CN103308057A - Map vehicle icon refreshing method based on high-capacity monitoring system - Google Patents
Map vehicle icon refreshing method based on high-capacity monitoring system Download PDFInfo
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- CN103308057A CN103308057A CN2013102553141A CN201310255314A CN103308057A CN 103308057 A CN103308057 A CN 103308057A CN 2013102553141 A CN2013102553141 A CN 2013102553141A CN 201310255314 A CN201310255314 A CN 201310255314A CN 103308057 A CN103308057 A CN 103308057A
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Abstract
The invention provides a map vehicle icon refreshing method based on a high-capacity monitoring system. The method comprises the following steps of: reporting respective GPS (global position system) positioning data of each vehicle, receiving and analyzing each GPS positioning data by a business data server, and reporting to a monitoring terminal; and determining whether each GPS positioning data needs be refreshed by the monitoring terminal one by one, if yes, enabling the GPS positioning data to enter a GPS data queue to be refreshed, if the GPS data queue to be refreshed has the GPS positioning data corresponding to the previous GPS positioning data of the vehicle, updating the GPS positioning data of the corresponding vehicle in the GPS data queue to be refreshed, firstly cancelling the previous GPS positioning data, and inserting the GPS positioning data into the GPS data queue to be refreshed. After the method provided by the invention is used, the problem that the system is blocked since the system performance uses up caused by the refreshment of a map vehicle icon of the high-capacity monitoring system can be effectively solved, and an original function effect for refreshing the vehicle icon can not be influenced.
Description
Technical field
The present invention relates to a kind of map vehicle icon method for refreshing based on big capacity monitor system.
Background technology
In the vehicle GPS supervisory system, it is one of topmost function that the vehicle GPS data refresh in system's map in real time, can represent the real time position of vehicle in map intuitively and distribute and current information of vehicles, but the map icon that refreshes each car in jumbo vehicle GPS supervisory system in real time is bigger to the consumption of system performance.Everybody way is at present: the gps data of each vehicle arrives and will go to refresh position icon and the information thereof of this vehicle on map.Under the less situation of vehicle GPS equipment access amount, this kind method can't have bigger influence to the vehicle GPS supervisory system, when but the vehicle GPS number of devices that inserts when the vehicle GPS supervisory system is big, because the high-frequency vehicle icon that refreshes can cause the vehicle GPS monitor system performance to descend, even produces unusual situation.A difficult problem of improving this shortcoming is: how do not influencing the refreshing frequency that reduces vehicle under the vehicle GPS data refresh effect in real time at system's map the situation, refreshing considerable influence to system performance to reduce icon.
Summary of the invention
The technical problem to be solved in the present invention, be to provide a kind of map vehicle icon method for refreshing based on big capacity monitor system, the map vehicle icon that solves big capacity monitor system effectively refreshes the system performance that causes and exhausts stuck problem, has guaranteed not influence vehicle icon again simultaneously and has refreshed original functional effect.
The present invention is achieved in that
Map vehicle icon method for refreshing based on big capacity monitor system comprises the steps:
Step 1, each vehicle report GPS locator data separately, a business datum server receive and resolve each GPS locator data after report to monitor terminal;
Step 2, described monitor terminal obtain map attribute data and judge one by one whether each GPS locator data needs to refresh by map interface, then refresh if desired, this GPS locator data is refreshed icon and represent in map by the map processing unit, and with this GPS locator data all GPS locator datas of corresponding vehicle delete from waiting to refresh the gps data formation, otherwise this GPS locator data entered wait to refresh the gps data formation, execution in step 3;
If waiting to refresh the gps data formation, step 3 had the previous GPS locator data of the corresponding vehicle of this GPS locator data, then upgrade this correspondence vehicle in the GPS locator data of waiting to refresh the gps data formation, with the deletion of previous GPS locator data, otherwise this GPS locator data is inserted into the end of formation.
Further, when current map window carries out the field range variation, execution in step 4: described monitor terminal extracts first the GPS locator data of waiting to refresh in the gps data formation, judge then whether this GPS locator data needs to refresh, then refresh if desired, this GPS locator data is refreshed icon and represent in map by the map processing unit, and this GPS locator data is deleted from waiting to refresh the gps data formation; As not needing, then do not refresh and keep this GPS locator data in the gps data formation waiting to refresh; After finishing the processing of first GPS locator data, by that analogy, continue to extract next bar GPS locator data and judge whether and to refresh, until waiting that refreshing whole extraction of gps data formation finishes, return step 1, receive and handle new GPS locator data.
Further, in described step 2 and the step 4, the judgment mode whether the GPS locator data needs to refresh is: a threshold value is set, when the displaying ratio chi of map during less than this threshold value, then being judged to be does not need to refresh, because it is very little that the gps data that reports up with the situation of the speed of a motor vehicle changes in map, be helpless to naked eyes and judge that vehicle location moves, so need not to upgrade; When the displaying ratio chi of map greater than this threshold value, and this GPS locator data meets one of following two kinds of situations, then be judged to be and need refresh, otherwise being judged to be do not need to refresh;
The vehicle of situation one, this GPS locator data correspondence is before refreshing, and the map icon of vehicle is in current map window within sweep of the eye;
The vehicle location of situation two, this GPS locator data correspondence is in current map window within sweep of the eye.
Further, describedly wait to refresh the gps data queue stores and wait to refresh in the gps data unit in one, describedly wait to refresh the gps data unit and be located at described monitor terminal, be used for each vehicle of caching system and do not carry out the GPS locator data that the map vehicle icon refreshes as yet.
Further, described map processing unit is located on the described monitor terminal.
Further, the map attribute data in the described step 2 comprises current map window map within the vision and vehicle location and map scale.
The present invention has following advantage: monitor terminal judges whether the GPS locator data that receives earlier need refresh to map, refresh again if desired, wait to refresh the gps data formation if do not need then be updated to, effectively reduce the refreshing frequency of vehicle, reduce icon and refresh the influence that system performance is caused.Simultaneously, in combination map scale and refresh preceding or refresh after vehicle location judge whether to need to refresh, only carry out necessary refreshing with this control system, greatly reduce system overhead, the Hoisting System travelling speed.
Description of drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is schematic flow sheet of the present invention.
Schematic flow sheet when Fig. 2 changes for map window field range of the present invention.
Fig. 3 is structural representation of the present invention.
Embodiment
See also Fig. 1, the map vehicle icon method for refreshing based on big capacity monitor system comprises the steps:
Step 1, each vehicle report GPS locator data separately, the business datum server receive and resolve each GPS locator data after report to monitor terminal;
Step 2, described monitor terminal obtain map attribute data and judge one by one whether each GPS locator data needs to refresh by map interface, then refresh if desired, this GPS locator data is refreshed icon and represent in map by the map processing unit, and with this GPS locator data all GPS locator datas of corresponding vehicle delete from waiting to refresh the gps data formation, otherwise this GPS locator data entered wait to refresh the gps data formation, execution in step 3; Described map attribute data comprises current map window map within the vision and vehicle location and map scale;
If waiting to refresh the gps data formation, step 3 had the previous GPS locator data of the corresponding vehicle of this GPS locator data, then upgrade this correspondence vehicle in the GPS locator data of waiting to refresh the gps data formation, with the deletion of previous GPS locator data, otherwise this GPS locator data is inserted into the end of formation.
See also Fig. 2, when current map window carries out the field range variation, execution in step 4: described monitor terminal extracts first the GPS locator data of waiting to refresh in the gps data formation, judge then whether this GPS locator data needs to refresh, then refresh if desired, this GPS locator data is refreshed icon and represent in map by the map processing unit, and this GPS locator data is deleted from waiting to refresh the gps data formation; As not needing, then do not refresh and keep this GPS locator data in the gps data formation waiting to refresh; After finishing the processing of first GPS locator data, by that analogy, continue to extract next bar GPS locator data and judge whether and to refresh, until waiting that refreshing whole extraction of gps data formation finishes, return step 1, receive and handle new GPS locator data.
In described step 2 and the step 4, the judgment mode whether the GPS locator data needs to refresh is: a threshold value is set, when the displaying ratio chi of map during less than this threshold value, then being judged to be does not need to refresh, because the gps data that reports up with the situation of the speed of a motor vehicle changes very little in map, be helpless to naked eyes and judge that vehicle location moves, so need not to upgrade, for example, current field range is the whole of China, there is a car to run in Tianjin, gps data has change, but from current map window, change is less than one millimeter, the imperceptible variation of naked eyes is so need not to upgrade; When the displaying ratio chi of map greater than this threshold value, and this GPS locator data meets one of following two kinds of situations, then be judged to be and need refresh, otherwise being judged to be do not need to refresh;
The vehicle of situation one, this GPS locator data correspondence is before refreshing, and the map icon of vehicle is in current map window within sweep of the eye; The purpose of doing like this is that therefore the no longer current map window of the corresponding vehicle location of GPS locator data, must refresh current map window existing vehicle within the vision within sweep of the eye at this moment, could accurately show vehicle location;
The vehicle location of situation two, this GPS locator data correspondence is in current map window within sweep of the eye, the purpose of doing like this is, no matter at current map window within sweep of the eye whether the position of this vehicle before, so long as at the emerging vehicle within sweep of the eye of current map window, all be refreshed to map, avoid omitting.
See also Fig. 3, in the present embodiment, describedly wait to refresh the gps data queue stores and wait to refresh in the gps data unit in one, describedly wait to refresh the gps data unit and be located at described monitor terminal, be used for each vehicle of caching system and do not carry out the GPS locator data that the map vehicle icon refreshes as yet.Described map processing unit is located on the described monitor terminal.Described business datum server be used for to receive the GPS locator data that vehicle reports and is forwarded to monitor terminal.
Monitor terminal of the present invention judges whether the GPS locator data that receives earlier need refresh to map, refresh again if desired, if do not need then be updated to wait to refresh the gps data formation, effectively reduce the refreshing frequency of vehicle, reduce icon and refresh the influence that system performance is caused.Simultaneously, in combination map scale and refresh preceding or refresh after vehicle location judge whether to need to refresh, only carry out necessary refreshing with this control system, greatly reduce system overhead, the Hoisting System travelling speed.
Though more than described the specific embodiment of the present invention; but being familiar with those skilled in the art is to be understood that; our described specific embodiment is illustrative; rather than for the restriction to scope of the present invention; those of ordinary skill in the art are in modification and the variation of the equivalence of doing according to spirit of the present invention, all should be encompassed in the scope that claim of the present invention protects.
Claims (6)
1. based on the map vehicle icon method for refreshing of big capacity monitor system, it is characterized in that: comprise the steps:
Step 1, each vehicle report GPS locator data separately, the business datum server receive and resolve each GPS locator data after report to monitor terminal;
Step 2, described monitor terminal obtain map attribute data by map interface, and judge one by one whether each GPS locator data needs to refresh, then refresh if desired, this GPS locator data is refreshed icon and represent in map by the map processing unit, and with this GPS locator data all GPS locator datas of corresponding vehicle delete from waiting to refresh the gps data formation, otherwise this GPS locator data entered wait to refresh the gps data formation, execution in step 3;
If waiting to refresh the gps data formation, step 3 had the previous GPS locator data of the corresponding vehicle of this GPS locator data, then upgrade this correspondence vehicle in the GPS locator data of waiting to refresh the gps data formation, with the deletion of previous GPS locator data, otherwise this GPS locator data is inserted into the end of formation.
2. the map vehicle icon method for refreshing based on big capacity monitor system according to claim 1, it is characterized in that: when current map window carries out the field range variation, execution in step 4: described monitor terminal extracts first the GPS locator data of waiting to refresh in the gps data formation, judge then whether this GPS locator data needs to refresh, then refresh if desired, this GPS locator data is refreshed icon and represent in map by the map processing unit, and this GPS locator data is deleted from waiting to refresh the gps data formation; As not needing, then do not refresh and keep this GPS locator data in the gps data formation waiting to refresh; After finishing the processing of first GPS locator data, by that analogy, continue to extract next bar GPS locator data and judge whether and to refresh, until waiting that refreshing whole extraction of gps data formation finishes, return step 1, receive and handle new GPS locator data.
3. the map vehicle icon method for refreshing based on big capacity monitor system according to claim 1 and 2, it is characterized in that: in described step 2 and the step 4, the judgment mode whether the GPS locator data needs to refresh is: a threshold value is set, when the displaying ratio chi of map during less than this threshold value, then being judged to be does not need to refresh, because it is very little that the GPS locator data that reports up with the situation of the speed of a motor vehicle changes in map, be helpless to naked eyes and judge that vehicle location moves, so need not to upgrade; When the displaying ratio chi of map greater than this threshold value, and this GPS locator data meets one of following two kinds of situations, then be judged to be and need refresh, otherwise being judged to be do not need to refresh;
The vehicle of situation one, this GPS locator data correspondence is before refreshing, and the map icon of vehicle is in current map window within sweep of the eye;
The vehicle location of situation two, this GPS locator data correspondence is in current map window within sweep of the eye.
4. the map vehicle icon method for refreshing based on big capacity monitor system according to claim 1, it is characterized in that: describedly wait to refresh the gps data queue stores and wait to refresh in the gps data unit in one, describedly wait to refresh the gps data unit and be located at described monitor terminal, be used for each vehicle of caching system and do not carry out the GPS locator data that the map vehicle icon refreshes as yet.
5. the map vehicle icon method for refreshing based on big capacity monitor system according to claim 1, it is characterized in that: described map processing unit is located on the described monitor terminal.
6. the map vehicle icon method for refreshing based on big capacity monitor system according to claim 1, it is characterized in that: the map attribute data in the described step 2 comprises current map window map within the vision and vehicle location and map scale.
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| CN2013102553141A CN103308057A (en) | 2013-06-25 | 2013-06-25 | Map vehicle icon refreshing method based on high-capacity monitoring system |
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| CN2013102553141A CN103308057A (en) | 2013-06-25 | 2013-06-25 | Map vehicle icon refreshing method based on high-capacity monitoring system |
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Application publication date: 20130918 |