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en:help:v2:maps:file-based-calibrate [2019/10/17 14:23] – alpinequest | en:help:v2:maps:file-based-calibrate [2019/10/17 14:53] – alpinequest | ||
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====== How to calibrate an image to use it as a map? ====== | ====== How to calibrate an image to use it as a map? ====== | ||
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- | The application allows you to use regular images as maps. | + | The application allows you to use regular images as maps. In order to correctly locate items on this map (points, tracks, etc.), the application must know what is the exact area covered, this is done by the calibration process: after displaying the image, you must match 4 points with another existing and correct map. This process is done only one time, then the image is imported as a regular map file. |
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+ | The supported image formats are: JPEG, PNG, BMP< | ||
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+ | To calibrate an image: | ||
* Select a base map over which one you'll calibrate your image. The application will display the imported image so that it almost covers the current view (as displayed by the white dotted line {{: | * Select a base map over which one you'll calibrate your image. The application will display the imported image so that it almost covers the current view (as displayed by the white dotted line {{: | ||
* Tap the ''" | * Tap the ''" |