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en:help:v2:elevations [2018/12/07 17:44] – alpinequest | en:help:v2:elevations [2018/12/19 18:08] – alpinequest |
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====== Digital Elevation Model (DEM) ====== | ====== Digital Elevation Model (DEM) ====== |
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The application is able to download and store elevation values of remote locations and let you use them in various ways, even while being offline. | This feature allows the application to download and store elevation values of remote locations and let you use them in various ways, even while being offline. |
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Those elevations come from various sources including the SRTMGL1(v3) database and are currently available between latitude 56°S and 60°N with a precision of 1″ (1 arc-second). | Those elevations come from various sources including the SRTMGL1(v3) database and are currently available between latitude 56°S and 60°N with a precision of 1″ (1 arc-second). |
Be sure to also check ''"**Auto download elevation data**"'' {{:icon_06.png?nolink}} so the application automatically downloads needed areas from our servers. If you want to use your own elevation data (see below), then un-check this option. | Be sure to also check ''"**Auto download elevation data**"'' {{:icon_06.png?nolink}} so the application automatically downloads needed areas from our servers. If you want to use your own elevation data (see below), then un-check this option. |
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Close the maps explorer by tapping on {{:icon_07.png?nolink}}. As you move the map, the elevation of the screen center point {{:icon_08.png?nolink}} is given along with its coordinates. | Close the maps explorer by tapping on {{:icon_07.png?nolink}}. As you move the map, the elevation of the screen center point {{:icon_08.png?nolink}} is given along with its coordinates. If the [[en:help:v2:settings:locations-and-grids#how_to_display_or_hide_the_screen_center_coordinates|screen center coordinates]] are not displayed, the elevation on the center point will be displayed alone {{:icon_08.png?nolink}}. |
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{{:icon_help.png?nolink}} Be sure to have the [[en:help:v2:settings:locations-and-grids#how_to_display_or_hide_the_screen_center_coordinates|screen center coordinates displayed]]. | If you want to check the coverage of stored elevation values, you can display the ''"**Elevation data coverage**"'' {{:icon_10.png?nolink}} layer by tapping it. Stored areas will be displayed {{:icon_11.png?nolink}} over the current map. |
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If you want to check the coverage of stored elevation values, you can display the ''"**Elevation data coverage**"'' {{:icon_09.png?nolink}} layer by tapping it. Stored areas will be displayed {{:icon_10.png?nolink}} over the current map. | |
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{{ :en:help:v2:maps:elevations-use.jpg?nolink }} | {{ :en:help:v2:maps:elevations-use.jpg?nolink }} |
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If you have troubles downloading areas of elevation values, you can check that: | If you have troubles downloading elevation values, check that: |
* Your Internet connection is active; | * Your Internet connection is active; |
* The option ''"**Auto download elevation data**"'' is checked (you can also access it directly from the ''"**Maps**"'' menu, in the ''"**Options**"'' section); | * The option ''"**Auto download elevation data**"'' is checked (you can also access it directly from the ''"**Maps**"'' menu, in the ''"**Options**"'' section); |
* Select ''"**Details**"'' {{:icon_03.png?nolink}} and check the ''"**Statistics**"'' {{:icon_04.png?nolink}} part. | * Select ''"**Details**"'' {{:icon_03.png?nolink}} and check the ''"**Statistics**"'' {{:icon_04.png?nolink}} part. |
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{{ :en:help:v2:landmarks:auto-routing-4.jpg?nolink }} | {{ :en:help:v2:maps:elevations-profile.jpg?nolink }} |
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In order to delete the elevation data stored on your device: | In order to delete the elevation data stored on your device: |
* Tap on the "''**Elevation data coverage**''" menu icon {{:icon_01.png?nolink}}; | * Tap on the "''**Elevation data coverage**''" menu icon {{:icon_01.png?nolink}}; |
* Select "''**Clear data**''" {{:icon_03.png?nolink}}; | * Select "''**Clear data**''" {{:icon_04.png?nolink}}; |
* Tap "''**Ok**''" {{:icon_04.png?nolink}} to confirm; | * Tap "''**Ok**''" {{:icon_05.png?nolink}} to confirm; |
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Independently, you can delete the data used by maps and layers generated from the stored elevation data. To do so, select the menu icon {{:icon_02.png?nolink}} of the map you want to delete the data. | In addition, you can delete the data used by maps and layers generated from the stored elevation data. To do so, use the menu {{:icon_02.png?nolink}} of the map you want to delete the data, or the group menu {{:icon_03.png?nolink}} if you want to delete the data of all maps. |
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{{ :en:help:v2:maps:elevations-clear.jpg?nolink }} | {{ :en:help:v2:maps:elevations-clear.jpg?nolink }} |