CN106023128B - The fusion method and device of topographic map data and chart data - Google Patents
The fusion method and device of topographic map data and chart data Download PDFInfo
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- 238000007500 overflow downdraw method Methods 0.000 title claims abstract description 21
- 230000004927 fusion Effects 0.000 claims abstract description 65
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000006698 induction Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
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Abstract
The present invention provides the fusion methods and device of a kind of topographic map data and chart data, wherein the described method includes: according to the coding of information of the ground map element standard and chart data standard fusion topographic map and sea chart;According to the geographic information data of topographic map described in the data fusion of intertidal zone and sea chart.Can Bu Tong semantic and scale and space reference to topographic map and sea chart according to standard fusion, can be realized it is complete, quickly and safely merge extra large land geodata.Realize the unification of extra large land geodata.
Description
Technical field
The invention belongs to Geoprocessing fields in surveying and mapping technology, more particularly, to a kind of topographic map data and sea chart number
According to fusion method and device.
Background technique
Ocean is base 21 century for the survival of mankind, and ocean is increasingly paid attention in countries in the world, and develops ocean one after another.
There is extensive connections, only reinforcement land and interoceanic combined exploiting between ocean and land, realize land-sea integration
Development more rationally could efficiently utilize resource.There is extensive connection between ocean and land, only reinforcement land with
Interoceanic combined exploiting is realized land-sea integrative development, could more rationally efficiently be referred to using resource land-sea integration
According to the inner link between ocean and land, with the thought of systematology and synergism, unified planning and integrated management land
And ocean, a unified land-sea system is become, to realize the more effective configuration of land-sea resource.
In recent years, with the rapid development of social economy, GIS-Geographic Information System (Geographical Information
System, GIS) application commercial running, it is popular and globalization, the geography of the diversified forms such as electronic chart and various electronic maps
Information also obtains significant progress.And the integrated key of land-sea is the fusion of land-sea multi-source geographic information data, due to electronics
Sea chart and land electronic map there is the diversity of acquisition modes, multi-semantic meaning, multiple dimensioned property and space reference diversity,
There is a variety of obstructions for the fusion of extra large land geographic information data, how completely, quickly to be pacified extra large land geodata by computer
It is merged, is a technical problem to be solved urgently entirely.
Summary of the invention
The embodiment of the invention provides the fusion methods and device of a kind of topographic map data and chart data, to have realized
Whole, quick, safety merges the purpose of extra large multi-source geographic information data
In a first aspect, the embodiment of the invention provides the fusion methods of a kind of topographic map data and chart data, comprising:
According to the coding of information of the ground map element standard and chart data standard fusion topographic map and sea chart;
According to the geographic information data of topographic map described in the data fusion of intertidal zone and sea chart.
Further, the volume according to information of the ground map element standard and chart data standard fusion topographic map and sea chart
Code, comprising:
Topographic map basic geographic elements are inquired, the element of sea chart is matched with topographic map basic geographic elements.
Further, the volume according to information of the ground map element standard and chart data standard fusion topographic map and sea chart
Code, further includes:
When geographical attribute of object includes at least two attribute in the sea chart, according to the geographical object target at least two
Attribute is matched with topographic map basic geographic elements;If at least two attributes match is same category, according to institute
Same category is stated to be merged with the topographic map basic geographic elements.
When geographical attribute of object includes at least two attribute in the sea chart, if at least two attribute induction is
When inhomogeneity, the geographical object mark is matched in conjunction with geographical attribute of object with the topographic map basic geographic elements.
Further, the volume according to information of the ground map element standard and chart data standard fusion topographic map and sea chart
Code, further includes:
When that can not be matched there are the geographical object mark in sea chart with topographic map basic geographic elements, according to the geographical object of sea chart
Target, which is defined in corresponding classification, adds new factor kind, and the corresponding classification has class at the same level arranged side by side and can merger
Into the other classification of upper level.
Further, the geographical object target according to sea chart, which is defined in corresponding classification, adds new factor kind, packet
It includes:
New factor kind is added after last of the corresponding classification.
Further, the geographic information data according to topographic map described in the data fusion of intertidal zone and sea chart, comprising:
When including identical coastline data in the chart data and topographic map data, according to the seashore of the sea chart
The geographic information data of topographic map described in line data fusion and sea chart.
Further, the geographic information data according to topographic map described in the data fusion of intertidal zone and sea chart, comprising:
When including identical land factor data in the chart data and topographic map data, according to the topographic map
Land factor data merges the geographic information data of the topographic map and sea chart.
Second aspect, the embodiment of the invention also provides the fusing devices of a kind of topographic map data and chart data, comprising:
Fusion Module is encoded, for according to information of the ground map element standard and chart data standard fusion topographic map and sea chart
Coding;
Data fusion module, for the geographic information data according to topographic map described in the data fusion of intertidal zone and sea chart.
Further, the coding Fusion Module, comprising:
Geographic element matching unit, for inquiring topographic map basic geographic elements, by the element of sea chart and topographic map basis
Geographic element is matched.
Further, the coding Fusion Module, is used for:
When geographical attribute of object includes at least two attribute in the sea chart, according to the geographical object target at least two
Attribute is matched with topographic map basic geographic elements;If at least two attributes match is same category, according to institute
Same category is stated to be merged with the topographic map basic geographic elements.
When geographical attribute of object includes at least two attribute in the sea chart, if at least two attribute induction is
When inhomogeneity, the geographical object mark is matched in conjunction with geographical attribute of object with the topographic map basic geographic elements.
Further, the geographic element matching unit is used for:
When that can not be matched there are the geographical object mark in sea chart with topographic map basic geographic elements, according to the geographical object of sea chart
Target, which is defined in corresponding classification, adds new factor kind, and the corresponding classification has class at the same level arranged side by side and can be integrated into
In the other classification of upper level.
Further, the geographic element matching unit is used for:
New factor kind is added after last of the corresponding classification.
Further, the data fusion module is used for:
When including identical coastline data in the chart data and topographic map data, according to the seashore of the sea chart
The geographic information data of topographic map described in line data fusion and sea chart.
Further, the data fusion module is used for:
When including identical land factor data in the chart data and topographic map data, according to the topographic map
Land factor data merges the geographic information data of the topographic map and sea chart.
The fusion method and device of topographic map data and chart data provided in an embodiment of the present invention, can to topographic map and
The difference semanteme and scale and space reference of sea chart can be realized according to standard fusion and completely, quickly and safely merge extra large land
Manage data.Realize the unification of extra large land geodata.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art
Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the invention
Example is applied, it for those of ordinary skill in the art, without any creative labor, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the flow diagram of the fusion method of the topographic map data that the embodiment of the present invention one provides and chart data;
Fig. 2 is the flow diagram of the fusion method of topographic map data and chart data provided by Embodiment 2 of the present invention;
Fig. 3 is the flow diagram of the fusion method of the topographic map data that the embodiment of the present invention three provides and chart data;
Fig. 4 is the flow diagram of the fusion method of the topographic map data that the embodiment of the present invention four provides and chart data;
Fig. 5 is the structural schematic diagram of the fusing device of the topographic map data that the embodiment of the present invention five provides and chart data.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment one
Fig. 1 is the flow chart of the fusion method of topographic map data and chart data that the embodiment of the present invention one provides, this reality
It applies example and is applicable to the case where topographic map and sea chart carry out data fusion, this method can be by topographic map data and chart data
Fusing device executes, which can be realized by software/hardware mode, and can be integrated in the computer for carrying out data fusion
Or in server.
Referring to Fig. 1, the fusion method of the topographic map data and chart data, comprising:
S110, according to the coding of information of the ground map element standard and chart data standard fusion topographic map and sea chart.
Sea and land integration in the present invention is to convert the geographic element in standard sea chart and standard land figure to extra large Lu Yaosu
Under unified standard.For extra large land vector data, the unification of unification, space reference including data format, element semanteme letter
Unification, unification of space geometry position of breath etc..Since the drafting standard of topographic map and electronic chart is different with specification, need according to
Topographic map data and chart data are merged according to information of the ground map element standard and chart data standard.It is with Tianjin
Example, topographic map data is according to " Tianjin DB12/T 473-2012 Fundamental Geographic Information System factor data dictionary ", electronic chart foundation
" IHO S-57 digital hydrographic data transmission standard ".Constituent encoder refers to the coding of attribute data in element, is right
On the basis of information carries out classification classification, convert the information into be for data classification system geo-referencing basis,
Classification is research object to be divided by its nature several groups, and classification is then to same class object again by amount in a certain respect
Difference carries out classification and hierarchical common describes classification relation membership and hierarchical relationship between atural object.It is exemplary
, when sea chart and topographic map data are merged, elder generation when ocean geography object mark and topographic map classification are established mapping relations
It is compared since element subclass, if there are elements to define the same or similar geographical object mark in the geographic element classification chart of land,
Establish mapping relations.
S120, according to the geographic information data of topographic map described in the data fusion of intertidal zone and sea chart.
Space and attribute, which are merged, to be realized to topographic map and chart data using intertidal zone data.Intertidal zone refers to spring season
Seashore between highest water level and the lowest water level of spring season, that is, the place that when seawater rises to highest is flooded start to tide
The range to expose the surface when water falls back on minimum.The standard of the coastline land data fusion Shi Conghai figure compilation is set out, and is fought in conjunction with ocean
The requirements of support of field environmental geography information, make accurate choice.Using in topographic map and sea chart all including intertidal zone data
Characteristic realizes that topographic map and chart data realize space and attribute fusion.
The fusion method of topographic map data and chart data provided in this embodiment, can be to the difference of topographic map and sea chart
Semantic and scale and space reference can be realized according to standard fusion and completely, quickly and safely merge extra large land geodata.It realizes
The unification of extra large land geodata.
Embodiment two
Fig. 2 is the flow chart of the fusion method of topographic map data provided by Embodiment 2 of the present invention and chart data, this hair
Bright embodiment is based on above-described embodiment, further, the method also includes: the geographical attribute of object packet in the sea chart
When including at least two attributes, matched according to geographical at least two attribute of object target with topographic map basic geographic elements;
If at least two attributes match is same category, according to the same category and the topographic map basic geographic elements
It is merged.When geographical attribute of object includes at least two attribute in the sea chart, if at least two attribute induction
When for inhomogeneity, the geographical object mark is matched in conjunction with geography attribute of object with the topographic map basic geographic elements.
Referring to fig. 2, the fusion method of the topographic map data and chart data, comprising:
S210 inquires topographic map basic geographic elements, the element of sea chart is matched with topographic map basic geographic elements.
S220, when geographical attribute of object includes at least two attribute in the sea chart, extremely according to the geographical object target
Few two attribute are matched with topographic map basic geographic elements;If at least two attributes match is same category,
It is merged according to the same category with the topographic map basic geographic elements.
Part ocean geography attribute of object table includes in " IHO S-57 digital hydrographic data transmission standard "
Multiple attributes such as CATEGORY (type) or FUNCTION (function), attribute are determined for classification belonging to object mark.When " object
When mark+attribute " remains to conclude into same class according to definition, attribute is not used, directly semanteme is carried out with geographical object sample body and melts
It closes, the classification in sea chart and topographic map is carried out to unified purpose to realize.
S230, when geographical attribute of object includes at least two attribute in the sea chart, if at least two attribute
When being summarized as inhomogeneity, by the geographical object mark in conjunction with geographical attribute of object with topographic map basic geographic elements progress
Match.
When same geographical object standard configuration, which closes different attribute values, can be mapped to different classes according to definition, by object mark and attribute
It unites, " geographical object mark+attribute " is used to be mapped and classified.Topographic map is corresponded to avoid the geographical object mark in sea chart
Different classifications in, it is ensured that the geographical object mark in sea chart corresponds to the classification of correct topographic map.
S240, according to the geographic information data of topographic map described in the data fusion of intertidal zone and sea chart.
The present embodiment is by increasing following steps: when geographical attribute of object includes at least two attribute in the sea chart,
It is matched according to geographical at least two attribute of object target with topographic map basic geographic elements;If described at least two belong to
Property matching be same category when, merged according to the same category with the topographic map basic geographic elements.In the sea
It, will be described if at least two attribute induction is inhomogeneity when geographical attribute of object includes at least two attribute in figure
Geographical object mark is matched in conjunction with geographical attribute of object with the topographic map basic geographic elements.It can be according to the sea chart
The geographical object target attribute accurately corresponding classification of matching terrain figure can effectively avoid matching classification mistake.Preferably realize
The semantic fusion of sea chart and topographic map data.
Embodiment three
Fig. 3 is the flow chart of the fusion method of topographic map data and chart data that the embodiment of the present invention three provides, this hair
Bright embodiment is based on above-described embodiment, further, further includes: when there are the geographical object marks in sea chart and topographic map basis
When geographic element can not match, it is defined in corresponding classification according to the geographical object target of sea chart and adds new factor kind, it is described
There is class at the same level arranged side by side and can be integrated into the other classification of upper level in corresponding classification.And in the last of the corresponding classification
New factor kind is added after one.
Referring to Fig. 3, the fusion method of the topographic map data and chart data, comprising:
S310 inquires topographic map basic geographic elements, the element of sea chart is matched with topographic map basic geographic elements.
S320, when geographical attribute of object includes at least two attribute in the sea chart, extremely according to the geographical object target
Few two attribute are matched with topographic map basic geographic elements;If at least two attributes match is same category,
It is merged according to the same category with the topographic map basic geographic elements.
S330, when geographical attribute of object includes at least two attribute in the sea chart, if at least two attribute
When being summarized as inhomogeneity, by the geographical object mark in conjunction with geographical attribute of object with topographic map basic geographic elements progress
Match.
S340, when can not be matched there are the geographical object mark in sea chart with topographic map basic geographic elements, according to the ground of sea chart
Reason object target, which is defined in corresponding classification, adds new factor kind, and the corresponding classification has class at the same level arranged side by side and can return
And into the other classification of upper level.
When can not be matched if there is the geographical object mark in sea chart with topographic map basic geographic elements, need to existing sea
Geographical object mark in figure establishes new factor kind, adds specifically, being defined in corresponding classification according to the geographical object target of sea chart
Add new factor kind, the corresponding classification has class at the same level arranged side by side and can be integrated into the other classification of upper level.Such as
Reason object is designated as beacon, then corresponding to be classified as terrestrial reference, and the factor kind of beacon is added under the classification of terrestrial reference.There is other for terrestrial reference
Class at the same level, and belong to the other classification of upper level.
S350, according to the geographic information data of topographic map described in the data fusion of intertidal zone and sea chart.
The present embodiment is by increasing following steps: there are the geographical object marks in sea chart can not with topographic map basic geographic elements
It when matching, is defined in corresponding classification according to the geographical object target of sea chart and adds new factor kind, the corresponding classification is deposited
In class at the same level arranged side by side and can be integrated into the other classification of upper level.It can be ground according to object target feature geographical in chart data
Reason object mark determines corresponding classification, avoids omitting the geographical object mark in chart data.
In a preferred embodiment of the present embodiment, the method also includes: in the last of the corresponding classification
New factor kind is added after one.Since the corresponding coding of factor kind is it has been determined that newly-increased factor kind needs to come last
Position, can not destroy original classification and sequence.
Example IV
Fig. 4 is the flow chart of the fusion method of topographic map data and chart data that the embodiment of the present invention four provides, this hair
Bright embodiment is based on above-described embodiment, further, will be according to the ground of topographic map described in the data fusion of intertidal zone and sea chart
Reason information data specifically optimizes are as follows: when including identical coastline data in the chart data and topographic map data, according to
The geographic information data of topographic map and sea chart described in the coastline data fusion of the sea chart.With in the chart data and landform
When including identical land factor data in diagram data, according to the land factor data of the topographic map merge the topographic map with
The geographic information data of sea chart.
Referring to fig. 4, the fusion method of the topographic map data and chart data, comprising:
S410, according to the coding of information of the ground map element standard and chart data standard fusion topographic map and sea chart.
S420, when in the chart data and topographic map data including identical land factor data, according to describedly
The land factor data of shape figure merges the geographic information data of the topographic map and sea chart.
The standard of water front data fusion Shi Conghai land figure compilation is set out, in conjunction with the guarantee of Battlefield in Marine Environment geography information
Demand makes accurate choice.The compilation in coastline is keeping main feature point position accurate and can reflect in electronic chart
Under the premise of its natural torsion degree, it then follows the principle for expanding land portion, reducing sea portion.The coastline of topographic map and electronic chart is empty
Between position have differences, be considered due to the compilation method in coastline in sea chart warship safety navigation factor, more meet
The requirements of support of Battlefield in Marine Environment geography information.The topographic map and sea are merged according to the land factor data of the topographic map
The geographic information data of figure.
S430, when in the chart data and topographic map data including identical land factor data, according to describedly
The land factor data of shape figure merges the geographic information data of the topographic map and sea chart.
When element exists simultaneously in topographic map and electronic chart when land portion, gives up electronic chart and retain in topographic map
Land portion element, otherwise directly retains the element;When ocean feature exists simultaneously in topographic map and electronic chart, topographic map is taken
Otherwise attribute in spatial position and electronic chart directly retains the element.
The present embodiment is by will be specifically excellent according to the geographic information data of topographic map described in the data fusion of intertidal zone and sea chart
It turns to: when including identical coastline data in the chart data and topographic map data, according to the coastline of the sea chart
The geographic information data of topographic map and sea chart described in data fusion.With in the chart data and topographic map data include it is identical
Land factor data when, the geography information number of the topographic map and sea chart is merged according to the land factor data of the topographic map
According to.When chart data and topographic map data repeat, chooses more particularly suitable data and merged, it is ensured that fused data
Accuracy.
Embodiment five
Fig. 5 is the structural representation of the fusing device of the topographic map data that fifth embodiment of the invention provides and chart data
Figure, as shown in figure 5, described device includes:
Encode Fusion Module 510, for according to information of the ground map element standard and chart data standard fusion topographic map and
The coding of sea chart;
Data fusion module 520, for the geographic information data according to topographic map described in the data fusion of intertidal zone and sea chart.
The fusing device of topographic map data and chart data provided in this embodiment, can be to the difference of topographic map and sea chart
Semantic and scale and space reference can be realized according to standard fusion and completely, quickly and safely merge extra large land geodata.It realizes
The unification of extra large land geodata.
On the basis of the various embodiments described above, the coding Fusion Module, comprising:
Geographic element matching unit, for inquiring topographic map basic geographic elements, by the element of sea chart and topographic map basis
Geographic element is matched.
On the basis of the various embodiments described above, the coding Fusion Module is used for:
When geographical attribute of object includes at least two attribute in the sea chart, according to the geographical object target at least two
Attribute is matched with topographic map basic geographic elements;If at least two attributes match is same category, according to institute
Same category is stated to be merged with the topographic map basic geographic elements.
When geographical attribute of object includes at least two attribute in the sea chart, if at least two attribute induction is
When inhomogeneity, the geographical object mark is matched in conjunction with geographical attribute of object with the topographic map basic geographic elements.
On the basis of the various embodiments described above, the geographic element matching unit is used for:
When that can not be matched there are the geographical object mark in sea chart with topographic map basic geographic elements, according to the geographical object of sea chart
Target, which is defined in corresponding classification, adds new factor kind, and the corresponding classification has class at the same level arranged side by side and can be integrated into
In the other classification of upper level.
On the basis of the various embodiments described above, the geographic element matching unit is used for:
New factor kind is added after last of the corresponding classification.
On the basis of the various embodiments described above, the data fusion module is used for:
When including identical coastline data in the chart data and topographic map data, according to the seashore of the sea chart
The geographic information data of topographic map described in line data fusion and sea chart.
On the basis of the various embodiments described above, the data fusion module is used for:
When including identical land factor data in the chart data and topographic map data, according to the topographic map
Land factor data merges the geographic information data of the topographic map and sea chart.
The device of the fusion of above-mentioned topographic map data and chart data is able to carry out melting for topographic map data and chart data
The method of conjunction has the function and beneficial effect of method execution.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence;And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (8)
1. the fusion method of a kind of topographic map data and chart data characterized by comprising
According to the coding of information of the ground map element standard and chart data standard fusion topographic map and sea chart;
According to the geographic information data of topographic map described in the data fusion of intertidal zone and sea chart;
The coding according to information of the ground map element standard and chart data standard fusion topographic map and sea chart, comprising:
Topographic map basic geographic elements are inquired, the element of sea chart is matched with topographic map basic geographic elements;
The coding according to information of the ground map element standard and chart data standard fusion topographic map and sea chart, further includes:
When geographical attribute of object includes at least two attribute in the sea chart, according to geographical at least two attribute of object target
It is matched with topographic map basic geographic elements;If at least two attributes match is same category, according to described same
One classification is merged with the topographic map basic geographic elements;
When geographical attribute of object includes at least two attribute in the sea chart, if at least two attribute induction is difference
When class, the geographical object mark is matched in conjunction with geographical attribute of object with the topographic map basic geographic elements.
2. the method according to claim 1, wherein described according to information of the ground map element standard and chart data
The coding of standard fusion topographic map and sea chart, further includes:
When that can not be matched there are the geographical object mark in sea chart with topographic map basic geographic elements, according to the geographical object target of sea chart
It is defined in corresponding classification and adds new factor kind, the corresponding classification has class at the same level arranged side by side and can be integrated into one
In the classification of rank;
The geographical object target according to sea chart, which is defined in corresponding classification, adds new factor kind, comprising:
New factor kind is added after last of the corresponding classification.
3. the method according to claim 1, wherein described according to topographic map described in the data fusion of intertidal zone and sea
The geographic information data of figure, comprising:
When including identical coastline data in the chart data and topographic map data, according to the seashore line number of the sea chart
According to the geographic information data for merging the topographic map and sea chart.
4. the method according to claim 1, wherein described according to topographic map described in the data fusion of intertidal zone and sea
The geographic information data of figure, comprising:
When including identical land factor data in the chart data and topographic map data, according to the land of the topographic map
Factor data merges the geographic information data of the topographic map and sea chart.
5. the fusing device of a kind of topographic map data and chart data characterized by comprising
Fusion Module is encoded, for the volume according to information of the ground map element standard and chart data standard fusion topographic map and sea chart
Code;
Data fusion module, for the geographic information data according to topographic map described in the data fusion of intertidal zone and sea chart.
6. device according to claim 5, which is characterized in that the coding Fusion Module, comprising:
Geographic element matching unit, for inquiring topographic map basic geographic elements, by the element of sea chart and topographic map fundamental geological
Element is matched;
The coding Fusion Module, is used for:
When geographical attribute of object includes at least two attribute in the sea chart, according to geographical at least two attribute of object target
It is matched with topographic map basic geographic elements;If at least two attributes match is same category, according to described same
One classification is merged with the topographic map basic geographic elements;
When geographical attribute of object includes at least two attribute in the sea chart, if at least two attribute induction is difference
When class, the geographical object mark is matched in conjunction with geographical attribute of object with the topographic map basic geographic elements.
7. device according to claim 6, which is characterized in that the geographic element matching unit is used for:
When that can not be matched there are the geographical object mark in sea chart with topographic map basic geographic elements, according to the geographical object target of sea chart
It is defined in corresponding classification and adds new factor kind, the corresponding classification has class at the same level arranged side by side and can be integrated into one
In the classification of rank;
The geographic element matching unit is used for:
New factor kind is added after last of the corresponding classification.
8. device according to claim 5, which is characterized in that the data fusion module is used for:
When including identical coastline data in the chart data and topographic map data, according to the seashore line number of the sea chart
According to the geographic information data for merging the topographic map and sea chart;
The data fusion module is used for:
When including identical land factor data in the chart data and topographic map data, according to the land of the topographic map
Factor data merges the geographic information data of the topographic map and sea chart.
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