Method for automatically adjusting map complexion
An automatic adjustment and map technology, applied in photometry, measuring devices, instruments, etc., can solve problems such as inconvenience for users and inconvenience of manual setting, so as to save time, eliminate the inconvenience of manual setting, and automatically Adjust the effect of map skin color
Inactive Publication Date: 2009-09-23
HUANDA COMPUTER (SHANGHAI) CO LTD
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Problems solved by technology
[0002] At present, the map skin color of the navigation software loaded on the navigation display (PNA), navigation PDA and mobile phone with navigation function of the user on the electronic product market only has two kinds of map skin colors that can be switched during the day or at night according to the GPS time. The navigation software provides a variety of skin color modes for users to manually select and set according to their preferences. However, if the car is driving and the navigation software is navigating, it enters a tunnel from an ordinary road during the day, or the weather changes suddenly during the car driving. , the light is dimmed, then the driver of the car must rely on others or himself to stop the car to stop the navigation in order to switch the display mode of the map, and then restart after the setting is completed. This operation will make the user feel very uncomfortable. inconvenient
[0003] In addition, as the direction of the road changes, the direction of sunlight entering the car is also different. It is possible that on this road, the sunlight does not directly hit the screen, but on the next road, the sunlight directly hits the screen of the navigation device. must be very inconvenient
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[0019] see figure 1 , figure 1 A flowchart illustrating the method for automatically adjusting map skin color of the present invention.
[0020] In order to achieve the above object, a method for automatically adjusting map skin color of the present invention is used for a navigation device with navigation software, and the method includes the following steps:
[0021] In the map database of the navigation software, set up a map skin color color matching scheme and luminosity value correspondence table (step 201);
[0022] The light sensing sensor obtains the analog signal of the intensity of the external light and transmits it to the analog-to-digital converter (step 202);
[0023] The analog-to-digital converter converts the analog signal into a digital signal and sends it to the processor (step 203);
[0024] The processor saves the digital signal as a photometric value (step 204);
[0025] The underlying driver saves the luminosity value in the registry or encapsulates...
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The invention discloses a method for automatically adjusting map complexion, which is used for a navigation device provided with navigation software and comprises the following steps: establishing a correspondence table of a map complexion color scheme and a photometric value in a map database of the navigation software; acquiring an intensity analog signal of external light and transmitting the intensity analog signal to a digital-analog converter by an optical induction sensor; converting the analog signal into a digital signal and transmitting the digital signal to a processor by the digital-analog converter; storing the digital signal as a photometric value by the processor; storing the photometric value into a registry or packaging the photometric value into a user-defined message bya bottom layer drive; judging whether the navigation software is provided with automatic adjustment of the map complexion; if the judgment is 'yes', detecting the photometric value and finding out the map complexion color scheme used under the photometric value in the correspondence table of the map complexion color scheme and the photometric value by the navigation software; and using the detected map complexion color scheme corresponding to the photometric value to display a map on a display unit of the navigation device.
Description
【Technical field】 [0001] The invention relates to a method for automatically adjusting the skin color of a map, in particular to a method for automatically adjusting the skin color of a map by using a light sensor. 【Background technique】 [0002] At present, the map skin color of the navigation software loaded on the navigation display (PNA), navigation PDA and mobile phone with navigation function of the user on the electronic product market only has two kinds of map skin colors that can be switched during the day or at night according to the GPS time. The navigation software provides a variety of skin color modes for users to manually select and set according to their preferences. However, if the car is driving and the navigation software is navigating, it enters a tunnel from an ordinary road during the day, or the weather changes suddenly during the car driving. , the light is dimmed, then the driver of the car must rely on others or himself to stop the car to stop the n...
Claims
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IPC IPC(8): G01C21/36G01J1/00
Inventor 吴长敏
Owner HUANDA COMPUTER (SHANGHAI) CO LTD