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--- manual:user_guide:maps_tools:calibrator [2015/02/06 08:44] – mstupka
+++ manual:user_guide:maps_tools:calibrator [2022/04/07 13:49] (current) – mstupka
@@ Line 1: / Line 1: @@
-====== On-board Map Calibrator ======
+{{ :manual:user_guide:ic_on_board_calibration_alt.png?nolink|}}====== Image map calibration ======
 ----
 ===== About =====
-On-board calibrator enables calibrating an image and placing it over the map. For example when you go to the ZOO or a park simply take a picture of its detailed plan displayed on a board at the entrance. After that you can calibrate the photo according to your background map a use it for your further navigation.
+This feature enables calibrating of an image of map and placing it over a background map. For example when you go to the ZOO or a park simply take a picture of its detailed plan displayed on a board at the entrance. After that you can calibrate the photo according to your background map and use it for your further navigation.
 ===== 1. Get a map picture =====
-  * **take a photo** with you phone camera - the more quality camera, the better
+  * open the function in <wrap box>Menu > More functions > On-board Map Calibrator</wrap>, a dialog appears
-  * or **copy the image** from your PC/scanner/internet or a DSLR camera to your Dropbox or the phone photo folder (DCIM) and select it
+  * tap **Take** to take a photo with you phone camera - the more quality camera, the better
+  * or **Select** to choose the photo from your device memory, from Dropbox etc.
+<WRAP round tip >
+We recommend to **copy the image** from your PC/scanner/internet or a DSLR camera to your Dropbox or the phone memory before selecting it to get better results
+</WRAP>
 ===== 2. Calibrate the map picture =====
-  * tap //Add// and choose a **distinct point** (a hill summit, crossroads etc.) on your picture
+  * tap //Add// and choose a **distinct point** (a hill summit, crossroads etc.) on your picture\\ {{ :manual:user_guide:maps_tools:calibr2.png?nolink |}}
-  * tap ......... in //Map coordinates menu// and choose **the same point** on your background map
+  * tap {{:manual:user_guide:ic_map_alt.png?nolink&30|}} in //Map coordinates menu// and choose **the same point** on your background map\\ {{ :manual:user_guide:maps_tools:calibr3.png?nolink |}}
-  * repeat this procedure **4 times** - try to select points making a square. You can edit their positions by tapping ...... or remove them.
+  * repeat this procedure **4 times** - try to select points making a rectangle. You can edit their positions by tapping {{:manual:user_guide:ic_edit_alt.png?nolink&30|}} or remove them.\\ {{ :manual:user_guide:maps_tools:calibr.png?nolink |}}
 ===== 3. Generate your calibrated map =====
-  * when you are ready with your four points the status line **turns green** and the //Compute// button activates
+  * when you are ready with your four points the status line **turns green** and the //Create// button activates\\ {{ :manual:user_guide:maps_tools:calibr4.png?nolink |}}
-  * calibration points overview appears - indicates their **deviation**. When it is not large you can name the new map and proceed to its generation
+  * calibration points overview appears - indicates their **deviation**.\\ {{ :manual:user_guide:maps_tools:calibr5.png?nolink |}}\\ When it is not too significant you can name the new map and proceed to its rendering
-<WRAP round tip >If you have chosen a huge picture, it is highly recommended to divide the map image into many small maps (tiles) bundled into one file.
+<WRAP round tip >If you have chosen a big image it is highly recommended to check **Optimize map** to divide the map image into many small maps (tiles) bundled into one file.
 </WRAP>
+==== Save the calibration configuration for later use ====
+If you have **more map images of the same size and scale** to calibrate you can use one configuration for calibrating them all:
+  - calibrate the first image
+  - **save the calibration configuration**:\\ {{ :manual:user_guide:maps_tools:calibr11.png?nolink |}}
+  - open the next image
+  - calibrate
+  - repeat ad hoc.
 ===== 4. Use the calibrated map =====
-Your calibrated map appears now as an **overlay** and can be (de)selected in **Data manager > Items**
+Your calibrated map appears now as an **overlay**\\ {{ :manual:user_guide:maps_tools:calibr6.png?nolink |}}\\ and can be managed in **[[manual:user_guide:items:management|Map Items]]** box or in the [[manual:user_guide:mainscr_lpanel#active_items|left panel Active items]] tab.\\ {{ :manual:user_guide:maps_tools:calibr7.png?nolink |}}
+You can change opacity of the calibrated map by selecting it and moving the opacity slider:\\ {{ :manual:user_guide:maps_tools:calibr10.png?nolink |}}\\ {{ :manual:user_guide:maps_tools:calibr9.png?nolink |}}

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