CN106204683A - The ocean density map method for drafting with meta graph recognition is rendered based on GIS symbol - Google Patents
The ocean density map method for drafting with meta graph recognition is rendered based on GIS symbol Download PDFInfo
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- CN106204683A CN106204683A CN201610551384.5A CN201610551384A CN106204683A CN 106204683 A CN106204683 A CN 106204683A CN 201610551384 A CN201610551384 A CN 201610551384A CN 106204683 A CN106204683 A CN 106204683A
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
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Abstract
The present invention relates to a kind of render the ocean density map method for drafting with meta graph recognition based on GIS symbol, comprise the following steps that (1) loads the biological data data included for drawing ocean density map；(2) according to the density value of Biomass in attribute list, GIS platform renders the drafting mechanism with meta graph recognition by GIS symbol, marine organisms density map is drawn one by one: (3) load respective standard template according to scale, paper size, complete drawing ornamenting with investigation erect-position for the center of circle；(4) confirming final content of publishing picture, map file will be become to preserve into MXD form, drawing achievement exports in the way of PDF or picture.The present invention achieves the automatization of complicated ocean essential first in GIS platform and draws, and changes that existing ocean density map map platform is different, standard differs, and the ocean density map not being associated with geographical position draws present situation.
Description
Technical field
The invention belongs to marine information technical field, a kind of render the ocean with meta graph recognition based on GIS symbol
Density map method for drafting.
Background technology
Ocean density map is to describe Zooplankton Species composition and distributed number, or with section as statistical unit, describes
Intertidal organism kind, the map of biomass.
How traditional ocean density map for the purpose of charting towards GIS, is not carried out based on Matlab, CorelDraw software
Manual drawing, is used for reporting that illustration is schematically illustrate, it is impossible to reach the effect that map is published.And due to can not be mutual between these softwares
Compatibility, the attribute information in drawing drawing process also cannot completely preserve, and causes existing ocean density map achievement form
The imperfect problem of disunity, cartographic data；In addition, conventional GIS system lacks the drafting of complex symbol, it is impossible to realize multiparameter
The drafting function of complex figure.
Summary of the invention
It is an object of the invention to for the deficiencies in the prior art, propose a kind of to render and meta graph recognition based on GIS symbol
Ocean density map method for drafting.
The present invention solves it and technical problem is that and take techniques below scheme to realize:
A kind of render the ocean density map method for drafting with meta graph recognition based on GIS symbol, comprise the following steps that
(1) loading data: the data of loading include the biological data for drawing ocean density map, supporting data type is
Point, data attribute includes the density of drawn Biomass；
(2) density map is drawn: according to the density value of Biomass in attribute list, GIS platform renders by GIS symbol and
The drafting mechanism of meta graph recognition, draws marine organisms density map, whole marine organisms density map one by one investigating erect-position for the center of circle
Drawing process step is as follows:
1. density map rendering parameter is arranged: the color configuration information of reading database Midst density figure, including various biological species
Class color is arranged and the size of font, font model；
2. GIS symbol color applying drawing cake chart is utilized: call the attribute information of ITable interface ergodic data, according to attribute
It is worth by IChartRenderer interface, stores it in the field that cake chart is drawn, for controlling the ratio of pie chart, call
FieldHelper.GetFieldsFromLayer method obtains total biomass field, for step 4. middle total biomass font
Mark, calls IPieChartSymbol and carries out the setting of pie symbol, including the various biological species 1. obtained according to step
Colouring information, ILineSymbol, for controlling the width of profile of cake, color, calls in IFillSymbol carries out cake and fills
The setting of color, carries out rendering of whole cake chart finally by Render method；
3. center circle is drawn based on GIS pel: by GIS element figure ITriangleElement interface renderings circle, its
Middle ISimpleFillSymbol, for justifying the setting of fill area attribute symbol, calls ICmykColor and carries out the setting of circular color,
Call IPoint and obtain the spatial coordinated information of each erect-position point, with this coordinate as the center of circle, be circulated drafting, be saved in
SetGraphicsContainer, is added the circle drawn in pel container by ITriangleElement.AddElement；
4. total biomass font mark: utilize the total biomass field that 2. step generates, by setting of step 1. middle symbol
Put and utilize ElementHelper.LableAll method all erect-position fonts to be plotted in center circle；
(3) ornamenting becomes figure: loads respective standard template according to scale, paper size, completes drawing ornamenting；
(4) cartography export: confirm final content of publishing picture, will become map file to preserve into MXD form, and drawing achievement is with PDF
Or the mode of picture exports.
And, described step (2) 1. in the color configuration information of reading database Midst density figure particularly as follows: according to " I
State's coastal ocean comprehensive survey element classification code and legend standard " in the investigation principal section of regulation respectively stand intertidal organism
Total biomass code is 1203010000, finds its code matched in the CODE field of data base,
ColorRampFromClr stores the colouring information that every class is biological, according to Mollusca Y40, algae C30/Y40, Polychaeta M20/
Y30, shell-fish C20/M40, Echinodermata C25/Y10, other classes C20/M20 carry out color setting.
Advantages of the present invention and good effect be:
The present invention is for the purpose of GIS symbol renders and pel draws mechanism, data-driven drawing, special in conjunction with ocean subject
Point, the automatization achieving complicated ocean essential first in GIS platform draws, and is integrated with whole steps that ocean density map is drawn
Rapid and flow process, changes that existing ocean density map map platform is different, standard differs, and the ocean not being associated with geographical position
Density map draws present situation.
Accompanying drawing explanation
Fig. 1 is the drafting flow chart of the inventive method.
Fig. 2 is to investigate principal section in the present invention respectively to stand intertidal organism total biomass example of making achievement master drawing.
Detailed description of the invention
Below in conjunction with accompanying drawing, present example is further described: it is emphasized that embodiment of the present invention
Being illustrative rather than determinate, therefore the present invention is not limited to the embodiment described in detailed description of the invention, every by
Other embodiment that those skilled in the art draw according to technical scheme, also belongs to the model of present invention protection
Enclose.
A kind of render the ocean density map method for drafting with meta graph recognition based on GIS symbol, comprise the following steps that
(1) loading data: the data of loading include the biological data for drawing ocean density map, supporting data type is
Point, data attribute includes the density of drawn Biomass；
(2) density map is drawn: according to the density value of Biomass in attribute list, GIS platform renders by GIS symbol and
The drafting mechanism of meta graph recognition, draws marine organisms density map, whole marine organisms density map one by one investigating erect-position for the center of circle
Drawing process step is as follows:
1. density map rendering parameter is arranged: the color configuration information of reading database Midst density figure, including various biological species
Class color is arranged and the size of font, font model；
2. GIS symbol color applying drawing cake chart is utilized: call the attribute information of ITable interface ergodic data, according to attribute
It is worth by IChartRenderer interface, stores it in the field that cake chart is drawn, for controlling the ratio of pie chart, call
FieldHelper.GetFieldsFromLayer method obtains total biomass field, for step 4. middle total biomass font
Mark, calls IPieChartSymbol and carries out the setting of pie symbol, including the various biological species 1. obtained according to step
Colouring information, ILineSymbol, for controlling the width of profile of cake, color, calls in IFillSymbol carries out cake and fills
The setting of color, carries out rendering of whole cake chart finally by Render method；
3. center circle is drawn based on GIS pel: by GIS element figure ITriangleElement interface renderings circle, its
Middle ISimpleFillSymbol, for justifying the setting of fill area attribute symbol, calls ICmykColor and carries out the setting of circular color,
Call IPoint and obtain the spatial coordinated information of each erect-position point, with this coordinate as the center of circle, be circulated drafting, be saved in
SetGraphicsContainer, is added the circle drawn in pel container by ITriangleElement.AddElement；
4. total biomass font mark: utilize the total biomass field that 2. step generates, by setting of step 1. middle symbol
Put and utilize ElementHelper.LableAll method all erect-position fonts to be plotted in center circle；
(3) ornamenting becomes figure: loads respective standard template according to scale, paper size, completes drawing ornamenting；
(4) cartography export: confirm final content of publishing picture, will become map file to preserve into MXD form, and drawing achievement is with PDF
Or the mode of picture exports.
Example
In order to clearly describe present disclosure, choose an investigation principal section and respectively stand intertidal organism total biomass density
The making of figure describes execution step in detail, as shown in Figure 1,
(1) loading data
Loading " intertidal organism .shp " data editted, data attribute includes that Mollusca, Polychaeta, carapace are dynamic
Thing, echinoderm, other animals, total biomass.
(2) density map is drawn
1. density map rendering parameter is arranged: according to " China coastal seas comprehensive marine investigation element classification code and legend
Standard " in the investigation principal section of regulation intertidal organism total biomass code of respectively standing for " 1203010000 ", in data base
Finding its code matched in CODE field, ColorRampFromClr stores the colouring information that every class is biological, according to software
Animal Y40, algae C30/Y40, Polychaeta M20/Y30, shell-fish C20/M40, Echinodermata C25/Y10, other classes C20/M20 are entered
Row color is arranged, and line style color ContourLineColor is M60/Y60/K40, and live width ContourLineWidth is 0.1, mark
Quasi-font is the LabelFont Song typeface, and LabelSize is 6.
2. GIS symbol color applying drawing cake chart is utilized: read Mollusca 292.92, Polychaeta 89.34, crustacean
40.3, echinoderm 0, other animals 0, for controlling the ratio of pie chart, obtain total biomass field 578, for step simultaneously
The mark of middle Biomass font.According to the colouring information of the different biological species that 1. step obtains, the width of the profile of cake
0.2, color M60/Y60/K40, carries out the setting of Fill Color in cake, finally according to above-mentioned numerical value and symbol color to first
Cake chart renders, and circulation is until the drafting of last cake chart terminates.
3. center circle is drawn based on GIS pel: arranging round fill area attribute symbol, Fill Color is C0/M0/Y0/K0, live width
Degree 0.2, color M60/Y60/K40, obtains first point position in space: 121.1,27.49, with it as the center of circle, draws circular.
4. total biomass font mark: invocation step 2. in the total biomass field that stored, 1. acquired according to step
Font rendering parameter, center circle carries out total biomass font and is labeled as 578.
(3) ornamenting becomes figure: loads respective standard template according to scale, paper size, completes drawing ornamenting.
(4) cartography export: confirm final content of publishing picture, will become map file to preserve into MXD form, and drawing achievement is with PDF
Or the mode of picture exports, as shown in Figure 2.
Claims (2)
1. one kind renders the ocean density map method for drafting with meta graph recognition based on GIS symbol, it is characterised in that include that step is such as
Under:
(1) loading data: the data of loading include the biological data for drawing ocean density map, supporting data type is a little,
Data attribute includes the density of drawn Biomass；
(2) density map is drawn: according to the density value of Biomass in attribute list, render and pel by GIS symbol in GIS platform
The drafting mechanism of combination, draws marine organisms density map one by one investigating erect-position for the center of circle, and whole marine organisms density map is drawn
Process steps is as follows:
1. density map rendering parameter is arranged: the color configuration information of reading database Midst density figure, including various biological species face
Color is arranged and the size of font, font model；
2. utilize GIS symbol color applying drawing cake chart: call the attribute information of ITable interface ergodic data, lead to according to property value
Cross IChartRenderer interface, store it in the field that cake chart is drawn, for controlling the ratio of pie chart, call
FieldHelper.GetFieldsFromLayer method obtains total biomass field, for step 4. middle total biomass font
Mark, calls IPieChartSymbol and carries out the setting of pie symbol, including the various biological species 1. obtained according to step
Colouring information, ILineSymbol, for controlling the width of profile of cake, color, calls in IFillSymbol carries out cake and fills
The setting of color, carries out rendering of whole cake chart finally by Render method；
3. center circle is drawn based on GIS pel: by GIS element figure ITriangleElement interface renderings circle, wherein
ISimpleFillSymbol, for justifying the setting of fill area attribute symbol, calls ICmykColor and carries out the setting of circular color, adjust
Obtain the spatial coordinated information of each erect-position point with IPoint, with this coordinate as the center of circle, be circulated drafting, be saved in
SetGraphicsContainer, is added the circle drawn in pel container by ITriangleElement.AddElement；
4. total biomass font mark: utilize the total biomass field that 2. step generates, by step 1. in symbol profit is set
By ElementHelper.LableAll method, all erect-position fonts are plotted in center circle；
(3) ornamenting becomes figure: loads respective standard template according to scale, paper size, completes drawing ornamenting；
(4) cartography export: confirm final content of publishing picture, will become map file to preserve into MXD form, drawing achievement with PDF or
The mode of picture exports.
The most according to claim 1 render the ocean density map method for drafting with meta graph recognition, its feature based on GIS symbol
Be: described step (2) 1. in reading database Midst density figure color configuration information particularly as follows: according to " China coastal seas sea
Ocean comprehensive survey element classification code and legend standard " in the investigation principal section of regulation respectively stand intertidal organism total biomass
Code is 1203010000, finds its code matched in the CODE field of data base, and ColorRampFromClr stores
The colouring information that every class is biological, according to Mollusca Y40, algae C30/Y40, Polychaeta M20/Y30, shell-fish C20/M40, spine
Skin class C25/Y10, other classes C20/M20 carry out color setting.
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| CN108230302A (en) * | 2017-12-21 | 2018-06-29 | 岭东核电有限公司 | A kind of nuclear power plant's low-temperature receiver marine site invasion marine organisms detection and method of disposal |
| CN110068586A (en) * | 2019-04-10 | 2019-07-30 | 中国石油大学(北京) | The drafting method and device of stereoscan photograph |
| CN110941688A (en) * | 2019-10-29 | 2020-03-31 | 国家海洋信息中心 | Track processing and spatialization management method based on multi-beam discrete data |
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| CN110068586A (en) * | 2019-04-10 | 2019-07-30 | 中国石油大学(北京) | The drafting method and device of stereoscan photograph |
| CN110941688A (en) * | 2019-10-29 | 2020-03-31 | 国家海洋信息中心 | Track processing and spatialization management method based on multi-beam discrete data |
| CN110941688B (en) * | 2019-10-29 | 2023-05-12 | 国家海洋信息中心 | Track processing and space management method based on multi-beam discrete data |
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