WO2013069125A1 - Procédé de conversion de données de carte, support d'enregistrement et dispositif d'affichage de carte - Google Patents

Procédé de conversion de données de carte, support d'enregistrement et dispositif d'affichage de carte Download PDF

Info

Publication number
WO2013069125A1
WO2013069125A1 PCT/JP2011/075893 JP2011075893W WO2013069125A1 WO 2013069125 A1 WO2013069125 A1 WO 2013069125A1 JP 2011075893 W JP2011075893 W JP 2011075893W WO 2013069125 A1 WO2013069125 A1 WO 2013069125A1
Authority
WO
WIPO (PCT)
Prior art keywords
map data
basic
integration
map
integrated
Prior art date
Application number
PCT/JP2011/075893
Other languages
English (en)
Japanese (ja)
Inventor
一寿 林
下谷　光生
秀彦 大木
御厨　誠
池内　智哉
隆史 玉田
英梨子 小谷
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2013542762A priority Critical patent/JP5734451B2/ja
Priority to PCT/JP2011/075893 priority patent/WO2013069125A1/fr
Publication of WO2013069125A1 publication Critical patent/WO2013069125A1/fr

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G06T17/05—Geographic models
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/38—Electronic maps specially adapted for navigation; Updating thereof
    • G01C21/3804—Creation or updating of map data
    • G01C21/3807—Creation or updating of map data characterised by the type of data
    • G01C21/3815—Road data
    • G01C21/3819—Road shape data, e.g. outline of a route

Definitions

  • the present invention relates to a technique for converting original map data into map data corresponding to a navigation device, and more particularly to a technique for appropriately integrating figures on a map.
  • a map conversion device that converts an original map database (DB) supplied by a map data creation company (provider) into a map DB in a format suitable for display on a map display device is a map display device preset by the map display device.
  • a map DB is created for the scale.
  • the map display device has a sufficiently high CPU speed and the processing power of the chip that draws the map is sufficiently high, such as a car navigation device, or if the image data to be displayed on one screen is small, the map display It is possible to provide an easy-to-use system that can perform drawing at a sufficiently high speed with the apparatus.
  • the recent original map DB that used many polygons such as house frame maps has a large data size, so if the map conversion device does not convert it to a sufficiently small data size, it takes time to draw on the map display device side Occurs. Since the number of figures displayed on one screen is large, the scrolling speed becomes slow, or the fine shapes of the polygons are crushed and displayed, making it difficult to see. Such a problem is remarkable when a small-scale map is displayed.
  • Patent Document 1 discloses a technique for performing a thinning process of a figure in accordance with a display scale.
  • graphic display thinning processing is performed on the server side, and map data after processing is distributed to the client device, thereby reducing the display load of the client device.
  • the present invention provides a map data conversion method for converting original map data into a format that can be displayed at high speed on a map display device without impairing the recognition of the map, It is an object of the present invention to provide a storage medium for storing and a map display device for displaying the converted map data.
  • the map data conversion method of the present invention is a map data conversion method for converting map data, and (a) the position information of the basic figure and road figure constituting the map, and the features of the features represented by the basic figure and road figure.
  • (B) a step of preparing a plurality of basic figures located within a predetermined distance among the basic figures based on the position information, and (c) ) A process of integrating a predetermined basic graphic from the basic information of integration target candidates based on graphic information; (d) a process of integrating the basic graphic to be integrated into one graphic; and (e) integration.
  • a step of creating integrated map data using the processed basic figure and a basic figure other than the integration target, and the step (d) includes the basic figure when the integration target basic figure is arranged separately. Interpolating between them A step of integrating the form.
  • the storage medium of the present invention stores integrated map data for a display device obtained by converting integrated map data created using the map data conversion method of the present invention into a display format for a map display device.
  • the map display device of the present invention reads the integrated map data for the display device obtained by converting the integrated map data created using the map data conversion method of the present invention into the display format for the map display device, and draws the map on the screen. .
  • the map data conversion method of the present invention is a map data conversion method for converting map data, and (a) the position information of the basic figure and road figure constituting the map, and the features of the features represented by the basic figure and road figure.
  • (B) a step of preparing a plurality of basic figures located within a predetermined distance among the basic figures based on the position information, and (c) ) A process of integrating a predetermined basic graphic from the basic information of integration target candidates based on graphic information; (d) a process of integrating the basic graphic to be integrated into one graphic; and (e) integration.
  • a step of creating integrated map data using the processed basic figure and a basic figure other than the integration target, and the step (d) includes the basic figure when the integration target basic figure is arranged separately.
  • the storage medium of the present invention stores integrated map data for a display device obtained by converting integrated map data created using the map data conversion method of the present invention into a display format for a map display device. If integrated map data stored in such a storage medium is displayed on a map display device, a map can be drawn at high speed.
  • the map display device of the present invention reads the integrated map data for the display device obtained by converting the integrated map data created using the map data conversion method of the present invention into the display format for the map display device, and draws the map on the screen. Therefore, the map can be drawn at high speed.
  • FIG. It is a block diagram which shows the structure of the map conversion apparatus which concerns on Embodiment 1.
  • FIG. It is a block diagram which shows the structure of a car navigation apparatus as an example of the map display apparatus which concerns on Embodiment 1.
  • FIG. It is a figure explaining the integration process with respect to the basic figure which is a plane figure. It is a figure explaining the integration process with respect to the basic figure which is a plane figure. It is a figure which shows the figure information table of a basic figure. It is a figure explaining the integration process with respect to the basic figure which is a plane figure. It is a figure explaining the integration process with respect to the basic figure which is a plane figure. It is a figure explaining the integration process with respect to the basic figure which is a solid figure.
  • FIG. 4 is a flowchart illustrating a map conversion operation of the map conversion device according to the first embodiment. It is a figure explaining the integration process with respect to the basic figure which is a solid figure. It is a figure explaining the integration process with respect to the basic figure which is a solid figure. It is a figure which shows the figure information table of a basic figure. It is a figure which shows the basic figure which was represented by two different scales and was integrated. 4 is a flowchart illustrating a map conversion operation of the map conversion device according to the first embodiment. It is a figure explaining the integration process with respect to the basic figure which is a solid figure. It is a figure explaining the integration process with respect to the basic figure which is a solid figure. It is a figure which shows the figure information table of a basic figure.
  • FIG. 1 is a block diagram showing a configuration of a map conversion apparatus 1 according to Embodiment 1 of the present invention.
  • the map conversion device 1 is a device that converts original map data acquired from the original map data DB 10 into a format that can be processed by a map display device such as a navigation device.
  • This apparatus is realized, for example, by a computer programmed with a processing procedure shown in FIG.
  • the original map data is, for example, map data created by a map data creation company at a plurality of scales, such as a basic figure such as a building frame or a land frame, or a polygon shown on a map such as a road figure indicating a road. It contains graphic information indicating the characteristics of the graphic.
  • a basic figure such as a building frame or a land frame
  • a polygon shown on a map such as a road figure indicating a road. It contains graphic information indicating the characteristics of the graphic.
  • all figures other than road figures among the figures shown on the map are defined as basic figures.
  • the map conversion apparatus 1 includes a map data input means 2, an integration determination means 3, an integration processing means 6, an integrated map data creation means 7, and a navigation integrated map data creation means 8.
  • the map data input means 2 is a means for accessing the original map database (DB) 10 and inputting the original map data.
  • the integration determination unit 3 is a unit that receives the original map data from the map data input unit 2 and extracts a graphic to be integrated from the basic graphics indicated by the original map data.
  • the integration target candidate extraction unit 4 And integration target extraction means 5.
  • the integration target candidate extraction means 4 extracts a plurality of basic figures located within a predetermined distance from the basic figures indicated by the original map data as integration target candidates.
  • the integration target extraction unit 5 extracts the integration target from the basic figures of the integration target candidates by a method described later.
  • the integration processing means 6 performs an integration process on the basic figure extracted by the integration target extraction means 5 as an integration target.
  • the integrated map data creating means 7 acquires the integrated basic figure from the integrated processing means 6, further acquires the basic figure that was not to be integrated from the map data input means, and displays these together together. Create data.
  • the navigation integrated map data creating means 8 converts the integrated map data into integrated navigation map data in a format suitable for display on the car navigation device 20 (see FIG. 2).
  • An integrated map DB 11 for navigation which is a database of integrated map data for navigation, is an output of the map conversion device 1.
  • FIG. 2 is a block diagram showing a configuration of the car navigation device 20.
  • the car navigation device 20 is an example of a map display device that receives a navigation integrated map DB 11 created by the map conversion device 1 and displays a map.
  • the car navigation device 20 is a navigation device mounted on a vehicle, and includes a main CPU 30, a GPS receiving means 21 connected to the main CPU 30, a vehicle speed pulse obtaining means 22, a built-in memory 23, a CD / DVD drive 24, and an HDD 25. ing.
  • the GPS receiving unit 21 acquires current position information from a GPS satellite, and the vehicle speed pulse acquiring unit 22 acquires a vehicle speed pulse from the vehicle.
  • the main CPU 30 uses these pieces of information to grasp the current vehicle position.
  • the HDD 25 stores a navigation integrated map DB 11 and a program 26. When the main CPU 30 executes the program 26, the internal memory 23 is used.
  • the CD / DVD drive 24 is shown as an example of AV source input means.
  • the car navigation device 20 includes a touch panel 27 as a user interface, a liquid crystal monitor 29 that displays a map, and a drawing chip 28 that is an LSI that draws an integrated map for navigation on the liquid crystal monitor 29 at high speed.
  • the car navigation apparatus 20 includes a radio receiver 31, an amplifier 32 as a sound output unit, a speaker 33, and a direction acquisition unit 34.
  • FIGS. 3 and 4 are diagrams illustrating the integration target determination for the basic graphic of the planar graphic that is determined as the integration target candidate by the integration target candidate extraction unit 4 and the subsequent integration processing.
  • FIG. 3 shows an example in which a road graphic I exists between the basic graphic A, B, C and the basic graphic D.
  • the basic figures A and C, A and B, C and D, and B and D are arranged with a distance less than a predetermined threshold, they are determined as integration target candidates by the integration target candidate extraction unit 4. Yes.
  • the basic figures A and C and the basic figures A and B are arranged without a gap.
  • the integration target extraction unit 5 refers to the graphic information of the basic graphics that are candidates for integration, and determines whether or not to be integrated.
  • FIG. 5 shows a graphic information table of the basic graphic and the road graphic shown in FIGS.
  • the graphic information includes basic graphic identification codes, type information, attribute information, shape information, and height information, and may also include other information.
  • the type is, for example, a hotel, an outdoor sports facility, an amusement facility, a park, a house, a field, an island, a lake, a pond, a national road, or a prefectural road, and indicates a rough feature type.
  • the type of the basic figure A is a hotel.
  • attribute information features of features that are finer than the type are described.
  • the name of the hotel is described as an attribute.
  • the basic figure I whose type is a national road, road characteristics such as one-way traffic and lane information such as the number of lanes are described as attributes.
  • shape information the coordinates of the vertices of the basic figure are written.
  • the height information describes the height of the feature represented by the basic figure.
  • the basic figures A and C are both a hotel (house shape) type and an attribute “name: hotel XX”.
  • the integration target extraction unit 5 determines that the basic graphics A and C are the targets of integration processing. Similarly, the basic figures A and B are determined to be integrated.
  • the integration target extraction means 5 refers to the graphic information of the road figure I and determines whether to integrate them.
  • the type of the road graphic I is a national road (road line), and the attribute is one-way and lane information is written.
  • the integration target extraction unit 5 sets the basic figures C and D as integration targets. Do not judge.
  • the type of the road graphic I is a pedestrian road, it is possible to determine that even if the basic graphic C and D are integrated, the recognition as an automobile map is not impaired and can be integrated. is there.
  • the loss of map recognition means that it becomes difficult to recognize the current location and the target building on the map.
  • the car map displayed on the car navigation device 20 is described as an example.
  • the type is a pedestrian road. If two basic figures sandwiching a road figure are integrated, it is determined that the recognition of the map is impaired, and it is not considered as an integration target.
  • the basic graphics A and C and the basic graphics A and B extracted as the integration targets are integrated by the integration processing means 6 as shown in FIG. It is integrated into one figure.
  • the integration target extraction means 5 sets all integration target candidates as integration targets. to decide.
  • the integration processing means 6 performs the integration processing of the basic figures E and F and E and G.
  • the basic figures F and H and G and H are integrated while maintaining the outline of the basic figure before integration by interpolating the space between them.
  • FIG. 7 shows an example in which interpolation is performed from the basic figure H to the basic figures F and G.
  • Which direction is used for interpolation may be determined, for example, by the size of a hole formed in the figure after the interpolation process. That is, when it is desired to interpolate so that the hole becomes larger, the interpolation is performed from the basic figures F and G toward the basic figure H as shown in FIG. As shown, the interpolation is performed from the basic figure H to the basic figures F and G.
  • FIGS. 8 to 10 are diagrams illustrating an example of integration target determination and a subsequent integration process in the case where the basic figure of the integration target candidate is a solid figure.
  • FIG. 11 shows a graphic information table of the basic graphics A to F shown in FIGS.
  • the figure information table of the solid figure is almost the same as the figure information table of the plane figure described in FIG. 5, but the height information is the height information of the basic figure itself in addition to the height information of the feature indicated by the basic figure. It may be.
  • the integration target extraction unit 5 refers to the height information in addition to the comparison of the type and the attribute.
  • the basic figures A and B since there is a difference in height between the basic figures A and B, these are not targeted for integration.
  • FIG. 9 since there is no difference in height between the basic figures C and D, it is determined as an integration target when other conditions related to the integration target determination are satisfied. This prevents the recognition of the map from being impaired by integrating buildings and the like having different heights on the map.
  • FIG. 10 when the basic figures E and F arranged with a gap are determined to be integrated, they are integrated into one solid figure by interpolating the gap.
  • the integrated map data creating means 7 creates integrated map data using the basic figure that has undergone such integration processing and other figures. Since the number of basic figures expressed by the integrated map data is smaller than that of the original map data, the rendering load is light when drawing on the map display device, and drawing can be performed at high speed.
  • the integration target candidate extraction unit 4 extracts a plurality of basic figures located within a predetermined distance from each other as integration target candidates. More specifically, a value corresponding to the scale of the map is set as the threshold regarding the distance between basic figures when determining whether or not to become a candidate for integration. If the threshold is set to be larger as the scale of the map is smaller (a map that displays a wider area), a pair of basic figures that are located farther away from each other is extracted as a candidate for integration.
  • FIG. 12 shows an integration process for the same basic figure at two different scales.
  • conventional map data that does not perform integration processing as shown by A in FIG. 12, there is no problem in display at the scale 1, but it becomes difficult to see at a small scale 2, and the display may be crushed at small parts.
  • the map data has been subjected to the integration processing of the present embodiment, as shown by B in FIG. 12, more figures are candidates for integration on a map with a smaller scale (scale 2), and the integration processing is performed. Since it is performed, map data capable of displaying an easy-to-view map can be created.
  • FIG. 13 is a flowchart showing the map data conversion operation of the map data conversion device 1 of the present embodiment. The map data conversion operation will be described below with reference to FIG.
  • the map data input means 2 reads the original map data from outside the apparatus (step S1). Then, the combination target candidate extraction unit 4 extracts integration target candidates from the basic graphics expressed by the original map data (step S2).
  • the original map data is created for a plurality of scales, and the combination target candidate extraction unit 4 sets a plurality of basic figures positioned within a predetermined distance according to each scale as integration target candidates.
  • the integration target extraction means 5 determines whether or not to integrate the basic graphics of the integration target candidates while referring to the graphic information, and extracts the integration target (step S3). Specifically, referring to the graphic information of each basic figure of the candidate for integration, for example, if the type and attribute are the same, the presence or absence of a road figure separating the basic figure of the candidate for integration is further determined, and there is no road figure. It can be integrated. If there is a road graphic, whether or not integration is possible is determined based on the graphic information of the road graphic while considering the purpose of the map. For example, in the case of map data for a car navigation device, it is determined that integration is possible only when the type of the road graphic is not a road.
  • the integration processing means 6 determines whether there is an integration target (step S4), and if there is an integration target, performs integration processing (step S5). If there is no integration target in step S4, or after the integration processing is performed in step S5, whether or not the basic figure for which the integration target candidate extraction unit 4 has not determined the integration target candidate remains in the original map data. Is determined (step S6). If there is an undetermined basic figure, the process returns to step S2 again to extract integration target candidates.
  • the integrated map data creation unit 7 integrates with the integrated graphics. Integrated map data is created using figures other than the object (step S7).
  • the navigation integrated map data creating means 8 converts the integrated map data into integrated map data for navigation which is a format for the car navigation device 20 (step S8).
  • the integrated navigation map data thus created may be stored in the HDD 25 of the car navigation device 20 as the integrated navigation map database 11 or may be stored in a storage medium such as a DVD and input to the car navigation device 20. May be.
  • FIG. 14 shows solid basic figures A and B
  • FIG. 15 shows solid basic figures C and D
  • FIG. 16 shows a graphic information table of basic figures A to D shown in FIGS.
  • basic figures A and B are assumed to have the same type and attribute.
  • the basic graphic A has a height H1
  • the basic graphic B has a height H2. Since (H1-H2) is equal to or greater than a preset threshold value ⁇ , the integration target extraction unit 5 does not set the basic figures A and B as integration targets.
  • the basic figure C having the height H3 and the basic figure D having the height H4 are determined to be integrated because (H3-H4) is less than the threshold value ⁇ .
  • graphic information such as types and attributes may be associated with position information.
  • map data for example, by placing the cursor on the map displayed on the liquid crystal monitor 29 of the navigation device 20 using the touch panel 27 or the like, the point indicated by the cursor or a specific facility existing therearound Can be displayed on the screen and set as a destination.
  • the destination is set by such a method, if the basic figure indicating the facility to be searched is integrated with other basic figures, the user of the navigation device 20 accurately determines the position of the facility to be searched on the map. I can't figure it out. Therefore, if the integration target extraction unit 5 determines that the basic graphic associated with the graphic information and the position information is not the integration target, the above problem can be solved.
  • the color and design of the feature indicated by the basic figure can be expressed by texture mapping.
  • a texture number symbol is given as attribute information to the graphic information of the basic graphic.
  • the integration target extraction means 5 compares the texture codes between basic figures that are candidates for integration, and if they are determined to have different colors or designs, they are excluded from the integration targets so that different colored buildings are displayed on the map. Can be prevented from being shown as two buildings.
  • a landmark such as a building that serves as a landmark facing the route is displayed together with the route as a route guidance screen. By doing so, it may be possible to help the user understand the route. If landmarks displayed on such a route guidance screen are displayed in an integrated manner with other buildings, the user will be confused, so it is desirable that landmarks not be integrated. Whether or not it is a landmark may be described in the attribute information at the stage of the original map data, or if it is described as a landmark in the basic figure attribute information for some predetermined buildings There is also.
  • the integration target extraction unit 5 refers to the attribute information of the basic graphic, and excludes the basic graphic indicating the landmark from the integration target, thereby providing map data that can smoothly perform route guidance using the landmark. .
  • the original map data is converted into integrated map data after being subjected to integration processing, and then converted into integrated map data for navigation corresponding to the display format of the car navigation device 20. did.
  • the timing for conversion to the display format of the car navigation device 20 may be before the integration process is performed.
  • the car navigation device 20 is shown in FIG. 2, but this is merely an example.
  • the map display device may have other configurations as long as the effect of the present invention is achieved.
  • the map display device may be a portable terminal that performs route guidance for pedestrians, or a map display device that does not have a guidance function. Also good.
  • the area after integration may be considered.
  • both basic figures of integration target candidates are basic figures, if the area after integrating these basic figures is equal to or greater than a predetermined value, the basic figures are not targeted for integration.
  • the basic figures of the integration target candidates are both solid figures, if the volume after integrating these basic figures is equal to or greater than a predetermined value, they are not set as integration targets. Since the basic figure having a large area or volume has a great influence on the cognition of the map, the cognition of the map is maintained by not integrating them.
  • the map data conversion method of this embodiment for converting map data includes (a) position information of basic figures and road figures constituting the map, and figure information indicating features of the features represented by the basic figures and road figures. (B) preparing a plurality of basic figures located within a predetermined distance among the basic figures based on the position information, and (c) ) A step of integrating a predetermined basic graphic based on graphic information from among the basic graphics of the integration target candidates; (d) a process of integrating the basic graphic to be integrated into one graphic; and (e) A step of creating integrated map data from the basic figure that has been integrated and the basic figure other than the integration target, and the step (d) includes the basic figure when the basic figures to be integrated are arranged apart from each other.
  • the step (c) determines whether or not to make an integration object based on the graphic information of the road figure. It is a step of determining. For example, in the case of map data for a car navigation device, if the attribute of the road graphic indicates that the road is a road where the vehicle can travel, such as a national road, the basic graphic arranged across the road graphic is integrated. By not targeting, it prevents the traffic routes from being integrated and the cognition of the map from being impaired.
  • the step (b) is a step of setting a plurality of the basic figures positioned within a predetermined distance according to the scale of the integrated map data as integration target candidates
  • Step (e) is a step of creating integrated map data of at least one scale. Therefore, by setting the threshold of the distance between basic figures to be determined as integration target candidates to be larger as the map data is smaller, It is possible to create integrated map data that does not collapse even at a reduced scale.
  • the step (c) is not set as the integration target when the height difference between the features indicated by the basic figure of the integration target candidate is equal to or greater than the first predetermined value. Since it is a process, the basic figure which shows the feature in which the difference in height exists to some extent is not integrated, thereby maintaining the cognition of the map.
  • the step (c) refers to the texture code from the figure information and This is a step of determining whether or not to be an integration target based on comparison of texture codes.
  • the step (c) when the basic figure of the candidate for integration is a plane figure, the area after the integration processing is equal to or greater than the second predetermined value. This is a process that is not targeted for integration. By avoiding the integration process that increases the area too much, the recognition of the map is maintained.
  • the step (c) is performed when the integration target candidate basic figure is a three-dimensional figure and the volume after the integration process is equal to or greater than the second predetermined value. This is a process that is not targeted for integration. Maintaining map cognition by avoiding integration processes that are too large.
  • step (c) is a step in which the basic figure of the candidate for integration having the graphic information associated with the position information is not targeted for integration
  • the basic figure indicating the facility to be searched is integrated and the map is recognized. Preventing the loss of sex.
  • step (c) is a step in which a basic figure of a candidate for integration indicating a predetermined landmark is not targeted for integration. At points such as complex intersections where the route is difficult to understand, it is possible to display landmarks on the map display device together with the route as a route guidance screen to help the user understand the route. If it is excluded from the route, the route guidance using the landmark can be performed smoothly.
  • the storage medium according to the present embodiment is a storage medium that stores the integrated map data for the display device obtained by converting the integrated map data created by using the map data conversion method according to the present embodiment into the display format for the map display device. is there. If integrated map data stored in such a storage medium is displayed on a map display device, a map can be drawn at high speed.
  • the map display device includes integrated map data for navigation (integrated map for display device) obtained by converting integrated map data created using the map data conversion method according to the present embodiment into a display format for a map display device. Data) is read and the map is drawn on the screen, so the map can be drawn at high speed.
  • integrated map data for navigation integrated map for display device
  • 1 map conversion device 2 map data input means, 3 integration judgment means, 4 integration target candidate extraction means, 5 integration target extraction means, 6 integration processing means, 7 integrated map data creation means, 8 integrated map data creation means for navigation, 10 original map database, 11 integrated map database for navigation, 20 car navigation device, 21 GPS receiving means, 22 vehicle speed pulse acquiring means, 23 internal memory, 24 CD / DVD drive, 25 HDD, 26 programs, 27 touch panel, 28 drawing chip 29 LCD monitor, 30 main CPU, 31 radio receiver, 32 amplifier, 33 speaker, 34 direction acquisition means.

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Automation & Control Theory (AREA)
  • Software Systems (AREA)
  • Computer Graphics (AREA)
  • Theoretical Computer Science (AREA)
  • Navigation (AREA)
  • Instructional Devices (AREA)
  • Processing Or Creating Images (AREA)

Abstract

L'objectif de l'invention est de fournir : un procédé de conversion de données de carte permettant de convertir des données de carte d'origine dans un format dans lequel les données de carte d'origine peuvent être rapidement affichées sur un dispositif d'affichage de carte sans perdre le caractère reconnaissable de la carte ; un support d'enregistrement permettant d'enregistrer les données de carte converties ; et un dispositif d'affichage de carte permettant d'afficher les données de carte converties. Ce procédé de conversion de données de carte consiste à : (a) préparer un ensemble de données de carte contenant les informations de position des graphiques et les informations graphiques indiquant les caractéristiques des objets terrestres représentés par les graphiques ; (b) définir, d'après les informations de position, plusieurs graphiques de base positionnés à une distance prédéterminée l'un de l'autre comme des candidats à consolider ; (c) définir des graphiques de base prédéterminés parmi les candidats à consolider comme des cibles de consolidation d'après les informations graphiques ; (d) consolider les cibles de consolidation dans un graphique ; et (e) créer un ensemble de données de carte consolidées au moyen des graphiques de base soumis au traitement de consolidation et des graphiques de base qui ont été exclus des cibles de consolidation. Au cours de l'étape (d), les cibles de consolidation sont consolidées après avoir interpolé l'espace entre les graphiques de base si les graphiques de base à consolider sont espacés l'un de l'autre.
PCT/JP2011/075893 2011-11-10 2011-11-10 Procédé de conversion de données de carte, support d'enregistrement et dispositif d'affichage de carte WO2013069125A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013542762A JP5734451B2 (ja) 2011-11-10 2011-11-10 地図データ変換方法、記憶媒体、地図表示装置
PCT/JP2011/075893 WO2013069125A1 (fr) 2011-11-10 2011-11-10 Procédé de conversion de données de carte, support d'enregistrement et dispositif d'affichage de carte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/075893 WO2013069125A1 (fr) 2011-11-10 2011-11-10 Procédé de conversion de données de carte, support d'enregistrement et dispositif d'affichage de carte

Publications (1)

Publication Number Publication Date
WO2013069125A1 true WO2013069125A1 (fr) 2013-05-16

Family

ID=48288721

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/075893 WO2013069125A1 (fr) 2011-11-10 2011-11-10 Procédé de conversion de données de carte, support d'enregistrement et dispositif d'affichage de carte

Country Status (2)

Country Link
JP (1) JP5734451B2 (fr)
WO (1) WO2013069125A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018136664A (ja) * 2017-02-21 2018-08-30 株式会社パスコ 図形データ処理装置及び図形データ処理方法並びに図形データ処理プログラム

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002157254A (ja) * 2000-11-21 2002-05-31 Sony Communication Network Corp 地図データ提供方法および地図データ提供装置
JP2006284704A (ja) * 2005-03-31 2006-10-19 Kitakyushu Foundation For The Advancement Of Industry Science & Technology 立体地図簡略化装置及び立体地図簡略化方法
JP2008052496A (ja) * 2006-08-24 2008-03-06 Ricoh Co Ltd 画像表示装置、画像表示方法、プログラムおよび記録媒体
WO2008099927A1 (fr) * 2007-02-16 2008-08-21 Nec Corporation Système d'estimation de caractéristique de propagation d'onde radio, son procédé et programme

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003317109A (ja) * 2002-04-19 2003-11-07 Matsushita Electric Ind Co Ltd 地図表示装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002157254A (ja) * 2000-11-21 2002-05-31 Sony Communication Network Corp 地図データ提供方法および地図データ提供装置
JP2006284704A (ja) * 2005-03-31 2006-10-19 Kitakyushu Foundation For The Advancement Of Industry Science & Technology 立体地図簡略化装置及び立体地図簡略化方法
JP2008052496A (ja) * 2006-08-24 2008-03-06 Ricoh Co Ltd 画像表示装置、画像表示方法、プログラムおよび記録媒体
WO2008099927A1 (fr) * 2007-02-16 2008-08-21 Nec Corporation Système d'estimation de caractéristique de propagation d'onde radio, son procédé et programme

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018136664A (ja) * 2017-02-21 2018-08-30 株式会社パスコ 図形データ処理装置及び図形データ処理方法並びに図形データ処理プログラム

Also Published As

Publication number Publication date
JPWO2013069125A1 (ja) 2015-04-02
JP5734451B2 (ja) 2015-06-17

Similar Documents

Publication Publication Date Title
US9453740B2 (en) Method of displaying objects on navigation map
US11698268B2 (en) Street-level guidance via route path
US10041807B2 (en) Stylized procedural modeling for 3D navigation
US9390544B2 (en) 3D navigation methods using nonphotorealistic (NPR) 3D maps
US20140267282A1 (en) System And Method For Context Dependent Level Of Detail Adjustment For Navigation Maps And Systems
EP2503294A2 (fr) Guidage de route 3D sensible au contexte et personnalisé
JP2013513900A (ja) ノンフォトリアリスティックな３ｄマップのためにフォトリアリスティックな３ｄランドマークを再利用するための方法
JP2002098538A (ja) ナビゲーション装置および擬似三次元地図情報表示方法
US20160012754A1 (en) Three-dimensional map display device
JP6345411B2 (ja) ナビゲーション装置の写真地図表示方法及びナビゲーション装置
US10409842B2 (en) Storage medium, map information processing apparatus, and data generation method
US20140288827A1 (en) Guiding server, guiding method and recording medium recording guiding program
JP4640011B2 (ja) 画像処理装置、遠景画像表示方法および遠景画像表示プログラム
KR100695478B1 (ko) 네비게이션 단말기용 테마 지도 구현 장치 및 방법
JP6689530B2 (ja) 電子装置
JP5734451B2 (ja) 地図データ変換方法、記憶媒体、地図表示装置
JP6533075B2 (ja) 地図画像表示装置、ナビゲーション装置、地図画像表示プログラム、及び地図画像表示方法
JP5677587B2 (ja) 地図表示装置
JP2007212836A (ja) 情報取得装置、情報表示装置及び情報取得方法等
JP2007078774A (ja) 車両誘導装置
JP2007133464A (ja) 情報処理装置、情報処理方法、およびプログラム
JP6574570B2 (ja) 情報処理装置、プログラム、描画方法
JP2000356525A (ja) カーナビゲーションシステムにおける地図表示方法及びカーナビゲーションシステムにおける地図表示方式
JP2004333155A (ja) 情報提示装置及び情報提示方法、並びにコンピュータ・プログラム
KR20180101866A (ko) 기상에 따른 도로구간 위험도의 지도 표출 방법, 이를 수행하는 지도 서비스 시스템, 및 이에 사용되는 웹서버

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11875337

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2013542762

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11875337

Country of ref document: EP

Kind code of ref document: A1