To aid in the development of path integration into the model, a separate NetLogo model file was created. Alongside the diagrams and maths presented by the project supervisor last week, a visit to the Khan Academy website and their presentation of 2D linear transformations went a long way to clarifying the approach to be taken…
Attempting to implement improved versions of the snapshot system alongside path integration has caused confusion in the code, as well as tied my mind into knots, preventing development of rotation of a target scene. However, this rotation is not in keeping with studies into insect navigation, so is perhaps best left out of the project.…
The past week has been primarily focussed around re-factoring existing code and adding some new code in the NetLogo simulation file, including: Changing how the random walk operates to use the previous angle as part of calculating the next angle change. Removed the need to keep passing the scene table and to use a single…
With the need for an agent to remember key scenes in the environment for navigation, recent work has consisted of implementing a means of identifying and handling goals and including them within snapshots taken. These goals are only added to the snapshot if the current location contains the goal reward, giving the snapshot a reward rating.…
Extending prototype development, the agent was made to invert its direction when it reached the other side of the environment, leading to some further issues with the presentation of the landmark distance and motion plots due to the way in which the heading calculations were performed. Also, work began on the development of a very…
Work began last week on the first prototype to identify landmark distance and motion from an egocentric perspective of a single bug, using the simulation software NetLogo v5.0.5. I tried as much as possible to avoid using built-in functions as I will not be able to do this when it comes to implementing the code…
My activities this week have been primarily focussed on continuing the insect navigation research to see if I can pin down some core principles, though some research into the available simulation tools has also been undertaken, to determine an appropriate environment to use. The key issues arising from the research appear to be that navigation…
As expected, the first meeting with my project supervisor highlighted that I had outlined a project more suitable for a PhD student and that I would need to refine things a bit for an undergraduate project. After a discussion, we agreed that I would look at what the fewest number of landmarks required for navigation…
