CN107369198A - A kind of more broken line method for drafting for ARCGIS Web maps - Google Patents
A kind of more broken line method for drafting for ARCGIS Web maps Download PDFInfo
- Publication number
- CN107369198A CN107369198A CN201710704300.1A CN201710704300A CN107369198A CN 107369198 A CN107369198 A CN 107369198A CN 201710704300 A CN201710704300 A CN 201710704300A CN 107369198 A CN107369198 A CN 107369198A
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- broken line
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/80—Creating or modifying a manually drawn or painted image using a manual input device, e.g. mouse, light pen, direction keys on keyboard
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
- G09B29/003—Maps
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Processing Or Creating Images (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The present invention relates to a kind of more broken line method for drafting for ARCGIS Web maps, belong to palegeology engineering information field.It is characterized in that line between mark point and mark point is generated by way of arbitrarily clicking on map or being manually entered coordinate, the point can be deleted by clicking on mark point, line segment and all figures added after this point with this for end points, so as to reach the purpose of editor's broken line.Broken line is generated by mark point again and removes line between mark point and mark point.The broken line figure being clicked is obtained by monitoring event, user decides whether to perform the operation for deleting the figure.Realize the online drafting of a plurality of broken line, editor and deletion.This method network geographic information system suitable for conveniently and efficiently drawing a plurality of broken line.
Description
Technical field：
The invention belongs to palegeology engineering information field, more particularly to a kind of more foldings for ARCGIS Web maps
Line method for drafting, suitable for conveniently and efficiently drawing a plurality of broken line network geographic information system.
Background technology：
Broken line (polyline) is one of main graphical drawn on ARCGIS Web maps.ARCGIS, which is provided, to be based on
JavaScript toolbar.activate (Draw.POLYLINE) is ordered for drawing broken line.The order can be by ground
Adopting consecutive click chemical reaction generates broken line on figure.But carrying out a plurality of broken line drafting using the order has following deficiency：
1. can only be by clicking on map increase point and line segment.
2. it can not cancel, if drawing error can only restart.
3. when there is multiple figures (graphic) on map, it is difficult to specific to remove a certain broken line.
4. in the case where knowing point coordinates, it is difficult to accurately drawn in the point.
Had important practical significance therefore, how to solve drawbacks described above.For above-mentioned deficiency, the present invention provides a kind of
, can be more convenient for more broken line method for drafting of ARCGIS Web maps, precisely and hommization carried out on Web maps it is a plurality of
Broken line is drawn.
The content of the invention：
In view of the shortcomings of the prior art, a kind of more broken line method for drafting for ARCGIS Web maps are invented.Pass through a little
Hit ARCGIS Web maps or be manually entered Coordinate generation broken line, while the point that can be added to maloperation cancels with line, it is real
Now accurately with hommization carry out broken line drafting.
A kind of more broken line method for drafting for ARCGIS Web maps, it invents as follows comprising content：
1. graphical pointv is simultaneously sequentially connected.
1) when mouse moves, the coordinate of current mouse point is shown.
2) when clicking on map, the coordinate of clicking point is obtained, or is manually entered coordinate, if existing mark point on map, with
Last mark point draws line segment with the coordinate and is added to map.
3) the Coordinate generation mark point in 2) is added to map.
2. change current polyline to draw.
1) when clicking mark point, position of this in map graph array is inquired about.
2) since map graph array end, delete the point, with the point for end points line segment and it is all the point it
The figure added afterwards.
3. generate broken line.
1) obtain successively and store dot pattern all in map graph array.
2) catalogue of first dot pattern in map graph array is obtained.
3) map graph array end starts Delete Shape, until first dot pattern is deleted.
4) broken line (POLYLINE) figure is generated with 1) the middle dot pattern obtained, and is added to map.
Broken line is specified 4. deleting.
1) when clicking broken line, prompt whether to delete the broken line, it is determined that then deleting the broken line.
Thus, the present invention realizes a kind of more broken line method for drafting for ARCGIS Web maps, and this method can pass through
Click on and delete specific broken line, can be clicked on by map and be manually entered coordinate graphical pointv and broken line, can drawn by clicking on
A part for point deletion broken line, realize the revocable drafting of broken line.
The present invention has advantages below：
1. the point of broken line can be determined by way of clicking on map or being manually entered coordinate, it is convenient and accurate to take into account.
2. after input point, the existing point-rendering line of firm basis, bandwagon effect directly perceived.
3. realizing revocation function, when broken line is drawn, that step for drawing the point, weight can be returned to by clicking on any mark point
The point and figure afterwards are newly drawn, greatly reduces workload.
Broken line is specified 4. easily deleting, more hommization, reduces the repeated work accidentally slipped up and brought.
5. be a little stored in broken line figure in the figure array of map, will not caused by computing or unloading error.
It 6. the JavaScript program of this method need not change original system code, can independently introduce, be easy to management with repairing
Change.
Brief description of the drawings：
Fig. 1 principle of the invention figures.
Fig. 2 main flows of the present invention.
Fig. 3 sub-processes --- draw mark point.
Fig. 4 sub-processes --- generation broken line.
Fig. 5 sub-processes --- revocation mark point and pattern deleting.
Fig. 6 sub-processes --- obtain clicking point catalogue.
Embodiment：
The present invention is a kind of more broken line method for drafting for ARCGIS Web maps.The present invention is entered below in conjunction with the accompanying drawings
Row further illustrates.
The present invention is a kind of more broken line method for drafting for ARCGIS Web maps, main to include drawing simultaneously tie point,
Change current polyline to draw, generate broken line, delete and specify broken line.Specific implementation step is as follows：
1. draw simultaneously tie point
Monitor map and click on event, forbid broken line to click on.When clicking on map, monitor event capture and clicked on to this map
Event evt, the coordinate of clicking point is obtained by evt.mapPoint, or is manually entered coordinate；If existing mark point on map, with
Last mark point draws line with the coordinate；Mark point is drawn with the coordinate and is added to map (Fig. 3).
2. change current polyline to draw
The mark point on map is clicked on, represents to cancel the figure drawn after the point and the point.Pass through
Map.graphics.graphics obtains all figure arrays on current map.Traversing graph figurate number group, will click on coordinate minute a little
Do not made comparisons with the dot pattern in figure array, find clicking point at the position of figure array (Fig. 6).With
Map.graphics.remove () is ordered, and deletes the point, all figures added afterwards for the line segment of end points and the point with this
Shape (Fig. 5).
3. generate broken line
Cease listening for map and click on event, monitor broken line and click on.Traversing graph figurate number group, obtain successively and store map graph
All dot patterns in array.Obtain the catalogue of first dot pattern in map graph array.Deletion is opened from first dot pattern
All figures to begin.Broken line (POLYLINE) figure is generated using dot pattern all in map graph array, is added to map.
So far the drafting (Fig. 4) of a broken line is completed.
Broken line is specified 4. deleting
When broken line is clicked, event capture is monitored to this click event evt.Ask the user whether to delete the folding
Line.When user determines to perform deletion action, the broken line figure being clicked is obtained by evt.graphic, used
Map.graphics.remove (evt.graphic) deletes the broken line figure.
5. repeating 1-4, a plurality of broken line is drawn.
By above-mentioned, the present invention realizes the voidable a plurality of broken line of drafting on ARCGIS Web maps.The present invention can pass through
Click on and delete specific broken line, can be clicked on by map and be manually entered coordinate graphical pointv and broken line, can drawn by clicking on
A part for point deletion broken line, realize the revocable drafting of broken line.
Claims (5)
- A kind of 1. more broken line method for drafting for ARCGIS Web maps, it is characterised in that：In the net based on ARCGIS Web In network map application, simultaneously tie point is drawn by way of click or input coordinate；Current polyline is changed by clicking point to draw； All dot patterns are obtained, generate broken line；Delete and specify broken line；Above step is repeated, draws a plurality of broken line.
- 2. a kind of described more broken line method for drafting for ARCGIS Web maps are required according to right 1, wherein, described paints Make and the implementation of tie point is：Monitor map and click on event, forbid broken line to click on；When clicking on map, monitoring event is caught Grasp this map and click on event evt, the coordinate of clicking point is obtained by evt.mapPoint, or be manually entered coordinate；If ground Existing mark point on figure, line is drawn with last mark point and the coordinate；Mark point is drawn with the coordinate and is added to map.
- 3. a kind of described more broken line method for drafting for ARCGIS Web maps are required according to right 1, wherein, described repaiies Changing the implementation that current polyline is drawn is：The mark point on map is clicked on, expression is drawn after cancelling the point and the point Figure；Obtain and all figure arrays and traveled through on current map, will be clicked the coordinate of mark point respectively with figure array Dot pattern make comparisons, find position of the clicking point in figure array；Order, delete with map.graphics.remove () Except the point, with this between the mark point of end points line and all figures added after this point.
- 4. a kind of described more broken line method for drafting for ARCGIS Web maps are required according to right 1, wherein, described life Implementation into broken line is：The figure array of map is traveled through, obtains all dot patterns successively, is obtained in map graph array The catalogue of first dot pattern, delete all figures since first dot pattern；Using all in map graph array Dot pattern generates broken line figure, is added to map, completes the drafting of a broken line.
- 5. a kind of described more broken line method for drafting for ARCGIS Web maps are required according to right 1, wherein, described deletes Except the implementation of specified broken line is：When broken line is clicked, event capture is monitored to this click event evt, inquires user Whether the broken line is deleted, when user determines to perform deletion action, the line chart being clicked is obtained by evt.graphic Shape, the broken line figure is deleted using map.graphics.remove (evt.graphic).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710704300.1A CN107369198A (en) | 2017-08-05 | 2017-08-05 | A kind of more broken line method for drafting for ARCGIS Web maps |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710704300.1A CN107369198A (en) | 2017-08-05 | 2017-08-05 | A kind of more broken line method for drafting for ARCGIS Web maps |
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| CN107369198A true CN107369198A (en) | 2017-11-21 |
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| CN201710704300.1A Pending CN107369198A (en) | 2017-08-05 | 2017-08-05 | A kind of more broken line method for drafting for ARCGIS Web maps |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109389656A (en) * | 2018-10-23 | 2019-02-26 | 泰华智慧产业集团股份有限公司 | The method and system of drawing area on the map of mobile terminal |
| CN110415315A (en) * | 2019-06-27 | 2019-11-05 | 五八有限公司 | Touch method, apparatus, terminal and the storage medium in map making region |
| CN113806830A (en) * | 2021-09-26 | 2021-12-17 | 桂林电子科技大学 | Method for drawing GeoJSON data of indoor map based on WEB map |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109389656A (en) * | 2018-10-23 | 2019-02-26 | 泰华智慧产业集团股份有限公司 | The method and system of drawing area on the map of mobile terminal |
| CN110415315A (en) * | 2019-06-27 | 2019-11-05 | 五八有限公司 | Touch method, apparatus, terminal and the storage medium in map making region |
| CN110415315B (en) * | 2019-06-27 | 2023-12-26 | 五八有限公司 | Method, device, terminal and storage medium for touch drawing map area |
| CN113806830A (en) * | 2021-09-26 | 2021-12-17 | 桂林电子科技大学 | Method for drawing GeoJSON data of indoor map based on WEB map |
| CN113806830B (en) * | 2021-09-26 | 2023-05-16 | 桂林电子科技大学 | Method for drawing indoor map GeoJSON data based on WEB map |
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