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The image of the map and polygon will now be saved to the image capture question when the form is submitted.
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Saving Coordinates
In order to capture the coordinates of the polygon, follow the steps below.
Add an extra to the Area Calculator question with key: coordinates and value: 'true'
Add a hidden value to the form to save the coordinates in
Add a key/value pair to the Response section of the Area Calculator question, with key: coordinates and value: drag and drop the hidden value created in step 2 above
The coordinates of the polygon will now be saved to the hidden value as a string of lat/lng doubles when the form is submitted.
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The Area Mapper tool in CommCare is designed to measure the surface area of a region by creating a polygon around the surveyed area. However, it's important to note that this tool measures the 'planar' or 'flat' area enclosed by the polygon, not the actual surface area of a sloped or uneven terrain. The tool is most accurate when used on level ground. |