Defect description:
The User can create nodes outside the visible simulation window by extending an edge from an already created node
Steps to reproduce the issue:
List of Experiments
Shortest Paths in Graphs
Simulation
Create a node
Click on the node and drag the cursor outside the simulation window
Expected result:
The user should not be able to create nodes beyond the visible window
Actual result:
The User can create nodes beyond the visible window
Screenshot:
(Here nodes 1,3 and 4 are outside the visible window)
Defect description: The User can create nodes outside the visible simulation window by extending an edge from an already created node
Steps to reproduce the issue: List of Experiments Shortest Paths in Graphs Simulation Create a node Click on the node and drag the cursor outside the simulation window
Expected result: The user should not be able to create nodes beyond the visible window
Actual result: The User can create nodes beyond the visible window
Screenshot: (Here nodes 1,3 and 4 are outside the visible window)![bug24](https://user-images.githubusercontent.com/43748830/54490277-77b60a00-48da-11e9-89b5-a9c89bde9887.png)