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Area Question

Last Updated: Feb 27, 2018 10:24AM EST

Description 

 An area question expects a set boundary defined on a map.It can be used to define the exact location and the area of a land, such as a plot or parcel. This question type requires a specific tablet configuration, as explained below. 


Creating an Area question

In Questionnaire Designer, 

  1. Click on the Question Type text box.
  2. Select Area from the pop-up menu.

Distribute maps

Assign maps to interviewers

Map assignments, like all other assignments made on Headquarters, are part of survey setup.

To make assignments, follow these simple steps:

  • First, log into Headquarters.
  • Then, upload maps to the server. Click on UPLOAD .ZIP FILE. Select a zip archive containing one or more maps (.tpk)
  • Next, assign maps to users. Click on the Update user-to-map linking. Upload a tab-delimited file that assigns one or more maps to users. 

For any given map, the survey manager may preview the map on Headquarters, and see the users to whom it is assigned

 

Setting up the tablet

The area question requires 1) the Interviewer application with ESRI map support, and 2) synchronize under the maps menu to receive the assigned maps. 

1) When downloading the Interviewer application on the tablet, uncheck the Exclude ESRI Map support check box. Then, follow all the steps outlined in this article. 


2) Synchronize to receive maps on tablets

Map assignments, like all other interviewer assignments, must be downloaded via synchronization. Because map assignments are special (and may contain very large files), their synchronization has a special screen and special process that is separate from typical synchronization.

To download assigned maps, follow these steps:

  • Open the Interviewer application
  • Navigate to the map synchronization screen. From the Interviewer dashboard, tap on the overflow menu. Then, select maps. From the maps screen, tap on the sync button.
  • Wait for maps to download. Because map files may be quite large, it is strongly advised that map synchronization be done in the head office before deployment to the field.

How an area question works on a tablet 

To answer a area question, the enumerator taps on the Tap to record area button. 

Select a Map
If more than one map has been uploaded to the tablet, the enumerator should select a map first. Tap on the button in the upper right corner, as shown below. Then, select a map from the list and close the window. 



Select an Area

The enumerator must select an area by pressing on the map for each dot that represent the coordinates of the area to appear. You can edit the shape by adding more coordinates or moving the existing dots/area. Once complete tap on Save.



The area and length will appear.  



Edit shape
Tap To edit area button to revise the selected map.You can edit the shape by adding more coordinates or moving the existing dots/area. Once complete tap on Save.

Export 

The area question is exported in 1 column in a tab-delimited file. The coordinates of each point selected on the map are separated by a semicolon. The name of the exported variable is the question’s variable name that was defined in the Questionnaire Designer. 

Answered area question with 3 points exported in tab-delimited file

 
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