JP5195846B2 - Information display method, information processing apparatus, and information display program - Google Patents

Description

  The present invention relates to a method and apparatus for displaying a map on a display screen and displaying a cursor (mark) indicating a position display target at a position measured as the current position of the position display target on the map.

  Portable navigation devices using GPS (Global Positioning System) have become widespread.

  In addition, there are many softwares that display the position of a position display target that is a moving object such as a person or a device or a vehicle on a map in real time on a PC (personal computer) or by using recorded position information log data. .

  In this case, when the position display object moves in a state where the position measured as the current position of the position display object is displayed on the map by the cursor, usually, the cursor is moved to a certain point on the display screen, for example, the center point. A method of scrolling the map in a fixed state is taken.

  Further, in Patent Document 1 (Japanese Patent Laid-Open No. 4-45476), when the position of the position display target is displayed on the map in this way, the time interval of the position measurement is changed according to the moving speed of the position display target. Has been shown to let

  The prior art documents listed above are as follows.

JP-A-4-45476

  By the way, the method of displaying the cursor at the position measured as the current position of the position display target on such a map is to indicate the position of one position display target.

  For this reason, for example, such a method has a problem that even if a plurality of position display objects approach within a predetermined distance, it cannot be recognized on the map that the plurality of position display objects are within the predetermined distance. It was.

  The present invention has been made in view of the above points, and intends to provide an information display method, an information processing apparatus, and an information display program capable of recognizing that a plurality of position display objects are within a predetermined distance. It is.

In order to solve such a problem, in the present invention, the inter-object distance detection unit of the information processing device performs the first position display based on the measurement position of the first position display target and the measurement position of the second position display target. An inter-object distance between the object and the second position display object is detected in a predetermined cycle, and the distance determination unit of the information processing apparatus detects the inter-object distance detected by the inter-object distance detection unit is equal to or greater than the first threshold distance The display control unit of the information processing apparatus determines whether the distance between the objects is greater than or equal to the first threshold distance according to the determination result by the distance determination unit, and displays the display screen in the first display mode. The first scale map is displayed on the first scale map displayed on the display screen, and the first cursor is displayed at a corresponding position corresponding to the measurement position of the first position display target. The distance between objects is smaller than the first threshold distance Sometimes, the first scale is smaller than a second scale map on the display screen in the second display mode and displays to fix the display area for the display screen, a map of the second scale displayed on the display screen The first cursor is displayed at the corresponding position corresponding to the measurement position of the first position display target, and the second cursor is displayed at the corresponding position corresponding to the measurement position of the second position display target. In response to the determination result by the distance determination unit in a state in which the second scale map is displayed on the display screen in the second display mode and the first and second cursors are displayed on the second scale map. When the distance between the objects becomes larger than the second threshold distance that is larger than the first threshold distance, the map is changed from the second display mode to the first display mode and the first scale map is displayed on the display screen. Display and The first cursor is displayed on the map of the first scale, the map of the first scale is displayed on the display screen in the first display mode, and the first cursor is displayed on the map of the first scale. When the distance between the objects becomes smaller than the first threshold distance according to the determination result by the distance determination unit in the state, the second display mode is changed from the first display mode to the second display mode. The display area for the display screen is fixed and the first and second cursors are displayed on the second scale map, and the display area is displayed on the display screen in the second display mode. The first cursor is moved in accordance with the movement of the first position display object on the second scale map displayed in a fixed manner, and the second cursor is moved in accordance with the movement of the second position display object. Less of the first and second cursors When one of them is moved to the surrounding area set on the display screen, the first and second cursors are simultaneously displayed on the first scale map so that they are positioned inside the surrounding area of the display screen. The display area of the map displayed on the display screen is changed so that the first and second cursors are located inside the surrounding portion by determining whether or not to obtain the first scale map on the first scale map. When the first and second cursors can be displayed at the same time so as to be positioned inside the peripheral portion of the display screen, the display area after the change is determined for the first scale map, and the first and second cursors are displayed on the display screen. When the first scale map cannot be displayed at the same time with the first and second cursors positioned inside the peripheral portion of the display screen, the first scale map is displayed. Smaller than a given scale map And it determines the display area after the change was to display a map of the predetermined scale on a display screen Te.

Therefore, in the present invention, even if the distance between the first position display object and the second position display object changes within a short range, the display mode is prevented from being frequently changed in a short time. and, while the first position indication object and a second position indication object is approaching within a predetermined distance, as appropriate, on the map that changes the display area and scale, and these first position indication object It can be recognized that the second position display target is within a predetermined distance.

According to the present invention, the inter-object distance detection unit of the information processing device performs the first position display object and the second position display based on the measurement position of the first position display object and the measurement position of the second position display object. Whether or not the distance between the objects to be displayed is detected at a predetermined cycle, and the distance determination unit of the information processing apparatus determines whether or not the distance between the objects detected by the distance detection unit between the objects is equal to or greater than the first threshold distance. When the distance between the objects is equal to or greater than the first threshold distance according to the determination result by the distance determination unit, the display control unit of the information processing apparatus displays the first scale on the display screen in the first display mode. The first cursor is displayed at the corresponding position corresponding to the measurement position of the first position display target on the first scale map displayed on the display screen, and the distance between the objects is the first distance. When the threshold distance is smaller than 1, the second display mode is set. The map of the first scale is smaller than the second scale and displays secure the display area for the display screen on the display screen in, on the map of the second scale displayed on the display screen, a first position In the second display mode, the first cursor is displayed at the corresponding position corresponding to the measurement position of the display target, and the second cursor is displayed at the corresponding position corresponding to the measurement position of the second position display target. While displaying the map of the second scale on the display screen and displaying the first and second cursors on the map of the second scale, the distance between the objects is set according to the determination result by the distance determination unit. When the second threshold distance is greater than the first threshold distance, the second display mode is changed to the first display mode, the first scale map is displayed on the display screen, and the first On the map of the first scale In the first display mode, the first scale map is displayed on the display screen, and the first cursor is displayed on the first scale map. Accordingly, when the distance between the objects becomes smaller than the first threshold distance, the second display mode is changed from the first display mode and the second scale map is displayed on the display screen. Is displayed in a fixed manner , the first and second cursors are displayed on the second scale map, and the display area is fixed on the display screen in the second display mode. The first and second cursors are moved by moving the first cursor in accordance with the movement of the first position display object on the reduced scale map, and by moving the second cursor in accordance with the movement of the second position display object. Set at least one of the Determining whether or not the first and second cursors can be simultaneously displayed on the first scale map so as to be positioned inside the peripheral portion of the display screen when moved to the displayed peripheral portion. Display the first and second cursors on the first scale map by changing the display area of the map displayed on the display screen so that the first and second cursors are located inside the surrounding portion. When it can be displayed at the same time so as to be located inside the peripheral part of the screen, the display area after the change is determined with respect to the first scale map, the map of the first scale is displayed on the display screen, When the first and second cursors cannot be simultaneously displayed on the first scale map so as to be positioned inside the peripheral portion of the display screen, the map has a predetermined scale smaller than the first scale map. The display area after change is determined for By you to display a map of the predetermined scale, the display screen, the subject distance between the first position indication object and a second position indication object is also varied within a small range in a short time As long as the display mode is frequently changed in a short time and the first position display object and the second position display object are close to each other within a predetermined distance , the display area and the scale are appropriately selected. To realize an information display method, an information processing apparatus, and an information display program capable of recognizing that the first position display object and the second position display object are within a predetermined distance on the map in which it can.

It is a figure which shows an example of the information display system which performs the information display method of this invention. It is a figure which shows an example of the information processing apparatus of this invention. It is a figure which shows an example of a map. It is a figure which shows the display mode in the map scroll mode in the case of one point display, and map fixed mode. It is a figure where it uses for description of the change of the map in map fixed mode. It is a figure where it uses for description of the change of the map in map fixed mode. It is a figure where it uses for description of the mode change between map scroll mode and map fixed mode. It is a figure which shows an example of a map. It is a figure which shows the display mode in single point display mode and multiple point display mode. It is a figure where it uses for description of the mode change between single point display mode and multiple point display mode. It is a figure which shows a part of example of a display mode setting process. It is a figure which shows a part of example of a display mode setting process. It is a figure which shows an example of a drawing process. It is a figure which shows an example of a map display area change process. It is a figure with which it uses for description in the case of scrolling a map on a display screen with the movement of a mobile body.

[1. Example of information display system: FIGS. 1 and 2]
FIG. 1 shows an example of an information display system for executing the information display method of the present invention.

  In the information display system in this example, information processing apparatuses 10 and 20 each having a positioning function and a wireless communication function are connected to each other via a network 30 by the respective wireless communication functions.

  The information processing apparatus 10 is mounted on a vehicle carried by the user A or used by the user A as used by the user A. The information processing apparatus 20 is mounted on a vehicle that is carried by the user B or on which the user B rides, as used by the user B.

  FIG. 2 shows an example of the information processing apparatuses 10 and 20.

  The information processing apparatus 10 includes a GPS antenna 11, a GPS reception calculation unit 12, a control unit 13, a storage device unit 14, an operation unit 15, a display processing unit 16, a display unit 17, a wireless communication unit 18, and a wireless communication antenna 19. Is done.

  The GPS antenna 11 receives radio waves from GPS satellites. The GPS reception calculation unit 12 demodulates the received signal and calculates the position of the information processing apparatus 10.

  The control unit 13 controls each unit of the information processing apparatus 10 and is omitted in the figure. However, the CPU, a ROM in which programs to be executed by the CPU and fixed data are stored, and a RAM in which the programs and data are expanded. Consists of.

  The storage device unit 14 is a large-capacity storage device that stores map information, content information, and the like.

  However, the map information is acquired from the server device of the user A connected to the information processing device 10 or the server device of the service provider connected to the network 30 without providing the information processing device 10 in this way. An information display system can also be configured.

  The operation unit 15 is used by the user A to perform various operations on the information processing apparatus 10.

  The display processing unit 16 uses the map information and the like recorded in the storage device unit 14 and the position information obtained by the GPS reception calculation unit 12 to display a map and necessary information on the display screen of the display unit 17 as will be described later. Information is displayed.

  The display unit 17 includes a display such as a liquid crystal display or an organic EL display.

  The wireless communication unit 18 transmits the position information obtained by the GPS reception calculation unit 12 to the information processing device 20 as information indicating the current position of the information processing device 10, and as information indicating the current position of the information processing device 20. The position information transmitted from the information processing apparatus 20 is received.

  The information processing apparatus 20 is also configured by a GPS antenna 21, a GPS reception calculation unit 22, a control unit 23, a storage device unit 24, an operation unit 25, a display processing unit 26, a display unit 27, a wireless communication unit 28, and a wireless communication antenna 29. Is done. The configuration and operation of each unit are the same as those of the information processing apparatus 10.

[2. Information display method: FIGS. 3 to 14]
As the information display method of the present invention, there are one-point display and multiple-point display.

  In the information display system in the example of FIGS. 1 and 2, the one-point display is a cursor that displays a map on the display screen in each of the information processing apparatuses 10 and 20, and indicates the own apparatus at the position of the own apparatus on the map. Is to display.

  In the information display system of the example of FIG. 1 and FIG. 2, the multi-point display displays a map on the display screen in each of the information processing apparatuses 10 and 20, and the position of the own apparatus and the position of other apparatuses on the map The cursor indicating the own device and the cursor indicating the other device are simultaneously displayed.

  In the information display system of the example of FIGS. 1 and 2, the other device is the information processing device 20 when viewed from the information processing device 10, and the other device is the information processing device 10 when viewed from the information processing device 20.

  The position of the information processing apparatus 10 is also the position of the user A when the user A carries the information processing apparatus 10, and when the information processing apparatus 10 is mounted on a vehicle and the user A gets on the vehicle, It is also the position of the vehicle and user A.

  Similarly, the position of the information processing apparatus 20 is also the position of the user B when the user B carries the information processing apparatus 20, and the information processing apparatus 20 is mounted on the vehicle and the user B gets on the vehicle. Is also the position of the vehicle and user B.

  Therefore, hereinafter, the position of the information processing apparatus 10 is set as the position of the user A, and the position of the information processing apparatus 20 is set as the position of the user B.

  Note that when the map scale is expressed as a fraction “1 / M”, the scale denominator M is large when the scale is small (the ratio is small), and the scale denominator M is small when the scale is small. Is large "(ratio value is large).

  Therefore, a map with a larger actual area can be displayed on the same display screen as the scale is smaller (the scale denominator is larger).

(2-1. Information display method for single-point display: FIGS. 3 to 7)
Since the one-point display on the information processing apparatus 10 and the one-point display on the information processing apparatus 20 are exactly the same method, only one-point display on the information processing apparatus 10 will be described below.

  The area where the user A carries the information processing apparatus 10 and walks or runs in the area indicated by the map 5 shown in FIG. 3 or rides the vehicle on which the information processing apparatus 10 is mounted and is indicated by the map 5 Shall be traveling.

  In the area shown in the map 5, there are a central road running east and west, an east road and a west road running north and south, and various facilities and schools, respectively.

  The user A moves to the north on the west road, and approaches the East-West Museum at a certain sampling timing t1 of the positioning result of the GPS reception calculation unit 12 of the information processing apparatus 10 at an appropriate sampling rate. And

  At the time t2 of the next sampling timing, the east-west art museum and the west side elementary school are reached, and at the time t3 of the next sampling timing, the west side elementary school is reached.

<2-1-1. Map scroll mode: Fig. 3 and Fig. 4>
Further, the moving speed of the user A is not more than a certain threshold speed Vth until immediately before the time point t1, but the moving speed of the user A is assumed to be larger than the threshold speed Vth at the time point t1.

  In this case, until the time point t1, the map is scrolled in the map scroll mode at a scroll speed corresponding to the moving speed of the user A on the display screen, and the cursor indicating the user A is moved to a certain point on the display screen, for example, Display fixed at the center.

  Therefore, at time t1, as shown in FIG. 4A, a part of the map 5 shown in FIG. 3 is displayed on the display screen 1 as a map 5a, and the cursor 9a is placed at the center of the display screen 1 (map 5a). Is displayed.

  Further, on the map 5a, for example, information 7 such as photographs and characters about the East-West Art Museum is displayed near the landmark of the East-West Art Museum.

<2-1-2. Change to map fixing mode: Fig. 3 and Fig. 4>
When the moving speed of the user A becomes larger than the threshold speed Vth at time t1, the display mode is changed from the map scroll mode to the map fixing mode. The threshold speed Vth is set to an appropriate value according to the scale of the map in the map scroll mode.

  In the map fixing mode, the map 5a is displayed on the display screen 1 as it is without scrolling the map on the display screen 1. That is, when the moving speed of the user A becomes larger than the threshold speed Vth, the map is not scrolled at a fast scrolling speed corresponding to the moving speed of the user A, and the map is fixed on the display screen 1.

  Therefore, the information 7 such as photographs and characters about the East-West Museum cannot be read as shown in FIG.

  At this time, the cursor 9a moves on the display screen 1 (map 5a), and at time t2, as shown in FIG. 4B, the cursor 9a is displayed at a position close to the upper edge of the display screen 1. Become.

<2-1-3. Changing the map in the map fixing mode: Fig. 4 to Fig. 6>
When the user A further moves in the same direction in the map fixing mode, the cursor 9a disappears from the display screen 1.

  Therefore, as shown in FIG. 5 (A), when the cursor 9a comes close to the predetermined peripheral portion 1a of the display screen 1, the map is moved on the display screen 1, and as shown in FIG. 5 (B). The cursor 9a is moved to the inside of the peripheral portion 1a of the display screen 1.

  4C, another part of the map 5 shown in FIG. 3 is displayed on the display screen 1 as the map 5b from the state of FIG. 4B, and the cursor 9a is moved to the center of the display screen 1. This is the case.

  In this case, the map change is different from the map scroll in the map scroll mode. In order to prevent the cursor 9a from disappearing from the display screen 1, the map displayed on the display screen 1 is instantaneously changed. To switch to.

  That is, in this case, after the map is changed as shown in FIG. 4C, the map 5b is displayed on the display screen 1 as it is in the map fixing mode without scrolling the map on the display screen 1.

  Then, as shown in FIG. 5A, when the cursor 9a again approaches the peripheral portion 1a of the display screen 1, the map displayed on the display screen 1 is switched.

  The above is a case where heading-up display is performed, that is, a case where the map is displayed so that the moving direction of the position display target is above the display screen, and the position display target moves in the north direction. In general, including the case of multi-point display as shown in FIG.

  The map display area 5A is a map portion displayed on the display screen before the change, and the map display area 5B is a map portion displayed on the display screen after the change.

  P1 (0, 0), P2 (X, 0), P3 (0, Y), and P4 (X, Y) are the upper left, upper right, lower left, and lower right points of the map display area 5A, respectively.

  X is the horizontal size (number of pixels) of the map display areas 5A and 5B, and Y is the vertical size (number of pixels) of the map display areas 5A and 5B.

  In the map display area 5A, a surrounding portion 6A is set as shown by hatching. The width (number of pixels) in the left-right direction of the surrounding portion 6A is wx, and the width (number of pixels) in the vertical direction is wy.

  When the peripheral portion ratio in the left-right direction is px = (wx / X) × 100 [%] and the peripheral portion ratio in the vertical direction is py = (wy / Y) × 100 [%], 0 <px <50,0 < py <50.

  A point indicated by the cursor 9a on the map display area 5A is assumed to be Pa (x, y).

  When the point Pa (x, y) is within the surrounding portion 6A, that is, 0 ≦ x ≦ wx, X-wx ≦ x ≦ X, 0 ≦ y ≦ wy, Y-wy ≦ y ≦ Y. When it becomes either, the map portion displayed on the display screen is changed from the map display area 5A to the map display area 5B.

  The changed map display area 5B is, for example, an area in which the point Pa (x, y) indicated by the cursor 9a on the map display area 5B is as follows.

  When moving the displayed map portion in the vertical direction, the area is x = X / 2 and y = Y−wy−α or y = wy + α. When moving the displayed map portion in the left-right direction, the area is y = Y / 2 and x = wx + α or x = X−wx−α. When the displayed map portion is moved in an oblique direction, the area is y = Y−wy−α or y = wy + α and x = wx + α or x = X−wx−α.

  α is a distance from the inner edge of the peripheral portion 6B when the peripheral portion 6B is set in the map display area 5B as in the map display area 5A.

  This α is set to an appropriate value so that the point Pa (x, y) indicated by the cursor 9a on the map display area 5B is inside the inner edge of the surrounding portion 6B.

  After the change, the map display area 5B is used as the map display area before the change, and it is determined whether or not the map display area is further changed depending on whether or not the conditions for the change are satisfied. Change as follows.

<2-1-4. Change from map fixed mode to map scroll mode: Fig. 7>
After the display mode is changed from the map scroll mode to the map fixed mode as described above, when the moving speed of the user A becomes smaller than a predetermined value, the display mode is changed from the map fixed mode to the map scroll mode.

  However, for example, as shown by the curve of FIG. 7, after the moving speed Vt of the user A becomes higher than the threshold speed Vth at the time point ta, the threshold speed Vth is set at the time points tb, tc, td, te, and tf. It may change in the vicinity of the threshold speed Vth so as to cross.

  In this case, it is not preferable that the display mode is changed every time at the time points tb, tc, td, te, and tf.

  Therefore, the threshold speed Vth is set as the upper threshold speed, and the threshold speed Vtl smaller than the threshold speed Vth is set as the lower threshold speed, so that the display mode change has hysteresis as follows.

  A unit time Ts shown in FIG. 7 is a time between a certain sampling timing and a next sampling timing of the positioning result.

  The moving speed Vt is represented by a result (Ds / Ts) obtained by dividing the distance Ds moved during the unit time Ts by the unit time Ts. The distance Ds is calculated from the measured position.

  When the moving speed Vt tends to increase, the moving speed Vt (n) at the time point t (n) is changed to the moving speed Vt (n−) at the time point t (n−1) before the unit time Ts. 1) It becomes larger.

  On the contrary, when the moving speed Vt tends to decrease, the moving speed Vt (n) at the time point t (n) is changed to the moving speed Vt (n-1) at the time point t (n−1) before the unit time Ts. -1) smaller.

  Therefore, the movement speed Vt (n) at the time point t (n) at that time is compared with the movement speed Vt (n−1) at the time point t (n−1) before the unit time Ts by moving. It is determined whether the speed Vt is increasing or decreasing.

  Then, as indicated by time ta in FIG. 7, when the moving speed Vt tends to increase and becomes higher than the upper threshold speed Vth, the display mode is changed from the map scroll mode to the map fixing mode as described above.

  On the other hand, when the moving speed Vt tends to decrease, it does not change to the map scroll mode only when the moving speed Vt becomes smaller than the upper threshold speed Vth as in the time points tb, td, tf, but the lower threshold speed as in the time point tg. When it becomes smaller than Vtl, the mode is changed to the map scroll mode.

  As a result, in the example of FIG. 7, the display mode is changed from the map scroll mode to the map fixing mode at time ta, changed from the map fixing mode to the map scroll mode at time tg, and after time th after time tg. At time ti, the map scroll mode is changed to the map fixed mode.

  Therefore, the display mode is not frequently changed in a short time when the moving speed Vt changes within a small range in a short time.

(2-2. Information Display Method for Multiple Point Display: FIGS. 8 to 10)
In the information display system of the example of FIG. 1 and FIG. 2, in the information processing apparatuses 10 and 20, the map is displayed on the display screen, respectively, and the own apparatus is shown at the position of the own apparatus and the position of other apparatuses on the map. A cursor and a cursor indicating another device can be displayed at the same time.

  Since the multi-point display on the information processing apparatus 10 and the multi-point display on the information processing apparatus 20 are exactly the same method, the multi-point display on the information processing apparatus 10 will be described below.

  A user A and B carry information processing devices 10 and 20 or get on their own vehicles on which information processing devices 10 and 20 are mounted, and a certain place in the area shown in the map 5 shown in FIG. Meet at and go to the west destination of the area. The map 5 shown in FIG. 8 is exactly the same as the map 5 shown in FIG.

  It is assumed that the user A moves toward the north on the west side road at the time points t1, t2, and t3, and goes out to the central road and turns left at the time point t4.

  It is assumed that the user B moves toward the south on the east side road at the time points t1 and t2, turns out to the central road at the time point t3, and turns right, and reaches the east department store at the time point t4.

<2-2-1. Single point display mode: FIGS. 8 and 9>
First, as a one-point display mode, the map scale displayed on the display screen is relatively large (the scale denominator is relatively small), and a map showing a relatively narrow area is displayed on the display screen. Only the cursor indicating the user A is displayed on the display screen.

  That is, for example, at time t1, as shown in FIG. 9A, a part of the map 5 shown in FIG. 8 is displayed on the display screen 1 as a map 5a, and is centered on the display screen 1 (map 5a). A cursor 9a is displayed.

  In this one-point display mode, as described above with reference to FIGS. 3 to 7, the display mode is changed between the map scroll mode and the map fixing mode in accordance with the moving speed Vt of the user A.

  In the map fixing mode, the map display area is changed as described above with reference to FIG. 5 or FIG. 6 so that the cursor 9a does not disappear from the display screen 1.

<2-2-2. Change to multi-point display mode: FIGS. 8 and 9>
Further, in the case of multi-point display, the distance between the users A and B (between the information processing apparatuses 10 and 20) is detected as the target distance at each sampling timing of the positioning results of the information processing apparatuses 10 and 20. .

  In the above example, as shown in FIG. 8, at time t1, the users A and B are at the positions of points Pa1 and Pb1 on the map 5, respectively, and the distance between the objects is the linear distance between the points Pa1 and Pb1. is there. At time t2, the users A and B are at the positions of the points Pa2 and Pb2 on the map 5, respectively, and the distance between the objects is a linear distance between the points Pa2 and Pb2.

  In the case of multi-point display, when the distance between objects becomes smaller than a certain threshold distance Dtl, the display mode is changed from the single-point display mode to the multi-point display mode. The threshold distance Dtl is set to an appropriate value according to the scale of the map in the single point display mode.

  In the above example, the distance between the objects is equal to or larger than the threshold distance Dtl until the time t1, whereas the distance between the objects becomes smaller than the threshold distance Dtl at the time t2.

  For this reason, the display mode is changed from the single-point display mode to the multiple-point display mode at time t2.

  In the multi-point display mode, the scale of the map displayed on the display screen is made smaller than that in the single-point display mode, and as shown in FIG. 9B, a map 5c showing a wider area in the single-point display mode is displayed. Display on screen 1.

  Moreover, the map 5c includes the current positions of the users A and B, and a cursor 9a indicating the current position of the user A and a cursor 9b indicating the current position of the user B are simultaneously displayed on the display screen 1.

  Thereby, the user A knows that the users A and B are within a predetermined distance. In the information processing apparatus 20 as well, the same display is executed, so that the user B can also know that the users B and A are within a predetermined distance.

  Unlike the single-point display mode, in the multi-point display mode, the map fixing mode is always used without setting the map scroll mode.

  However, in the map fixing mode in the multipoint display mode, the map display area is changed as described above when the current position of either of the users A and B is within the peripheral portion 1a of the display screen 1 shown in FIG. To do. At this time, the current positions of both the users A and B are set within the changed map display area.

<2-2-3. Change from multi-point display mode to single-point display mode: Fig. 10>
After the display mode is changed from the single-point display mode to the multi-point display mode, when the distance between the objects (straight distance between the users A and B) becomes larger than a predetermined value, the display mode is reversed from the multi-point display mode to the single-point display. Change to mode.

  However, for example, as shown by the curve in FIG. 10, after the inter-object distance Dt becomes smaller than the threshold distance Dtl at the time tp, the threshold distance Dtl crosses over the threshold distance Dtl at the time tq, tr, ts. May change in the vicinity.

  In this case, it is not preferable that the display mode is changed every time at time points tq, tr, and ts.

  Therefore, the threshold distance Dtl is set as the lower threshold distance, and the threshold distance Dth larger than the threshold distance Dtl is set as the upper threshold distance, so that the display mode change has hysteresis as follows.

  The unit time Ts shown in FIG. 10 is the time between a certain sampling timing and the next sampling timing of the positioning result, as described above with reference to FIG.

  When the inter-object distance Dt tends to decrease, the inter-object distance Dt (n) at the time t (n) is the inter-object distance Dt (n) at the time t (n−1) before the unit time Ts. -1) smaller.

  Conversely, when the inter-object distance Dt tends to increase, the inter-object distance Dt (n) at the time point t (n) is the inter-object distance at the time point t (n−1) before the unit time Ts. It becomes larger than Dt (n-1).

  Therefore, by comparing the inter-object distance Dt (n) at the time point t (n) at that time with the inter-object distance Dt (n-1) at the time point t (n-1) before the unit time Ts. , It is determined whether the inter-object distance Dt is decreasing or increasing.

  Then, as shown at time tp in FIG. 10, when the inter-object distance Dt tends to decrease and becomes smaller than the lower threshold distance Dtl, the display mode is changed from the single-point display mode to the multiple-point display mode as described above. To do.

  On the other hand, when the inter-object distance Dt tends to increase, it does not change to the one-point display mode just by becoming larger than the lower threshold distance Dtl as at the time points tq and ts, but the upper threshold distance Dth as at the time point tu. When it becomes larger, the mode is changed to the one-point display mode.

  As a result, in the example of FIG. 10, the display mode is changed from the one-point display mode to the multiple-point display mode at the time tp, is changed from the multiple-point display mode to the single-point display mode at the time tu, and the time tv after the time tu. At a later time tw, the single-point display mode is changed to the multi-point display mode.

  Therefore, the display mode is not frequently changed in a short time when the inter-object distance Dt changes within a small range in a short time.

(2-3. Processing for Information Display: FIGS. 11 to 14)
<2-3-1. Display mode setting process: FIGS. 11 and 12>
FIG. 11 and FIG. 12 show an example of a series of processes related to the display mode setting as described above which is executed by the information processing apparatus 10.

  In this display mode setting process 40, the process is started by turning on the power to the information processing apparatus 10 or the user A starting operation. First, in step 41, the one-point display mode and the map scroll mode are set as the initial display mode.

  Next, at step 42, as described above with reference to FIG. 10, the current inter-object distance Dt (n) is calculated.

  Next, in step 43, it is determined whether or not the calculated current inter-object distance Dt (n) is smaller than the immediately preceding inter-object distance Dt (n−1) (unit time Ts before).

  When the current inter-object distance Dt (n) is smaller than the immediately preceding inter-object distance Dt (n−1), the process proceeds from step 43 to step 44 assuming that the inter-object distance Dt tends to decrease.

  Conversely, when the current inter-object distance Dt (n) is equal to or greater than the immediately preceding inter-object distance Dt (n−1), the process proceeds from step 43 to step 46 assuming that the inter-object distance Dt tends to increase.

  In step 44, it is determined whether or not the inter-object distance Dt (n) is smaller than the lower threshold distance Dtl.

  When the inter-object distance Dt (n) is smaller than the lower threshold distance Dtl, the process proceeds from step 44 to step 45, and the display mode is changed from the single-point display mode to the multiple-point display mode as shown at time points tp and tw in FIG. Change to step 51.

  When the inter-object distance Dt (n) is equal to or greater than the lower threshold distance Dtl, the process proceeds from step 44 to step 51 as it is.

  In step 46, it is determined whether or not the inter-object distance Dt (n) is larger than the upper threshold distance Dth.

  When the inter-object distance Dt (n) is larger than the upper threshold distance Dth, the process proceeds from step 46 to step 47, and the display mode is changed from the multi-point display mode to the single-point display mode as shown in FIG. The process proceeds to step 51.

  When the inter-object distance Dt (n) is equal to or smaller than the upper threshold distance Dth, the process proceeds from step 46 to step 51 as it is.

  In step 51, it is determined whether or not the display mode set at that time is the one-point display mode.

  When the display mode set at that time is the one-point display mode, the process proceeds from step 51 to step 52, and the current moving speed Vt (n) is calculated as described above with reference to FIG.

  Next, in step 53, it is determined whether or not the calculated current moving speed Vt (n) is larger than the immediately preceding moving speed Vt (n-1) (by unit time Ts).

  Then, when the current moving speed Vt (n) is larger than the immediately preceding moving speed Vt (n−1), it is determined that the moving speed Vt tends to increase, and the process proceeds from step 53 to step 54.

  Conversely, when the current moving speed Vt (n) is equal to or less than the immediately preceding moving speed Vt (n−1), it is determined that the moving speed Vt tends to decrease, and the process proceeds from step 53 to step 56.

  In step 54, it is determined whether or not the moving speed Vt (n) is greater than the upper threshold speed Vth.

  When the moving speed Vt (n) is larger than the upper threshold speed Vth, the process proceeds from step 54 to step 55, and in the single point display mode, the display mode is fixed from the map scroll mode to the map at the time points ta and ti in FIG. Change to the mode and go to step 61.

  When the moving speed Vt (n) is equal to or lower than the upper threshold speed Vth, the process proceeds from step 54 to step 61 as it is.

  In step 56, it is determined whether or not the moving speed Vt (n) is smaller than the lower threshold speed Vtl.

  When the moving speed Vt (n) is smaller than the lower threshold speed Vtl, the process proceeds from step 56 to step 57, and in the one-point display mode, the display mode is changed from the map fixed mode to the map scroll mode as shown at time tg in FIG. To step 61.

  When the moving speed Vt (n) is equal to or higher than the lower threshold speed Vtl, the process proceeds from step 56 to step 61 as it is.

  On the other hand, if it is determined in step 51 that the display mode set at that time is not the single-point display mode but the multi-point display mode, in step 59, the map scroll is not the map scroll mode but the map is fixed. Set to mode and proceed to step 61.

  In step 61, it is determined whether or not the process related to the display mode setting is to be ended. When the process is to be ended by the user A's end operation or the like, the process is ended. Otherwise, the process returns to step 42. Step 42 and subsequent steps are repeatedly executed.

<2-3-2. Drawing processing: FIGS. 13 and 14>
FIG. 13 shows an example of a drawing processing routine for information display executed by the information processing apparatus 10 under the display mode set as described above.

  The drawing processing routine 70 is executed at every sampling timing of the positioning result in parallel with the display mode setting processing 40 described above.

  In this drawing processing routine 70, first, in step 71, the display mode set as described above is acquired, and then in step 72, it is determined whether or not the set display mode is the map fixing mode.

  As described above, in the one-point display mode, either the map scroll mode or the map fixing mode is set, but in the multi-point display mode, the map fixing mode is always set.

  Then, when the set display mode is the map fixing mode, the process proceeds from step 72 to step 73.

  In step 73, as described above with reference to FIGS. 5 and 6, it is determined whether or not the current position of the own apparatus (information processing apparatus 10) is in the peripheral portion of the display screen.

  When the current position of the device is in the peripheral portion of the display screen, the process proceeds from step 73 to the map display area change processing routine 80, and after executing a map display area change process as described later, the process proceeds to step 74. .

  When the current position of the own device is not in the peripheral portion of the display screen, the process proceeds from step 73 to step 74 as it is.

  Further, when it is determined in step 72 that the set display mode is not the map fixing mode but the map scroll mode in the one-point display mode, the process proceeds from step 72 to step 74 as it is.

  In step 74, a map and a cursor are drawn, and the process proceeds to step 75.

  In step 75, it is determined whether or not the drawing process is to be ended. If the drawing process is to be continued without ending, the process returns to step 71 and the processes in and after step 71 are executed.

  FIG. 14 shows an example of the map display area change processing routine 80 shown in FIG. In this map display area change processing routine 80, first, in step 81, it is determined whether or not the set display mode is the one-point display mode.

  When the set display mode is the one-point display mode, the process proceeds directly from step 81 to step 82 to determine the changed map display area as described above with reference to FIG.

  On the other hand, when the set display mode is the multi-point display mode, the process proceeds from step 81 to step 83 to display the current position of the own device and the other device on the same map with the same scale as in the single-point display mode. Determine if you can.

  If the current position of the own device and the other device cannot be displayed on the same map with the scale in the one-point display mode, the process proceeds from step 83 to step 84, and the scale of the map is reduced. Return to.

  If it is determined in step 83 that the current position of the own device and the other device can be displayed on the same map at the reduced scale in the one-point display mode or at the reduced scale after step 84, the process proceeds to step 82. Go ahead and determine the map display area after the change.

[3. Other embodiments or examples]
(3-1. Map display for single point display)
In the example described above, in the case of one-point display, the map fixing mode is set when the moving speed Vt of the position display target becomes larger than the upper threshold speed Vth, but the map is not fixed on the display screen, May be reduced from the map scroll mode to reduce the map scrolling speed on the display screen.

(3-2. Position display target in case of multi-point display)
For multi-point display, the first position display target may be an information processing apparatus or user having a positioning function, and the second position display target may be a place or point where the position is fixed, such as a destination or a target point. .

  In this case, for example, when the current location approaches a point at a predetermined distance from the destination, the display mode is changed from the single-point display mode to the multi-point display mode, and the current location and the location of the destination are simultaneously displayed on the map. To be.

  In addition, the number of position display targets in the case of multi-point display is not limited to two, and may be three or more. For example, in the case where there are three position display objects, when the distance between a specific two persons, any two persons, or two persons in all combinations becomes smaller than the lower threshold distance, these two persons or three persons To be displayed on the map at the same time.

(3-3. Non-real-time information display)
Although the above-described example is a case where the position of the position display target is displayed in real time, the present invention is also applied to the case where the position display target position is displayed in non-real time based on the recorded position information log data. can do.

  Specifically, in the example of FIG. 2, the information processing device 10 records the position information of the positioning result in the GPS reception calculation unit 12 in the storage device unit 14 with time information indicating the positioning time.

  The information processing apparatus 20 also records the position information of the positioning result obtained by the GPS reception calculation unit 22 in the storage unit 24 together with time information indicating the positioning time.

  By capturing the position information from the storage device unit 14 or 24 to an information processing apparatus such as a PC, the position measured as the current position of the information processing apparatus 10 or 20 is displayed in non-real time in the information processing apparatus such as a PC. .

  According to this, this invention can be utilized effectively for a life log use.

  Since the main part is described in the figure, it is omitted here.

Claims (5)

An inter-object distance detection unit of the information processing device, based on the measurement position of the first position display object and the measurement position of the second position display object, the first position display object and the second position display object An inter-object distance detection step for detecting an inter-object distance between the predetermined intervals;
A distance determining step in which the distance determining unit of the information processing apparatus determines whether or not the inter-object distance detected by the inter-object distance detecting unit is equal to or greater than a first threshold distance;
The display control unit of the information processing apparatus has a first scale on the display screen in the first display mode when the distance between the objects is equal to or more than the first threshold distance according to the determination result by the distance determination unit. And displaying a first cursor at a corresponding position corresponding to the measurement position of the first position display target on the map of the first scale displayed on the display screen, When the distance between the objects becomes smaller than the first threshold distance, the display area for the display screen is fixed on the display screen with the second scale smaller than the first scale on the display screen in the second display mode. thereby to display, on the map display the said second scale on the display screen, and displaying the first cursor to the corresponding position corresponding to the measurement position of the first position indication object, One of the first display control step of displaying the second cursor at the corresponding position corresponding to the measurement position of the second position indication object,
The display control unit of the information processing apparatus displays the map of the second scale on the display screen in the second display mode, and the first and second scales on the map of the second scale. When the distance between the objects becomes larger than the second threshold distance larger than the first threshold distance according to the determination result by the distance determination unit with the two cursors displayed, the second display The mode is changed from the first display mode to the first display mode, the map of the first scale is displayed on the display screen, the first cursor is displayed on the map of the first scale, and the first scale is displayed. The determination result by the distance determination unit in a state in which the map of the first scale is displayed on the display screen in one display mode and the first cursor is displayed on the map of the first scale. Depending on the above When during distance is smaller than the first threshold distance from the first display mode is changed to the second display mode to the map of the second scale on the display screen for the display screen A fixed display of the display area, and a second display control step of displaying the first and second cursors on the map of the second scale .
The first and second display control steps include
In the second display mode, the display control unit of the information processing apparatus is configured to display the first position display target on the map of the second scale displayed with the display area fixed on the display screen. The first cursor is moved along with the movement, the second cursor is moved along with the movement of the second position display object, and at least one of the first and second cursors is moved over the display screen. Can be displayed at the same time so that the first and second cursors are positioned on the inside of the peripheral portion of the display screen on the map of the first scale. The display area of the map displayed on the display screen is changed so that the first and second cursors are positioned inside the surrounding portion, and the first scale is determined. Above map When the first and second cursors can be displayed at the same time so as to be positioned inside the peripheral portion of the display screen, the display area after the change is determined with respect to the map of the first scale. The map of the first scale is displayed on the display screen, and the first and second cursors are positioned inside the peripheral portion of the display screen on the map of the first scale. If the map cannot be displayed at the same time, the changed display area is determined for the map at a predetermined scale smaller than the map at the first scale, and the map at the predetermined scale is displayed on the display screen. Display
Information display method. A measurement step in which the measurement unit of the information processing apparatus measures the measurement position of the information processing apparatus;
Acquisition by which the acquisition unit of the information processing apparatus acquires position information indicating the measurement result of the measurement position, from which the measurement position of the other information processing apparatus is measured and recorded or transmitted from another information processing apparatus With steps and
The first and second display control steps include
The first position display object measured by the measurement unit on the map of the second scale displayed on the display screen by the display control unit of the information processing apparatus in the second display mode. The first cursor is displayed at the corresponding position corresponding to the measurement position of the information processing apparatus, and the second position display object is based on the position information acquired by the acquisition unit. The information display method according to claim 1, wherein the second cursor is displayed at the corresponding position corresponding to the measurement position of another information processing apparatus. The acquisition unit of the information processing device indicates the measurement result of the measurement position, which is measured and recorded or transmitted from the other first information processing device. The first position information is acquired, and the measurement result of the measurement position of the other second information processing apparatus is measured and recorded or transmitted from the other second information processing apparatus. An acquisition step of acquiring second position information indicating,
The first and second display control steps include
The first and second acquired by the acquisition unit on the map of the second scale displayed on the display screen by the display control unit of the information processing apparatus in the second display mode. Based on the position information, the first cursor is displayed at the corresponding position corresponding to the measurement position of the other first information processing apparatus as the first position display target, and the second position display is performed. The information display method according to claim 1, wherein the second cursor is displayed at the corresponding position corresponding to the measurement position of the other second information processing apparatus as a target. Based on the measurement position of the first position display object and the measurement position of the second position display object, the inter-object distance between the first position display object and the second position display object is detected at a predetermined cycle. An inter-object distance detection unit,
A distance determination unit that determines whether the inter-object distance detected by the inter-object distance detection unit is equal to or greater than a first threshold distance;
When the distance between the objects is greater than or equal to the first threshold distance according to the determination result by the distance determination unit, a first scale map is displayed on the display screen in the first display mode, and the display screen A first cursor is displayed at a corresponding position corresponding to the measurement position of the first position display target on the map of the first scale displayed on the first scale, and the distance between the objects is the first threshold distance. When the map is smaller than the first scale, the map is displayed on the display screen in a second display mode with a second scale smaller than the first scale with a display area for the display screen fixed. On the displayed map of the second scale, the first cursor is displayed at the corresponding position corresponding to the measurement position of the first position display target, and the second position display target of the map is displayed. Comprising a display control unit for displaying the second cursor at the corresponding position corresponding to a measurement position,
The display control unit
In the second display mode, the distance determination is performed in a state in which the map of the second scale is displayed on the display screen and the first and second cursors are displayed on the map of the second scale. When the distance between the objects becomes larger than the second threshold distance larger than the first threshold distance according to the determination result by the unit, the second display mode is changed to the first display mode. Displaying the first scale map on the display screen, displaying the first cursor on the first scale map, and displaying the first scale on the display screen in the first display mode. In addition to displaying the map at one scale and displaying the first cursor on the map at the first scale, the distance between the objects is set according to the determination result by the distance determination unit. Less than 1 threshold distance When it becomes Ku is the map of the first display mode after changing to the second display mode of the display screen on the second scale and displays by fixing the display area for the display screen, The first and second cursors are displayed on the map at the second scale, and the display area is fixedly displayed on the display screen in the second display mode. The first cursor is moved along with the movement of the first position display object on the map, and the second cursor is moved along with the movement of the second position display object. When at least one of the second cursors is moved to the surrounding portion set on the display screen, the first and second cursors are moved to the surrounding portion of the display screen on the map of the first scale. Inside The display area of the map displayed on the display screen is changed so that the first and second cursors are positioned inside the surrounding portion by determining whether or not they can be displayed simultaneously. Thus, when the first and second cursors can be simultaneously displayed on the map at the first scale so as to be positioned inside the peripheral portion of the display screen, The display area after the change with respect to the map is determined, the map of the first scale is displayed on the display screen, and the first and second cursors are displayed on the map of the first scale. When the display screen cannot be simultaneously displayed so as to be positioned inside the peripheral portion of the display screen, the display area after the change is determined for the map having a predetermined scale smaller than the map having the first scale. Then on An information processing apparatus for displaying the map at the predetermined scale on the display screen . Based on the measurement position of the first position display object and the measurement position of the second position display object, the computer calculates the inter-object distance between the first position display object and the second position display object for a predetermined period. An inter-object distance detection step to detect at
A distance determination step of determining whether or not the inter-object distance detected in the inter-object distance detection step is equal to or greater than a first threshold distance;
When the distance between the objects is equal to or greater than the first threshold distance according to the determination result in the distance determination step, the first scale map is displayed on the display screen in the first display mode, and the display screen A first cursor is displayed at a corresponding position corresponding to the measurement position of the first position display target on the map of the first scale displayed on the first scale, and the distance between the objects is the first threshold distance. When the map is smaller than the first scale, the map is displayed on the display screen in a second display mode with a second scale smaller than the first scale with a display area for the display screen fixed. On the displayed map of the second scale, the first cursor is displayed at the corresponding position corresponding to the measurement position of the first position display object, and the second position display object A first display control step of displaying the second cursor at the corresponding position corresponding to the measuring position,
In the second display mode, the distance determination is performed in a state in which the map of the second scale is displayed on the display screen and the first and second cursors are displayed on the map of the second scale. When the distance between the objects becomes larger than the second threshold distance larger than the first threshold distance according to the determination result in the step, the second display mode is changed to the first display mode. Displaying the first scale map on the display screen, displaying the first cursor on the first scale map, and displaying the first scale on the display screen in the first display mode. In addition to displaying the map at one scale and displaying the first cursor on the map at the first scale, the distance between the objects is set according to the determination result in the distance determination step. 1 threshold When it becomes smaller than the release, it said the first display mode is changed to the second display mode to the map of the second scale on the display screen by fixing the display area for the display screen And executing a second display control step for displaying the first and second cursors on the map of the second scale ,
In the first and second display control steps,
In the second display mode, the first cursor is moved in accordance with the movement of the first position display object on the map of the second scale displayed with the display area fixed on the display screen. In addition, when the second cursor is moved in accordance with the movement of the second position display target, and at least one of the first and second cursors is moved to the peripheral portion set on the display screen. Determining whether or not the first and second cursors can be simultaneously displayed on the map on the first scale so as to be positioned inside the peripheral portion of the display screen. The display area of the map displayed on the display screen is changed so that the second cursor is positioned inside the surrounding portion, and the first and second maps are displayed on the map at the first scale. The cursor above When the display screen can be displayed at the same time so as to be positioned inside the peripheral portion of the display screen, the display area after the change is determined for the map of the first scale, and the first scale is displayed on the display screen. When the first and second cursors are positioned on the inside of the peripheral portion of the display screen and cannot be displayed simultaneously on the map of the first scale. An information display program for determining the display area after the change for the map of a predetermined scale smaller than the map of one scale and displaying the map of the predetermined scale on the display screen .

Images