CN106409128B - A kind of remote sensing image railway thematic maps element automatic processing method - Google Patents
A kind of remote sensing image railway thematic maps element automatic processing method Download PDFInfo
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- CN106409128B CN106409128B CN201610705562.5A CN201610705562A CN106409128B CN 106409128 B CN106409128 B CN 106409128B CN 201610705562 A CN201610705562 A CN 201610705562A CN 106409128 B CN106409128 B CN 106409128B
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- G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
- G09B29/003—Maps
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Abstract
The invention discloses a kind of remote sensing image railway thematic maps element automatic processing method, technical step includes：Remote sensing image base map automatically processes, and carries out color difference to batch remote sensing image data and colour cast automatically processes；It is automatic to draw route mileage, mileage mark and mileage text are drawn automatically by the mode perpendicular to path；It is automatic to draw bridge, tunnelled symbol, the automatic drafting of bridge, tunnelled symbol is carried out by foreground；It is automatic to draw tunnel entrance；It is automatic to draw station symbol, length, the platform direction of station mark are judged by the position that user specifies, it is automatic to draw station symbol；Oblique line fill pattern is customized, by designated mode, angle, customizes pattern the fill style；Thematic maps element integrates, and carries out the adjustment of data topology relationship to thematic maps element by cartographic generaliztion principle, and carry out data integration according to document management mode.
Description
Technical field
The present invention relates to thematic charting technologies, automatically process more particularly to remote sensing image data and scheme interior element and draw automatically
Method processed.
Background technique
With the continuous heating that Chinese Railway is built, thematic maps is more and more widely used in the complete of Environment in Railway Engineering Construction
Life cycle.The railway thematic factor of broad sense includes in remote sensing image railway thematic maps：Remote sensing image base map, rail track are walked
To line position, mileage, station, bridge, tunnel and the control selector for influencing line alignment.
Specific manifestation form of these thematic factors in map is base map, point, line, surface, text etc..Due to most ofly
Figure drawing platform cannot provide the automatic drafting of the above thematic factor, and thematic information does not go out in figure according to certain certain rule
It is existing, therefore cannot draw in batches.Therefore current technology means are mainly manual drawing, are to improve efficiency often in drawing course
By the way of transferring legend library, but graphical sysmbol shape, angle, the color of this method call are fixed value, and the later period compiles
It is huge to collect work, is unfavorable for the raising of drawing efficiency.
Summary of the invention
The problem of for existing thematic charting method, the present invention propose that a kind of remote sensing image railway thematic maps is wanted
Plain automatic processing method, it is intended that carrying out color to remote sensing image by the Image Processing parameter or template of designer's proposition
Automatic batch processing in terms of difference, colour cast；And figure is carried out according to designed point requirement in advance, pattern, size, color
Automatic drafting, the figure achievement of drafting has the editability and reusability of height, to effectively improve thematic charting
Working efficiency.
A kind of remote sensing image railway thematic maps element automatic processing method of the present invention, technical step include：It is distant
Sense image map automatically processes (S1), it is automatic to draw route mileage (S2), bridge, tunnelled symbol (S are drawn automatically3), it is automatic to draw
Tunnel entrance (S4), it is automatic to draw station symbol (S5), customization oblique line fill pattern (S6), thematic maps element integrates
(S7)。
(S1) remote sensing image base map automatically processes
For the feature of remote sensing image, specified batch processing template is chosen in remote sensing image terrain surface specifications data bank, it is right
Color difference existing for batch remote sensing image and colour cast are automatically processed.Template data set covers following data：LandSat_TM number
According to, spot data, ALOS data, QuickBird data, DigitalGlobe data, DMC data and network share satellite watt
Sheet data.
(S2) route mileage is drawn automatically
It is saved according to 5 kilometers, 10 kilometers, 20 kilometers, 50 kilometers of four kinds of normal spaces with path in selection rail track path
On the basis of the broken line that point is constituted, automatic to draw mileage mark and mileage text by the mode perpendicular to path, mark and mileage are
Full vector mode.
(S3) bridge, tunnelled symbol are drawn automatically
It specifies the point far from route and occupy the point on route, slope is calculated by this two o'clock and judge automatically and level
Angle between line determines symbol plotting direction and Warning Mark length.It is the center of circle by specified first point, draws bridge indicateing arm
Will circle, 25 millimeters of diameter, be the vertex of triangle Warning Mark, the line segment formed by two o'clock and level side by specified second point
To angle judge automatically symbol plotting type, it is automatic to draw instruction triangle, merge and retouch side by four pixels after the above shape and obtain
To full vector bridge symbol, retouching side color is foreground；Centered on specified first point, tunnel Warning Mark rectangle is drawn
12*30 millimeters, be the vertex of triangle Warning Mark by specified second point, and similar to bridge drawing rule, automatic draw refers to
Show triangle, retouch side by four pixels after merging rectangle and triangle and obtain full vector tunnelled symbol, retouching side color is foreground.Most
The bridge and tunnelled symbol completed eventually are full vector format, have complete editable characteristic.
(S4) tunnel entrance is drawn automatically
According to foreground color, specification is judged automatically according to the distance of input point-to-point transmission and its with the angle of route, and automatic
Tunnel entrance is drawn, draws tunnel entrance symbol automatically by 5 millimeters, 8 millimeters of two kinds of standards.Sentenced according to the sequence of input point
It is disconnected to draw direction, i.e., it is drawn from top to bottom for tunnel left-hand, is from bottom to top dextrad drafting.
(S5) station symbol is drawn automatically
The center of circle of station symbol circle symbol is determined according to the first of input point；Station center is determined according to the second point of input
Position, the distance between first point and second point determine the length of 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
Two parallel lines are drawn, line width and line spacing are filling line style and filling line spacing, it is rotated as required,
Angle is the rotation angle of filling line；Image repetitive unit is searched for by the eight neighborhood of image：Principle is in guarantee figure with other inside
Image-element congruence；Filling pattern is cut and defined, customization oblique line fill pattern is completed.
(S7) thematic maps element it is integrated
The adjustment of data topology relationship is carried out to thematic maps element by cartographic generaliztion principle and according to file management mould
Formula, figure layer is named by standard and is classified collects.
It is distant can to automatically process high-volume to a kind of remote sensing image railway thematic maps element automatic processing method of the invention
Feel the color difference and colour cast of image data, it is automatic to draw railway thematic maps element.Make editor's work of thematic information in drawing course
It is greatly reduced as amount, it is effective to improve drawing efficiency and imaging quality.
Detailed description of the invention
A kind of flow chart of remote sensing image railway thematic maps element automatic processing method of Fig. 1.
Description of symbols in figure：
S1, remote sensing image base map automatically processes
S2, automatic draw route mileage
S3, automatically draw bridge, tunnelled symbol
S4, automatic draw tunnel entrance
S5, automatic draw station symbol
S6, customization oblique line fill pattern
S7, map elements it is integrated
Specific embodiment
A kind of remote sensing image railway thematic maps element automatic processing method of the present invention, technical step include：It is distant
Sense image map automatically processes (S1), automatic to draw route mileage (S2), draws bridge, tunnelled symbol (S3) automatically, draws automatically
Tunnel entrance (S4) processed, automatic to draw station symbol (S5), customization oblique line fill pattern (S6), thematic maps element integrates
(S7)。。
S1, remote sensing image base map automatically processes
For the feature of remote sensing image, specified batch processing template is chosen in remote sensing image terrain surface specifications data bank, it is right
Color difference existing for batch remote sensing image and colour cast are automatically processed.Such as the QuickBird of certain 0.61 meter of resolution ratio is multispectral
Data, meteorological condition is bad when shooting, and color is partially blue and brightness of image is insufficient.It is selected in remote sensing image terrain surface specifications data set
QuickBird data template is taken, for the particular problem fine-tuning template of the quality of image, uses single channel, hybrid channel curve, choosing
The means such as Color Channel are taken to automatically process the color difference and colour cast of batch QuickBird image data.
S2, automatic draw route mileage
In S1Designed lines path is drawn on the remote sensing image base map handled well, selects the path, is spaced according to 5 kilometers
(with mapping scale for 1：For 5000), on the basis of the broken line that path node is constituted, by the mode perpendicular to path, automatically
Mark mileage mark and mileage text, mileage label is indicated with character "-".
S3, automatically draw bridge, tunnelled symbol
Bridge and tunnelled symbol are drawn by following principle：Symbol does not cover settlement place annotation, important control in figure as far as possible
Information does not cover mutually with adjacent thematic symbol.
Specified first point is the center of circle, and drafting bridge Warning Mark is round, 25 millimeters of diameter；It is triangle by specified second point
The vertex of shape Warning Mark, calculate two o'clock formed line segment and horizontal direction angle, when angle 90 degree between 180 degree when
Using first via paint type, when angle uses second of paint type when 180 degree is between 270 degree, when angle is at 270 degree
The third paint type is used when between to 360 degree；Merge round and triangle Warning Mark and retouches side by four pixels and foreground
Obtain full vector bridge symbol.
Centered on specified first point, 12*30 millimeters of tunnel Warning Mark rectangle are drawn, is three by specified second point
The vertex of angular Warning Mark, the angle of line segment and horizontal direction that two o'clock is formed, is adopted when angle is between 15 degree to 165 degree
Drawn with the first seed type, the drafting of second type used when angle is between 165 degree to 195 degree, when angle at 195 degree extremely
It is drawn when between 345 degree using third seed type, is drawn when angle is in other sections using the 4th seed type；Merge rectangle with
Side, which is retouched, by four pixels and foreground after triangle Warning Mark obtains full vector tunnelled symbol.
S4, automatic draw tunnel entrance
According to foreground, tunnel entrance symbol is drawn automatically by 5 millimeters of standards：Drafting side is judged according to the sequence of input point
To, i.e., from top to bottom, with horizontal direction angle be in 90 degree when for tunnel left-hand draw, formed tunnel portal；From bottom to top, with water
Tunnel is dextrad drafting when flat angular separation is in 270 degree, forms tunnel exit.Three sections of line ratios of symbol are 1：2：1, angle two-by-two
It is 135 degree.
S5, automatic draw station symbol
The center of circle of station symbol circle symbol is determined according to the first of input point；Station center is determined according to the second point of input
Position, the distance between first point and second point determine the length of station symbol；The thirdly instruction station platform direction of input.
The color of drafting symbol is consistent with foreground.Automatic station symbol of drawing carries out as follows：
1. reading present figure foreground.
2. inputting first point, determines station circle marker present position, according to 10 millimeters of drafting station outer circles of diameter, draw
Color processed forms the outer profile of circle marker depending on foreground, then by the white station inner circle of 9.5 millimeters of draftings of diameter.
3. according to 10 millimeters of overall diameter, 6 millimeters of interior diameter, i.e., with a thickness of 4 millimeters of drafting station semi-circulars, color and prospect
Color is identical.
4. input second point, by first point between second point at a distance from determine the length of straightway in the symbol of station, directly
0.5 millimeter of line segment line width, color uses foreground.
5. merging the above symbol, the drafting of station symbol is completed.
S6, customization oblique line fill pattern
Read present figure foreground.Straight line is drawn, then replicates to obtain parallel lines, line width 5 using copy command
Pixel, line spacing are 35 pixels, and the above parameter is filling line style and filling line spacing, are revolved by 40 degree of angles to parallel lines
Turn；By the eight neighborhood search pixel fills unit of image, guarantee to cut and define and fill out with other inside image-element congruence in figure
Pattern is filled, customization oblique line fill pattern is completed.
S7Thematic maps element integrates
The adjustment of data topology relationship is carried out to thematic maps element by cartographic generaliztion principle and according to file management mould
Formula, figure layer is named by standard and is classified collects.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 element automatic processing method, which is characterized in that technical step includes：Remote sensing shadow
As base map automatically processes (S1), it is automatic to draw route mileage (S2), bridge, tunnelled symbol (S are drawn automatically3), tunnel is drawn automatically
Entrance (S4), it is automatic to draw station symbol (S5), customization oblique line fill pattern (S6), the integrated (S of thematic maps element7)；
The remote sensing image base map automatically processes (S1)
For the feature of remote sensing image, specified batch processing template is chosen in remote sensing image terrain surface specifications data bank, to batch
Color difference and colour cast existing for remote sensing image are automatically processed,
The automatic drafting route mileage (S2)
Rail track path is selected, on the basis of the broken line that path node is constituted, by the mode perpendicular to path, in automatic drafting
Journey mark and mileage text,
The automatic drafting bridge, tunnelled symbol (S3)
It is the center of circle by specified first point, draws bridge Warning Mark circle, 25 millimeters of diameter, be triangle by specified second point
The angle on the vertex of Warning Mark, the line segment and horizontal direction that are formed by two o'clock judges automatically symbol plotting type, automatic to draw
It indicates triangle, merges and retouch side by four pixels after the above shape and obtain full vector bridge symbol, retouching side color is foreground；By finger
Centered on fixed first point, 12*30 millimeters of tunnel Warning Mark rectangle are drawn, is triangle Warning Mark by specified second point
Vertex, it is similar to bridge drawing rule, it is automatic to draw instruction triangle, merge and retouch side by four pixels after rectangle and triangle and obtain
To full vector tunnelled symbol, retouching side color is foreground,
The automatic drafting tunnel entrance (S4)
According to foreground color, specification is judged automatically according to the distance of input point-to-point transmission and its with the angle of route, and draw automatically
Tunnel entrance is drawn by 5 millimeters, 8 millimeters of two kinds of specifications,
The automatic drafting station symbol (S5)
The center of circle of station symbol circle symbol is determined according to the first of input point；Station centre bit is determined according to the second point of input
It sets, the distance between first point and second point determine the length of station symbol；The thirdly instruction station platform direction of input,
The color of drafting symbol is consistent with foreground,
The customization oblique line fill pattern (S6)
Two parallel lines are drawn, line width and line spacing are filling line style and filling line spacing, are rotated as required, angle
For the rotation angle of filling line, image repetitive unit is found, cuts and define filling pattern, completes customization oblique line fill mould
Formula,
Integrated (the S of the thematic maps element7)
The adjustment of data topology relationship is carried out to thematic maps element by cartographic generaliztion principle and is carried out according to document management mode
Data integration.
2. a kind of remote sensing image railway thematic maps element automatic processing method as described in claim 1, it is characterised in that：Institute
The remote sensing image base map stated automatically processes (S1) step use template data set cover following data：LandSat_TM data,
Spot data, ALOS data, QuickBird data, DigitalGlobe data, DMC data and network share satellite tile
Data.
3. a kind of remote sensing image railway thematic maps element automatic processing method as described in claim 1, it is characterised in that：Institute
The automatic drafting route mileage (S stated2) step automatic drafting route mileage be according to 5 kilometers, 10 kilometers, 20 kilometers, it is 50 public
In four kinds of standards interval automatic marking mileage and attached mark, mark and mileage be full vector mode.
4. a kind of remote sensing image railway thematic maps element automatic processing method as described in claim 1, it is characterised in that：Institute
Automatic drafting bridge, the tunnelled symbol (S stated3) step automatic drafting bridge, the tunnelled symbol mentioned refer to the offline road of Dingyuan
It puts and occupy the point on route, slope is calculated by this two o'clock and judge automatically the angle between horizontal line, determine that symbol is drawn
Direction processed and Warning Mark length, the bridge and tunnelled symbol finally completed are full vector format, have complete editable
Characteristic.
5. a kind of remote sensing image railway thematic maps element automatic processing method as described in claim 1, it is characterised in that：Institute
The automatic drafting tunnel entrance (S stated4) step draw tunnel entrance symbol be according to the sequence of input point judge draw
Direction is drawn from top to bottom for tunnel left-hand, be from bottom to top dextrad drafting.
6. a kind of remote sensing image railway thematic maps element automatic processing method as described in claim 1, it is characterised in that：Institute
The customization oblique line fill pattern (S stated6) the searching image repetitive unit mentioned of step is to repeat picture by the eight neighborhood search of image
Plain fills unit guarantees in figure with other inside image-element congruence.
7. a kind of remote sensing image railway thematic maps element automatic processing method as described in claim 1, it is characterised in that：Institute
Integrated (the S for the thematic maps element stated7) step mention carry out data integration according to document management mode, be referring to file pipe
Reason mode, figure layer is named by standard and is classified collects.
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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 |
| 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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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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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