CN107194709A - A kind of method that agricultural product are tracked and reviewed by space and time dimension - Google Patents
A kind of method that agricultural product are tracked and reviewed by space and time dimension Download PDFInfo
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Abstract
The present invention proposes a kind of method that agricultural product are tracked and reviewed by space and time dimension.The growth of agricultural product need to have a specific locus and time cycle.By the whole growth cycle of agricultural product, it is decomposed into multiple timing nodes, each corresponding spatiality of timing node is expressed by model, the minimum administrative unit of agricultural product is made basic model data by each model containing an exclusive identification code, with an agricultural product for minimum administrative unit, multiple models are had under different time node, they have different time attributes, and corresponding space attribute, and the exclusive identification code of these models is consistent.The uniqueness of minimum administrative unit agricultural product is by unique mark code labeling, and deletion, loading in passage time dimension to identical exclusive identification code model realize the tracking of agricultural product with reviewing.
Description
Technical field
It is real by being managed to agricultural product space and time dimension the invention belongs to agricultural product tracking and trace field
Existing agricultural product tracking and a kind of method reviewed.
Background technology
In recent years, because the growing environment of agricultural product is by soil, air pollution, artificial substantial amounts of use agricultural chemicals, accelerate the ripening
Agent, antibiotic etc., food security Frequent Accidents have seriously endangered the health of people, food-safety problem of the public to agricultural product
Increasingly pay attention to, but for the agricultural product such as nuisanceless, green, organic on the market, also make its dazzled, it is special to its discrimination
Industry is strong, and the general public seems that some are unable to do what one wishes in differentiation procedure.Public expectations agricultural product information can transparent disclosure, true
It is real, the information such as its growing environment, logistics progress, food security grade detailed can be inquired, by the traceability system of agricultural product, when
When consumers' rights and interests are encroached in generation, it can effectively carry out right-safeguarding and call to account, so that the guarantee that the food security to the public can be more one layer.Build
The tracking of vertical agricultural product and traceability system, can allow consumer more comprehensively to understand agricultural product information, the transparence of information can be more
The rights and interests of the good guarantee public, while can also allow agricultural product manufacturing enterprise to lift the market competitiveness and brand recognition.
Agricultural product track the meaning with traceability system, and its information is recorded exactly during the entire process of agricultural product,
When there are quality problems, the sources of agricultural product, the link of approach, whereabouts can be quickly traced, is recalled if necessary, by
This improves the food security of agricultural product.
The content of the invention
The present invention proposes a kind of method that agricultural product are tracked and reviewed by space and time dimension.Agricultural product
Growth need to have a specific locus, specific growth cycle.By the whole growth cycle of agricultural product, it is decomposed into multiple
Timing node, the corresponding spatiality of each timing node, attribute information are expressed by model, and each model contains one
Exclusive identification code, basic model data, the agricultural product of minimum administrative unit, in difference are made with the minimum administrative unit of agricultural product
Multiple models are had under timing node, they have different time attributes and a corresponding space attribute, but these models is unique
Identification code is consistent.The uniqueness of minimum administrative unit agricultural product is identified by exclusive identification code, right in passage time dimension
The displaying of identical exclusive identification code model, realizes the tracking of agricultural product with reviewing.
In order to realize the above, the present invention proposes following technical scheme：It is a kind of that space and time dimension are passed through to agricultural product
The method for being tracked and reviewing is spent, its content comprises the following steps：
S1, builds three-dimensional geographic information platform；
S2, typing Fundamental Geographic Information Data and agricultural product attribute information；
S3, the displaying of Fundamental Geographic Information Data and agricultural product attribute information.
Three-dimensional geographic information platform is built in the S1, platform is to digital orthophoto map（DOM）, model data managed
Reason, realizes DOM, the storage of model data, they is shown when browsing.DOM is objectively recorded as remote sensing image data
Present situation atural object, model data contains space attribute, can effectively be loaded on DOM relevant positions, intuitively express model
Locus.
Three-dimensional geographic information platform is built in the S1, platform is to digital orthophoto map（DOM）, digital elevation model
（DEM）, model data be managed, realize DOM, DEM, the storage of model data, when browsing, DOM and DEM superposition cause field
Scape mesorelief has a fluctuation effect, and DOM, dem data the objective record space of present situation atural object, elevation information, model data also contain
There is spatial information, the Additive Model in terrain scene can intuitively show the spatial relationship between model and landform.
Three-dimensional geographic information platform is built in the S1, platform is to digital orthophoto map（DOM）, model data, pass through
Time dimension is managed, and DOM, model data have time attribute.DOM has temporal resolution, is that same place is carried out
The time interval of remote sensing sampling.Model also has the object in time attribute, real world to be expressed by model, in order to detailed
The difference of object space attribute on different time node is given expression to, corresponding model can be done according to different time node to object
Data.After DOM, model data storage, dragging time shaft is browsed, over time the difference of node, the corresponding DOM of platform loading,
Model data.
Three-dimensional geographic information platform is built in the S1, platform is to digital orthophoto map（DOM）, digital elevation model
（DEM）, model data, passage time dimension is managed, and DOM, DEM, model data have time attribute, and DOM, DEM have the time
Resolution attribute, model has time-space attribute, after there are corresponding DOM, DEM, model data, data loading at different time points,
The difference of node over time when browsing, platform loads corresponding DOM, DEM, model data.
Three-dimensional geographic information platform is built in the S1, when platform dragging time shaft is browsed, loading meets current time section
The DOM of point, DEM, model data, in current time node, the data after all timing nodes are not loaded with, during for this
Before intermediate node, when the multiple DOM of same terrain and its features correspondence, DEM, model data, in load time dimension and current time
The immediate data of node.
The model data in three-dimensional geographic information platform, platform is built in the S1 exclusive identification code, and model is to thing
A kind of expression of the body on space-time, object has uniqueness, and corresponding model is identified using exclusive identification code, when the object is new
Under space-time, there is new time-space attribute, but its exclusive identification code is constant.Multiple moulds can be used under different time node with an object
Type is expressed, and the time attribute of each model is different, also there is a corresponding space attribute, but the exclusive identification code of these models is one
Cause, platform chooses a certain model, parses its exclusive identification code, and all model indexs containing the exclusive identification code are come out,
Dragging time shaft is when browsing, and loading meets the model of current time node, it can be seen that the change of model node over time, can exist
Deleted on corresponding locus, loading is operated, that is, realize the tracking of model and review.
The S2 typings Fundamental Geographic Information Data and agricultural product attribute information, Fundamental Geographic Information Data have DOM, DEM,
DOM, the dem data of typing different time resolution ratio, agricultural product attribute information are expressed by model data, and agricultural product have space-time
Attribute, different time node has different model datas, and their space attribute is according to agricultural product in different time node correspondence
Locus, growth conditions be described, agricultural product platform minimum administrative unit as modeling foundation, and with unique
Identification code is identified, for the agricultural product model identical exclusive identification code of minimum administrative unit.Agricultural product are at each
Intermediate node Data Enter is more detailed, the tracking of agricultural product and reviews also more accurate.
The displaying of the S3 Fundamental Geographic Information Datas and agricultural product attribute information, the attribute information of agricultural product has unique mark
Know code, time attribute, space attribute, minimum administrative unit agricultural product have a new time-space attribute under new space-time, but it
Exclusive identification code is constant, and multiple models, and corresponding space attribute are had under different time node, clear by dragging time shaft
When looking at, loading meets the Fundamental Geographic Information Data and agricultural product model data of current time node, in current time node, institute
There are the Fundamental Geographic Information Data after the timing node, model to be not loaded with, before the timing node, same minimum management
Unit is to that should have in multiple models, load time dimension and the immediate Fundamental Geographic Information Data of current time node, mould
Type data.
The displaying of the S3 Fundamental Geographic Information Datas and agricultural product attribute information, the attribute information of agricultural product has unique mark
Know code, time attribute, space attribute, minimum administrative unit agricultural product have a new time-space attribute under new space-time, but it
Exclusive identification code is constant, and multiple models, and corresponding space attribute are had under different time node, and platform chooses a certain mould
Type, parses its exclusive identification code, and all model indexs containing the exclusive identification code are come out, when dragging time shaft is browsed, plus
Carry and meet the Fundamental Geographic Information Data and model of current time node, it can be seen that the change of model node over time, can exist
Loaded on corresponding Fundamental Geographic Information Data.By the displaying of agricultural product attribute information, realize the agricultural product with
Track and review.
The present invention proposes a kind of method that agricultural product are tracked and reviewed by space and time dimension, and it is wrapped
Include：
Three-dimensional geographic information platform is built, platform can be managed to the DOM containing time attribute, DEM, model data, be put in storage, led to
When crossing dragging time shaft and browsing, loading meets the DOM, DEM, model data of current time node.Typing Fundamental Geographic Information System number
According to agricultural product attribute information, agricultural product attribute expressed by model data, and model contains exclusive identification code and time-space attribute.
By the displaying to Fundamental Geographic Information Data and agricultural product attribute information, the agricultural product containing identical exclusive identification code are carried out clear
Look at, realize the tracking of agricultural product with reviewing.
The present invention has advantages below：1st, agricultural product are tracked and reviewed by three-dimensional geographic information, intuitively table
The spatial positional information of agricultural product has been reached, and these geospatial locations are real, support consumer to be checked to scene on the spot.
2nd, when quality problems occur in agricultural product, by trace analysis, the whereabouts of problem agricultural product is found out, can effectively be recalled, and lead to
Retrospective analysis is crossed, corresponding person liable is found out, accomplishes that responsibility is apparent, the transparency of agricultural product information is improved.3rd, consumer can be allowed
The information of agricultural product is more fully understanded, the transparence of information can preferably ensure food safety, while can also allow agricultural product to give birth to
Produce enterprise and improve the market competitiveness, lifting brand recognition.
Brief description of the drawings
Fig. 1 is global DOM data displays schematic diagram.
Fig. 2 is global DOM and dem data superposition displaying schematic diagram.
Fig. 3 is national DOM data displays schematic diagram.
Fig. 4 is national DOM and dem data superposition displaying schematic diagram.
Fig. 5 is City-level DOM data display schematic diagrames.
Fig. 6 is City-level DOM and dem data superposition displaying schematic diagram.
Fig. 7 is local DOM data displays schematic diagram.
Fig. 8 is local DOM and dem data superposition displaying schematic diagram.
Fig. 9 is that dragging time shaft is browsed under same spatial location, 7 months 2014 nodes load corresponding DOM,
DEM, model data.
Figure 10 is that dragging time shaft is browsed under same spatial location, 7 months 2015 nodes load corresponding DOM,
DEM, model data.
Figure 11 is that dragging time shaft is browsed under same spatial location, 7 months 2016 nodes load corresponding DOM,
DEM, model data.
Figure 12 is to be retrieved model dragging time shaft by exclusive identification code to browse, and loads 7 months 2016 nodes
Under data.
Figure 13 is to be retrieved model dragging time shaft by exclusive identification code to browse, and loads 1 month 2017 node
Under data.
Figure 14 is to be retrieved model dragging time shaft by exclusive identification code to browse, and loads 7 months 2017 nodes
Under data.
Embodiment
Below in conjunction with the accompanying drawing of the present invention, the technical scheme that the present invention is implemented is described in detail.
The present invention proposes a kind of method that agricultural product are tracked and reviewed by space and time dimension, during utilization
Empty geographic information system technology, realizes the collection, storage, the pipe of display of Fundamental Geographic Information Data and agricultural product model data
Reason.The growth of agricultural product need to have a specific locus and time cycle.By the whole growth cycle of agricultural product, it is decomposed into
Multiple timing nodes, the corresponding spatiality of each timing node is expressed by model, and each model is unique containing one
Identification code, basic model data are made by the minimum administrative unit of agricultural product, with an agricultural product for minimum administrative unit, in difference
Multiple models are had under timing node, they have different time attributes, and corresponding space attribute, unique mark of these models
It is consistent to know code.The uniqueness of minimum administrative unit agricultural product is marked by exclusive identification code, right in passage time dimension
The dynamic load of identical exclusive identification code model, realizes the tracking of agricultural product with reviewing.
To achieve these goals, the present invention proposes following technical scheme：It is a kind of that space and time dimension are passed through to agricultural product
The method for being tracked and reviewing is spent, its content comprises the following steps：
S1, builds three-dimensional geographic information platform；
S2, typing Fundamental Geographic Information Data and agricultural product attribute information；
S3, the displaying of Fundamental Geographic Information Data and agricultural product attribute information.
Three-dimensional geographic information platform is built in the S1, platform is to digital orthophoto map（DOM）, model data managed
Reason, realizes DOM, the storage of model data, it is shown when browsing.DOM objectively have recorded as remote sensing image data
Present situation atural object, model data contains space attribute, can effectively be loaded on DOM relevant positions so that unite both locus
One, the locus of model is intuitively expressed, such as Fig. 1, Fig. 3, Fig. 5, Fig. 7 show respectively the whole world, national level, City-level, city
The local DOM data display effects in city.
Three-dimensional geographic information platform is built in the S1, platform is to digital orthophoto map（DOM）, digital elevation model
（DEM）, model data be managed, realize DOM, DEM, the storage of model data, when browsing, DOM and DEM superposition cause field
Scape mesorelief has a fluctuation effect, and DOM, dem data the objective record space of present situation atural object, elevation information, model data also contain
There are locus, elevation information, the Additive Model in terrain scene can intuitively show the spatial relationship between model and landform.
Such as Fig. 2, Fig. 4, Fig. 6, Fig. 8, the whole world, national level, City-level, the DOM of city part and dem data superposition displaying show respectively
Effect.By DOM and DEM superposition displayings, scene mesorelief has fluctuation effect, and hypsography effect is as shown in Fig. 6, Fig. 8.
Three-dimensional geographic information platform is built in the S1, platform is to digital orthophoto map（DOM）, model data, pass through
Time dimension is managed, and DOM, model data have time attribute.DOM has temporal resolution, is that same place is carried out
The time interval of remote sensing sampling.Model also has the object in time attribute, real world to be expressed by model, in order to detailed
The difference of object space attribute on different time node is given expression to, corresponding model can be done according to different time node to object
Data.After DOM, model data storage, dragging time shaft is browsed, over time the difference of node, the corresponding DOM of platform loading,
Model data.
Three-dimensional geographic information platform is built in the S1, platform is to digital orthophoto map（DOM）, digital elevation model
（DEM）, model data, passage time dimension is managed, and DOM, DEM, model data have time attribute, and DOM, DEM have the time
Resolution attribute, model has time-space attribute, after there are corresponding DOM, DEM, model data, data loading at different time points,
The difference of node over time when browsing, platform loads corresponding DOM, DEM, model data.As shown in Fig. 9, Figure 10, Figure 11,
Agricultural product model data time attribute is respectively in July, 2014, in July, 2015, in July, 2016, agricultural product pushing away over time
Shifting progressively grows, and corresponding model data also changes, browsing on passage time axle, can view agricultural product at some
The upgrowth situation of timing node.
Three-dimensional geographic information platform is built in the S1, when platform dragging time shaft is browsed, loading meets current time section
The DOM of point, DEM, model data, in current time node, the data after all timing nodes are not loaded with, during for this
Before intermediate node, when the multiple DOM of same terrain and its features correspondence, DEM, model data, in load time dimension and current time
The immediate data of node.As shown in Fig. 9, Figure 10, Figure 11, for same agricultural product in different time node, their growth
Locus is identical, and the space attribute of model is also identical, but time attribute is different, and the time attribute of such as model is respectively
In July, 2014, in July, 2015, in July, 2016, when dragging time shaft is browsed, the data after all timing nodes are not added with
Carry, before the timing node, loading and the nearest model data of current time node, Fig. 9, Figure 10, Figure 11, during loading
Between attribute be respectively in July, 2014, in July, 2015, the model data in July, 2016, browsed, reached dynamic by dragging time shaft
The effect of state stress model data, simulates the effect of agricultural product growth.
The model data in three-dimensional geographic information platform, platform is built in the S1 exclusive identification code, and model is to thing
A kind of expression of the body on space-time, object has uniqueness, and corresponding model is identified using exclusive identification code, when the object is new
Under space-time, there is new time-space attribute, but its exclusive identification code is constant.Multiple moulds are had under different time node with an object
Type is expressed, and the time attribute of each model is different, also there is a corresponding space attribute, but the exclusive identification code of these models is one
Cause, platform chooses a certain model, parses its exclusive identification code, and all model indexs containing the exclusive identification code are come out,
Dragging time shaft is when browsing, and loading meets the model of current time node, it can be seen that the change of model node over time, can exist
Delete, load on corresponding locus, that is, realize the tracking of model and review.As shown in figure 12, by choosing a certain mould
Type, parses its exclusive identification code, and the model index of all exclusive identification codes is come out, and is loaded into the display effect of scene,
Time shaft is dragged again, and loading meets the model data of current time node, as shown in figure 13, under new timing node, these
Identical exclusive identification code model is deleted on additional space position, loaded, it is achieved thereby that the tracking of agricultural product is with reviewing effect.
The S2 typings Fundamental Geographic Information Data and agricultural product attribute information, Fundamental Geographic Information Data have DOM, DEM,
DOM, the dem data of typing different time resolution ratio, agricultural product attribute information are expressed by model data, and agricultural product have space-time
Attribute, different time node has different model datas, and their space attribute is according to agricultural product in different time node correspondence
Locus, growth conditions be described, agricultural product platform minimum administrative unit as modeling foundation, and with unique
Identification code is identified, and has identical exclusive identification code for the agricultural product model of minimum administrative unit.Agricultural product are at each
Intermediate node Data Enter is more detailed, the tracking of agricultural product and reviews also more accurate.Agricultural production in such as Figure 12, Figure 13, Figure 14, scene
Product model data contains agricultural product model in identical exclusive identification code, Figure 12 and Figure 13 under different time attribute, space
Position changes.DOM data in Figure 13 and Figure 14 load the DOM of different time resolution ratio under different time attributes
Data.
The displaying of the S3 Fundamental Geographic Information Datas and agricultural product attribute information, the attribute information of agricultural product has unique mark
Know code, time attribute, space attribute, with a minimum administrative unit agricultural product under new space-time, have new time-space attribute, but
Its exclusive identification code is constant, multiple models, and corresponding space attribute is had under different time node, by dragging the time
When axle is browsed, loading meets the Fundamental Geographic Information Data and agricultural product model data of current time node, when current
During intermediate node, Fundamental Geographic Information Data, model after all timing nodes are not loaded with, before the timing node,
Same minimum administrative unit is to that should have the fundamental geological letter that in multiple models, load time dimension and current time node is nearest
Cease data, model data.
The displaying of the S3 Fundamental Geographic Information Datas and agricultural product attribute information, the attribute information of agricultural product has unique mark
Know code, time attribute, space attribute, with a minimum administrative unit agricultural product under new space-time, have new time-space attribute, but
Its exclusive identification code is constant, multiple models, and corresponding space attribute is had under different time node, platform is chosen a certain
Model, parses its exclusive identification code, and all model indexs containing the exclusive identification code are come out, when dragging time shaft is browsed,
Loading meets the Fundamental Geographic Information Data and model of current time node, it can be seen that the change of model node over time, meeting
Deleted, loaded on corresponding Fundamental Geographic Information Data.By the displaying of agricultural product attribute information, the agricultural production is realized
The tracking of product and review.
The present invention proposes a kind of method that agricultural product are tracked and reviewed by space and time dimension, and it is wrapped
Include：
Three-dimensional geographic information platform is built, platform can be put in storage to the DOM containing time attribute, DEM, model data, store, show
The management shown, when being browsed by dragging time shaft, loading meets the DOM, DEM, model data of current time node.Typing basis
Geographic information data and agricultural product attribute information, agricultural product attribute are expressed by model data, and model contains exclusive identification code
And time-space attribute.By the displaying to Fundamental Geographic Information Data and agricultural product attribute information, to containing identical exclusive identification code
Agricultural product are browsed, and realize the tracking of agricultural product with reviewing.
The present invention has advantages below：1. agricultural product are tracked and reviewed by three-dimensional geographic information, it is directly perceived visual
That changes expresses the locus of agricultural product growth, and these locus are real, and consumer can arrive scene on the spot and check.
2. when quality problems occur in agricultural product, by trace analysis, the whereabouts of problem agricultural product is found out, can effectively be recalled, and lead to
Retrospective analysis is crossed, corresponding person liable is found out, accomplishes that responsibility is apparent, the quality of agricultural product can be improved.3. consumer can be allowed more
The information of agricultural product is understood in detail, and the transparence of information can preferably ensure food safety, while can also allow agricultural product to produce
Enterprise's lifting brand recognition, the raising market competitiveness.
Embodiment described above illustrate only the several embodiments of the present invention, but therefore can not be read as to this hair
The limitation of bright the scope of the claims.It should be pointed out that for those skilled in the art, before present inventive concept is not departed from
Put, some replacements and improvement can also be made, these belong to protection scope of the present invention.Therefore, the guarantor of patent of the present invention
Shield scope is determined by the appended claims.
Claims (10)
1. a kind of method that agricultural product are tracked and reviewed by space and time dimension, its feature includes：
S1, builds three-dimensional geographic information platform；
S2, typing Fundamental Geographic Information Data and agricultural product attribute information；
S3, the displaying of Fundamental Geographic Information Data and agricultural product attribute information.
2. according to the method described in claim 1, it is characterized in that, three-dimensional geographic information platform, platform logarithm are built in the S1
Word orthophotoquad（DOM）, model data be managed, realize DOM, the storage of model data, when browsing show DOM, model
Data.
3. according to the method described in claim 1, it is characterized in that, three-dimensional geographic information platform, platform logarithm are built in the S1
Word orthophotoquad（DOM）, digital elevation model（DEM）, model data be managed, realize that DOM, DEM, model data enter
Storehouse, shows the Overlapping display of DOM, DEM, model data, DEM and DOM so that scene mesorelief has fluctuation effect when browsing,
Additive Model data in terrain scene.
4. according to the method described in claim 1, it is characterized in that, three-dimensional geographic information platform, platform logarithm are built in the S1
Word orthophotoquad（DOM）, model data, passage time dimension is managed, and DOM, model data have time attribute, in difference
Timing node have after corresponding DOM, model data, data loading, the difference of node over time when browsing, platform loading phase
The DOM that answers, model data.
5. according to the method described in claim 1, it is characterized in that, three-dimensional geographic information platform, platform logarithm are built in the S1
Word orthophotoquad（DOM）, digital elevation model（DEM）, model data, passage time dimension is managed, DOM, DEM, mould
Type data have time attribute, and DOM, DEM have time resolution attribute, and model has time-space attribute, have accordingly at different time points
DOM, DEM, model data, after data loading, the difference of node over time when browsing, platform load corresponding DOM, DEM,
Model data.
6. according to the method described in claim 1, it is characterized in that, build three-dimensional geographic information platform in the S1, platform dragging
When time shaft is browsed, loading meets the DOM, DEM, model data of current time node, and DOM, DEM, model data have time category
Property, in current time node, the data after all timing nodes are not loaded with, before the timing node, same
DOM, DEM corresponding to terrain and its features, model data have multiple timing node attributes, in load time dimension and current time
Node closest to data.
7. according to the method described in claim 1, it is characterized in that, built in the S1 in three-dimensional geographic information platform, platform
Model data has exclusive identification code, and model is a kind of expression on space-time to object, and object has uniqueness, and corresponding model has
Exclusive identification code, when the object is under new space-time, there is new time-space attribute, but its exclusive identification code is constant, with an object
It can be expressed under different time node with multiple models, the time attribute of each model is different, and space attribute exists according to object
Corresponding locus is described under different time node, but the exclusive identification code of these models is consistent, and platform is chosen
A certain model, parses its exclusive identification code, and all model indexs containing the exclusive identification code are come out, and dragging time shaft is browsed
When, loading meets the model of current time node, it can be seen that the change of model node over time, can be in corresponding locus
Upper loading.
8. according to claim 1 to 7 any claim methods described, it is characterized in that, the S2 typings Fundamental Geographic Information System number
According to agricultural product attribute information, Fundamental Geographic Information Data has DOM, DEM, DOM, the dem data of typing different time resolution ratio,
Agricultural product attribute information is expressed by model data, and agricultural product have time-space attribute, and different time node has different pattern numbers
According to their space attribute is described according to agricultural product in the corresponding locus of different time node, growth conditions, agricultural production
Product platform minimum administrative unit as the foundation of modeling, and be identified, minimum managed for same with exclusive identification code
The agricultural product model identical exclusive identification code of unit.
9. according to claim 1 to 8 any claim methods described, it is characterized in that, the S3 Fundamental Geographic Information Datas and
The displaying of agricultural product attribute information, the attribute information of agricultural product has exclusive identification code, space attribute, time attribute, minimum with
Administrative unit agricultural product have new time-space attribute under new space-time, but its exclusive identification code is constant, in different time section
Multiple models are had under point, the space attribute of each model is described according to the locus of agricultural product, by dragging the time
When axle is browsed, loading meets the Fundamental Geographic Information Data and agricultural product model data of current time node, and agricultural product model has
Time attribute, in current time node, Fundamental Geographic Information Data, model after all timing nodes are not loaded with, right
Before the timing node, same minimum administrative unit is to that should have in multiple models, load time dimension and current time section
Point closest to Fundamental Geographic Information Data, model data.
10. according to claim 1 to 8 any claim methods described, it is characterized in that, the S3 Fundamental Geographic Information Datas and
The displaying of agricultural product attribute information, the attribute information of agricultural product has exclusive identification code, space attribute, time attribute, minimum with
Administrative unit agricultural product have new time-space attribute under new space-time, but its exclusive identification code is constant, in different time section
Multiple models are had under point, the space attribute of each model is described according to the locus of agricultural product, and platform is chosen a certain
Model, parses its exclusive identification code, and all model indexs containing the exclusive identification code are come out, when dragging time shaft is browsed,
Loading meets the Fundamental Geographic Information Data and model of current time node, it can be seen that the change of model node over time, meeting
Loaded on corresponding Fundamental Geographic Information Data.
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