CN105760618A - Target situation display method based on GIS (Geographic Information System) facing virtual process - Google Patents
Target situation display method based on GIS (Geographic Information System) facing virtual process Download PDFInfo
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Abstract
The invention discloses a target situation display method based on a GIS (Geographic Information System) facing a virtual process. The target situation display method comprises the following steps: establishing a display model of a target situation by layers through a GIS technology, wherein the display model comprises situation targets with position information, a communication relation between the situation targets, and conversion information of the position information of the situation targets and the communication relation; establishing an event stream model for virtual events influencing target situations by taking a time axis as standard, wherein the event stream model is used for describing an occurring process of the virtual events; establishing an influence analysis model for the various events influencing the situation targets, and giving statistics and sequencing of influences on the different events by taking a time period as a unit; and displaying data output by the display model of the target situations, the event stream model and the influence analysis model on a display terminal in a manner of graphs. According to the method disclosed by the invention, a layered multi-scale target situation display model can be utilized, so that the target situations can be displayed from different scales and fields.
Description
Technical field
The invention belongs to target situation display technique field, be specifically related to the target situation methods of exhibiting based on Virtual process geography GIS.
Background technology
It is in regular hour interval that target situation is shown, with geographical space for bearing space, the impact etc. of the physical object that geographical space carries is carried out overview display by the internal relation between the distribution of target, target, the running status of target, the variation tendency of dbjective state and object variations.The purpose shown be layered in visual mode, multiple dimensioned displaying target situation and variation tendency thereof, provide target situation information directly perceived, vivid, that readily appreciate to show for decision-maker.
Existing target situation methods of exhibiting can not carry out the visual presentation that layering is multiple dimensioned mostly, it is impossible to adapts under different scale, target situation information be shown, the ability of the Dynamic Display between the shortage overall situation-local；Tradition situation shows the amount of the seeing target application being mostly based on " figure ", it is impossible to the event affecting target situation carries out process playback, overall merit to event power of influence, thus what reduce the displaying of target situation gos deep into level of application.
Summary of the invention
In view of this, the invention provides the target situation methods of exhibiting based on Virtual process geography GIS, it is possible to use level multiscale target situation to show model, show target situation from same yardstick, different fields.
In order to achieve the above object, the technical scheme is that the target situation methods of exhibiting based on Virtual process geography GIS, comprise the following steps:
Step one, the geographical GIS technology layering of use set up the displaying model of target situation, and this displaying model includes the positional information with the communications and liaison relation between the situation target of positional information, situation target and situation target and the transitional information of communications and liaison relation.
Step 2, with time shaft for benchmark, giving affect the virtual events of target situation and sets up event flow model, for describing the process of virtual events generation.
Step 3, for affecting all kinds of event establishment power of influence analytical models of situation target, and in units of the time cycle, provide the sort method of different event power of influence.
Step 4, target situation shown that the data that model, event flow model and power of influence analytical model export show in the way of scheming at display terminal.
Further, step one, use the displaying model detailed process that target situation is set up in geographical GIS technology layering as follows:
The displaying model of step 1.1 target situation is tlv triple Sp={ N:P, L, A}.
Wherein, N to be positional information, P be situation target, N:P are be communications and liaison relation between situation target, A with the situation target of positional information, L is target location N and the transitional information of communications and liaison relation L.
Step 1.2 uses generalized information system that the situation of situation target is carried out visual description, and the displaying model that this kind of visual description adopts is Lr={Ncri+Npri,Lcpi,Acp}。
Wherein, according to showing that granularity is layered, the more high granularity of level is more thick, NcriIt is the situation target of the current display area of i-th layer, NpriIt is the situation target of the i-1 layer of i-th layer of current display area, Ncri+NpriIntersection is the interior all situation targets comprised of current display area of i-th layer；LcpiFor the communications and liaison relation between the current i-th layer situation target comprised；AcpFor Ncri+NpriAnd LcpiThe positional information of situation target and the transitional information of communications and liaison relation.
Further, the process of the event flow model in step 2 comprises the steps:
Step 2.1 builds the decomposition model E={e of virtual events E1,e2,…,en}；
Wherein, ei| i=1,2 ... n is the atomic event after the decomposition of event E, and n is the atomic event number after decomposing；
Step 2.2 builds virtual events stream driving model
Described virtual events stream driving model is for describing the situation of current target nodeBy the atomic event e of virtual eventsiWith destination node previous state AjCause.
Wherein, AjFor the situation attribute information of destination node, destination node is m kind situation altogether, j=[1,2 ..., m]；F () is the driving engine of the virtual events to logical order, adopts triggering probability to describe the probability driving engine to trigger.
Trigger probability matrix F ' and represent the triggering probability of each state；
Wherein, matrix element fxy(Aj,ei) represent destination node under the driving of virtual events E from previous state AyTransfer to current state AxTriggering probability, x=[1,2 ..., m], y=[1,2 ..., n].
Further, step 3 concrete steps include:
Step 3.1 target situation evaluation model adopts existing extension Bayesian Assessment model to describe；
Vnet=B (A, W, Q)
Wherein, A=[A1,.....Am] for all target situation A in current demand region1～AmAttribute information, W=[W1,.....Wm] for target situation A1～AmSignificance level weight preset value, Q=[Q1,.....Qm] for the characteristic information of objective management.
Step 3.2 virtual events power of influence analytical model adopts Analytic Network Process method to calculate power of influence Gt=f (Vnet,E)。
Wherein E is virtual events, the power of influence computational methods that f () is analytic hierarchy process (AHP) Network Based.
Step 3.3 affects grade by virtual events and different event is carried out power of influence sequence.
Further, the described display terminal in step 4 is the Special visible client-side program based on geographical GIS.
Beneficial effect:
(1) level multiscale target situation is used to show model, target situation can be shown from different yardsticks, different fields, adapt to the business personnel of different stage and decision-maker from each different angles object observing situation accurately, it is achieved displaying of giving prominence to the key points.
(2) with time shaft for benchmark, give the event establishment event flow model affecting target situation, describe the process that event occurs, the objective attribute target attribute (state change) of impact.Can be used for the condition that all kinds of virtual events of Accurate Analysis occurs, dependence etc., the inherent law of excavation event that therefrom can be convenient.
(3) set up the power of influence analytical model of virtual events, for analyzing the maximum value that event can reach, can be used for aid decision accurately.
(4) adopt C/S architecture design display systems, improve efficiency and performance that target situation is shown.
Accompanying drawing explanation
Fig. 1 is for being target situation displaying theory diagram.
Detailed description of the invention
Develop simultaneously embodiment below in conjunction with accompanying drawing, describe the present invention.
The present invention adopts C/S structure.Under this configuration, client is mainly used in target situation and shows, service end is mainly used in management and the pretreatment of extensive target situation data, in order to improve displaying efficiency.
The specific embodiment of the invention mainly comprises the steps that
Based on the target situation methods of exhibiting of Virtual process geography GIS, comprise the following steps:
Step one, the geographical GIS technology layering of use set up the displaying model of target situation, and this displaying model includes the positional information with the communications and liaison relation between the situation target of positional information, situation target and situation target and the transitional information of communications and liaison relation.
Use the displaying model detailed process that target situation is set up in geographical GIS technology layering as follows:
The displaying model of step 1.1 target situation is tlv triple Sp={ N:P, L, A}.
Wherein, N to be positional information, P be situation target, N:P are be communications and liaison relation between situation target, A with the situation target of positional information, L is target location N and the running state information of communications and liaison relation L.
Step 1.2 uses generalized information system that the situation of situation target is carried out visual description, and the displaying model that this kind of visual description adopts is Lr={Ncri+Npri,Lcpi,Acp}。
Wherein, according to showing that granularity is layered, the more high granularity of level is more thick, NcriIt is the situation target of the current display area of i-th layer, NpriIt is the situation target of the i-1 layer of i-th layer of current display area, Ncri+NpriIntersection is the interior all situation targets comprised of current display area of i-th layer；LcpiFor the communications and liaison relation between the current i-th layer situation target comprised；AcpFor Ncri+NpriAnd LcpiThe positional information of situation target and the transitional information of communications and liaison relation.
Step 2, with time shaft for benchmark, giving affect the virtual events of target situation and sets up event flow model, for describing the process of virtual events generation；The process of event flow model comprises the steps:
Step 2.1 builds the decomposition model E={e of virtual events E1,e2,…,en}。
Wherein, ei| i=1,2 ... n is the atomic event after the decomposition of event E, and n is the atomic event number after decomposing.
Step 2.2 builds virtual events stream driving model
Described virtual events stream driving model is for describing the situation of current target nodeBy the atomic event e of virtual eventsiWith destination node previous state AjCause.
Wherein, AjFor the situation attribute information of destination node, destination node is m kind situation altogether, j=[1,2 ..., m]；F () is the driving engine of the virtual events to logical order, adopts triggering probability to describe the probability driving engine to trigger.
Trigger probability matrix F ' and represent the triggering probability of each state.
Wherein, matrix element fxy(Aj,ei) represent destination node under the driving of virtual events E from previous state AyTransfer to current state AxTriggering probability, x=[1,2 ..., m], y=[1,2 ..., n], this triggering probability according to historical data statistical result, simulation result of calculation and expertise determine.
Step 3, for affecting all kinds of event establishment power of influence analytical models of situation target, and in units of the time cycle, provide the sort method of different event power of influence；
Concrete steps include:
Step 3.1 target situation evaluation model adopts existing extension Bayesian Assessment model to describe；
Vnet=B (A, W, Q)
Wherein, A=[A1,…..Am] for all target situation A in current demand region1～AmAttribute information, W=[W1,…..Wm] for target situation A1～AmSignificance level weight preset value, Q=[Q1,…..Qm] for the characteristic information of objective management.
Step 3.2 virtual events power of influence analytical model adopts existing Analytic Network Process method to calculate power of influence Gt=f (Vnet,E)；
Wherein E is virtual events, the power of influence computational methods that f () is analytic hierarchy process (AHP) Network Based；
Step 3.3 affects grade by virtual events and different event is carried out power of influence sequence.
Step 4, target situation shown that the data that model, event flow model and power of influence analytical model export show in the way of scheming at display terminal.Display terminal is the Special visible client-side program based on geographical GIS.
Based on the target situation display systems of Virtual process geography GIS, C Plus Plus is adopted to write.
Fig. 1 is the general frame of the target situation display systems of the present invention.In FIG, input information is that target situation shows required data result data after Situation Awareness processes；Model data process be primarily referred to as according to the model specified to input data prediction, formed can be directly used for show data, main models have layering multi-Scale Data model, object effects power computation model, virtual events event flow model；Displaying processes and mainly the target situation information of graphic software platform is carried out symbolization, the Special display effect of destination node data mode change, the special effect processing of event flow model Atom event result and display；Finally, target situation displaying is carried out by man-machine interaction according to operation flow.
To sum up, these are only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (5)
1. based on the target situation methods of exhibiting of Virtual process geography GIS, it is characterised in that comprise the following steps:
Step one, the geographical GIS technology layering of use set up the displaying model of target situation, and this displaying model includes the positional information with the communications and liaison relation between the situation target of positional information, situation target and situation target and the transitional information of communications and liaison relation；
Step 2, with time shaft for benchmark, giving affect the virtual events of target situation and sets up event flow model, for describing the process of virtual events generation；
Step 3, for affecting all kinds of event establishment power of influence analytical models of situation target, and in units of the time cycle, provide the sort method of different event power of influence；
Step 4, target situation shown that the data that model, event flow model and power of influence analytical model export show in the way of scheming at display terminal.
2. the target situation methods of exhibiting based on Virtual process geography GIS as claimed in claim 1, it is characterised in that described step one, uses the displaying model detailed process that target situation is set up in geographical GIS technology layering as follows:
The displaying model of step 1.1 target situation is tlv triple Sp={ N:P, L, A}；
Wherein, N to be positional information, P be situation target, N:P are be communications and liaison relation between situation target, A with the situation target of positional information, L is target location N and the transitional information of communications and liaison relation L；
Step 1.2 uses generalized information system that the situation of situation target is carried out visual description, and the displaying model that this kind of visual description adopts is Lr={Ncri+Npri,Lcpi,Acp}；
Wherein, according to showing that granularity is layered, the more high granularity of level is more thick, NcriIt is the situation target of the current display area of i-th layer, NpriIt is the situation target of the i-1 layer of i-th layer of current display area, Ncri+NpriIntersection is the interior all situation targets comprised of current display area of i-th layer；LcpiFor the communications and liaison relation between the current i-th layer situation target comprised；AcpFor Ncri+NpriAnd LcpiThe positional information of situation target and the transitional information of communications and liaison relation.
3. the target situation methods of exhibiting based on Virtual process geography GIS as claimed in claim 1, it is characterised in that the process of the event flow model in described step 2 comprises the steps:
Step 2.1 builds the decomposition model E={e of virtual events E1,e2,…,en}；
Wherein, ei| i=1,2 ... n is the atomic event after the decomposition of event E, and n is the atomic event number after decomposing；
Step 2.2 builds virtual events stream driving model
Described virtual events stream driving model is for describing the situation of current target nodeBy the atomic event e of virtual eventsiWith destination node previous state AjCause；
Wherein, AjFor the situation attribute information of destination node, destination node is m kind situation altogether, j=[1,2 ..., m]；F () is the driving engine of the virtual events to logical order, adopts triggering probability to describe the probability driving engine to trigger；
Trigger probability matrix F ' and represent the triggering probability of each state；
Wherein, matrix element fxy(Aj, ei) represent destination node under the driving of virtual events E from previous state AyTransfer to current state AxTriggering probability, x=[1,2 ..., m], y=[1,2 ..., n].
4. the target situation methods of exhibiting based on Virtual process geography GIS as claimed in claim 1, it is characterised in that described step 3 concrete steps include:
Step 3.1 target situation evaluation model adopts existing extension Bayesian Assessment model to describe；
Vnet=B (A, W, Q)
Wherein, A=[A1,.....Am] for all target situation A in current demand region1～AmAttribute information, W=[W1,.....Wm] for target situation A1～AmSignificance level weight preset value, Q=[Q1,.....Qm] for the characteristic information of objective management；
Step 3.2 virtual events power of influence analytical model adopts Analytic Network Process method to calculate power of influence Gt=f (Vnet,E)；
Wherein E is virtual events, the power of influence computational methods that f () is analytic hierarchy process (AHP) Network Based；
Step 3.3 affects grade by virtual events and different event is carried out power of influence sequence.
5. the target situation methods of exhibiting based on Virtual process geography GIS as claimed in claim 1, it is characterised in that the described display terminal in step 4 is the Special visible client-side program based on geographical GIS.
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| CN111125238A (en) * | 2019-12-25 | 2020-05-08 | 中国人民解放军63920部队 | Display data processing method and device |
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