Embodiment
The performing step of the inventive method is as follows:
1, the making of map space information service and issue
Browsing on the mobile hand-held device, operating even edit map is all being carried out various map operations with the user and is very different a little on PC.The display screen of mobile hand-held device (having comprised display resolution, button and user interactions etc.), internal memory and storage space limitations, and the various external environment conditions (light, rainwater etc.) of field operation inspection all can bring certain influence to moving the employed moving map of inspection.The present invention has mainly proposed the design of the following aspects:
(1) at the moving map Service Design of sector application
When designing and making a moving map service, a key factor at first will considering is exactly, which kind of task this moving map service is used in and user's situation, operations such as these factors directly have influence on the browsing of ground picture in picture layer, roam, inquiry.
Industry such as land resources, municipal administration, water conservancy and underground utilities no matter, the various figure layers of the map of its application can be divided into two classes: base map layers and application drawing layer.Wherein base map layers mainly is for the user provides the certain basis reference information, generally is to immobilize or figure layer that change frequency is lower, comprises geo-spatial datas such as administrative area, water system river, road traffic.The application drawing layer is the figure layer that the user in use often carries out various inquiries, editing operation, and general all professional closely relevant with inspection, change frequency is higher, need carry out real-time renewal and processing.
At moving the characteristics of inspection in these sector applications, the moving map spatial Information Service of making can be divided into two classes: a class is the mobile static map service based on geo-spatial data, and another kind of is mobile dynamic map service based on business datum.
(2) at the inspection working environment design
Moving the environmental baseline of inspection and indoor condition of work has very big difference, therefore can not carry out the design of map according to the situation of indoor application.Sunlight light during the field operation inspection, rainwater etc. all can influence the performance at interface.For the selection of color and symbol, the design of moving map service and to make the principle observe be simple and comparative is strong.Planar figure layer for as background or basic base map can adopt transparent or simple color.For example, only fill without color, adopt blue outstanding contrast for planar river with simple color showing housing for planar road.
(3) at the characteristics design of mobile hand-held device
When the information service of inspection map space is moved in design, should take into full account the characteristic of mobile hand-held device, comprise screen resolution, internal memory and the storage size etc. of mobile hand-held device.Because the screen resolution of mobile hand-held device is generally all lower, therefore being necessary for map is provided with reference to engineer's scale, so that the map content that a handheld device screen explicit user need show can also improve the map speed of displaying, reduce the memory consumption of mobile hand-held device.
(4) at the design of Cartographic Symbolization
Map need carry out symbolism according to application demand, distinguishes and browses so that the patrolman distinguishes.The color of the symbol that Cartographic Symbolization adopted, pattern all can influence the display speed and the efficient of map.Therefore the symbol that designs every kind all should follow simply, principle efficiently, not only can satisfy the demand that the user carries out map view, operation, do not influence the display effect and the efficient of map again.The pattern of point symbol, line symbol and area symbol all should simply be easy to realize, its color also should be selected simple look and wait without picture or complicated look to fill.
After the map space information service design of moving inspection and completing, can pass through Map Services software (for example ArcGIS Server), this map is issued into the moving map data, services, provide outside mobile hand-held device to carry out the real-time online visit.
2, map space information obtains and represent in real time
Move after the information service of inspection map space issue successfully, can use mobile hand-held device to obtain, store and show cartographic information, confession field operation patrolman browses, locatees, inquiry and data acquisition etc.The enforcement of moving map spatial information is obtained with step and the issue-resolution showed as follows:
(1) visit of moving map service and map datum obtains
Because Map Services is deployed on the long-range Mobile Server, mobile hand-held device need connect by wireless network goes up map server.The mobile wireless network that adopts can be second generation mobile communication technology GPRS/CDMA, 3G (Third Generation) Moblie technology TD-CDMA/WCDMA/CDMA2000 or based on the wireless network of WIFI.Consider the speed that map datum visit is obtained and the coverage of mobile wireless network, should adopt the 3G (Third Generation) Moblie technology.
For industry fields such as land resources, municipal administration, water conservancy and underground utilities, the map space data all belong to private data.Therefore in order to ensure Mobile Server safety of data and safety of data transmission, internetwork connection mode adopts the VPN(VPN (virtual private network)), so both guaranteed that the Mobile Server data did not leak, guaranteed that also map datum is in the outer net safety of transmission.
Simultaneously design and adopted mobile inspection security service voluntarily, the legitimacy of obtaining with the legitimacy of guaranteeing the mobile device login and Map Services.The structure of mobile inspection security service as shown in Figure 3.
Move the inspection security service and mainly comprise Security Service(security service), the service of UDS(uniform data), Token Service(token service), the Map Services authority storehouse and the law enforcement supervision subscriber equipment storehouse of storage Map Services access rights.Wherein Token Service token service is mainly the user capture Map Services effective token is provided, and effective token is at certain station address (domain name or IP address) and have ageing.The user only gets access to effective token, and can have access to corresponding Map Services in this token official hour.UDS uniform data service is a middleware services, and the unified service for checking credentials of having registered Intranet verifies for outside application service whether the user of login system and equipment is legal in this middleware.Security Service is the gateway of whole mobile inspection security service, and it receives user and facility information, and returns the legitimacy and the Map Services access token of subscriber equipment.
During the mobile hand-held device login system, need to visit Security Service security service by the mode of VPN, and call the UDS(uniform data by Security Service security service and serve) the middle service for checking credentials of registering, with the legitimacy of verifying user equipment, comprise the hard piece number of device logs user name, password and current mobile device.If login user and equipment all are in the system verification " white list ", get final product successful login system; If mobile device or user profile are in system verification " blacklist ", then can't login system.
After the system login success, still user equipment information is sent to Token Service token service by Security Service security service, Token Service returns a Token(token according to the authority storehouse of user profile and Map Services), equipment get access to effective Token can successful access to the moving map service and get access to map datum.
(2) buffer memory of Map Services data and encryption
After getting access to the inspection map datum, for smoothness and the rapidity that reaches map view, need on mobile hand-held device, set up buffer memory, and cache file is compressed storage, to reduce influence the mobile hand-held device storage space for the map datum of downloading.Simultaneously in order to ensure the security of the cache map on the mobile hand-held device, adopted unique cryptographic algorithm to carry out encryption to data cached.Can delete the cache map of having downloaded automatically during user log off.
The map datum buffer memory of setting up in the mobile hand-held device adopts the mode of RAS bidirectional encipher to carry out data encryption, promptly generating unique key according to the hard piece number of user name, password and the current mobile device of system login encrypts data cached, and to these data cached being decrypted when using, still need to be decrypted according to the hard piece number of user name, password and the current mobile device of login.If therefore data cachedly be copied on other equipment or have other users to login use, the purpose that map datum can only be authorized to the user and authorize mobile device to use has been guaranteed in all can't be correct its deciphering be used.
(3) drafting of Map Services data and displaying
Utilize the mapping engine, the map datum of downloading is drawn and shown, and realize basic map operation, comprised roaming, browse, distance and area measuring, the control of figure layer, attribute query and sketch editor etc.
3, the collection and the management of inspection information
After mobile inspection system obtains and plotting goes out map datum, the reference that field operation patrolman can provide according to the map, in conjunction with the locating information of GPS, beginning field operation inspection task.
(1) obtains and downloads plan target
User according to mobile inspection system login obtains and downloads the inspection plan target of distributing to this user.The inspection plan comprises: inspection should Start Date and Close Date, the staff planners of inspection, inspection Planned Route and inspection object.
(2) beginning of inspection task
Under the stable situation of the gps signal of mobile hand-held device, the patrolman can be according to existing inspection plan, the inspection task that beginning is actual.After actual inspection task began, the route of affiliated inspection plan and inspection object all can be labeled on the map clearly, for the patrolman provides navigation and reference.
(3) collection and the record of inspection mission bit stream
When the patrolman arrives inspection during object, set up the inspection point, and fill in the relevant attribute information of inspection object, utilize drawing tool that map provides and GPS record inspection object four to spatial informations such as scope and relative positions.Can also utilize the camera of mobile hand-held device to take pictures, perhaps the image information of videograph inspection object.
(4) end of inspection task
Behind the inspection object that the traversal plan sets, can finish current inspection task.
The real-time report of 4, inspection information and achievement
After field operation inspection task is finished, can be reported on the remote service, carry out Mission Monitor, management and subsequent treatment work for managerial personnel by will the patrol various information of task of mobile wireless network.
(1) real-time report of inspection position
The real-time report of inspection position is with the position data of patrolman in the inspection process, and the real-time management system that is reported to related management department provides the inspection situation of task for managerial personnel; By refreshing in real time of map, make things convenient for managerial personnel that position of patrolman etc. is monitored.
(2) the inspection achievement reports
Inspection achievement reported data in the mobile hand-held device comprises: attribute, image and the sketch data etc. of the route data of inspection, inspection object.These data can provide decision references for managerial personnel, and the foundation of conduct inspection subsequent treatment work as a result.
5, Xun Cha follow-up management
After field operation patrolman finished the inspection task and reports the inspection achievement, managerial personnel can carry out case to violation of law by management system and handle.
(1) inspection Mission Monitor
(a) patrolman and monitoring of tools
The monitoring of patrolman and equipment mainly is meant monitoring and the login situation of checking the patrolman, and the position of inspection, route situation etc. are convenient to patrolman and equipment are examined supervision.
(b) plotting of inspection route and the playback of inspection task
At the inspection task of finishing, managerial personnel can utilize management system that the route of inspection and object plotting on map of inspection are come out, and can carry out playback to the whole process of inspection.
(2) inspection task Macro or mass analysis
According to patrolman's inspection task record, add up each patrolman's inspection information, mainly comprise information such as inspection track kilometrage, inspection object collection quantity, patrol time.
(3) case is handled
Managerial personnel are to constituting the violation of law fact, the information such as result of record case.
Pacing items of the presently claimed invention is to collect to comprise geo-spatial data and inspection business datum for moving the basic data that inspection is used.
Concrete enforcement of the present invention can be undertaken by flow process as shown in Figure 1.To move the basic data of application, comprise that geo-spatial data and inspection are professional, and, be made into and to use needed moving map data for the sector, and it is issued into the moving map service according to moving map Service Design in the technical scheme and making rule.In mobile hand-held device (PDA, mobile phone or panel computer etc.), use mobile inspection system then, download in real time by the VPN dedicated network and move the required map datum of inspection; On mobile hand-held device, set up the buffer memory of map datum, encrypt data cached according to the patrolman's who logins information, to guarantee safety of data.With map datum visual after, according to the inspection task scheduling of downloading, rely on the GPS of mobile hand-held device, the mobile inspection task of beginning field operation; With the position of mobile device, by VPN special mobile network, upload to remote server in real time, monitor and manage for managerial personnel.After the inspection task begins, upgrade the GPS position, write down the route of whole inspection, and gather each the inspection object attribute information (this attribute information can be from map datum, also can import voluntarily by the user), picture image data and sketch data, treat to form a complete inspection task record after the task termination.
To completed inspection task record, the patrolman can necessarily revise management, comprises some base attribute information of revising inspection, as the inspection title etc., but does not allow to revise or delete the time and the position of inspection.If field operation patrolman by the VPN dedicated network, is reported to long-range server after having confirmed all inspection task records, make things convenient for managerial personnel to carry out follow-up bookkeeping.
Managerial personnel can inquire about the mobile inspection task that reports, statistics and analysis, comprise location, plotting, the milimeter number statistics of inspection task route; Location, the photo browsing image of inspection object; The playback of whole record of patrol etc.If there is doubtful illegal inspection object, record violation of law and follow-up result etc.
In whole mobile inspection process, as shown in Figure 2 based on the principle of work of the spatial information of GIS.