draw a $1.$Use Case Diagrams

$2.$Sequence Diagrams

$3.$Communication Diagrams $4.$ Activity Diagrams Use Case $1$: Create a Room

Primary Actor: Homeowner $/$ User

Preconditions: A project has been created to hold the room data.

Description: As a homeowner I want to be able to create a box$-$shaped room in

my house project. I want the room to include a floor and four walls. I want to be able

to set the width, length, thickness, and height of the floor and each of the four walls

on creation.Use Case $2$: Place a Window

Primary Actor: Homeowner $/$ User

Preconditions: A project has been created to hold the room data and a room has

been created with at least one wall.

Description: As a homeowner I want to be able to be able to place a window in

a wall. I should be able to click and drag a window object into a wall at any position

in the wall. I should be able to set the width, length, and thickness of the

window.

Acceptance Criteria: I can add a window to a wall in my room at my specified

position and with my specified dimensions.

Use Case $3$: Place a Doorway

Primary Actor: Homeowner $/$ User

Preconditions: A project has been created to hold the room data and a room has

been created with at least one wall.

Description: As a homeowner I want to be able to be able to place a door in a

wall. I should be able to click and drag a door object into a wall at any position in the

wall. I should be able to set the width, length, and thickness of the door.

Acceptance Criteria: I can add a door to a wall in my room at my specified

position and with my specified dimensions.