CN102289990A - Charted depth annotation representation notation based on character color extension - Google Patents
Charted depth annotation representation notation based on character color extension Download PDFInfo
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Abstract
The invention discloses charted depth annotation representation notation based on character color extension. The charted depth annotation representation notation comprises the following steps: a, designing a green right-inclined equal-line water depth annotation character library by using 12 characters including Arabic numerals from 0 to 9 and a no-bottom-found symbol and a drying symbol for indicating water depth annotation types; and b, using GIS (geographic information system) software to display and draw the green right-inclined equal-line water depth annotation. The charted depth annotation representation notation based on character color extension is used for effectively realizing the differential representation for two main depth detection data on the current chart, namely, water depth data obtained by single-beam depth detection and multi-beam depth detection, thus preferably meeting chart users in voyage, oceanographic engineering, oceanographic fishing fields and the like; and the charted depth annotation with the classification representation can be utilized to recognize, rebuild and use demands of submarine topography more visually and exactly, thus obviously improving the manufacturing quality and use value of chart products.
Description
Technical field
The present invention relates to fields such as hydrographic charting, navigation, oceanographic engineering, marine fishing, relate in particular to a kind of charted depth annotation representation based on the character color expansion.
Background technology
Progress along with Bathymetric Technology, the marine site that current various countries relevant measurement department is satisfying the requirements, basically all adopt multibeam echosounding equipment, realize seabed all standing bathymetric survey, traditional bathymetric survey is used is the single beam sonic echo depth finder, be point-like and wire measurement, depth data between the lead line can't obtain, the application of multibeam sounding system, realized the planar measurement of the degree of depth, solved the problem of all standing, increased substantially the reliability of work efficiency and depth survey, that is to say, with the single beam sounding device that generally adopts before, can only carry out bathymetric survey at interval by certain survey line and compare, multibeam echosounding has been realized by " point ", " line " arrives " face " qualitative leap, makes the quality of bathymetric survey data obtain significant raising.In fact, the bathymetric data that obtains by multibeam echosounding, can no longer worry to exist " leaking shallow " phenomenon that jeopardizes ship navigation safety that may occur when adopting old mode such as single beam depth measurement, even can be according to using needs between this depth of water, to carry out the interpolation calculation of any density, if also can be directly perceived on the sea chart, express the characteristics of this bathymetric data effectively, just be bound to further improve the especially result of use of navigation field sea chart of each association area, but, pointed as preceding surface analysis, IHO and each the countries concerned represent in the charted depth annotation at present, all not to the depth measurement data measured from multi-beam with come from the depth measurement data that single beam measures (containing) and distinguished from larger proportion chi sea chart or the higher bathymetric data of precision that obtains by other measurement means, make the sea chart user can't make full use of the huge advantage of being brought owing to the bathymetric survey technology that adopts current advanced person, thereby reduced the total quality and the use value of sea chart to a certain extent.
Summary of the invention
The purpose of this invention is to provide a kind of charted depth annotation representation based on the character color expansion.
The technical scheme that the present invention is adopted for achieving the above object is: a kind of charted depth annotation representation based on the character color expansion may further comprise the steps:
A, by arabic numeral 0-9, be used to illustrate not measuring end symbol and do 12 character design of symbol and going out green right line body depth of water annotation character repertoire such as oblique of depth of water annotation classification;
B, carry out the demonstration and the drafting of the green right line body depth of water such as oblique by Geographic Information System (GIS) software.
The method of the line body depth of waters such as the green right side of Geographic Information System (GIS) software among the step b (is example with ArcGIS) demonstration and drafting is oblique is: in form the layers list, select the bathymetric data layer, enter the Layer Properties dialog box of Properties option, determine mask method on the Label hurdle, select Define classes of features and label each class different way option of Method drop-down window, click the Add button and in the Class column, increase the different green right line body depth of water annotation classes that tiltedly waits, open SQL Query dialog box, the key element of each annotation class is set by the attribute coding, select the annotation project name by the Label drop-down window, click the Expression button and enter Label expression dialog box, write the demonstration expression formula, return Layer properties dialog box after the affirmation, determine the size of depth of water annotation, attribute and principal point position, choose Label features in this layer option, after confirming that application is provided with, the green right end that is provided with that tiltedly waits line body depth of water annotation.
The described different green right line body depth of water annotation class that tiltedly waits is divided into common depth of water integral part, common depth of water fraction part, special depth integral part, special depth fraction part and does not measure end depth of water integral part.
Greenly right among described step a and the b tiltedly wait the line body depth of water to be divided into the green common right italic depth of water, the green special right italic depth of water, green not measure the end right side italic depth of water and green right italic drying height.
The present invention is based on the charted depth annotation representation of character color expansion, seem the approach of simple depth of water annotation color expansion by employing, effectively realized two kinds of main depth measurement data---the difference that derives from the bathymetric data of single beam depth measurement and multibeam echosounding is represented on the current sea chart, remedied the deficiency of existing charted depth annotation method for expressing, satisfied navigation better, oceanographic engineering, the sea chart user in fields such as marine fishing, more directly perceived by the charted depth annotation after the classification expression, cognitive exactly, rebuild and utilize the needs of submarine topography, thereby the fabricating quality of sea chart product and use value are significantly improved.
Description of drawings
Fig. 1 is the green right line body depth of water annotation character synoptic diagram that tiltedly waits of the present invention.
Fig. 2 is that the present invention partly contains the bathymetric data data master drawing from multibeam echosounding.
Fig. 3 is the sea chart master drawing of drawing according to the charted depth annotation representation that the present invention is based on the character color expansion among Fig. 2.
Embodiment
As shown in Figure 1-Figure 3, the present invention is based on the charted depth annotation representation of character color expansion, may further comprise the steps: a, by arabic numeral 0-9, be used to illustrate not measuring end symbol and do 12 character design of symbol and going out green right line body depth of water annotation character repertoire such as oblique of depth of water annotation classification; B, carry out green right demonstration and the drafting that tiltedly waits the line body depth of water by Geographic Information System (GIS) software, the method that shows in the ArcGIS Geographic Information System (GIS) software and draw the green right line body depth of water such as tiltedly is: in form the layers list, select the bathymetric data layer, enter the Layer Properties dialog box of Properties option, determine mask method on the Label hurdle, select Define classes of features and label each class different way option of Method drop-down window, click the Add button and in the Class column, increase the different green right line body depth of water annotation classes that tiltedly waits, be divided into common depth of water integral part, common depth of water fraction part, the special depth integral part, the special depth fraction part, do not measure end depth of water integral part etc., open SQL Query dialog box, the key element of each annotation class is set by the attribute coding, select the annotation project name by the Label drop-down window, click the Expression button and enter Label expression dialog box, write the demonstration expression formula, return Layer properties dialog box after the affirmation, determine the size of depth of water annotation, attribute and principal point position, choose Label features in this layer option, after confirming that application is provided with, the green right end that is provided with that tiltedly waits line body depth of water annotation, the right italic depth of water of this green is divided into 4 classes, comprise the green common right italic depth of water, the green special right italic depth of water, green does not measure the right italic depth of water in the end and green right italic drying height, as Fig. 1, (contain digital 0-9 by the right line body depth of water annotation character that tiltedly waits of black, " do " and " not measuring the end " symbol), after color conversion, obtain the right line body depth of water annotation character that tiltedly waits of respective green, wherein, the green right size of line body depth of water annotation character that tiltedly waits is consistent with the right line body depth of water annotation character that tiltedly waits of existing black, green according to color function R GB (0,255,0) defines, the sea chart master drawing (part) of Fig. 3 for drawing by the charted depth annotation representation that the present invention is based on the character color expansion, lower right corner part is very clearly showed from the depth of water dot information of multibeam echosounding.
Claims (4)
1. the charted depth annotation representation based on the character color expansion is characterized in that, may further comprise the steps:
A, by arabic numeral 0-9, be used to illustrate not measuring end symbol and do 12 character design of symbol and going out green right line body depth of water annotation character repertoire such as oblique of depth of water annotation classification;
B, carry out the demonstration and the drafting of green right line body depth of water annotation such as oblique by Geographic Information System (GIS) software.
2. a kind of charted depth annotation representation according to claim 1 based on the character color expansion, it is characterized in that: the method for line body depth of water annotations such as the green right side of Geographic Information System (GIS) software among the step b (is example with ArcGIS) demonstration and drafting is oblique is: in form the layers list, select the bathymetric data layer, enter the Layer Properties dialog box of Properties option, determine mask method on the Label hurdle, select Define classes of features and label each class different way option of Method drop-down window, click the Add button and in the Class column, increase the different green right line body depth of water annotation classes that tiltedly waits, open SQL Query dialog box, the key element of each annotation class is set by the attribute coding, select the annotation project name by the Label drop-down window, click the Expression button and enter Label expression dialog box, write the demonstration expression formula, return Layer properties dialog box after the affirmation, determine the size of depth of water annotation, attribute and principal point position, choose Label features in this layer option, after confirming that application is provided with, the green right end that is provided with that tiltedly waits line body depth of water annotation.
3. a kind of charted depth annotation representation based on the character color expansion according to claim 2 is characterized in that: the described different green right line body depth of water annotation class that tiltedly waits is divided into common depth of water integral part, common depth of water fraction part, special depth integral part, special depth fraction part and does not measure end depth of water integral part.
4. a kind of charted depth annotation representation based on character color expansion according to claim 1 is characterized in that: greenly among described step a and the b rightly tiltedly wait the line body depth of water to be divided into the green common right italic depth of water, the green special right italic depth of water, green not measure the end right side italic depth of water and green right italic drying height.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737542A (en) * | 2012-02-10 | 2012-10-17 | 武汉大学 | Automatic water depth annotation selection method with consideration of multi-restriction conditions |
| CN103955932A (en) * | 2014-05-05 | 2014-07-30 | 张立华 | Automatic charted depth selection method of water-leakage-free depth points |
| CN111243053A (en) * | 2020-01-19 | 2020-06-05 | 智慧航海（青岛）科技有限公司 | Optimized display method based on S52 standard chart water depth symbol |
-
2011
- 2011-08-24 CN CN2011102463057A patent/CN102289990A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737542A (en) * | 2012-02-10 | 2012-10-17 | 武汉大学 | Automatic water depth annotation selection method with consideration of multi-restriction conditions |
| CN102737542B (en) * | 2012-02-10 | 2014-01-15 | 武汉大学 | Automatic water depth annotation selection method with consideration of multi-restriction conditions |
| CN103955932A (en) * | 2014-05-05 | 2014-07-30 | 张立华 | Automatic charted depth selection method of water-leakage-free depth points |
| CN103955932B (en) * | 2014-05-05 | 2016-08-24 | 张立华 | A kind of charted depth automatically selecting method of water-tight depth point |
| CN111243053A (en) * | 2020-01-19 | 2020-06-05 | 智慧航海（青岛）科技有限公司 | Optimized display method based on S52 standard chart water depth symbol |
| CN111243053B (en) * | 2020-01-19 | 2023-11-17 | 智慧航海（青岛）科技有限公司 | Optimized display method based on S52 standard chart water depth symbol |
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