurality of target scalar map blocks, makes as long as the user input query zone just can directly show the scalar map that generates in advance, comprising:
One geographic information database is in order to store a plurality of geography information;
One regional database, it stores the zone of this geography information correspondence;
One region parameter database, it stores the regional peak value that all should the zone;
One purpose zone acquisition module, it was in order to should capture reference position and the final position of two zones as target scalar map arbitrarily in the zone at all;
One peak value comparison module, it is in order to the size of the regional peak value of the All Ranges between this reference position and this final position relatively, and draws the outermost numerical value of all peak values;
One regional computing module, it is in order to determine the rectangular dimension of this target scalar map block according to this outermost numerical value;
One map is cut apart module, according to the target scalar map block of this rectangular dimension and display area size generation corresponding size and ratio; And
One memory module, its this target scalar map block storage in order to obtaining.
2. electronic cartography as claimed in claim 1 system, wherein said geography information is a traffic route.
3. electronic cartography as claimed in claim 1 system, wherein said regional peak value is the position of this zone boundary rectangle, comprises upward peak, peak value, left peak value and right peak value down.
4. electronic cartography as claimed in claim 1 system, wherein said display area size are the fixed measures of setting for the user.
5. electronic cartography method, it generates a plurality of target scalar map blocks according to the zone of geography information correspondence, make as long as the user input query zone, just can directly the scalar map that generates in advance be shown, so that user's fast query comprises the steps:
In a map data base, capture a geography information, obtain the All Ranges and the regional peak value thereof of this geography information correspondence simultaneously;
In the corresponding All Ranges of acquisition two should the zone as the reference position and the final position of this target scalar map block;
Compare the regional peak value of the All Ranges between reference position and this final position, and draw the outermost numerical value of all peak values;
Determine the rectangular dimension of this target scalar map block according to this outermost numerical value; And
Generate this target scalar map block according to this rectangular dimension and display area size.
6. electronic cartography method as claimed in claim 5, wherein said geography information are traffic route.
7. electronic cartography method as claimed in claim 5, wherein said regional peak value is the position of this zone boundary rectangle, comprises upward peak, following peak value, left peak value and right peak value.
8. electronic cartography method as claimed in claim 5, wherein said display area size are the fixed measures of setting for the user.
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| CNB2003101198878A CN100388274C (en) | 2003-12-05 | 2003-12-05 | Electron map manufacturing system and its method |
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| CNB2003101198878A CN100388274C (en) | 2003-12-05 | 2003-12-05 | Electron map manufacturing system and its method |
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| CN100388274C true CN100388274C (en) | 2008-05-14 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101192219B (en) * | 2006-11-22 | 2011-02-02 | 致伸科技股份有限公司 | Electronic map display system using electronic map and the method |
| CN100423007C (en) * | 2007-07-03 | 2008-10-01 | 浙江大学 | Modeling approachused for trans-media digital city scenic area |
| JP2009107815A (en) * | 2007-10-31 | 2009-05-21 | Toshiba Elevator Co Ltd | Remote monitoring system of elevator |
| US20100169059A1 (en) * | 2009-02-13 | 2010-07-01 | Grant Thomas-Lepore | Layered Personalization |
| CN102054046B (en) * | 2011-01-04 | 2013-04-10 | 北京大学 | Multi-scale spatial relational database and query method thereof |
| KR101480721B1 (en) * | 2013-03-05 | 2015-01-09 | 주식회사 다비오 | User based map manufacturing apparatus |
| US11255678B2 (en) * | 2016-05-19 | 2022-02-22 | Microsoft Technology Licensing, Llc | Classifying entities in digital maps using discrete non-trace positioning data |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030059091A1 (en) * | 1996-06-19 | 2003-03-27 | Matsushita Electric Industrial Co., Ltd. | Road area extracting apparatus for extracting a road area from a block map, deformed map automatic generation system for generating a deformed map from road area data obtained by the road area extracting apparatus, map information providing system, geographical information providing system and geographical information describing method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030059091A1 (en) * | 1996-06-19 | 2003-03-27 | Matsushita Electric Industrial Co., Ltd. | Road area extracting apparatus for extracting a road area from a block map, deformed map automatic generation system for generating a deformed map from road area data obtained by the road area extracting apparatus, map information providing system, geographical information providing system and geographical information describing method |
Non-Patent Citations (2)
| Title |
|---|
| 地理空间索引技术研究. 陶志刚，赵敬道，谭建成.测绘学院学报，第19卷第1期. 2002 |
| 地理空间索引技术研究. 陶志刚，赵敬道，谭建成.测绘学院学报，第19卷第1期. 2002 * |
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