CN1996038B - Road net indication method for GPS navigation system, device and apparatus therefor - Google Patents
Road net indication method for GPS navigation system, device and apparatus therefor Download PDFInfo
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- CN1996038B CN1996038B CN200610157913XA CN200610157913A CN1996038B CN 1996038 B CN1996038 B CN 1996038B CN 200610157913X A CN200610157913X A CN 200610157913XA CN 200610157913 A CN200610157913 A CN 200610157913A CN 1996038 B CN1996038 B CN 1996038B
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Abstract
The GPS guiding path network instruction comprises receiving proportional scale switch order, switching to the ordered scale, generating path direction guiding image by guiding image displayed control information, with the instruction comprising driving direction information displaying the said image. It adds path driving direction mark of the electric path network, displaying the driving direction based on the chosen guiding proportional scale. It also uses hollow line to mark the road, through hollow line width and its ridge width to mark the road level visually, allowing customers knowing the driving direction and road level conveniently.
Description
Technical field
The invention belongs to navigation field, relate in particular to road net indication method, device and equipment in a kind of GPS navigation.
Background technology
GPS (Global Positioning System, GPS) utilize Navsat to carry out regularly, locate and range finding, can in worldwide, realize round-the-clock, comprehensive three dimensions, speed and the temporal information that real-time high-precision is provided for sea, land and aerial user continuously.This system mainly is made up of three parts, i.e. space segment, Ground Control part and user's set part.Space segment is made up of 24 satellites, is distributed on the plane, 6 roads.Ground Control part is by the master station of the work of being in charge of, coordinating whole ground control system, under the control of master station, injects the ground-plane antenna of seeking text, forms as the monitoring station and the communication backup system of automatic data acquisition center to satellite.The user's set part mainly is made up of GPS receiver and satellite antenna.The GPS receiver is divided into geodetic type, full site type, timing type, handheld, integrated-type according to model, is divided into vehicular, boat-carrying formula, machine-carried type, spaceborne formula, missile-borne formula according to purposes.
At present, gps system has been widely used in automobile navigation, emergency reaction, atmospheric physics observation, the geophysics resource exploration, engineering survey, deformation monitoring, the earth movement monitoring, use on land such as urban planning control, the best voyage of ocean-going vessel course line is measured, ship Real-Time Scheduling and navigation, ocean rescue, hunt for treasure in the ocean, hydrogeological survey and ocean platform location, use oceans such as eustasy monitoring, and aircraft navigation, the control of airborne remote sensing attitude, low orbit satellite orbit determination, missile guidance, in the aerospace applications such as air rescue and manned spacecraft protection detection.
In vehicle mounted guidance, the GPS navigation equipment that the user uses can be personal digital assistant (PersonalDigital Assistant, PDA), electronic equipment such as portable terminal, MP3, MP4, electronics wrist formula equipment and all kinds of miniature electronic instrument, the GPS navigation system is installed in the equipment.In when navigation, the departure place that system is selected according to the user, destination, via ground, avoid ground by corresponding navigation path planning principle, for example highway is preferential, shortest time principle, shortest distance principle etc. calculate a bar navigation path.In the vehicle ' process, the gps signal that system receives according to the gps receiver on the equipment, determine navigation object present located position, moving direction, speed etc., be combined into the guidance path that the user calculates, the user is navigated according to the system electronic map data base.
At present, when the path that is calculated is shown, the display mode that different navigational system is taked is different, in the graphical demonstration of existing various navigational system, the employing lines come the road on the designation map, the profile variation of its road changes not related substantially with engineer's scale or relevance is not strong, the lines that indicate road do not have the direction indication, can not indicate one-way road and direction thereof, the direction of two ways and both sides thereof, especially cross over the different zone of traffic rules the user, again under the unfamiliar situation of traffic rules, be difficult to make the user to know the both sides of two ways should according to what direction running simultaneously.
Summary of the invention
The purpose of the embodiment of the invention is to provide the road net indication method in a kind of GPS navigation, is intended to solve have road network indication informations such as lacking travel direction in the GPS navigation system now, causes the problem that it is inconvenient that the user navigates.
The embodiment of the invention is achieved in that the road net indication method in a kind of GPS navigation, said method comprising the steps of:
Receive the engineer's scale switching command;
Current engineer's scale according to described engineer's scale switching command correspondence, and the navigation picture display control information generates the navigation picture that comprises the road indication information, the travel direction information that includes road in the described road indication information, when road adopts tubular wire to indicate, described road indication information further comprises the width information on tubular wire or tubular wire limit, and the width on described tubular wire or tubular wire limit is corresponding with the rank of engineer's scale and road;
Show described navigation picture.
Another purpose of the embodiment of the invention is to provide the indicating device of the road network in a kind of GPS navigation, and described device comprises:
Electronic map database is used for the road property data of storing electronic map and road indication information;
Engineer's scale switching command receiver module is used to receive the engineer's scale switching command;
The navigation picture generation module, be used for current engineer's scale according to described engineer's scale switching command correspondence, and the navigation picture display control information generates the navigation picture that comprises the road indication information, the travel direction information that includes road in the described road indication information, when road adopts tubular wire to indicate, described road indication information further comprises the width information on tubular wire or tubular wire limit, and the width on described tubular wire or tubular wire limit is corresponding with the rank of engineer's scale and road; And
The navigation picture display module is used to show described navigation picture.
Another object of the present invention is to provide a kind of GPS navigation equipment, described equipment comprises a road network indicating device, and described device comprises:
Electronic map database is used for the road property data of storing electronic map and road indication information;
Engineer's scale switching command receiver module is used to receive the engineer's scale switching command;
The navigation picture generation module, be used for current engineer's scale according to described engineer's scale switching command correspondence, and the navigation picture display control information generates the navigation picture that comprises the road indication information, the travel direction information that includes road in the described road indication information, when road adopts tubular wire to indicate, described road indication information further comprises the width information on tubular wire or tubular wire limit, and the width on described tubular wire or tubular wire limit is corresponding with the rank of engineer's scale and road; And
The navigation picture display module is used to show described navigation picture.
The present invention increases the road driving hand designations in the road network of electronic chart, the navigation engineer's scale of selecting according to the user when navigation shows the enforcement direction of road to the user.Simultaneously, the present invention has also adopted tubular wire to indicate road, and the width by tubular wire and the width on tubular wire limit intuitively indicate the rank of road, makes the user easily know information such as the travel direction, road grade of road.
Description of drawings
Fig. 1 is the realization flow figure of the road net indication method that provides of the embodiment of the invention;
Fig. 2 is the structural drawing of road network indicating device under the navigation mode that provides of the embodiment of the invention;
Fig. 3 is the structural drawing of road network indicating device under the browse mode that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The embodiment of the invention increases the road driving hand designations in the road network of electronic chart, the navigation engineer's scale of selecting according to the user when navigation shows the enforcement direction of road to the user.
Fig. 1 shows the realization flow of the road net indication method that the embodiment of the invention provides, and details are as follows:
In step S101, receive the user and send the engineer's scale switching command.
In step S102, according to the current engineer's scale of the engineer's scale switching command correspondence of user input, and the image display control information generates the navigation picture that comprises the road indication information.
Under navigation mode, system according to calculation of parameter such as the moving direction of the current engineer's scale of the engineer's scale switching command correspondence that receives user input, time, navigation object, position, speed publish picture picture with in the navigation object moving process for reaching the picture material of level and smooth demonstration, system is according to the picture material of calculating and the regional area of image electronic chart of living in then, the road indication informations such as travel direction of current engineer's scale road corresponding generate corresponding with it navigation picture respectively.In order to increase the level and smooth display effect of image, the image of generation is stored in the buffer zone.During actual the navigation, the position at the current place of navigation object, moving direction and velocity information are judged according to the gps signal that the gps signal receiver receives.During analogue navigation, the position at the current place of navigation object, moving direction and velocity information are set by the user.
Under browse mode, system is according to current engineer's scale, and the current location information browsed of user, by current location regional area of living in and peripheral adjacent regional area, and, generate corresponding with it navigation picture respectively and be stored in the buffer zone by the road indication informations such as travel direction of current engineer's scale correspondence.The quantity of the image of the adjacent regional area of periphery is relevant with the capacity of buffer zone, if the capacity of buffer zone is big more, then the quantity of the image of adjacent regional area is just many more.
In inventive embodiments, the travel direction of road can adopt arrow or other sign expressions.
In step S103, face time navigation picture with the seamless animation that Shows Picture continuously of the intrinsic display frequency of navigational system place hardware with being temporarily stored in the buffer zone, cooperate with hardware display device, reach that navigation picture moves with navigation object or the user browses the effect with the engineer's scale smooth change of moving constantly of position.
In order to improve the aesthetic of road network, make things convenient for simultaneously and in road network, increase more road indication information, as another embodiment of the present invention, adopt the road in the tubular wire sign road network, the width on the width of tubular wire or tubular wire limit is determined by selected engineer's scale.The road that rank is identical, engineer's scale are big more, and the limit that indicates the tubular wire of this road and tubular wire is wide more.Under the same ratio chi, the road that rank is high more (for example highway be superior to common road), the limit that indicates the tubular wire of this road and tubular wire is wide more.The width on the width of tubular wire or tubular wire limit depends on the have a lot of social connections coefficient corresponding with engineer's scale and road grade.
Fig. 2 shows the structure of road network indicating device under the navigation mode that the embodiment of the invention provides, and for convenience of description, only shows part related to the present invention.This device can be the software unit that is built in the GPS navigation equipment, hardware cell, the perhaps unit that combines of software and hardware.
Store the road property data in the map of navigation electronic in the electronic map database 21, for example the length of road, road name, rank and traffic rules information etc. in the road network in inventive embodiments, also store the road indication informations such as travel direction of road.In inventive embodiments, the travel direction of road can adopt arrow or other sign expressions.
In order to improve the aesthetic of road network, make things convenient for simultaneously and in road network, increase more road indication information, as another embodiment of the present invention, adopt the road in the tubular wire sign road network, the width on the width of tubular wire or tubular wire limit is determined by selected engineer's scale.The road that rank is identical, engineer's scale are big more, and the limit that indicates the tubular wire of this road and tubular wire is wide more.Under the same ratio chi, the road that rank is high more (for example highway be superior to common road), the limit that indicates the tubular wire of this road and tubular wire is wide more.The width on the width of tubular wire or tubular wire limit depends on the have a lot of social connections coefficient corresponding with engineer's scale and road grade.The coefficient of having a lot of social connections is kept in the electronic map database 21.
Engineer's scale switching command receiver module 22 receives the user and sends the engineer's scale switching command.Navigation picture content computing module 23 according to numerical evaluation images such as the moving direction of the current engineer's scale that receives, time, navigation object, speed with in the navigation object moving process for reaching the picture material of level and smooth demonstration.
During actual the navigation, the position at the current place of navigation object, moving direction and velocity information are judged according to the gps signal that the gps signal receiver receives by navigation information judge module 24.During analogue navigation, the position at the current place of navigation object, moving direction and velocity information are judged according to the translational speed of the navigation object of user's setting, the departure time and the current time of navigation object by analogue navigation control module 25.
Navigation mode image calculation processing module 26 generates corresponding navigation picture according to picture material and the regional area of image electronic chart of living in, current engineer's scale road corresponding indication information or the coefficient etc. of having a lot of social connections that navigation picture content computing module 23 calculates.In order to guarantee the seamless continuous demonstration of navigation picture, navigation picture is stored in the buffer zone.
Time image of facing that navigation picture display module 27 will be temporarily stored in the buffer zone plays to the user in the seamless continuous mode of the intrinsic display frequency of navigational system place hardware, reaches that navigation picture moves with navigation object or the user browses the effect with the engineer's scale smooth change of moving constantly of position.
Fig. 3 shows the structure of road network indicating device under the browse mode that the embodiment of the invention provides, and for convenience of description, only shows part related to the present invention.This device can be the software unit that is built in the GPS navigation equipment, hardware cell, the perhaps unit that combines of software and hardware.
Store the road property data in the map of navigation electronic in the electronic map database 21, for example the length of road, road name, rank and traffic rules information etc. in the road network in inventive embodiments, also store the road indication informations such as travel direction of road.In inventive embodiments, the travel direction of road can adopt arrow or other sign expressions.
As mentioned above, in order to improve the aesthetic of road network, making things convenient for simultaneously increases more road indication information in road network, as another embodiment of the present invention, adopts the road in the tubular wire sign road network.
Engineer's scale switching command receiver module 22 receives the user and sends the engineer's scale switching command.The regional area of the current location electronic chart of living in that the current location information that browse mode image calculation processing module 31 is browsed according to the user, road indication information, user browse and adjacent local region information generate corresponding navigation picture.In order to guarantee the seamless continuous demonstration of navigation picture, navigation picture is stored in the buffer zone.The quantity of the image of the adjacent regional area of periphery is relevant with the capacity of GPS navigation equipment buffer zone, and the capacity of buffer zone is big more, and the quantity of the image of adjacent regional area is just many more.
Time image of facing that navigation picture display module 27 will be temporarily stored in the buffer zone plays to the user in the seamless continuous mode of the intrinsic display frequency of navigational system place hardware, reaches that navigation picture moves with navigation object or the user browses the effect with the engineer's scale smooth change of moving constantly of position.
In inventive embodiments, road in the electronic chart is increased road indication informations such as travel direction, and adopt tubular wire to indicate road, the width by tubular wire and the width on tubular wire limit indicate the rank of road, make the user easily know information such as the travel direction, road grade of road, provide great convenience to the user.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all in inventive embodiments spirit and principle within done any modification, be equal to and replace and improvement etc., all should be included within the protection domain of inventive embodiments.
Claims (15)
1. the road net indication method in the GPS navigation is characterized in that, said method comprising the steps of:
Receive the engineer's scale switching command;
Current engineer's scale according to described engineer's scale switching command correspondence, and the navigation picture display control information generates the navigation picture that comprises the road indication information, the travel direction information that includes road in the described road indication information, when road adopts tubular wire to indicate, described road indication information further comprises the width information on tubular wire or tubular wire limit, and the width on described tubular wire or tubular wire limit is corresponding with the rank of engineer's scale and road;
Show described navigation picture.
2. the road net indication method in the GPS navigation as claimed in claim 1, it is characterized in that, described navigation picture display control information comprises under the intrinsic display frequency according to system's place hardware of navigation object present located position, moving direction and speed calculation, moves and the picture material that shows, the regional area and the road indication information of navigation object electronic chart of living in navigation object.
3. the road net indication method in the GPS navigation as claimed in claim 1, it is characterized in that described navigation picture display control information comprises the regional area and the adjacent local region information of the current location electronic chart of living in that current location information, road indication information, user that the user browses browse.
4. as the road net indication method in claim 1, the 2 or 3 described GPS navigation, it is characterized in that described navigation picture display control information also comprises have a lot of social connections coefficient information and with road grade corresponding the have a lot of social connections coefficient information corresponding with engineer's scale.
5. as the road net indication method in claim 1, the 2 or 3 described GPS navigation, it is characterized in that, the road that rank is identical, engineer's scale is big more, the limit that indicates the tubular wire of this road or tubular wire is wide more, under the same ratio chi, the rank of road is high more, and the limit that indicates the tubular wire of this road or tubular wire is wide more.
6. the road network indicating device in the GPS navigation is characterized in that described device comprises:
Electronic map database is used for the road property data of storing electronic map and road indication information;
Engineer's scale switching command receiver module is used to receive the engineer's scale switching command;
The navigation picture generation module, be used for current engineer's scale according to described engineer's scale switching command correspondence, and the navigation picture display control information generates the navigation picture that comprises the road indication information, the travel direction information that includes road in the described road indication information, when road adopts tubular wire to indicate, described road indication information further comprises the width information on tubular wire or tubular wire limit, and the width on described tubular wire or tubular wire limit is corresponding with the rank of engineer's scale and road; And
The navigation picture display module is used to show described navigation picture.
7. the road network indicating device in the GPS navigation as claimed in claim 6 is characterized in that, described navigation picture generation module further comprises:
Navigation picture content computing module is used under the intrinsic display frequency of moving direction, speed calculation system place hardware according to current engineer's scale, time, navigation object, moves and the picture material that shows with navigation object; And
Navigation mode image calculation processing module is used for generating corresponding navigation picture according to the picture material of calculating and the regional area of image electronic chart of living in, current engineer's scale road corresponding indication information.
8. the road network indicating device in the GPS navigation as claimed in claim 6 is characterized in that, described navigation picture generation module further comprises:
Browse mode image calculation processing module, the regional area of the current location electronic chart of living in that current location information, road indication information, the user who is used for browsing according to the user browses and adjacent local region information generate corresponding navigation picture.
9. as the road network indicating device in claim 6, the 7 or 8 described GPS navigation, it is characterized in that described navigation picture display control information also comprises the have a lot of social connections coefficient information corresponding with road grade.
10. as the road network indicating device in claim 6, the 7 or 8 described GPS navigation, it is characterized in that, the road that rank is identical, engineer's scale is big more, the limit that indicates the tubular wire of this road or tubular wire is wide more, under the same ratio chi, the rank of road is high more, and the tubular wire or the tubular wire limit that indicate this road are wide more.
11. a GPS navigation equipment is characterized in that, described equipment comprises a road network indicating device, and described device comprises:
Electronic map database is used for the road property data of storing electronic map and road indication information;
Engineer's scale switching command receiver module is used to receive the engineer's scale switching command;
The navigation picture generation module, be used for current engineer's scale according to described engineer's scale switching command correspondence, and the navigation picture display control information generates the navigation picture that comprises the road indication information, the travel direction information that includes road in the described road indication information, when road adopts tubular wire to indicate, described road indication information further comprises the width information on tubular wire or tubular wire limit, and the width on described tubular wire or tubular wire limit is corresponding with the rank of engineer's scale and road; And
The navigation picture display module is used to show described navigation picture.
12. GPS navigation equipment as claimed in claim 6 is characterized in that, described navigation picture generation module further comprises:
Navigation picture content computing module is used under the intrinsic display frequency of moving direction, speed calculation system place hardware according to current engineer's scale, time, navigation object, moves and the picture material that shows with navigation object; And
Navigation mode image calculation processing module is used for generating corresponding navigation picture according to the picture material of calculating and the regional area of image electronic chart of living in, current engineer's scale road corresponding indication information.
13. GPS navigation equipment as claimed in claim 11 is characterized in that, described navigation picture generation module further comprises:
Browse mode image calculation processing module, the regional area of the current location electronic chart of living in that current location information, road indication information, the user who is used for browsing according to the user browses and adjacent local region information generate corresponding navigation picture.
14., it is characterized in that described navigation picture display control information also comprises the have a lot of social connections coefficient information corresponding with road grade as claim 11,12 or 13 described GPS navigation equipment.
15., it is characterized in that the road that rank is identical as claim 11,12 or 13 described GPS navigation equipment, engineer's scale is big more, and the limit that indicates the tubular wire of this road or tubular wire is wide more, under the same ratio chi, the rank of road is high more, and the tubular wire or the tubular wire limit that indicate this road are wide more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200610157913XA CN1996038B (en) | 2006-12-22 | 2006-12-22 | Road net indication method for GPS navigation system, device and apparatus therefor |
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| CN200610157913XA CN1996038B (en) | 2006-12-22 | 2006-12-22 | Road net indication method for GPS navigation system, device and apparatus therefor |
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| CN1996038A CN1996038A (en) | 2007-07-11 |
| CN1996038B true CN1996038B (en) | 2010-07-21 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101122464B (en) * | 2007-09-24 | 2010-12-08 | 深圳市凯立德计算机系统技术有限公司 | GPS navigation system road display method, device and apparatus |
| CN101403624B (en) * | 2008-11-14 | 2011-10-26 | 深圳市凯立德欣软件技术有限公司 | Road display equipment and method |
| CN102170427A (en) * | 2011-03-09 | 2011-08-31 | 深圳市凯立德科技股份有限公司 | Location error-reporting method, location service terminal and server |
| CN112665608B (en) * | 2021-01-05 | 2024-04-09 | 腾讯科技（深圳）有限公司 | Road navigation indication method, device, computer equipment and storage medium |
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|---|---|---|---|---|
| US4608656A (en) * | 1981-04-13 | 1986-08-26 | Nissan Motor Company, Limited | Road map display system with indication of a vehicle position |
| CN1438471A (en) * | 2002-02-13 | 2003-08-27 | 三菱电机株式会社 | Guiding device and guiding method |
| US6671616B2 (en) * | 2001-12-07 | 2003-12-30 | General Motors Corporation | One-way road point symbol generation |
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- 2006-12-22 CN CN200610157913XA patent/CN1996038B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4608656A (en) * | 1981-04-13 | 1986-08-26 | Nissan Motor Company, Limited | Road map display system with indication of a vehicle position |
| US6671616B2 (en) * | 2001-12-07 | 2003-12-30 | General Motors Corporation | One-way road point symbol generation |
| CN1438471A (en) * | 2002-02-13 | 2003-08-27 | 三菱电机株式会社 | Guiding device and guiding method |
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