標高表示アプリ（高度計）

It is an application that calculates and displays altitude (altitude) based on the coordinates of the current position

It is an application that displays altitude (altitude) based on the coordinates of the current position acquired by GPS of a smartphone or the like.

When the app is started for the first time, it may take a few minutes to start because the process of saving the geoid model to the device occurs.

(Because the processing time varies depending on the terminal, please be careful when starting for the first time.)

It corresponds to the geoid model (Gsigeo2011) published by the Geospatial Information Authority of Japan.

It can be used throughout Japan, but it cannot be used if it is outside the Geographical Geographic Model range of the Geographical Survey Institute.

What is the Geoid model? Please refer to the websites below for details.

https://www.gsi.go.jp/buturisokuchi/grageo_geoidseika.html

Just launch the app and bring the terminal to the point where you want to know the altitude, and the altitude will be displayed.

The altitude displayed is the altitude of the position of the GPS antenna (the position of the device if the device has a built-in GPS).

(Example: If you want to know the altitude of the ground, you need to bring it as close as possible to the ground)

Since the measurement accuracy depends on the GPS accuracy of the device, etc., please be careful when using it to see if it is suitable for your purpose.

(It seems that there are some models whose height cannot be measured with the built-in GPS such as smartphones)

* With this app, even if you can not get the height on the terminal side,

You can display the geoid height at that point from the latitude and longitude.

* Can be used in an offline environment.

(Map display may not be available when offline.)