CN106409128A - Automatic processing method for essential factors of remote-sensing image railway thematic map - Google Patents
Automatic processing method for essential factors of remote-sensing image railway thematic map Download PDFInfo
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- CN106409128A CN106409128A CN201610705562.5A CN201610705562A CN106409128A CN 106409128 A CN106409128 A CN 106409128A CN 201610705562 A CN201610705562 A CN 201610705562A CN 106409128 A CN106409128 A CN 106409128A
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- G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
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Abstract
The invention discloses an automatic processing method for essential factors of a remote-sensing image railway thematic map. The method comprises technical steps that a base map of a remote sensing image is processed automatically, and aberration and color cast of batch of remote sensing image data are processed automatically; a route mileage is drafted automatically, and mileage marks and characters are drafted automatically by being perpendicular to a path; bridge and tunnel symbols are drafted automatically according to a foreground color; entrances and exits of the tunnels are drafted automatically; a station symbol is drafted automatically, and the length of a station mark and orientations of platforms are determined according to positions specified by a user; an inclined line filling mode is customized according to specific modes and angles; and the essential factors of the thematic map are integrated by adjusting the data topological relation of the essential factors of the thematic maps according to a map integration principle and integrating the data according to a file management mode.
Description
Technical field
The present invention relates to thematic charting technology, more particularly to remote sensing image data automatically process and scheme interior key element automatically painting
Method processed.
Background technology
The continuous intensification built with Chinese Railway, thematic maps is increasingly widely used in the complete of Environment in Railway Engineering Construction
Life cycle.In remote sensing image railway thematic maps, the railway thematic factor of broad sense includes：Remote sensing image base map, rail track are walked
To line position, mileage, station, bridge, tunnel and the control selector affecting line alignment.
Concrete manifestation form in map for these thematic factor is base map, point, line, surface, word etc..Due to most of
Figure drawing platform is not provided that the automatic drafting of above thematic factor, and thematic information does not go out according to certain certain rule in figure
Existing, therefore can not draw in batches.Therefore current technology means are mainly manual drawing, are often to improve efficiency in drawing course
By the way of transferring legend storehouse, but the graphical sysmbol shape of this method call, angle, color are fixed value, and the later stage compiles
Collect work huge, be unfavorable for the raising of drawing efficiency.
Content of the invention
For problem present in existing thematic charting method, the present invention proposes a kind of remote sensing image railway thematic maps will
Plain automatic processing method, it is intended that pressing Image Processing parameter or the template that designer proposes, carries out color to remote sensing image
Difference, the automatic batch of colour cast aspect are processed；And carry out figure according to the good point position requirement of designed in advance, pattern, size, color
Automatic drafting, the figure achievement of drafting has editability and the reusability of height, thus effectively improving thematic charting
Operating efficiency.
A kind of remote sensing image railway thematic maps key element automatic processing method according to the present invention, technical step includes：Distant
Sense image map automatically processes, and automatically draws circuit mileage, automatically draws bridge, tunnelled symbol, automatically draws tunnel gateway,
Automatically draw station symbol, customization oblique line fill pattern, thematic maps key element integrated.
S1, remote sensing image base map automatically process
For the feature of remote sensing image, remote sensing image terrain surface specifications data bank is chosen the batch processing template specified, right
The aberration that batch remote sensing image exists and colour cast are automatically processed.Template data set covers LandSat_TM data, SPOT number
Defend according to, the multispectral data such as ALOS data, QuickBird data, DigitalGlobe data, DMC data and network share
Star tile data.
S2, automatically drafting circuit mileage
Automatically process on the remote sensing image base map performance basis that step obtains in S1 remote sensing image base map, select rail track
Path, according to 5 kilometers, 10 kilometers, 20 kilometers, 50 kilometers of four kinds of normal spaces, on the basis of the broken line that path node is constituted, presses
Perpendicular to the pattern in path, automatically draw mileage mark and mileage word, mark and mileage are full vector pattern.
S3, automatically drafting bridge, tunnelled symbol
It is the center of circle by first point specifying, draw bridge Warning Mark circle, 25 millimeters of diameter, be three by the second point specified
The summit of angular Warning Mark, by the angle automatic decision symbol plotting type of line segments and the horizontal direction of 2 points of formation, automatically
Draw instruction triangle, retouch side by four pixels after merging above shape and obtain full vector bridge symbol, retouching side color is foreground；
Centered on first point specifying, draw tunnel Warning Mark rectangle 12*30 millimeter, indicate for triangle by the second point specified
The summit of mark, similar to bridge drawing rule, automatically draw instruction triangle, retouch by four pixels after merging rectangle and triangle
While obtaining full vector tunnelled symbol, retouching side color is foreground.
S4, automatically drafting tunnel gateway
According to foreground color, according to the input distance of point-to-point transmission and its angle automatic decision specification with circuit, and automatically
Draw tunnel gateway, by 5 millimeters, 8 millimeters of two kinds of standards automatically draw tunnel gateway symbol.Sentenced according to the order of input point
Disconnected drafting direction, draws for tunnel left-hand from top to bottom, draws for dextrad from bottom to top.
S5, automatically drafting station symbol
According to inputting first point determines the center of circle of station symbol circle symbol；Station center is determined according to the second point of input
Position, first point of length with the distance between second point determination station symbol；The thirdly instruction station platform direction of input.
The color of drafting symbol is consistent with foreground.
S6, customization oblique line fill pattern
Draw two parallel lines, live width and distance between centers of tracks are filling line style and filling distance between centers of tracks, are rotated on request,
Angle is the anglec of rotation of filling line；Search for image repetitive by the eight neighborhood of image：Principle is to ensure that in figure inside with side
Image-element congruence；Cutting and define filling pattern, completes to customize oblique line fill pattern.
S7, thematic maps key element integrated
Thematic maps key element is carried out with data topology relation adjustment and according to file management mould by cartographic generaliztion principle
Formula, is named by standard and classifies to figure layer collecting.
A kind of remote sensing image railway thematic maps key element automatic processing method of the present invention, can automatically process high-volume distant
The aberration of sense image data and colour cast, draw railway thematic maps key element automatically.Make editor's work of thematic information in drawing course
It is greatly reduced as amount, effectively improve drawing efficiency and imaging quality.
Brief description
Fig. 1, a kind of flow chart of remote sensing image railway thematic maps key element automatic processing method.
In figure description of symbols：
S1, remote sensing image base map automatically process
S2, automatically drafting circuit mileage
S3, automatically drafting bridge, tunnelled symbol
S4, automatically drafting tunnel gateway
S5, automatically drafting station symbol
S6, customization oblique line fill pattern
S7, map elements integrated
Specific embodiment
A kind of remote sensing image railway thematic maps key element automatic processing method according to the present invention, technical step includes：Distant
Sense image map automatically processes (S1), automatically draws circuit mileage (S2), automatically draws bridge, tunnelled symbol (S3), automatically paint
Tunnel processed gateway (S4), automatically draws station symbol (S5), customization oblique line fill pattern (S6), thematic maps key element integrated
(S7).
S1, remote sensing image base map automatically process
For the feature of remote sensing image, remote sensing image terrain surface specifications data bank is chosen the batch processing template specified, right
The aberration that batch remote sensing image exists and colour cast are automatically processed.The QuickBird of such as certain 0.61 meter of resolution ratio is multispectral
Data, during shooting, meteorological condition is not good, and color is partially blue and brightness of image is not enough.Remote sensing image terrain surface specifications data set selects
Take QuickBird data template, for the particular problem fine-tuning template of the quality of image, using single channel, hybrid channel curve, choosing
Take the means such as Color Channel that the aberration of batch QuickBird image data and colour cast are automatically processed.
S2, automatically drafting circuit mileage
Draw designed lines path on the remote sensing image base map that S1 handles well, select this path, be spaced according to 5 kilometers
(with mapping scale for 1：As a example 5000), on the basis of the broken line that path node is constituted, by the pattern perpendicular to path, automatically
Mark mileage mark and mileage word, mileage mark character "-" represents.
S3, automatically drafting bridge, tunnelled symbol
Draw bridge and tunnelled symbol by following principle：Symbol does not cover settlement place annotation, important control in figure as far as possible
Information, is not covered mutually with adjacent thematic symbol.
First point specifying is the center of circle, draws bridge Warning Mark circle, 25 millimeters of diameter；It is triangle by the second point specified
The summit of shape Warning Mark, calculates the angle of line segments and the horizontal direction of 2 points of formation, when angle 90 degree and 180 degree between when
Using first via paint type, adopt second paint type when between angle is in 180 degree to 270 degree, when angle is at 270 degree
The third paint type is adopted during between 360 degree；Merge circle and retouch side with triangle Warning Mark by four pixels and foreground
Obtain full vector bridge symbol.
Centered on first point specifying, draw tunnel Warning Mark rectangle 12*30 millimeter, be three by the second point specified
The summit of angular Warning Mark, the line segment of 2 points of formation and the angle of horizontal direction, adopt when angle is between 15 degree to 165 degree
With first type draw, when angle is between 165 degree to 195 degree adopt second type drafting, when angle at 195 degree extremely
The third type is adopted to draw when between 345 degree, when angle adopts the 4th type to draw when other are interval；Merge rectangle with
Retouch side by four pixels and foreground after triangle Warning Mark and obtain full vector tunnelled symbol.
S4, automatically drafting tunnel gateway
According to foreground, automatically draw tunnel gateway symbol by 5 millimeters of standards：Order according to input point judges drafting side
To, that is, from top to bottom, it is in draw for tunnel left-hand when 90 degree with horizontal direction angle, formation tunnel portal；From bottom to top, with water
When flat angular separation is in 270 degree, tunnel is drawn for dextrad, forms tunnel exit.Three sections of line ratios of symbol are 1：2：1, angle two-by-two
It is 135 degree.
S5, automatically drafting station symbol
According to inputting first point determines the center of circle of station symbol circle symbol；Station center is determined according to the second point of input
Position, first point of length with the distance between second point determination station symbol；The thirdly instruction station platform direction of input.
The color of drafting symbol is consistent with foreground.Automatically draw station symbol to carry out as follows：
1. read present figure foreground.
2. input first point, determine station circle marker present position, cylindrical according to 10 millimeters of drafting stations of diameter, paint
Color processed is depending on foreground, then presses 9.5 millimeters of drafting white station inner circles of diameter, forms the outline of circle marker.
3. according to 10 millimeters of overall diameter, 6 millimeters of interior diameter, that is, thickness is 4 millimeters of drafting station semi-circulars, color and prospect
Color is identical.
4. input second point, determine the length of station symbol cathetus section by first point of distance and between second point, directly
0.5 millimeter of line segment live width, color adopts foreground.
5. merge above symbol, complete the drafting of station symbol.
S6, customization oblique line fill pattern
Read present figure foreground.Draw straight line, then parallel lines are obtained using copy command duplication, live width is 5
Pixel, distance between centers of tracks is 35 pixels, and above parameter is filling line style and filling distance between centers of tracks, by 40 degree of angles, parallel lines is revolved
Turn；By the eight neighborhood search pixel fills unit of image it is ensured that with other inner side image-element congruence in figure, cutting and defining is filled out
Fill pattern, complete to customize oblique line fill pattern.
S7 thematic maps key element integrated
Thematic maps key element is carried out with data topology relation adjustment and according to file management mould by cartographic generaliztion principle
Formula, is named by standard and classifies to figure layer collecting.Thematic information figure layer collection includes：Line position, mileage, station, bridge, tunnel
Road, Di Kuang circle, protection zone, planning region.
Claims (7)
1. a kind of remote sensing image railway thematic maps key element automatic processing method is it is characterised in that technical step includes：Remote sensing shadow
As base map automatically processes (S1), automatically draw circuit mileage (S2), automatically draw bridge, tunnelled symbol (S3), automatically draw tunnel
Road gateway (S4), automatically draws station symbol (S5), customization oblique line fill pattern (S6), thematic maps key element integrated
(S7)；
Described remote sensing image base map automatically processes (S1)
For the feature of remote sensing image, remote sensing image terrain surface specifications data bank is chosen the batch processing template specified, to batch
The aberration that remote sensing image exists and colour cast are automatically processed；
Described automatic drafting circuit mileage (S2)
Automatically process on the remote sensing image base map performance basis that step obtains in S1 remote sensing image base map, select rail track road
Footpath, on the basis of the broken line that path node is constituted；
Described automatic drafting bridge, tunnelled symbol (S3)
It is the center of circle by first point specifying, draw bridge Warning Mark circle, 25 millimeters of diameter, be triangle by the second point specified
The summit of Warning Mark, by line segment and the angle automatic decision symbol plotting type of horizontal direction of 2 points of formation, draws automatically
Instruction triangle, retouches side by four pixels after merging above shape and obtains full vector bridge symbol, and retouching side color is foreground；By finger
Centered on fixed first point, draw tunnel Warning Mark rectangle 12*30 millimeter, be triangle Warning Mark by the second point specified
Summit, similar to bridge drawing rule, automatically draw instruction triangle, retouch side by four pixels after merging rectangle and triangle and obtain
To full vector tunnelled symbol, retouching side color is foreground；
Described automatic drafting tunnel gateway (S4)
According to foreground color, according to the input distance of point-to-point transmission and its angle automatic decision specification with circuit, and automatically draw
Tunnel gateway；By 5 millimeters, 8 millimeters of two kinds of specifications draftings；
Described automatic drafting station symbol (S5)
According to inputting first point determines the center of circle of station symbol circle symbol；Second point according to input determines station centre bit
Put, first point of length with the distance between second point determination station symbol；The thirdly instruction station platform direction of input；Paint
The color of symbol processed is consistent with foreground；
Described customization oblique line fill pattern (S6)
Draw two parallel lines, live width and distance between centers of tracks are filling line style and filling distance between centers of tracks, are rotated on request, angle
The anglec of rotation for filling line；Find image repetitive, cutting and define filling pattern, complete to customize oblique line fill mould
Formula；
Integrated (S7) of described thematic maps key element
By cartographic generaliztion principle, thematic maps key element is carried out with data topology relation adjustment and carry out according to document management mode
Data integration.
2. as claimed in claim 1 a kind of remote sensing image railway thematic maps key element automatic processing method it is characterised in that：Institute
The remote sensing image base map stated automatically process (S1) step employing template data set cover LandSat_TM data, spot data,
The multispectral datas such as ALOS data, QuickBird data, DigitalGlobe data, DMC data and network share satellite watt
Sheet data.
3. as claimed in claim 1 a kind of remote sensing image railway thematic maps key element automatic processing method it is characterised in that：Institute
The automatic drafting circuit mileage of automatic drafting circuit mileage (S2) step stated is according to 5 kilometers, 10 kilometers, 20 kilometers, 50 public affairs
In the interval automatic marking mileage of four kinds of standards and attached mark, mark and mileage are full vector pattern.
4. as claimed in claim 1 a kind of remote sensing image railway thematic maps key element automatic processing method it is characterised in that：Institute
The automatic drafting bridge that the automatic drafting bridge stated, tunnelled symbol (S3) step are mentioned, tunnelled symbol refer to the offline road of Dingyuan
Put and occupy the point on circuit, by this 2 points of angles coming between slope calculations and automatic decision and horizontal line, determine that symbol is painted
Direction processed and Warning Mark length, the bridge finally completed and tunnelled symbol are full vector form, have complete editable
Characteristic.
5. as claimed in claim 1 a kind of remote sensing image railway thematic maps key element automatic processing method it is characterised in that：Institute
The tunnel gateway symbol that automatic drafting tunnel gateway (S4) step stated is drawn is that the order according to input point judges to draw
Direction, draws for tunnel left-hand from top to bottom, draws for dextrad from bottom to top.
6. as claimed in claim 1 a kind of remote sensing image railway thematic maps key element automatic processing method it is characterised in that：Institute
What customization oblique line fill pattern (S6) step stated was mentioned finds image repetitive is to repeat picture by the eight neighborhood search of image
Plain fills unit is it is ensured that other inner side image-element is congruent together in figure.
7. as claimed in claim 1 a kind of remote sensing image railway thematic maps key element automatic processing method it is characterised in that：Institute
What integrated (S7) step of the thematic maps key element stated was mentioned carries out data integration according to document management mode, is with reference to file pipe
Reason pattern, is named by standard and classifies to figure layer collecting.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112348873A (en) * | 2020-11-06 | 2021-02-09 | 江南造船(集团)有限责任公司 | Method, system, medium and device for marking three-dimensional size of ship pipe section model |
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| CN101887592A (en) * | 2010-07-30 | 2010-11-17 | 中国测绘科学研究院 | Drawing method for vector graphic map symbols |
| CN103093484A (en) * | 2013-01-05 | 2013-05-08 | 武汉中地数码科技有限公司 | Integrated batch drawing method of remote-sensing image and vector data |
| CN103345769A (en) * | 2013-07-17 | 2013-10-09 | 铁道第三勘察设计院集团有限公司 | Full-path remote-sensing image thematic charting method |
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| JP3788466B2 (en) * | 2004-04-12 | 2006-06-21 | セイコーエプソン株式会社 | Diagram creation apparatus and diagram creation method |
| CN101887592A (en) * | 2010-07-30 | 2010-11-17 | 中国测绘科学研究院 | Drawing method for vector graphic map symbols |
| CN103093484A (en) * | 2013-01-05 | 2013-05-08 | 武汉中地数码科技有限公司 | Integrated batch drawing method of remote-sensing image and vector data |
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| CN112348873A (en) * | 2020-11-06 | 2021-02-09 | 江南造船(集团)有限责任公司 | Method, system, medium and device for marking three-dimensional size of ship pipe section model |
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