JP2003121169A - Navigation apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a navigation apparatus that allows the current position of an own car to be extremely easily understood, also allows the actual condition of the periphery of the current position to be extremely easily understood, and at the same time allows users to have a high feeling of satisfaction. SOLUTION: The navigation apparatus comprises a display means for displaying a photograph screen v1 in a specific reduced scale that is created based on the photograph data of a scale s1 that are read from a storage means where at least two types of photograph data having different scales are stored at the same area, and a display-switching means for switching the display to a photograph screen v2 in a different reduced scale that is created based on the photograph data of a scale s2 that differs from the scale s1 when there are any instructions from a user.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a navigation device, and more particularly to a navigation device using photographic data such as satellite photographs and aerial photographs of the surface of the earth.

[0002]

2. Description of the Related Art FIG. 12 is a block diagram schematically showing a main part of a conventional navigation device. A vehicle speed sensor 2 for calculating the traveling distance by calculating from the vehicle speed and a gyro sensor 3 for acquiring the traveling direction are connected to the microcomputer 1, and the microcomputer 1 calculates the traveling distance and the traveling direction. The position of the vehicle is calculated based on this (autonomous navigation).

The GPS receiver 4 receives GPS signals from satellites via the antenna 5, and the microcomputer 1
The microcomputer 1 is adapted to determine the position of the vehicle based on the GPS signal (GPS navigation).

Further, a DV in which electronic map data and the like are stored
A DVD drive 6 capable of loading electronic map data and the like from a D-ROM 7 (a storage device such as a CD-ROM is also possible) is connected to the microcomputer 1, and the microcomputer 1
By matching the calculated vehicle position with the electronic map data (so-called map matching processing),
A map screen showing the position of the own vehicle is displayed on the display panel 9b. It is also possible to store the electronic map data and the like in a DVD-RAM or HDD (magnetic hard disk) capable of updating the map.

The switch signal output from the joystick 8a and the button switch 8b provided on the remote controller 8 and the button switch 9a provided on the display device 9 are also provided.
The switch signal output from is input to the microcomputer 1,
Processing according to these switch signals is performed by the microcomputer 1. For example, when the microcomputer 1 fetches the information of the moving destination from these switches, it searches for the optimum route from the vehicle position to the destination and displays it as a guide route on the display panel 9b together with the map screen. ing.

As described above, in the navigation device, the map screen is displayed on the display panel 9b, and the destination corresponding to the destination input by the user on the map, the guide route to the destination, and the current position of the own vehicle are displayed. The vehicle position mark and the running locus of the own vehicle up to that point are displayed in an overlapping manner, and the user can obtain course information by sequentially referring to the display panel 9b. It has an excellent function of being able to reach the destination by following.

[0007]

However, in the above-mentioned conventional navigation device, the map screen displayed on the display panel 9b is created using the map data, so that the current position of the vehicle can be understood. , It was sometimes difficult to understand the actual situation around the current position.
This is because it is difficult to represent the vertical positional relationship such as a road that crosses over the road on the map screen, and there are many roads and buildings that are not actually displayed on the map screen.

As one of the means for solving such a problem, an invention has been disclosed in which the current position of the vehicle is displayed on an aerial photograph screen created from aerial photograph data (Japanese Patent Laid-Open No. Hei 5-5- 113343 (publication 1)). Using the aerial photograph screen makes it very easy to understand the buildings that are the landmarks, which makes it easier to understand the current position of the vehicle and also the actual situation around the current position. There is.

[0009] However, as in the invention disclosed in Japanese Patent Laid-Open No. 1-83200, it is not possible to realize a navigation device which is sufficiently satisfying for the user by merely displaying the aerial photograph screen.

The present invention has been made in view of the above problems, and it is possible to make it very easy to understand the current position of the own vehicle, and to very easily understand the actual situation around the current position. It is an object of the present invention to provide a navigation device with high satisfaction.

[0011]

Means for Solving the Problems and Effects Thereof In order to achieve the above object, a navigation device according to the present invention (1)
Is a first photographic screen creating means for creating a photographic screen of a predetermined scale based on the photographic data read from the first photographic data storing means in which photographic data of the surface of the earth is stored, and the first photographic screen creating means. And a first photo screen display unit for displaying the photo screen of the predetermined scale, which is created by the photo screen creating unit, and is different from the predetermined scale based on the photo data. A second photo screen creating means for creating a photo screen of another scale;
When the user gives an instruction to switch the scale, the second photo screen creating means is provided with the first display switching means for switching the display to the photo screen of another scale, and these pictures are provided. It is characterized in that the screen creating means creates these photographic screens without performing enlargement processing.

Further, the navigation device (2) according to the present invention has a photograph of a predetermined scale read from the second photograph data storage means in which photograph data of two or more types having different scales are stored in the same area. Third photo screen creating means for creating a photo screen of a predetermined scale based on the data, and a second photo created by the third photo screen creating means for displaying the photo screen of the predetermined scale. A navigation device comprising a screen display means,
Fourth picture screen creating means for creating a picture screen of a different scale different from the predetermined scale on the basis of picture data of a different scale different from the predetermined scale read from the second picture data storage means And a second display switching means for switching the display to the photographic screen of another reduced scale, which is created by the fourth photographic screen creating means when the user gives an instruction to switch the scale. It is characterized by that.

In a navigation device in which the scale of the displayed screen cannot be switched, for example, if the scale ratio is large (detailed display), a large facility such as a theme park cannot fit within the display screen, and In some cases, the situation may not be understood, and on the other hand, if the scale is small (wide area display), it may not be possible to see the state of the facility in detail, which causes the user to feel stress.

According to the navigation device (1) or (2) described above, when the user gives an instruction to switch the scale, the predetermined scale is displayed on the photographic screen of a predetermined scale (for example, satellite photograph or aerial photograph). Since the display is switched to the photographic screen of a different scale different from the above, it is possible to eliminate the above-mentioned stress on the user.

The navigation device (1) described above
According to the above, since these photographic screens are created without performing the enlargement process, for example, the pixel 1 is stored in the first photographic data storage means.
When photographic data of a scale of 2 m per dot is stored, a photographic screen of a scale of 1 m per pixel is enlarged, which is larger than the scale of 2 m per pixel. That is, since a blurred photo screen is not displayed, only a clear photo image can be provided to the user.

By the way, since the amount of photograph data is much larger than that of map data, it may take a considerable time to read the photograph data from the storage device and process the image. As described above, there is a problem that it is difficult to perform the screen enlargement / reduction processing in a short time.

According to the above-mentioned navigation device (2), two or more types of photographic data having different scales for the same area (for example, photographic data of 1 m scale per dot of a pixel, 2 m scale of 1 m per image dot) Since two or more photo screens with different scales are created based on (photo data, etc.), it is not necessary to perform screen enlargement / reduction processing, so that speedy display switching can be realized.

The navigation device (3) according to the present invention further comprises a first map screen creating means for creating a map screen based on the map data read from the map data storage means in which the map data is stored, and In a navigation device provided with a first map screen display means for displaying a map screen created by the first map screen creating means, a third device in which photographic data showing the surface of the earth is stored in a limited area is stored. A fifth picture screen creation for creating a picture screen showing the vicinity of the current position of the self based on the picture data concerning the vicinity of the current position of the self read from the picture data storage means based on the current position information of the self. Means for determining whether or not the self is present in the area based on the current position information of the self, and the first self position determining means. When the placement determining means determines that the self is present in the area, a third photographic screen for displaying a photographic screen showing the vicinity of the current position of the self, which is created by the fifth photographic screen creating means. And a display means.

The navigation device (4) according to the present invention further comprises a first map screen creating means for creating a map screen based on the map data read from the map data storage means in which map data is stored, In a navigation device provided with a first map screen display means for displaying a map screen created by the first map screen creating means, a third device in which photographic data showing the surface of the earth is stored in a limited area is stored. A fifth picture screen creation for creating a picture screen showing the vicinity of the current position of the self based on the picture data concerning the vicinity of the current position of the self read from the picture data storage means based on the current position information of the self. Means for determining whether or not the self is present in the area based on the current position information of the self, and the first self position determining means. When the user determines that the self is present in the area and the user instructs the display of the photo screen, the fifth photo screen creating unit creates the present image of the self. It is characterized in that it is provided with a fourth photographic screen display means for displaying a photographic screen showing the vicinity of the position.

The navigation device (5) according to the present invention further comprises a first map screen creating means for creating a map screen based on the map data read from the map data storage means in which the map data is stored, and In a navigation device provided with a first map screen display means for displaying a map screen created by the first map screen creating means, a third device in which photographic data showing the surface of the earth is stored in a limited area is stored. A fifth picture screen creation for creating a picture screen showing the vicinity of the current position of the self based on the picture data concerning the vicinity of the current position of the self read from the picture data storage means based on the current position information of the self. Means for determining whether or not the self is present in the area based on the current position information of the self, and the first self position determining means. When the self by location determining means is determined to exist in said area, a first switch forming means for forming an instruction switch for instructing the display of the photographic screen, said indication switch the user O
If the answer is N, a fifth picture screen display means for displaying a picture screen showing the vicinity of the current position of the self, which is created by the fifth picture screen creating means, is provided.

The photograph data has a much larger data amount than the map data. For example, the photograph data which covers the whole country on a scale of 1 m per pixel is recorded on a DVD-ROM.
Since it is extremely difficult to record the data on a recording medium such as, it is conceivable that the map data is recorded all over the country while the photo data is recorded only in major cities.

According to the above-mentioned navigation device (3), when entering an area (for example, a major city such as Tokyo or Osaka) in which photographic data is recorded, the area around the present position of the vehicle (for example, the vehicle) is moved. Since the shown picture screen is automatically displayed, the user can easily grasp the state around the present position of the user.

The navigation device (4) described above
According to (5), when the user is in the area and the user gives an instruction to display the photo screen, the photo screen is displayed. The photo screen can be displayed.

Further, according to the navigation device (5) described above, the instruction switch for instructing the display of the photographic screen is formed only when the self is present in the area. For example, when the instruction switch is a touch button that is turned on by touching the screen, the touch button appears on the screen, so that the user can easily recognize that it is in the area where the photograph screen can be viewed. can do.

Further, the navigation device (6) according to the present invention, on the guide route, which is read out based on the guide route information from the first photograph data storage means in which the photograph data of the surface of the earth is stored, Or, based on the photographic data about a predetermined spot existing around the guide route,
Sixth picture screen creating means for creating a picture screen showing the predetermined spot, and a sixth picture created by the sixth picture screen creating means for displaying the picture screen showing the predetermined spot A screen display means is provided.

Then, in the navigation device (6), for example, an instruction switch for instructing the display of the photograph screen is formed corresponding to each spot.
When the user turns on the instruction switch, the sixth photographic screen display means displays a photographic screen showing a spot corresponding to the turned-on instruction switch. To do.

By the way, the map screen displayed by the conventional navigation device has a limit of expression, and therefore, the user is provided with sufficient information about a place having a height difference such as an interchange or a place having a complicated structure. There were times when you couldn't.

According to the above navigation device (6), a photographic screen showing a predetermined spot (for example, interchange, service area, tourist attraction, etc.) existing on or around the guide route is displayed. . Therefore, it is possible to display a place, which was difficult to express on the map screen, on the photo screen, so that the user can easily grasp the place. Also, by displaying tourist attractions with many attractions on the photo screen,
You can make driving and more fun. Further, for example, by forming an instruction switch for instructing the display of the photo screen in association with each spot, the user can easily select a desired spot.

Further, the navigation device (7) according to the present invention creates a photographic screen based on the photographic data read from the first photographic data storage means in which the photographic data of the surface of the earth is stored. Read out from the detailed picture storage means, the seventh picture screen display means for displaying the picture screen created by the seventh picture screen preparation means, and the detailed data storage means in which detailed data regarding a predetermined spot is stored. , Detailed information providing means for providing a user with detailed information on the spot based on detailed data on the spot existing in the area displayed on the photo screen.

Then, in the navigation device (7), for example, an instruction switch for instructing the provision of the detailed information is formed corresponding to each spot.
And a detailed information providing means,
ON when the user turns on the instruction switch
The user is provided with detailed information on the spot corresponding to the designated instruction switch.

According to the navigation device (7) described above, detailed information (eg, entrance fee, business days, etc.) regarding spots (eg, amusement facilities, restaurants, etc.) existing in the area where the displayed photo screen is displayed is shown. (Information) is provided to the user, so that it is possible to realize a navigation device that can further enhance user satisfaction. Further, for example, the instruction switch for instructing the provision of the detailed information is formed corresponding to each spot, so that the user can easily select a desired spot.

Further, the navigation device (8) according to the present invention is characterized in that the destination is read out from the first photo data storage means in which the photo data showing the surface of the earth is stored based on the position information of the destination. Eighth picture screen creating means for creating a picture screen showing the vicinity of the destination based on picture data concerning the surroundings, and a picture showing the vicinity of the destination created by the eighth picture screen creating means An eighth photographic screen display means for displaying a screen is provided.

Further, in the navigation device (9) according to the present invention, in the navigation device (8), when the user sets the destination, the eighth photographic screen display means displays the vicinity of the destination. It is characterized by displaying the photograph screen shown.

The navigation device (10) according to the present invention is the same as the navigation device (8),
A second self-position determination means for determining whether or not the self has reached the vicinity of the destination based on the current position information of the self and the position information of the destination, and the second self-position determination When it is determined by the means that the self has reached the vicinity of the destination, the eighth photographic screen display means,
It is characterized in that a photographic screen showing the vicinity of the destination is displayed.

The above-mentioned navigation devices (8) to (1
According to any of 0), since a photo screen showing the vicinity of the destination is displayed, for example, information such as whether the destination is the central part of the city, information whether the road width is wide or narrow, It is possible for the user to acquire a variety of information regarding the destination such as information as to whether the density of the village is high or low, information as to whether or not there is a play facility or a parking lot.

Further, the navigation device (9) described above
According to the above, when the destination is set, a photo screen showing the vicinity of the destination is displayed, so that the user can grasp the situation around the destination in advance, and
According to the navigation device (10) described above, when the user reaches the vicinity of the destination, a photographic screen showing the vicinity of the destination is displayed, so that the user immediately before the destination reaches the destination. You can grasp the surrounding situation.

Further, the navigation device (11) according to the present invention includes first map screen creating means for creating a map screen based on the map data read from the map data storage means in which map data is stored, and In a navigation device provided with a first map screen display means for displaying a map screen created by the first map screen creating means,
Seventh picture screen creating means for creating a picture screen based on the picture data read out from the first picture data storage means in which the picture data showing the surface of the earth is stored, and the picture screen to the picture screen Switching the display and / or switching the display from the photo screen to the map screen,
It is characterized in that it is provided with a third display switching means for matching the area shown on the map screen with the area shown on the photograph screen.

Then, the navigation device (11)
In the above, for example, the third display switching means may switch the display by performing screen processing (giving various display effects) of fade-in and / or fade-out.

According to the above navigation device (11), switching of the display from the map screen to the photo screen and / or switching of the display from the photo screen to the map screen is performed in the area indicated by the map screen and the above-mentioned area. Since the display is performed in the same area as the image displayed on the photo screen, it is possible to switch between these displays without making the user feel uncomfortable.

Further, for example, image processing such as fade-in and / or fade-out (for example, changing the transmissivity of the screen display from 100 to 0%) to switch the display is performed. The display can be switched in a very excellent manner.

Further, the navigation device (12) according to the present invention is characterized in that the self-device read out from the first photo data storage means in which the photo data showing the surface of the earth is stored based on the current position information of the self. Ninth photo screen creating means for creating a photo screen showing the surroundings of the current position of the user based on the photo data concerning the surroundings of the current position of
Based on the ninth picture screen display means for displaying the picture screen showing the periphery of the present position of the self created by the ninth picture screen creating means, and the current position information of the self,
A navigation device comprising: a first current position display means for displaying the current position of the self on the photograph screen,
Second map screen creating means for creating a map screen based on the map data read out from the map data storing means in which the map data is stored, and a display area of the photo screen based on the current position information of the self. On the other hand, the display area of the map screen is enlarged and the display area of the map screen is enlarged in accordance with the movement of the user. It is characterized by having.

Then, the navigation device (12)
In the above, it is preferable that, for example, the fourth display switching unit performs the switching of the display while matching the area displayed on the photograph screen with the area shown on the map screen.

By the way, since the photographic data has a much larger data amount than the map data, and it may take a considerable time to read the photographic data from the storage device or process the image, the map data may be used. So that, for example,
There is a problem that it is difficult to fix the current position mark of oneself on the display and update the screen in accordance with the movement of the oneself.

To solve this problem, the photo screen may be fixed on the display, and the current position mark of the self may be moved on the photo screen. Since it is not updated according to its own movement, the current position mark of the user will eventually come off the photographic screen (that is, the display).

According to the above-mentioned navigation device (12), the display area of the photo screen is made small, while the display area of the map screen is made large so that the user can move from the photo screen to the map screen in accordance with his / her movement. Since the display is switched little by little, it is possible to switch the display visually excellent. Further, the above problem is solved by switching the display so that the current position mark of the user is on the map screen before the current position mark of the user is off the photo screen (display). You can also Furthermore, if the display is switched while the area displayed on the photograph screen and the area displayed on the map screen are matched, the display can be switched without making the user feel uncomfortable.

Further, the navigation device (13) according to the present invention is based on a predetermined condition from the fourth photo data storage means in which the photo data photographed in two or more different states for the same area is stored. A tenth photo screen creating means for creating a photo screen based on the read photo data, and a tenth photo screen displaying means for displaying the photo screen created by the tenth photo screen creating means. It is characterized by being.

According to the above-mentioned navigation device (13), the fourth photo data storage in which the photo data photographed in two or more different states (for example, according to seasons, time zones, etc.) in the same area is stored. The means displays a photographic screen created based on the photographic data read out based on a predetermined condition (for example, a photograph taken in winter).
For example, in the case of December, a photographic screen created based on photographic data taken in winter can be displayed, so that a navigation device with a sense of the season can be realized.

The navigation device (14) according to the present invention further comprises first map screen creating means for creating a map screen based on the map data read from the map data storage means in which map data is stored, and In a navigation device provided with a first map screen display means for displaying a map screen created by the first map screen creating means,
A seventh photographic screen creating means for creating a photographic screen based on the photographic data read from the first photographic data storing means in which photographic data of the surface of the earth is stored;
The map screen created by the map screen creating means and the multi-screen display means for displaying the photo screen created by the seventh photo screen creating means on the same display screen.

According to the above navigation device (14), the map screen (screen relatively easy to grasp the layout of the main road) and the photo screen (screen relatively easy to grasp the surroundings) are displayed in the same display. Since it is displayed on the screen, for example,
It is possible to efficiently grasp the arrangement state of roads and surrounding conditions in a certain urban area.

Further, the navigation device (15) according to the present invention creates a photographic screen based on the photographic data read from the first photographic data storage means in which the photographic data of the earth's surface is stored. And a seventh picture screen displaying means for displaying a picture screen, which is created by the seventh picture screen creating means, wherein the seventh picture screen creating means is based on a predetermined condition. It is characterized by creating a photographic screen that has been subjected to predetermined image processing.

According to the above navigation device (15), based on a predetermined condition (for example, time zone),
Since a photographic screen created by performing predetermined image processing (for example, filter processing) is displayed, for example, a nighttime photographic screen can be displayed after sunset, so a device with high user satisfaction Can be realized.

[0052]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a navigation device according to the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram schematically showing a main part of a navigation device according to an embodiment (1). However, the same components as those of the navigation device shown in FIG. 12 are designated by the same reference numerals, and the description thereof will be omitted here.

The vehicle speed sensor 2 and the gyro sensor 3 are connected to the microcomputer 11, and the microcomputer 11 determines the position of the vehicle based on the calculated traveling distance and traveling direction (autonomous navigation). In addition, the GPS receiver 4
Is connected to the microcomputer 11, and the microcomputer 11 is a GP
The vehicle position is determined based on the S signal (GPS navigation).

Also, a DVD-ROM 17 (where a recording area (for example, a major city) is recorded in which electronic map data covering the whole of the country and photographic data such as satellite photographs and aerial photographs of the surface of the earth are recorded. A microcomputer 1 is a DVD drive 6 that can capture electronic map data, photo data, etc. from a storage device such as a CD-ROM)
1, the microcomputer 11 temporarily stores the necessary map data and photo data from the DVD-ROM 17 in the buffer memory 18 in the microcomputer 11 based on the calculated current position of the vehicle. Has become. The DVD-ROM 17 has photographic data showing the surface of the earth in the same area, for example, 1 pixel per dot.
An m scale and a 4 m scale are recorded.

Further, a plurality of infrared LEDs and a plurality of phototransistors are arranged on the upper, lower, left and right sides of the display panel 9b so as to face each other, and the position where a finger touches the display panel 9b can be detected. The detected result can be acquired by the microcomputer 11.

Next, the processing operation performed by the microcomputer 11 in the navigation device according to the embodiment (1) will be described with reference to the flow charts shown in FIGS.
First, the current position of the own vehicle is calculated from the GPS signal or the like (step S1), and based on the calculated current position information of the own vehicle and the map data stored in the buffer memory 18, the surroundings of the current position of the own vehicle. A map screen indicating is created (step S2). The data relating to the created map screen is stored in the buffer memory 18 and read at the display timing.

Next, based on the current position information of the own vehicle and the photograph data stored in the buffer memory 18, the own vehicle exists in the recording area (for example, a major city such as Tokyo or Osaka). If it is determined that the vehicle is present in the recording area, the current position information of the vehicle and the two types of scales stored in the buffer memory 18 are determined. Based on the photograph data, two types of photograph screens (for example, a wide area photograph screen, a detailed photograph screen, etc.) showing the vicinity of the current position of the vehicle are created (step S4). In addition,
The data relating to the created picture screen is stored in the buffer memory 18 and read at the display timing.

Next, it is determined whether or not the flag f ₁ indicating that the screen displayed on the display panel 9b is switched from the map screen to the photo screen is 1 (step S5).
If it is determined that the flag f ₁ is not 1, that is, it is not switched to the photo screen, then it is possible to switch the display to the photo screen (that is, the own vehicle is present in the recording area). it is determined whether the flag f ₂ is 1 indicating (step S6), and if the flag f ₂ is not 1 determines, "photo screen for instructing the user to switch the display from the map screen to the photographic screen A button switch (touch switch) is formed (step S7), then the flag f _{2 is set} to 1 (step S8), and the process proceeds to step S9. FIGS. 4A and 4B are diagrams showing a state in which the map screen is displayed on the display panel 9b, and FIG.
Displays a "photograph screen" button switch on the map screen. On the other hand, in step S6, the flag f ₂ is 1, i.e. if it is judged that already "photo screen" button switch is formed, skipping step S7, S8, the process directly proceeds to step S9.

In step S9, it is determined whether or not the user touches the "photograph screen" button switch,
If it is determined that "photographic screen" button switch is touched, by removing the "photo screen" button switch (step S10), and the flag f ₂ is set to 0 (step S11), and then around the current position of the vehicle Is displayed, and a vehicle position mark indicating the current position of the vehicle is displayed on the photograph screen (step S12). As a method of displaying the own vehicle position mark on the photograph screen, for example, there is a method of using the latitude and longitude at the upper left and lower right of the rectangular area represented by the photograph data.

After the process in step S12, a "return" button switch for instructing the user to return the display from the photo screen to the map screen and a user for instructing the switching of the scale of the photo screen are further provided. A "scale switching" button switch is formed (step S1
3, S14), and the flag f _{1 is set} to 1 (step S1
5). FIG. 5 shows a state in which a photo screen is displayed on the display panel 9b. On the other hand, if it is determined in step S9 that the "photo screen" button switch is not touched, the map screen is updated based on the current position information of the vehicle (step S16).

If it is determined in step S5 that the flag f ₁ is 1, that is, the display has been switched to the photographic screen, it is determined whether the "return" button switch has been touched (step S17). If it is determined that the "return" button switch has been touched, the "return" button switch and the "scale reduction" button switch are removed from the screen (steps S18 and S19), and the flag f is set.
_{1 is set} to 0 (step S20). Thereafter, a map screen showing the vicinity of the current position of the vehicle is displayed (step S2
1), a "photograph screen" button switch is formed (step S22), and the flag f _{2 is set} to 1 (step S2).
3).

On the other hand, in step S17, "return"
If you determine that the button switch is not touched,
It is determined whether or not the "scale switching" button switch is touched (step S24), and if it is determined that the "scale switching" button switch is touched, the scale of the photographic screen is switched (step S25). The vehicle position mark displayed on the photograph screen is updated based on the current vehicle position information (step S26). FIG. 6 shows a state where the vehicle position mark displayed on the photograph screen is updated.

It should be noted that the switching of the scale of the photograph screen is carried out by reading the data on the photograph screen of the detailed display from the buffer memory 18 when the photograph screen of the wide area display is displayed. On the other hand, when the screen is displayed, while the detailed photo screen is displayed,
Data relating to the wide area display picture screen is read from the buffer memory 18, and the wide area display picture screen is displayed.

If it is determined in step S24 that the "scale switching" button switch has not been touched, there is no need to switch the scale of the photographic screen. Therefore, step S25 is skipped and the process directly proceeds to step S26. The vehicle position mark displayed on the photo screen is updated based on the current vehicle position information.

By the way, if it is determined in step S3 that the vehicle does not exist in the recording area, whether the flag f ₁ indicating that the display has been switched from the map screen to the photo screen is 1 or not. (Step S3
1) If the flag f ₁ is not 1, that is, if it is determined that the map screen is displayed, then it is possible to switch the display to the photo screen (that is, the own vehicle is in the recording area). It is determined whether or not the flag f ₂ indicating that it exists) is 1 (step S32).

If it is judged that the flag f ₂ is 1, that is, the "photo screen" button switch is formed,
Remove the "picture screen" button switch (step S3
3), the flag f _{2 is set} to 0 (step S34). On the other hand, if it is determined in step S32 that the flag f ₂ is not 1, it is not necessary to perform the processing operation in steps S33 and S34, and thus the processing operation ends.

Further, in step S31, the flag f
_{If 1} is 1, that is, if it is determined that the photo screen is displayed, it is determined whether the user has touched the "return" button switch (step S35), and it is determined that the "return" button switch has been touched. if, by removing the "return" button switch and a "scale switching" button switch (step S36, S37), the flag f ₁ 0
(Step S38), and then a map screen showing the vicinity of the current position of the vehicle is displayed (step S39).
On the other hand, if it is determined in step S35 that the "return" button switch has not been touched, there is no need to return the display to the map screen, and the processing operation is terminated.

According to the navigation device of the above embodiment (1), when the vehicle enters the area in which the photograph data is recorded (for example, a major city such as Tokyo or Osaka),
Since the “photo screen” button switch is displayed, the user can easily recognize that the user has entered the displayable area of the photo screen.

When the user touches the "photo screen" button switch, the display is switched from the map screen to the photo screen showing the vicinity of the current position of the vehicle, so that the user views the photo screen. By
It becomes possible to easily understand the current position of the own vehicle, and it becomes easy to understand the actual situation around the current position.

Further, in the navigation device according to the above-mentioned embodiment (1), the "photo screen" button switch is displayed to notify the user that the user has entered the displayable area of the photo screen. The display is switched by touching the "photo screen" button switch, but in the navigation device according to another embodiment, the user can change the shape and color of the vehicle position mark by changing the shape and color. The display may be switched by notifying that the vehicle has entered the displayable area of the photo screen or by touching the vehicle position mark whose shape or color has changed.

Although only the case where the map screen is completely switched to the photo screen is described here, the display space of the map screen is reduced when the photo screen is displayed, and the photo is displayed in an empty space. A screen may be displayed, or the photo screen may be displayed in an overlapping manner on the map screen.

Further, in the navigation device according to the above-mentioned embodiment (1), the picture screen is displayed according to the switching instruction from the user, but in the navigation device according to another embodiment, the vehicle When is entered into the recording area, a photographic screen showing the vicinity of the current position of the vehicle may be automatically displayed. However, in this case, a method of completely switching from the map screen to the photo screen may be used, but it is more preferable to reduce the display space of the map screen and display the photo screen in an empty space.

Further, in the navigation device according to the above-mentioned embodiment (1), there is a problem that the photograph data has a very large amount of data, and it takes much time to read the photograph data from the storage device and process the image. In consideration of this, the DVD-ROM 17 in which two types of photographic data having different scales are recorded in the same area is used. However, if it becomes possible to perform image processing on photographic data at high speed, the two types will be used. Instead of the above-described recording medium on which photographic data is recorded, a recording medium on which one type of photographic data having a small scale (for example, a scale of 1 m per pixel, that is, detailed image data) is recorded is adopted. good.

Next, the navigation device according to the embodiment (2) will be described. However, since the navigation device according to the embodiment (2) has the same configuration as that of the navigation device shown in FIG. 1 except for the microcomputer 11, the microcomputer is given different reference numerals, and the other description is omitted here. Will be omitted.

The processing operation performed by the microcomputer 11A in the navigation apparatus according to the embodiment (2) will be described with reference to the flowchart shown in FIG. First, the flag f ₃ ~f ₅ in step S41 to S43, to be described later
There it is determined whether the 1, if the flag f ₃ ~f ₅ all 1 judged not, the process proceeds to step S44, whether it is input and a destination by the user, or the root of the setting has been completed To judge.

If it is determined that the route setting has not been completed, the processing operation is terminated, and if it is determined that the route setting has been completed, the next set route is D.
It is determined whether or not the vehicle is traveling in a recording area (for example, a major city) of the photographic data recorded in the VD-ROM 17 (step S45), and if it is determined that the vehicle is traveling in the recording area, the setting is made. It is determined whether or not a predetermined spot (for example, an interchange, a tourist attraction, etc.) exists on or around the route that has been set (step S).
46).

If it is determined that the predetermined spot exists on or around the route, the DVD-ROM
Necessary photographic data (that is, photographic data relating to the predetermined spot existing on or around the route) is read out from 17, and a photographic screen showing the predetermined spot is created based on the read photographic data. (Step S47). The data relating to the created picture screen showing the predetermined spots is stored in the buffer memory 18.

Next, the route is displayed on the screen (step S48), and a button switch for instructing the user to display the photographic screen showing the predetermined spot is formed in association with the position of the spot. (Step S4
9) Then, the flag f ₄ indicating that the button switch is formed is set to 1 (step S50). FIG. 8 shows a state in which the button switch is displayed on the map.

As for the button switch, as shown in FIG. 8, the display content is determined for each spot type. For example, the interchange is determined to be "IC" and the service area is determined to be "SA". Therefore, the user can easily select the desired spot.

Next, it is judged whether or not a route display end instruction has been issued by operating the remote controller 8 or the like (step S51), and it is judged that the user has not issued a route display end instruction. For example, it is determined whether or not a button switch such as "IC" displayed on the screen is touched (step S52).

If it is determined that the button switch has not been touched, the processing operation is terminated, while if it is determined that the button switch has been touched, a photographic screen showing a spot corresponding to the touched button switch is displayed. (step S53), the back of the display to the screen a route is displayed user "Back" for instructing button switch is formed (step S54), the flag f ₄
Is set to 0 (step S55), and the flag f ₅ indicating that the photo screen showing the spot is displayed is set to 1
(Step S56).

Next, it is judged whether or not the "return" button switch is touched by the user (step S5).
7) If it is determined that the touch has been made, the process returns to step S48 to display the route. On the other hand, if it is determined that the route has not been touched, the processing operation is terminated. Further, in step S51, it is judged that the route display termination instruction by the user is performed, by displaying a menu screen (step S58), the to 0 flag f ₄ (step S59).

Further, in step S45, it is determined that the set route is not traveling in the recording area, and in step S46, the set route is
Alternatively, if it is determined that the predetermined spot does not exist in the vicinity of the route, the process proceeds to step S60, the route is displayed, and then a flag indicating that the route is displayed in the same manner as the conventional one. f _{3 is set} to 1 (step S61).

Next, it is judged whether or not an instruction to end the route display is given by operating the remote controller 8 or the like (step S62), and it is judged that the user gives an instruction to end the route display. if, to display the menu screen (step S63), the flag f ₃ to 0 (step S64). On the other hand, if it is determined that the instruction to end is not issued, the processing operation is ended as it is.

In step S41, the flag f
If it is determined that ₃ is 1, that is, the route is displayed in the same manner as the conventional one, the process proceeds to step S62, and in step S42, the flag f ₄ is 1, that is, a photograph showing a spot. If it is determined that the button switch for instructing the display of the screen is displayed, the process proceeds to step S51, and it is determined whether or not the user has instructed to end the route display. Further, in step S43, the flag f ₅ is 1, i.e. if it is determined that the photographic screen showing the spot is displayed, the process proceeds to step S57, the "back" button switch determines whether it is touched To do.

According to the navigation device of the above embodiment (2), a photograph showing a predetermined spot (for example, interchange, service area, tourist attraction, etc.) existing on or around the set route road. The screen is displayed. Therefore, it is possible to display a place, which was difficult to express on the map screen, on the photo screen, so that the user can easily grasp the place. In addition, by displaying the tourist attractions with many attractions on the photo screen, driving can be made more enjoyable. Further, since the button switch for instructing the display of the photo screen is formed in association with each spot, the user can easily select a desired spot.

Next, the navigation device according to the embodiment (3) will be described. However, the navigation device according to the embodiment (3) has the same configuration as that of the navigation device shown in FIG. 1 except for the microcomputer 11 and the DVD-ROM 17, so that the microcomputer and the DV
Different reference numerals are given to the D-ROM, and the other description is omitted here.

The DVD-ROM 17B has electronic map data covering the entire country, photographic data such as satellite photographs and aerial photographs of the surface of the earth, and detailed data (eg, amusement facilities, restaurants, etc.) related to a predetermined spot (eg, amusement facilities, restaurants, etc.). , Admission fees, business days, etc.) are recorded. Note that the recording area (for example, major cities) of the photographic data is limited.

Next, the processing operation performed by the microcomputer 11B in the navigation device according to the embodiment (3) will be described with reference to the flowchart shown in FIG. First,
Flag f ₆ indicating that the photographic screen is displayed, it is determined whether a 1 (step S71), the flag f ₆ is not 1, i.e. it is judged that the photographic screen is not displayed, photo screen Display timing (for example, when the user has instructed to switch the display to the photo screen)
It is determined whether or not (step S72).

If it is determined that it is not the display timing of the photographic screen, the processing operation is terminated, and if it is determined that it is the display timing of the photographic screen, detailed data is recorded in the area where the displayed photographic screen is projected. It is determined whether or not there is a predetermined spot (for example, an amusement facility, a restaurant, etc.) that has been displayed (step S73).

If it is determined that the predetermined spot exists, a button switch for instructing the provision of detailed information on the predetermined spot is formed corresponding to each spot (step S74), and the photograph screen is displayed. displayed (step S75), the back from the photographic screen of the display to its previous screen user "Back" for instructing button switch is formed (step S76), and the flag f ₆ 1 (Step S77). On the other hand, if it is determined in step S73 that the predetermined spot does not exist, step S74 is skipped and the process proceeds to step S75.

By the way, in step S71, if it is determined that the flag f ₆ is 1, that is, if the photograph screen is displayed, is the flag f ₇ indicating that the detailed information regarding the spot is displayed 1? It determines whether (step S78), the flag f ₇ is not 1, i.e. the it is judged that the detailed information is not displayed, whether the decision button switch that is formed in correspondence with each spot has been touched Yes (step S79).

If it is judged that the button switch is touched, the detailed data on the corresponding spot is read out, and the detailed information on the spot is displayed based on the read out detailed data (step S80), and the flag f is displayed.
_{7 is set} to 1 (step S81).

On the other hand, if it is determined in step S79 that the button switch has not been touched, it is determined whether the "return" button switch has been touched (step S82), and the user touches the "return" button switch. if judged to be "back" button switch is removed (step S83), the flag f ₆ to 0 (step S84), and displays the screen before one of said photographic screen (step S85). On the other hand, if it is determined that the "return" button switch has not been touched, the processing operation ends.

Further, in step S78, the flag f
_{If 7} is 1, that is, if it is determined that the detailed information is displayed, it is determined whether the "return" button switch is touched by the user (step S86),
If you determine that the "Back" button switch has been touched,
The flag f _{7 is set} to 0 (step S87), and the photo screen is displayed (step S88). On the other hand, if it is determined that the "return" button switch has not been touched, the processing operation ends.

According to the navigation device of the above-mentioned embodiment (3), detailed information (for example, entrance fee, etc.) regarding spots (for example, amusement facilities, restaurants, etc.) existing in the area where the displayed photo screen is projected. Since information on business days and the like) is provided to the user, it is possible to realize a navigation device that can further enhance user satisfaction. Moreover, since the button switch for instructing the provision of the detailed information is formed in association with each spot, the user can easily select a desired spot.

Next, a navigation device according to the embodiment (4) will be described. However, the navigation device according to the embodiment (4) has the same configuration as that of the navigation device shown in FIG. 1 except for the microcomputer 11, so that the microcomputer is given different reference numerals and the other description is omitted here. Will be omitted.

The processing operation performed by the microcomputer 11C in the navigation device according to the embodiment (4) will be described with reference to the flowchart shown in FIG. First, GP
The current position of the vehicle is calculated from the S signal, etc. (step S9
1) Next, DVD-picture data about the destination
It is determined whether or not the flag f ₈ indicating that the data has been read from the ROM 17 is 1 (step S92).

When it is determined that the flag f ₈ is not 1, that is, the photograph data has not been read, the vehicle arrives at the destination within 10 minutes based on the calculated current position information of the vehicle. It is determined whether or not (step S9
3) If it is determined that the destination is not reached within 10 minutes, the processing operation is terminated, and if it is determined that the destination is reached within 10 minutes, the photographic data on the periphery of the destination is recorded on the DVD.
Is read from -ROM17, stored in the buffer memory 18 (step S94), the flag f ₈ to 1 (step S95), and the process proceeds to step S96. Further, in step S92, the flag f ₈ is 1, i.e. if it is determined that the said photographic data is already read, skip steps S93～S95, the process directly proceeds to step S96.

In step S96, it is judged whether or not the own vehicle reaches the target within 3 minutes based on the current position information of the own vehicle. When the processing operation is finished and it is determined that the destination is reached within 3 minutes, a photographic screen showing the periphery of the destination is created based on the photographic data regarding the periphery of the destination stored in the buffer memory 18 ( Step S9
7) Display the created photo screen (step S98),
Then, the flag f _{8 is set} to 0 (step S99).

According to the navigation device of the above-mentioned embodiment (4), since the photographic screen showing the vicinity of the destination is displayed, for example, information such as whether or not the destination is the central part of the city and the road. The user can acquire a wide variety of information about the destination, such as whether the width is wide or narrow, whether the settlement density is high or low, information about the presence or absence of play facilities and parking lots, and the like. Also, when the own vehicle reaches near the destination,
Since the photograph screen showing the vicinity of the destination is displayed, the user can grasp the situation around the destination immediately before arriving at the destination.

In the navigation device according to the above embodiment (4), when the own vehicle reaches the vicinity of the destination, a photographic screen showing the vicinity of the destination is displayed. In the navigation device according to the embodiment, it is possible to display the photo screen when the destination is set by the user, or to display the photo screen when there is a display instruction from the user. Is also good.

The display panel 9 in the navigation device according to any of the above-described embodiments (1) to (4).
Map screens, photo screens, screens showing detailed information, etc. displayed on b may be displayed on the same screen, which allows the user to efficiently obtain information obtained from various various screens. You can get a good grasp. Also, when displaying various various screens on the same screen,
The display space and the like may be differentiated according to the degree of importance and instructions from the user.

Further, in the navigation device according to any of the above embodiments (1) to (4), switching of the display from the map screen to the photo screen and / or the display from the photo screen to the map screen is performed. By switching the area shown on the map screen and the area projected on the photo screen (matching the scale, orientation, and position of both screens), the display can be switched without making the user feel uncomfortable. It can be carried out.

Furthermore, image processing of fade-in and / or fade-out (for example, the transmittance of the screen display is set to 10
It is possible to switch the display which is visually excellent by performing the change (0 to 0%) to switch the display. As a method of matching the scale, orientation, and position of these two screens, for example, the latitude / longitude at the upper left and lower right of the rectangular area represented by the map data and the latitude / longitude at the lower left and lower right of the rectangular area represented by the photographic data There is a method to match the longitude.

By the way, since the photographic data has a very large data amount as compared with the map data and it may take a considerable time to read the photographic data from the storage device and process the image, it is necessary to use the map data. So that, for example,
There is a problem that it is difficult to fix the current position mark of oneself on the display and update the screen in accordance with the movement of the oneself.

As one of the methods for solving this problem, as shown in FIGS. 5 and 6, the photograph screen is displayed on the display panel 9.
There is a method of fixing the current position mark on b and moving the current position mark of the self on the photo screen, but since the photo screen is not updated according to the movement of the self, Therefore, the current position mark of the user will be out of the photo screen (that is, the display panel 9b).

As a method for avoiding such a situation, as shown in FIGS. 11A to 11H, when switching the display from the photograph screen to the map screen,
While making the area indicated by the map screen coincide with the area displayed by the photograph screen, the display area of the photograph screen is reduced in accordance with the movement of the vehicle, while the display area of the map screen is enlarged. There is a method of gradually switching the display so that the current position mark on the map screen comes before the current position mark of the own vehicle deviates from the photo screen (display panel 9b). As a result, it is possible to avoid the occurrence of the above situation, and at the same time, it is possible to switch the display which is very visually excellent.

In addition, in the navigation device according to any one of the above-mentioned embodiments (1) to (4), images are taken in two or more states (for example, by season, by time zone, etc.) that are individual for the same area. Predetermined conditions (for example, photo data taken in winter) from the recording medium that recorded the photo data
For example, by displaying a photo screen created based on the read photo data based on the read photo data,
In the case of February, it is possible to display a photo screen created based on photo data taken in winter (such as the situation of a city area with snow), so that a navigation device with a higher added value can be realized. You can

Further, in the navigation device according to any of the above embodiments (1) to (4), predetermined image processing (for example, filter processing) based on a predetermined condition (for example, time zone). By displaying the photograph screen on which the image is applied, for example, the photograph screen at night can be displayed after sunset, so that a device with high user satisfaction can be realized.

[Brief description of drawings]

FIG. 1 is a block diagram schematically showing a main part of a navigation device according to an embodiment (1) of the present invention.

FIG. 2 is a flowchart showing a processing operation performed by a microcomputer in the navigation device according to the embodiment (1).

FIG. 3 is a flowchart showing a processing operation performed by a microcomputer in the navigation device according to the embodiment (1).

4A and 4B are diagrams showing a state in which a map screen is displayed on a display panel.

FIG. 5 is a diagram showing a state in which a photographic screen is displayed on the display panel.

FIG. 6 is a diagram showing a state in which the vehicle position mark displayed on the photograph screen is updated.

FIG. 7 is a flowchart showing a processing operation performed by a microcomputer in the navigation device according to the embodiment (2).

FIG. 8 is a diagram showing a state in which button switches for selecting spots are displayed on a map.

FIG. 9 is a flowchart showing a processing operation performed by a microcomputer in the navigation device according to the embodiment (3).

FIG. 10 is a flowchart showing a processing operation performed by a microcomputer in the navigation device according to the embodiment (4).

11A to 11H are diagrams showing a state in which the display on the photo screen is switched to the map screen.

FIG. 12 is a block diagram schematically showing a part of a conventional navigation device.

[Explanation of symbols]

Microcomputer 11, 11A-11C DVD-ROM 17, 17B Buffer memory 18

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) G09B 29/00 G09B 29/00 C 29/10 29/10 A (72) Inventor Takashi Ota Kobe City, Hyogo Prefecture 1-2-2 Gosho-dori, Hyogo-ku, within Fujitsu Ten Ltd. (72) Inventor Takao Yamaguchi 1-2-28, Gosho-dori, Gosho-dori, Hyogo-ku, Hyogo Prefecture (72) Inventor Shoji Fujimoto Hyogo 1-2-2 Gosho-dori, Hyogo-ku, Kobe FUJITSU TEN CORPORATION (72) Inventor Hiroshi Takeuchi 1-2-28 Gosho-dori, Hyogo-ku, Kobe, Hyogo Prefecture F-Term (reference) 2C032 HB02 HB05 HB22 HC08 HC13 HC23 HC24 HD03 2F029 AA02 AB01 AB07 AB12 AC02 AC09 AC16 5B050 AA08 BA06 BA11 BA17 CA07 FA02 FA12 FA19 GA08 5H180 AA01 BB13 CC12 FF04 FF05 FF22 FF27 FF32 FF38

Claims (15)

[Claims] 1. A first photographic screen creating means for creating a photographic screen of a predetermined scale based on the photographic data read out from the first photographic data storing means in which photographic data of the surface of the earth is stored. A navigation device comprising: a first photo screen display means for displaying the photo screen of the predetermined scale, which is created by the first photo screen creating means, wherein: A second photo screen creating means for creating a photo screen of a different scale different from the scale, and a user's instruction to switch the scale, the second photo screen creating means creates a photo screen of the different scale. A first display switching means for switching the display to a photographic screen, and the photographic screen creating means creates these photographic screens without performing enlargement processing. That the navigation device. 2. Two different scales for the same area
Third photo screen creating means for creating a photo screen of a predetermined scale based on the photo data of a predetermined scale read out from the second photo data storage means in which photo data of a type or more is stored; A navigation device comprising: a second photograph screen display means for displaying the photograph screen of the predetermined scale, which is created by the photograph screen creating means of No. 3, and is read from the second photograph data storage means. A fourth photo screen creating means for creating a photo screen of a different scale different from the predetermined scale based on photo data of a different scale different from the predetermined scale; and a user's instruction to switch the scale. A second display switching means for switching the display to the different scale of the picture screen created by the fourth picture screen creating means. Navigation device. 3. A first map screen creating means for creating a map screen based on the map data read from the map data storing means storing the map data, and the first map screen creating means. In a navigation device provided with a first map screen display means for displaying a map screen, the current position information of the self is obtained from a third photo data storage means in which photo data showing the surface of the earth is stored in a limited area. Fifth photo screen creating means for creating a photo screen showing the vicinity of the current position of the self based on the photo data regarding the vicinity of the current position of the self read based on the current position information of the self. A first self-position determining means for determining whether or not the self is present in the area, and the self in the area by the first self-position determining means. When it is determined that the user is present, a third photo screen display means for displaying a photo screen showing the periphery of the current position of the self, which is created by the fifth photo screen creating means, is provided. Navigation device. 4. A first map screen creating means for creating a map screen based on the map data read from the map data storing means in which the map data is stored, and the first map screen creating means. In a navigation device provided with a first map screen display means for displaying a map screen, the current position information of the self is obtained from a third photo data storage means in which photo data showing the surface of the earth is stored in a limited area. Fifth photo screen creating means for creating a photo screen showing the vicinity of the current position of the self based on the photo data regarding the vicinity of the current position of the self read based on the current position information of the self. A first self-position determining means for determining whether or not the self is present in the area, and the self in the area by the first self-position determining means. If the user gives an instruction to display the photograph screen when it is determined that the photograph screen is displayed, a photograph screen that shows the periphery of the current position of the user, which is created by the fifth photo screen creating unit, is displayed. 4. A navigation device, comprising: 4) a picture screen display means. 5. A first map screen creating means for creating a map screen based on the map data read from the map data storing means storing the map data, and the first map screen creating means. In a navigation device provided with a first map screen display means for displaying a map screen, the current position information of the self is obtained from a third photo data storage means in which photo data showing the surface of the earth is stored in a limited area. Fifth photo screen creating means for creating a photo screen showing the vicinity of the current position of the self based on the photo data regarding the vicinity of the current position of the self read based on the current position information of the self. A first self-position determining means for determining whether or not the self is present in the area, and the self in the area by the first self-position determining means. If it is determined that the switch is present, first switch forming means for forming an instruction switch for instructing the display of the photographic screen, and when the instruction switch is turned on by the user, the fifth photographic screen creating means is used. A navigation device, comprising: a fifth photo screen display means for displaying a photo screen that shows the periphery of the current position of the self created. 6. A predetermined spot existing on the guide route or in the vicinity of the guide route, which is read out based on the guide route information from the first photograph data storage means in which the photograph data showing the surface of the earth is stored. Sixth photo screen creating means for creating a photo screen showing the predetermined spot on the basis of the photo data relating to the photo data, and a photo screen showing the predetermined spot created by the sixth photo screen creating means. And a sixth photographic screen display means for displaying. 7. A seventh photographic screen creating means for creating a photographic screen based on the photographic data read out from the first photographic data storing means in which the photographic data of the earth's surface is stored, and the seventh photographic screen creating means. It exists in the area where the picture screen is read out, which is read from the seventh picture screen display means for displaying the picture screen created by the picture screen creating means and the detailed data storage means in which the detailed data regarding the predetermined spot is stored. A detailed information providing means for providing a user with detailed information on the spot based on detailed data on the spot. 8. The destination on the basis of the photographic data on the periphery of the destination read from the first photographic data storage means in which photographic data showing the surface of the earth is stored, based on the positional information of the destination. Eighth picture screen creating means for creating a picture screen showing the surroundings, and eighth picture screen displaying means for displaying the picture screen showing the surroundings of the destination created by the eighth picture screen creating means And a navigation device. 9. The eighth picture screen display means, when the user sets the destination, displays a picture screen showing the vicinity of the destination. Navigation device. 10. A second self-position determination means for determining whether or not the self has reached the vicinity of the destination based on the current position information of the self and the position information of the destination. If the second self-position determining means determines that the self has reached the vicinity of the destination, the eighth photographic screen display means displays a photographic screen showing the vicinity of the destination. The navigation device according to claim 8, which is characterized in that: 11. A first map screen creating means for creating a map screen based on the map data read out from the map data storing means in which the map data is stored, and the first map screen creating means. In a navigation device provided with a first map screen displaying means for displaying a map screen, a photographic screen is displayed based on the photographic data read from the first photographic data storing means in which photographic data of the surface of the earth is stored. A seventh photo screen creating means for creating; a display switch from the map screen to the photo screen and / or a display switch from the photo screen to the map screen; A navigation device, comprising: a third display switching unit that matches an area displayed on a screen. 12. Based on photographic data relating to the periphery of the current position of the self, which is read out from first photographic data storage means in which photographic data showing the surface of the earth is stored, based on the current position information of the self. Ninth picture screen creating means for creating a picture screen showing the vicinity of the current position of the self, and displaying a picture screen showing the vicinity of the current position of the self created by the ninth picture screen creating means. A navigation device comprising: a ninth photo screen display means; and a first current position display means showing the current position of the self on the photo screen based on the current position information of the self, which is map data. Second map screen creating means for creating a map screen based on the map data read out from the map data storing means in which is stored; On the other hand, the display area of the screen is reduced, while the display area of the map screen is enlarged, and the display is switched from the photograph screen to the map screen stepwise in accordance with the movement of the user. A navigation device comprising display switching means. 13. A photographic screen is displayed on the basis of photographic data read out from a fourth photographic data storage means, which stores photographic data photographed in two or more different states for the same area, on the basis of predetermined conditions. A navigation apparatus comprising: a tenth photo screen creating means for creating; and a tenth photo screen displaying means for displaying a photo screen created by the tenth photo screen creating means. 14. A first map screen creating means for creating a map screen based on the map data read out from the map data storing means storing the map data, and the first map screen creating means. In a navigation device provided with a first map screen displaying means for displaying a map screen, a photographic screen is displayed based on the photographic data read from the first photographic data storing means in which photographic data of the surface of the earth is stored. A multi-display for displaying the seventh photo screen creating means, the map screen created by the first map screen creating means, and the photo screen created by the seventh photo screen creating means on the same display screen. A navigation device comprising a screen display means. 15. A seventh photographic screen creating means for creating a photographic screen based on the photographic data read out from the first photographic data storing means in which photographic data showing the surface of the earth is stored, and the seventh photographic screen creating means. A seventh picture screen displaying means for displaying a picture screen created by the picture screen creating means, wherein the seventh picture screen creating means performs a predetermined image processing based on a predetermined condition. A navigation device, characterized in that it is for creating.