WO2017199999A1 - 地図表示システムおよび地図表示プログラム - Google Patents
地図表示システムおよび地図表示プログラム Download PDFInfo
- Publication number
- WO2017199999A1 WO2017199999A1 PCT/JP2017/018507 JP2017018507W WO2017199999A1 WO 2017199999 A1 WO2017199999 A1 WO 2017199999A1 JP 2017018507 W JP2017018507 W JP 2017018507W WO 2017199999 A1 WO2017199999 A1 WO 2017199999A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- road
- line
- line segment
- road line
- character
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
- G09B29/10—Map spot or coordinate position indicators; Map reading aids
-
- 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
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3667—Display of a road map
- G01C21/3673—Labelling using text of road map data items, e.g. road names, POI names
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/203—Drawing of straight lines or curves
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/60—Editing figures and text; Combining figures or text
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
- G09B29/003—Maps
-
- 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
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
Definitions
- the present invention relates to a map display system and a map display program.
- Patent Document 1 A technique for displaying road names along a road is known (see Patent Document 1).
- Patent Document 1 a straight road portion of a road is used as a road name display portion.
- the present invention has been made in view of the above problems, and an object of the present invention is to provide a technology capable of arranging characters along a road so as to improve appearance and legibility.
- a map display system of the present invention is a map display system that arranges a plurality of characters along a road line that is a polygonal line representing a road shape, and is a first road that constitutes a road line.
- the connecting portion where the route segment and the second road segment connect the first character arranged in the first direction, which is the direction corresponding to the first road segment, and the direction corresponding to the second road segment
- An arrangement portion that arranges a third character in a third direction, which is a direction between the first direction and the second direction, between the second character arranged in the second direction, a road line, and a plurality of And a display control unit for displaying the characters on the display unit.
- the map display program according to the present invention corresponds to the first road line segment at the connection portion where the computer connects the first road line segment and the second road line segment.
- the third character is moved in the first direction between the first character arranged in the first direction that is the direction of movement and the second character arranged in the second direction that is the direction corresponding to the second road segment.
- a display control unit for displaying a road line and a plurality of characters on the display unit.
- the third character is arranged in the third direction between the first direction and the second direction between the second characters in the two directions.
- the map display system of the present invention provides a first road line segment and a second road line at a connection portion where the first road line segment and the second road line segment constituting the road line are connected.
- a reference line acquisition unit that acquires a reference line that connects the minutes by a connecting curve that is a part of a circle or ellipse that touches the first road line segment and the second road line segment, and a plurality of characters on the reference line as a reference
- the map display program of the present invention is configured such that a computer connects a first road line segment and a first road line segment at a connection portion where a first road line segment and a second road line segment constituting a road line are connected.
- a reference line acquisition unit that acquires a reference line that connects two road lines by a connecting curve that is a part of a circle or ellipse that touches the first road line and the second road line, and a plurality of characters on the reference line Are arranged in a fixed direction with respect to the reference line, and a display control unit for displaying a road line and a plurality of characters on the display unit.
- connection curve that is a part of the circumference of a circle or an ellipse that touches the first road line segment and the second road line segment is a smooth curve, and therefore the first road line segment is gradually changed in direction. Can be connected to the second road segment.
- the reference line is a tangent to the connection curve, it is possible to suppress a change in direction at the connection portion between the reference line and the connection curve. Accordingly, it is possible to suppress a difference in direction between a plurality of characters arranged in a certain direction with respect to the reference line. Therefore, the appearance and legibility can be improved.
- FIG. 3A is an example of a map
- FIG. 3B is a graph of the bending angle
- 4A and 4B are diagrams showing the arrangement of characters
- FIG. 4C is a flowchart of map display processing.
- 5A to 5C are examples of maps according to another embodiment.
- 6A and 6B are examples of maps according to other embodiments.
- FIG. 1 is a block diagram showing a configuration of a navigation system 10 as a map display system according to an embodiment of the present invention.
- the navigation system 10 is provided in a vehicle.
- the navigation system 10 includes a control unit 20 and a recording medium 30.
- the control unit 20 includes a CPU, a RAM, a ROM, and the like, and executes a navigation program 21 stored in the recording medium 30 or the ROM.
- the recording medium 30 records map information 30a.
- the map information 30a includes link data for specifying a link connecting two nodes, node data indicating the position of the node, and the like.
- a link corresponds to a road section in which the vehicle can travel, and a node corresponds to an intersection that is an end point in the length direction of the link.
- the node data includes information about the intersection corresponding to the node.
- the link data includes shape interpolation point data indicating the position of the shape interpolation point set at the center in the link width direction.
- the link data includes information indicating the route name of the route formed by the link. A single route is formed by a plurality of continuous links, and the route name is recorded in association with the link.
- the vehicle includes a GPS receiver 41, a vehicle speed sensor 42, a gyro sensor 43, and a user I / F unit 44.
- the GPS receiver 41 receives radio waves from GPS satellites and outputs a signal for calculating the current location of the vehicle via an interface (not shown).
- the vehicle speed sensor 42 outputs a signal corresponding to the rotational speed of the wheels provided in the vehicle.
- the control unit 20 acquires the vehicle speed based on a signal from the vehicle speed sensor 42.
- the gyro sensor 43 detects angular acceleration about turning in the horizontal plane of the vehicle, and outputs a signal corresponding to the direction of the vehicle.
- the control unit 20 acquires the traveling direction of the vehicle based on the signal from the gyro sensor 43.
- the control unit 20 acquires the current location of the vehicle by specifying the travel locus of the vehicle based on output signals from the vehicle speed sensor 42 and the gyro sensor 43 and the like.
- the output signal of the GPS receiver 41 is used to correct the current location of the vehicle specified by the vehicle speed sensor 42, the gyro sensor 43, and the like.
- the user I / F unit 44 is an interface unit for providing various types of information to the user or inputting a user instruction.
- the user I / F unit 44 includes a touch panel display (not shown) and a speaker for outputting sound. Yes.
- the touch panel display is a display unit of the present invention and displays a map.
- the control unit 20 outputs a control signal to the user I / F unit 44 to output an arbitrary image and sound. Moreover, the control part 20 acquires a user's operation based on the touch operation with respect to a touchscreen display.
- the navigation program 21 corresponds to the map display program of the present invention.
- the navigation program 21 includes an offset line acquisition module 21a, a reference line acquisition module 21b, an arrangement module 21c, and a display control module 21d.
- the offset line acquisition module 21a, the reference line acquisition module 21b, the arrangement module 21c, and the display control module 21d function as a control unit 20 as a computer as an offset line acquisition unit, a reference line acquisition unit, an arrangement unit, and a display control acquisition unit, respectively.
- This is a program module to be executed.
- the control unit 20 acquires a road line that is a broken line representing the road shape by the function of the offset line acquisition module 21a.
- the control unit 20 draws a map to be displayed on the touch panel display based on the map information 30a, and the road position and shape included in the map based on the map information 30a. get.
- the position and shape of the road are the position and shape of the road line, which is a broken line that sequentially connects the nodes set in succession on the road and the shape interpolation points.
- FIG. 2A shows an example of a map.
- the road line R is composed of a plurality of line segments L (solid lines) that connect road points P (black circles), which are points obtained by plotting nodes or shape interpolation points on a map.
- the line segment L is a line that connects road points P that exist continuously on the road, and is a line that passes through the center in the width direction of the road.
- the control unit 20 acquires the road line R based on the node data and the shape interpolation point data of the map information 30a.
- the control unit 20 acquires an offset line O obtained by offsetting each line segment L constituting the road line R by the function of the offset line acquisition module 21a.
- the control unit 20 causes the offset line O (which is a line obtained by translating each of the line segments L constituting the road line R by a certain offset distance Y in a direction perpendicular to the line segment L. (Dashed line).
- the offset distance Y may be set based on the size of a character indicating a road route name, and is a length (0.5 to 1.0 times) of half or more of the vertical or horizontal length of the character. Etc.) may be set.
- the control unit 20 acquires a reference line that is a broken line formed by connecting two consecutive offset lines O via one or more connecting straight lines, and the reference line is The connecting straight line is set so that each of the two or more bending angles is closer to 180 degrees than the angle formed by the two offset lines O.
- the two consecutive offset lines O are two offset lines O in which the line segment L of the offset source road line R is connected to a single road point P, and the offset source road line R These are two offset lines O that can pass continuously on the line segment L.
- 2B and 2C are maps illustrating the reference line.
- the control unit 20 continues by the function of the reference line acquisition module 21b.
- a regular polygon that connects two offset lines O by a contour line is set.
- the control unit 20 sets a regular octagon in which the length of the perpendicular line extending from the center G to each side is the offset distance Y as the connected figure H.
- the control unit 20 sets the center G (center of gravity) of the connected graphic H at the road point P of the intersection of the offset source line segment L of the two offset lines O connected by the connected graphic H.
- the connected figure H is centered on the road point P at the intersection of the line segment L that is the offset source of the two consecutive offset lines O, and is connected to each of the two offset lines O (see FIG. 2A). Circumscribe the two-dot chain line).
- the radius of the connecting circle V is the offset distance Y.
- the connected figure H is not limited to a regular octagon as long as it is a figure that can calculate the direction of the outline (side).
- the function of the reference line acquisition module 21b causes the control unit 20 to rotate so that any side of the connected figure H is parallel (overlapped) with one of the two consecutive offset lines O.
- the connected figure H is acquired.
- the connected figure H may not be set in a direction in which one side is parallel to the offset line O, and may be set in a predetermined direction, for example. Since the connected figure H circumscribes the connected circle V that each of the two consecutive offset lines O touches, the two offset lines O are connected to the connected figure H regardless of the direction in which the connected figure H rotates. It will intersect or touch either side of
- the control unit 20 cuts the two consecutive offset lines O and the connected graphic H at the intersections thereof, and the offset line O includes a portion inside the connected graphic H and 2 Of the parts of the connected figure H cut into pieces, the side close to the road line R is discarded. Then, as illustrated in FIG. 2C, the control unit 20 acquires a reference line K obtained by combining a part of the offset line O that remains without being discarded and a part of the connected figure H.
- the reference line K is a continuous line along the road line R.
- two consecutive offset lines O are connected by a connecting line E that is a part of the connecting figure H.
- the connecting line E is composed of one or more connecting straight lines e1 to e3 that constitute a part of the contour line of a regular octagon (connected figure H).
- the bending angle of the reference line K (each portion corresponding to the two offset lines O connected by the connecting straight lines e1 to e3) is two or more.
- the two or more bending angles are constituted by a bending angle ⁇ which is an inner angle of the connecting figure H and a bending angle ⁇ which is an angle between the end connecting straight lines e1 and e3 and the offset line O.
- the connecting figure H is rotated so that the side of the connecting figure H that becomes the rightmost connecting line e1 and the offset line O to which the connecting line e1 connects are in the same direction.
- the angle formed by the connecting straight line e1 and the offset line O is 0 degree.
- the internal angle (flexion angle ⁇ ) of the connected figure H is 135 degrees.
- an angle (one smaller than 180 degrees) formed by extension lines U (one-dot chain lines) obtained by extending each of two consecutive offset lines O is defined as an initial angle ⁇ .
- the control unit 20 when the internal angle ⁇ of the connected figure H is closer to 180 degrees than the initial angle ⁇ , the control unit 20 connects the two consecutive offset lines O with the connected figure H.
- the control unit 20 when the inner angle ⁇ of the connected figure H is not closer to 180 degrees than the initial angle ⁇ , the control unit 20 does not connect the two consecutive offset lines O with the connected figure H.
- the control unit 20 acquires a reference line K formed by connecting the two offset lines O by an extension line U obtained by extending each of the two consecutive offset lines O. Therefore, the reference line K (the portions corresponding to the two offset lines O connected by the extension line U) has only one bending angle.
- the bending angle ⁇ which is the inner angle of the connected figure H, is closer to 180 degrees than the initial angle ⁇ .
- the bending angle ⁇ which is an angle between the end connecting straight lines e1 and e3 and the offset line O, is closer to 180 degrees than the initial angle ⁇ . That is, all the bending angles ⁇ and ⁇ of the reference line K are closer to 180 degrees than the initial angle ⁇ .
- FIG. 3A is an enlarged view of a map showing a state where the connected graphic H and the offset line O intersect.
- the connected figure H (partially shown) is a connected circle in which the center G is located at the road point P at the intersection of the offset source line segment L of two consecutive offset lines O and touches each of the two offset lines O. It circumscribes V (partially shown).
- bending angles ⁇ 1 and ⁇ 2 which are angles at which the offset line O contacting the connection circle V at the arbitrary contact point Q 1 on the circumference of the connection circle V intersects the side of the connection figure H.
- offset line O is a line segment to the end point of contact Q 1 in contact with the circumference of the round linking V, for convenience of explanation, illustrating the offset line O by a straight line passing through the contact point Q 1.
- the bending angle ⁇ 1 is formed by the offset line O and the connecting figure H.
- the bending angle ⁇ 2 is formed by the offset line O and the connecting figure H.
- the intersection of the connecting figure H and the offset line O is defined as the point Q 3, Q 4, define the vertices of the connecting figure H is the intersection of the two sides point Q 3, Q 4 is present as a point Q 2 . Further, the intersections between the two sides where the points Q 3 and Q 4 , which are the intersections of the connected figure H and the offset line O, and the connection circle V are defined as points Q 6 and P 7 . Further, a line connecting the point Q 2 which is the vertex of the connected figure H and the center G is defined as a center line J. An angle Q 1 GQ 5 formed by a straight line extending from the center G to the contact point Q 1 between the offset line O and the connecting circle V and the center line J is defined as ⁇ .
- FIG. 3B is a graph of the bending angles ⁇ 1 and ⁇ 2 .
- the angle ⁇ changes in the range of 0 to (90 ⁇ / 2) [degree]
- the bending angle ⁇ 1 changes in the range of ⁇ to (90 + ⁇ / 2) [degree]
- the bending The angle ⁇ 2 varies in the range of (90 + ⁇ / 2) to 180 [degrees]. Since the inner angle ⁇ is closer to 180 degrees than the initial angle ⁇ , the bending angles ⁇ 1 and ⁇ 2 are always closer to 180 degrees than the initial angle ⁇ . Therefore, no matter what direction the offset line O intersects the connecting figure H, all the bending angles ⁇ and ⁇ of the reference line K are closer to 180 degrees than the initial angle ⁇ . This relationship holds even when the connected figure H is a regular polygon other than a regular octagon.
- the control unit 20 uses the function of the reference line acquisition module 21b. Then, the two offset lines O are cut at the intersections, and a reference line K obtained by discarding the cut end portions is obtained.
- the end portion is a portion where the distance to any line segment L is less than the offset distance Y.
- the reference line K does not necessarily have to have all the bending angles closer to 180 degrees than the initial angle ⁇ , and at least the portions where the connecting straight lines e1 to e3 are set have the bending angles ⁇ and ⁇ . It is sufficient that the angle is closer to 180 degrees than the initial angle ⁇ .
- the control unit 20 arranges a plurality of characters in a fixed direction with respect to the reference line K on the reference line K by the function of the arrangement module 21c. Specifically, by the function of the placement module 21c, the control unit 20 acquires the road name of the road corresponding to the road line R from the link data of the map information 30a, and does not illustrate a text image of each character constituting the road name. Get from font data.
- FIG. 4A is a diagram showing text images T1 to T4 of a plurality of characters “AIIB” constituting a route name.
- the text images T1 to T4 are rectangular images, and the length in the vertical direction may be common to each character, and the length in the horizontal direction may be different for each character.
- the center of gravity of the text images T1 to T4 is defined as the center point C1
- the directions of the bottom sides of the text images T1 to T4 are defined as the character directions V1 to V4 indicated by the text images T1 to T4.
- the control unit 20 arranges characters by setting the center point C1 and the directions V1 to V4 on the map.
- portions other than characters are transparent images, and the outlines of the text images T1 to T4 are actually transparent.
- the control unit 20 places the center points C1 to C4 of the text images T1 to T4 on the reference line K, and the direction of the reference line K at the center points C1 to C4. And the direction V1 to V4 of each character are matched. That is, the control unit 20 arranges the character directions V1 to V4 so as to be in a certain direction (parallel) with respect to the direction of the reference line K.
- the distances (distances on the reference line K) between the center points C1 to C4 of the text images T1 to T4 arranged continuously in the direction along the road line R are intervals D1 to D3.
- the intervals D1 to D3 are intervals between the continuous center points C1 to C4 when the text images T1 to T4 are arranged in the horizontal direction without any gaps. That is, the interval D1 between the center points C1 and C2 is half of the total value of the horizontal lengths of the text images T1 and T2, and the interval D2 between the center points C2 and C3 is the horizontal direction of the text images T2 and T3.
- the distance D3 between the center points C3 and C4 is half the total value of the horizontal lengths of the text images T3 and T4.
- the lengths in the horizontal direction of the text images T1 to T4 are set so that the spacing between the characters can be felt evenly.
- the center points C1 to C4 may be arranged at any position on the reference line K as long as the intervals D1 to D3 are secured.
- the control unit 20 arranges the center points C1 to C4 so that the text images T3 and T4 are arranged as far as possible from the road line R of other roads and other display objects (such as icons indicating facilities). May be.
- the control unit 20 may arrange the center points C1 to C4 at a middle position between two other road lines R intersecting with the road line R. Further, the control unit 20 may arrange the center points C1 to C4 at the position where the linearity of the reference line K is the largest.
- the control unit 20 causes the display unit to display the road line R and a plurality of characters by the function of the display control module 21d. That is, when the arrangement of each character is completed, the control unit 20 draws a map including the road line R and the text images T1 to T4 by the function of the display control module 21d, and displays the map on the touch panel display. As a result, the route names indicated by the text images T1 to T4 can be displayed along the road line R.
- a reference line K which is a broken line formed by connecting two consecutive offset lines O via one or more connecting straight lines e1 to e3, is obtained, and the reference line
- the connecting straight lines e1 to e3 are set so that each of the two or more bending angles ⁇ and ⁇ of K is closer to 180 degrees than the initial angle ⁇ formed by the two offset lines O.
- the reference line K having two or more bending angles ⁇ and ⁇ is formed by connecting the two offset lines O by one or more connecting straight lines e1 to e3.
- each of the bending angles ⁇ and ⁇ of the reference line K closer to 180 degrees than the angle formed by the two offset lines, the line segments constituting the reference line K (two consecutive offsets) Differences in the direction of the line O and one or more connecting straight lines e1 to e3) can be suppressed.
- the difference in the direction of the line segment constituting the reference line K By suppressing the difference in the direction of the line segment constituting the reference line K, the difference between the directions V1 to V4 of a plurality of characters arranged in the direction of the reference line K can be suppressed, and the appearance and legibility can be improved. Can do.
- the control unit 20 connects the first road line segment R1 and the second road line segment R2 constituting the road line R by the function of the placement module 21c.
- the first character (T1) arranged in the first direction (V1) that is the direction corresponding to the first road line segment R1
- the second direction that is the direction corresponding to the second road line segment R2.
- the third character (T3) is the direction between the first direction (V1) and the second direction (V4) between the second character (T4) arranged in the direction (V4). In other words, it is arranged in (V3).
- the first direction (V1) and the second direction (V4) are directions corresponding to the first road line segment R1 and the second road line segment R2, respectively, and the third direction (V3) is a connection line segment. It is a direction corresponding to the connection line E (connection straight line e2).
- the first character (T1) and the second character (T4) are arranged in the third direction (V3), which is the direction between the first direction (V1) and the second direction (V4).
- the control unit 20 sets a regular polygon that connects two consecutive offset lines O with a contour line. Thereby, the magnitude of the bending angle ⁇ sandwiched between the connecting straight lines e1 to e3 can be made uniform, and the change in the direction of the reference line K can be evenly dispersed.
- the connected figure H may be set so that there is only one bending angle ⁇ , ⁇ in a section corresponding to each of the intervals D1 to D3 of the center points C1 to C4 of the text images T1 to T4.
- the length of the side Q 2 Q 7 of the right triangle Q 2 Q 7 G in FIG. 3A is defined as X.
- Y / X tan ( ⁇ / 2)
- map display processing executed by the function of the navigation program 21 will be described.
- the map display process of this embodiment is a process executed when a map is newly displayed or when there is a change in the position or scale of a map that is already displayed.
- FIG. 4C is a flowchart of the map display process.
- the control unit 20 acquires the offset line O by the function of the offset line acquisition module 21a (step S100). That is, as shown in FIG. 2A, the control unit 20 acquires a road line R constituted by a plurality of line segments L connecting road points P obtained by plotting nodes or shape interpolation points on a map, and a plurality of lines An offset line O, which is a line obtained by translating each of the minutes L by a fixed offset distance Y in a direction perpendicular to the line segment L, is acquired.
- the control part 20 should just acquire the offset line O about the area which arrange
- the control unit 20 sets the connecting straight lines e1 to e3 by the function of the reference line acquisition module 21b (step S105). That is, as shown in FIG. 2B and FIG. 2C, when the two offset lines O do not intersect, the control unit 20 sets a connected figure H and sets the two offset lines O by the connected figure H. Link. Specifically, the control unit 20 sets the center G of the connected graphic H at the road point P at the intersection of the offset source line segment L of the two offset lines O connected by the connected graphic H. Further, the control unit 20 sets a connected figure H in which the length of the perpendicular line extending from the center G to each side becomes the offset distance Y.
- disconnects the offset line O and the connection figure H at these intersections, the part inside the connection figure H among the offset lines O, and the part of the connection figure H part cut
- the side close to the road line R is discarded.
- Straight lines that constitute portions of the connected figure H that remain without being discarded are connected straight lines e1 to e3.
- step S105 the following exceptional processing is performed. Specifically, when two consecutive offset lines O originally intersect, the control unit 20 connects the two offset lines O at the intersection of the two offset lines O. When the two consecutive offset lines O do not originally intersect and the initial angle ⁇ formed by the two offset lines O is equal to or smaller than the inner angle ⁇ of the connected figure H, the control unit 20 The two offset lines O are connected by an extension line U of the two offset lines O. In step S105, two consecutive offset lines O to be processed are sequentially selected from all the offset lines O, and the two consecutive offset lines O are sequentially connected.
- the control unit 20 acquires the reference line K by the function of the reference line acquisition module 21b (step S110). That is, as shown in FIG. 2C, the control unit 20 combines the reference line by combining a part of the offset line O that remains without being discarded and a part of the connected figure H (connected straight lines e1 to e3). Get K. When two offset lines O that are originally continuous intersect, the control unit 20 cuts the offset line O at the intersection of the two offset lines O, and discards the cut end portion. .
- the control unit 20 arranges characters on the reference line K by the function of the reference line acquisition module 21b (step S115). That is, as shown in FIG. 4B, the control unit 20 arranges the text images T1 to T4 so that the intervals between the center points C1 to C4 on the reference line K are the intervals D1 to D3. Further, the control unit 20 arranges the text images T1 to T4 in a direction in which the base direction (character directions V1 to V4) coincides with the direction of the reference line K at the center points C1 to C4.
- the control unit 20 displays a map by the function of the display control module 21d (step S140). That is, the control unit 20 draws a map including the road line R and the text images T1 to T4, and displays the map on the touch panel display. As a result, the route names indicated by the text images T1 to T4 can be displayed along the road line R.
- the control unit 20 causes the first road line segment R1 and the second road line R1 to be connected to the second road line segment R1 and the second road line segment R2 in the connection portion Z where the first road line segment R1 and the second road line segment R2 are connected.
- the control unit 20 acquires a reference line K obtained by connecting two consecutive offset lines O to each other by a connecting curve that is a part of a circumference of a circle or an ellipse in contact with the two offset lines O.
- 5A and 5B are maps illustrating the reference line K according to the present embodiment.
- the control unit 20 determines the line segment of the offset source of the two offset lines O.
- a connecting circle V is obtained that is centered on the road point P at the intersection of L and touches each of the two offset lines O.
- two consecutive offset lines O cross each other like the first to second offset lines O from the right in FIG.
- the control unit 20 sandwiches the two offset lines O between the roads.
- a connected circle V having a center on the opposite side of the route R and in contact with each of the two offset lines O is acquired.
- the radius of the connecting circle V is the offset distance Y.
- the control unit 20 uses the function of the reference line acquisition module 21b to The offset line O and the connecting circle V are cut at these contact points, and the side close to the road line R in the portion of the connecting circle V cut into two pieces is discarded.
- the control unit 20 uses the function of the reference line acquisition module 21b to make the 2 The offset line O and the connecting circle V are cut at these contact points, and the connecting circle V of the cut offset line O and the side far from the road line R in the portion of the connecting circle V cut into two pieces are connected.
- the control unit 20 combines the part of the offset line O that remains without being discarded and the part of the connecting circle V by the function of the reference line acquisition module 21b, thereby Get line K.
- the reference line K is a continuous line along the road line R.
- two consecutive offset lines O are connected by a connecting curve F that is a part of the connecting circle V.
- the connecting curve F is a curve in contact with the two offset lines O
- the two offset lines O can be connected while smoothly changing the direction.
- the offset line O is a tangent to the connecting curve F
- a change in direction at the connection point between the offset line O and the connecting curve F can be suppressed. Therefore, the difference in the direction of the plurality of characters arranged in the direction of the reference line K can be suppressed. Therefore, the appearance and legibility can be improved.
- FIGS. 5A to 5C in the connection portion Z where the first road line segment R1 and the second road line segment R2 connect, the direction of the first road line segment R1 and the direction of the second road line segment R2 A connecting curve F having a direction between can be set.
- the third character is arranged in the direction of the connecting curve F between the first character arranged in the direction of the first road line segment R1 and the second character arranged in the direction of the second road line segment R2. It can.
- the direction of the third character is a direction between the direction of the first road line segment R1 and the direction of the second road line segment R2. Therefore, the appearance and legibility can be improved.
- two continuous offset lines O may be connected by an ellipse.
- the two offset lines O may be connected by a connecting figure H that is a regular polygon.
- FIG. 5C is a diagram showing only one connecting straight line e.
- the control unit 20 acquires a reference line K obtained by connecting both ends of the two offset lines O by one connecting line e.
- the two bending angles ⁇ sandwiched between the connecting straight line e and the offset line O have the same magnitude, and the deviation angles (180 ⁇ [degrees]) of the two bending angles ⁇ with respect to 180 degrees are equal.
- the control unit 20 sets the deviation angle (180 ⁇ [degrees]) with respect to 180 degrees of the bending angle ⁇ to 180 of the initial angle ⁇ .
- the deviation angle with respect to degrees (180- ⁇ [degrees]) may be set to a size that is equally divided into N.
- the center G of the connected figure H and the connected circle V is not necessarily located at the road point P at the intersection of the line segment L that is the offset source of the two consecutive offset lines O.
- the connected figure H does not necessarily have to be a regular polygon circumscribing a circle whose radius is the offset distance Y.
- the connecting figure H may be set in a direction in which two bending angles ⁇ sandwiched between the end connecting straight lines e1 and e3 and the offset line O are equal to each other.
- the control unit 20 can connect the first road line segment R1 and the second road line segment R2 constituting the road line R in a direction corresponding to the first road line segment R1. Between the first character arranged in a certain first direction and the second character arranged in the second direction which is the direction corresponding to the second road line segment R2, the third character is changed between the first direction and the first character.
- the method may be arranged in the third direction that is between the two directions, and the method of arranging the third character in the third direction is not limited to the method described above.
- the control unit 20 may arrange the first character, the second character, and the third character so that the difference in direction between consecutive characters in the connection unit Z becomes equal by the function of the arrangement module 21c.
- the control unit 20 sets the reference line K so that the bending angles are uniform, so that the difference between the directions of consecutive characters in the connection unit Z is uniform.
- a third character may be arranged.
- FIG. 6A shows how the reference line K is set so that the bending angles are uniform.
- a connection portion Z to which two consecutive offset lines O1 and O2 are connected is shown.
- the directions of the offset lines O1 and O2 can be equated with the directions of the road line segments R1 and R2 of the offset original road line R.
- the direction of the offset line O2 is the direction changed by the change angle ⁇ from the direction of the offset line O1.
- the control unit 20 acquires a distribution angle ⁇ / 3 obtained by dividing the change angle ⁇ (0 degree ⁇ ⁇ 180 degrees) into three equal parts, and an offset line O1 by a distribution angle ⁇ / 3 at a bending point W1 on the offset line O1.
- the control unit 20 sets a bending point W2 on the connecting straight line e1, and at the bending point W2, a connecting straight line e2 whose direction changes from the connecting straight line e1 to the offset line O2 side by the distribution angle ⁇ / 3 (shown by a broken line). ) Is set.
- control unit 20 sets the connecting line E that is bent at the three bending points W1 to W3 by setting the bending point W3 at the intersection of the connecting straight line e2 and the offset line O2.
- the direction of the offset line O2 changes from the connecting straight line e2 by the distribution angle ⁇ / 3.
- the difference in direction between consecutive characters in the connecting portion Z means that the difference between the directions of consecutive characters in the connecting portion Z is equal to that greater than 0 degrees.
- a continuous character whose direction difference is the distribution angle ⁇ / 3 and a continuous character whose direction difference is 0 degree may be mixed in the connection portion Z. That is, two or more characters may be arranged on at least one of the connecting straight lines e1 and e2 set as described above.
- the distance between the continuous bending points W1 to W3 can be equalized.
- the distance between successive bending points W1 to W3 may be set to be approximately the same as the width of the text images T1 to T4, for example.
- the distance between the continuous bending points W1 to W3 may not be uniform.
- the distribution angle at each of the bending points W1 to W3 may not be a natural number of the change angle ⁇ .
- the number of bending points may be increased by increasing the number of natural numbers that equally divide the change angle ⁇ .
- control unit 20 does not necessarily need to set the reference line K.
- the control unit 20 does not necessarily set the reference line K in the first direction corresponding to the first road line segment R1.
- the third character is placed in the direction between the first direction and the second direction. You may arrange
- control unit 20 arranges the first character, the second character, and the third character on the road line R or the offset line O in the direction of the road line R or the offset line O, and then the first character and the first character You may correct
- FIG. 6B shows how the direction of the third character is corrected.
- the first character (T1) and the second character (T3) are arranged in directions (V1, V3), respectively.
- the directions (V1, V3) of the first character (T1) and the second character (T3) are the directions of the first road segment R1 and the second road segment R2, respectively.
- the controller 20 determines that the direction (V2) of the third character (T2) between the first character (T1) and the second character (T3) is the direction of the first character (T1) and the second character (T3) (
- the third character (T2) is rotationally corrected so as to be in the average direction of V1, V3).
- the third character can be arranged in the third direction, which is the direction between the first direction and the second direction.
- the direction of the third character (T2) may be a direction between the direction of the first character (T1) and the direction of the second character (T3), and does not necessarily have to be an average direction.
- the road line representing the road shape is a broken line connecting a plurality of points on the road with line segments, and may be a line obtained by offsetting the broken line representing the road shape.
- the road point may be a point set at the center in the width direction of the road, a node set on the intersection, or a shape interpolation point set on a road other than the intersection. There may be.
- the road line is not limited to representing a road shape when the road is viewed from vertically above, but may represent a bird's-eye road shape when the road is viewed obliquely from above.
- To offset a line segment means to translate the line segment in a direction perpendicular to the original line segment by a preset offset distance on the map plane.
- the offset distance may be set according to the character size, scale, or user operation. For example, the offset distance may be set to such a distance that characters and road lines are not displayed overlapping each other on the map.
- the first road line segment and the second road line segment mean two line segments connected to a common point (node, shape interpolation point, etc.) on the road line.
- the first road line segment and the second road line segment may be two offset lines (or extensions thereof) obtained by offsetting two line segments connected to a common point.
- the reference line is formed by connecting the first road line segment and the second road line segment through one or more connecting straight lines.
- the reference line is the bending angle between the first road line segment and one connecting straight line, and the one And a bending angle (two in total) sandwiched by the second road line segment.
- the reference line has a bending angle sandwiched between the first road line segment and the first connecting straight line, It has a bending angle sandwiched between the first connecting straight line and the second connecting straight line, and a bending angle sandwiched between the second connecting straight line and the second road line segment (3 in total).
- the reference line acquisition unit is connected so that the deviation angle of each bend angle with respect to 180 degrees is an evenly distributed angle of deviation of 180 degrees between the angles formed by the first road line segment and the second road line segment.
- a straight line may be set.
- Arranging a plurality of characters in a certain direction with respect to the reference line on the reference line means arranging the plurality of characters so that the angle formed by each of the plurality of character directions and the direction of the reference line is constant.
- the direction of the character may be, for example, the vertical direction of the character or the horizontal direction.
- the constant angle formed by the direction of the character and the direction of the reference line may be set to 0 degrees or 90 degrees, for example.
- the characters may be arranged such that the direction of each character is inclined by 30 degrees with respect to the direction of the reference line.
- the reference line acquisition unit may set a regular polygon that connects the first road line segment and the second road line segment by a contour line.
- interposed by the connection straight lines can be equalized, and the change of the direction of a reference line can be disperse
- the angle formed by the first road line segment and the second road line segment is closer to 180 degrees than the interior angle of the regular polygon, the first road line segment and the second road segment are obtained without acquiring the reference line.
- a plurality of characters may be arranged as they are on the road line segment. Also, the larger the number of apex angles of the regular polygon, the closer the bending angle of the reference line can be to 180 degrees, which is desirable.
- the number of apex angles of the regular polygon may be eight, for example, or may be other than eight. Further, the number of apex angles of the regular polygon may be set so that the interior angle of the regular polygon is closer to 180 degrees than the angle formed by the first road line segment and the second road line segment.
- the reference line is obtained by connecting the first road line segment and the second road line segment by a connection curve that is a part of a circle or an ellipse around the first road line segment and the second road line segment. It may be formed.
- the reference line connects the continuous first road line segment and the second road line segment by a curve that is not a part of the circumference of the circle or ellipse that touches the first road line segment and the second road line segment. May be formed.
- the method of arranging characters so as to suppress the change in direction can also be applied as a program or method.
- the system, program, and method as described above may be realized as a single device, or may be realized using components shared with each part of the vehicle, and include various aspects. It is a waste.
- some changes may be made as appropriate, such as a part of software and a part of hardware.
- the invention is also established as a recording medium for a program for controlling the apparatus.
- the software recording medium may be a magnetic recording medium, a magneto-optical recording medium, or any recording medium to be developed in the future.
- DESCRIPTION OF SYMBOLS 10 ... Navigation system, 20 ... Control part, 21 ... Navigation program, 21a ... Offset line acquisition module, 21b ... Reference line acquisition module, 21c ... Arrangement module, 21d ... Display control module, 30 ... Recording medium, 30a ... Map information, DESCRIPTION OF SYMBOLS 41 ... GPS receiving part, 42 ... Vehicle speed sensor, 43 ... Gyro sensor, 44 ... User I / F part, C1-C4 ... Center point, E ... Connection line, F ... Connection curve, G ... Center, H ... Connection figure, J ... center line, K ... reference line, L ... line segment, O ... offset line, P ... road point, Q 1 ... contacts, R ...
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Business, Economics & Management (AREA)
- Mathematical Physics (AREA)
- Automation & Control Theory (AREA)
- Navigation (AREA)
- Instructional Devices (AREA)
- Processing Or Creating Images (AREA)
Abstract
Description
本発明は、前記課題にかんがみてなされたもので、見栄えや判読性が良くなるように道路に沿って文字を配置できる技術を提供することを目的とする。
(1)ナビゲーションシステムの構成:
(2)地図表示処理:
(3)他の実施形態:
図1は、本発明の一実施形態にかかる地図表示システムとしてのナビゲーションシステム10の構成を示すブロック図である。ナビゲーションシステム10は、車両に備えられている。ナビゲーションシステム10は、制御部20と記録媒体30とを備えている。制御部20は、CPUとRAMとROM等を備え、記録媒体30やROMに記憶されたナビゲーションプログラム21を実行する。
次に、ナビゲーションプログラム21の機能により実行される地図表示処理を説明する。本実施形態の地図表示処理は、地図を新たに表示する場合や、すでに表示している地図の位置や縮尺に変化がある場合に実行される処理である。
基準線取得モジュール21bの機能により制御部20は、道路線Rを構成する第1道路線分R1と第2道路線分R2とが接続する接続部Zにおいて、第1道路線分R1と第2道路線分R2を、第1道路線分R1と第2道路線分R2に接する円または楕円の周の一部分である連結曲線によって連結した基準線Kを取得してもよい。具体的に、制御部20は、連続する2個のオフセット線O同士を、当該2個のオフセット線Oに接する円または楕円の周の一部分である連結曲線によって連結した基準線Kを取得してもよい。図5A,図5Bは、本実施形態にかかる基準線Kの説明する地図である。図5Aの左から1~2番目のオフセット線Oのように、連続する2個のオフセット線Oが交差していない場合、制御部20は、当該2個のオフセット線Oのオフセット元の線分Lの交点の道路点Pを中心とし、当該2個のオフセット線Oのそれぞれに接する連結円Vを取得する。一方、図5Bの右から1~2番目のオフセット線Oのように、連続する2個のオフセット線Oが交差している場合、制御部20は、当該2個のオフセット線Oを挟んで道路線Rの反対側に中心が存在し、当該2個のオフセット線Oのそれぞれに接する連結円Vを取得する。いずれの場合も連結円Vの半径はオフセット距離Yである。
Claims (8)
- 道路形状を表す折れ線である道路線に沿うように複数の文字を配置する地図表示システムであって、
前記道路線を構成する第1道路線分と第2道路線分とが接続する接続部において、前記第1道路線分に対応する方向である第1方向で配置される第1文字と、前記第2道路線分に対応する方向である第2方向で配置される第2文字との間にて、第3文字を前記第1方向と前記第2方向との間の方向である第3方向で配置する配置部と、
前記道路線と前記複数の文字とを表示部に表示させる表示制御部と、
を備える地図表示システム。 - 前記第1道路線分と前記第2道路線分とを1個以上の連結線分を介して連結することにより形成した折れ線である基準線を取得する基準線取得部と、を備え、
前記第1方向および前記第2方向は、前記第1道路線分と前記第2道路線分のそれぞれに対応する方向であり、
前記第3方向は、前記連結線分に対応する方向である、
請求項1に記載の地図表示システム。 - 前記基準線取得部は、前記基準線が有する2個以上の屈曲角のそれぞれが前記第1道路線分と前記第2道路線分とがなす角よりも180度に近くなるように前記連結線分を設定する、
請求項2に記載の地図表示システム。 - 前記配置部は、前記接続部において連続する文字同士の方向の差が均等となるように前記第1文字と前記第2文字と前記第3文字とを配置する、
請求項1から請求項3のいずれか一項に記載の地図表示システム。 - 前記基準線取得部は、前記第1道路線分と前記第2道路線分とを連結する正多角形の輪郭線を前記連結線分として設定する、
請求項3に記載の地図表示システム。 - 道路形状を表す折れ線である道路線に沿うように複数の文字を配置する地図表示システムであって、
前記道路線を構成する第1道路線分と第2道路線分とが接続する接続部において、前記第1道路線分と前記第2道路線分を、前記第1道路線分と前記第2道路線分に接する円または楕円の周の一部分である連結曲線によって連結した基準線を取得する基準線取得部と、
前記基準線上において、前記複数の文字を前記基準線に対して一定の方向で配置する配置部と、
前記道路線と前記複数の文字とを表示部に表示させる表示制御部と、
を備える地図表示システム。 - 道路形状を表す折れ線である道路線に沿うように複数の文字を配置する機能をコンピュータに実現させる地図表示プログラムであって、
前記コンピュータを、
前記道路線を構成する第1道路線分と第2道路線分とが接続する接続部において、前記第1道路線分に対応する方向である第1方向で配置される第1文字と、前記第2道路線分に対応する方向である第2方向で配置される第2文字との間にて、第3文字を前記第1方向と前記第2方向との間の方向である第3方向で配置する配置部、
前記道路線と前記複数の文字とを表示部に表示させる表示制御部、
として機能させる地図表示プログラム。 - 道路形状を表す折れ線である道路線に沿うように複数の文字を配置する機能をコンピュータに実現させる地図表示プログラムであって、
前記コンピュータを、
前記道路線を構成する第1道路線分と第2道路線分とが接続する接続部において、前記第1道路線分と前記第2道路線分を、前記第1道路線分と前記第2道路線分に接する円または楕円の周の一部分である連結曲線によって連結した基準線を取得する基準線取得部、
前記基準線上において、前記複数の文字を前記基準線に対して一定の方向で配置する配置部、
前記道路線と前記複数の文字とを表示部に表示させる表示制御部、
として機能させる地図表示プログラム。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/086,731 US10621889B2 (en) | 2016-05-20 | 2017-05-17 | Map display system and map display program |
JP2018518329A JP6680355B2 (ja) | 2016-05-20 | 2017-05-17 | 地図表示システムおよび地図表示プログラム |
EP17799423.3A EP3435358A4 (en) | 2016-05-20 | 2017-05-17 | MAP DISPLAY SYSTEM AND MAP DISPLAY PROGRAM |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016-101298 | 2016-05-20 | ||
JP2016101298 | 2016-05-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017199999A1 true WO2017199999A1 (ja) | 2017-11-23 |
Family
ID=60325246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2017/018507 WO2017199999A1 (ja) | 2016-05-20 | 2017-05-17 | 地図表示システムおよび地図表示プログラム |
Country Status (4)
Country | Link |
---|---|
US (1) | US10621889B2 (ja) |
EP (1) | EP3435358A4 (ja) |
JP (1) | JP6680355B2 (ja) |
WO (1) | WO2017199999A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11225447B2 (en) | 2018-05-16 | 2022-01-18 | Srf Limited | Process for purification of olefin feed comprising 1234YF |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2021206860B2 (en) * | 2020-10-27 | 2022-09-08 | Canva Pty Ltd | Systems and methods for applying effects to design elements |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05269956A (ja) * | 1992-03-25 | 1993-10-19 | Dainippon Screen Mfg Co Ltd | 任意の線に沿って組版する電子組版装置 |
JPH08194432A (ja) * | 1995-01-17 | 1996-07-30 | Nippondenso Co Ltd | 地図表示装置 |
US20080231643A1 (en) * | 2007-03-21 | 2008-09-25 | Nick Fletcher | Method and apparatus for controlling the size or opacity of map elements rendered in an interactive map view |
JP2015055738A (ja) * | 2013-09-11 | 2015-03-23 | アルパイン株式会社 | 地図表示装置および地図上における文字列表示方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0652418B1 (en) * | 1993-11-05 | 1998-02-04 | Koninklijke Philips Electronics N.V. | Vehicle navigation display system |
US6025851A (en) * | 1997-01-17 | 2000-02-15 | Ductus Incorporated | Envolvent approximation using accurate slope information |
JP2005115174A (ja) * | 2003-10-09 | 2005-04-28 | Navitime Japan Co Ltd | 地図表示装置、地図表示方法および地図表示プログラム |
JP2006293553A (ja) * | 2005-04-07 | 2006-10-26 | Aisin Aw Co Ltd | フォントデータの回転処理装置及び地図表示システム |
JP4609410B2 (ja) | 2006-10-18 | 2011-01-12 | 株式会社デンソー | 車両用ナビゲーション装置 |
JP5582674B2 (ja) * | 2007-07-20 | 2014-09-03 | アルパイン株式会社 | 文字データの生成装置および生成方法、文字データの表示制御装置および表示方法、ナビゲーション装置 |
US9317949B2 (en) | 2011-03-14 | 2016-04-19 | Mitsubishi Electric Corporation | String arrangement device |
WO2012140910A1 (ja) * | 2011-04-15 | 2012-10-18 | パナソニック株式会社 | 曲線描画装置、曲線描画方法、曲線描画プログラム及び集積回路 |
US8400453B2 (en) * | 2011-06-30 | 2013-03-19 | Google Inc. | Rendering a text image following a line |
JP6244137B2 (ja) * | 2013-08-12 | 2017-12-06 | 株式会社ジオ技術研究所 | 3次元地図表示システム |
US10234294B2 (en) * | 2016-04-01 | 2019-03-19 | Here Global B.V. | Road geometry matching with componentized junction models |
-
2017
- 2017-05-17 US US16/086,731 patent/US10621889B2/en active Active
- 2017-05-17 JP JP2018518329A patent/JP6680355B2/ja active Active
- 2017-05-17 WO PCT/JP2017/018507 patent/WO2017199999A1/ja active Application Filing
- 2017-05-17 EP EP17799423.3A patent/EP3435358A4/en not_active Ceased
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05269956A (ja) * | 1992-03-25 | 1993-10-19 | Dainippon Screen Mfg Co Ltd | 任意の線に沿って組版する電子組版装置 |
JPH08194432A (ja) * | 1995-01-17 | 1996-07-30 | Nippondenso Co Ltd | 地図表示装置 |
US20080231643A1 (en) * | 2007-03-21 | 2008-09-25 | Nick Fletcher | Method and apparatus for controlling the size or opacity of map elements rendered in an interactive map view |
JP2015055738A (ja) * | 2013-09-11 | 2015-03-23 | アルパイン株式会社 | 地図表示装置および地図上における文字列表示方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3435358A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11225447B2 (en) | 2018-05-16 | 2022-01-18 | Srf Limited | Process for purification of olefin feed comprising 1234YF |
Also Published As
Publication number | Publication date |
---|---|
JP6680355B2 (ja) | 2020-04-15 |
EP3435358A4 (en) | 2019-03-20 |
US20190130793A1 (en) | 2019-05-02 |
EP3435358A1 (en) | 2019-01-30 |
JPWO2017199999A1 (ja) | 2018-11-29 |
US10621889B2 (en) | 2020-04-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4345737B2 (ja) | デジタルコンテンツ作成システム、デジタルコンテンツ作成方法およびプログラム | |
JP2006293553A (ja) | フォントデータの回転処理装置及び地図表示システム | |
WO2017199999A1 (ja) | 地図表示システムおよび地図表示プログラム | |
JP2005115174A (ja) | 地図表示装置、地図表示方法および地図表示プログラム | |
JP6120736B2 (ja) | 地図表示装置および地図上における文字列表示方法 | |
JP2005249589A (ja) | ナビゲーション装置、要約地図配信装置、車両案内方法および地図表示装置 | |
JP2001307121A (ja) | 地図情報修正装置および地図情報修正方法 | |
JP4790280B2 (ja) | 地図データ表示装置、地図データ表示方法及びナビゲーション装置並びに地図データ表示プログラム | |
JP6589056B2 (ja) | 地図表示システムおよび地図表示プログラム | |
JP2006113457A (ja) | 要約地図作成装置 | |
JP7261084B2 (ja) | 地図表示システムおよび地図表示プログラム | |
JP4967391B2 (ja) | 地域データ作成装置、地域データ作成方法、地域データ作成プログラム、プログラム記録媒体、および、電子地図作成装置 | |
JP6658873B2 (ja) | 地図表示システムおよび地図表示プログラム | |
JP5203588B2 (ja) | 地図データ生成方法及び地図表示装置 | |
JP2008203351A (ja) | 位置情報処理装置、位置情報処理方法、および、位置情報処理プログラム | |
JP4642333B2 (ja) | 車載情報端末、要約地図作成装置、要約地図表示方法 | |
JP4926803B2 (ja) | 道路地図データ生成方法 | |
JP5273525B2 (ja) | ナビゲーション装置およびプログラム | |
JP2007192698A (ja) | 地図処理装置 | |
WO2020040196A1 (ja) | 地図表示システムおよび地図表示プログラム | |
JP6562826B2 (ja) | ナビゲーション装置 | |
JP2006177871A (ja) | 地図表示装置およびナビゲーション装置 | |
JP2019139126A (ja) | 地図表示システムおよび地図表示プログラム | |
JP2004354538A (ja) | 地図等のポリゴンデータの生成方法およびその生成装置ならびに地図等のポリゴンデータの表示装置 | |
JPH11296687A (ja) | 直線描画装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 2018518329 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2017799423 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2017799423 Country of ref document: EP Effective date: 20181022 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17799423 Country of ref document: EP Kind code of ref document: A1 |