Use Cases

The following are the three primary use cases expected for this app. The customer requests that lead to each are provided after the use cases.

Use Case 1: Keep a visual log

1. customer notices a skin condition
2. customer opens app
3. customer takes photo
4. customer adds the photo to an existing condition OR

5.  customer makes a new condition and adds the photo to it
   

From: As a user, I want to keep a visual log of any skin conditions I might . The purpose could be to gather a personal history of a medical condition as to provide evidence to a physician.

Use Case 2: further pictures of the same location

1. customer wants to take a further picture of a condition, some time later
2. customer opens the app
3. customer takes a new photo of an old condition
4. customer chooses to add the photo to a condition

5.  customer compares this photo to others of the same condition
   

From: As a user, I want pictures I take to be stored so that I may recall them and view them later. As a user, I want all pictures I take to be timestamped so that I can measure the time between photos and know when an event occurred.

As a user if I have an organizational tag or group, I want to be able to add photos to that group so that I can further track the progression of something relevant to that group.

As a user, I want some method of helping me take consistent photos, so that when I show the doctor any progression such as the growth of a mole is evident.

As a user, I should be able to retake photos I am taking, if I fail to take the photo I want to correct, so that I don't have erroneous photos.

Use Case 3:  Customer wants to look over photos, and compare them to eachother

1. Customer opens app
2. customer selects a condition to view
3. customer can move through the gallery of photos
4. customer can compare this photo to others from the condition
5. app displays two photos, each half of the screen.

From: As a user, I want pictures I take to be stored so that I may recall them and view them later.

As a user, I should be able to compare pictures in some manner, so that I can personally inspect them for differences.

As a user, I want pictures I take to be stored so that I may recall them and view them later.

   Use Case 4: Customer's phone is accessed by another user

1. Other person takes phone, opens app
2. He tries to open the app
3. Access is blocked unless he knows the password

From: As a user, I'd like my information secured in case someone takes my phone

    Use Case 5: the memory from the phone is taken and searched for pictures

1. Other person gains access to the phone and is blocked, or gains access to the memory on the phone
2. He tries to take the pictures off the memory
3. He receives the encrypted photos, which won't be read properly by any image viewer