|1) Manual selection:
||The user clicks on the desired cells, selects their state, and inhabitants, and confirm the selection one by one.
|2) Random fill:
||The user fills in a real field asking the probability of the inhabited state, selects the species, and confirms his/her selection.
|3) Periodic pattern:
- The user selects a species.
- The user fills in the coordinates of the center,
- gives the coordinates of two translation vectors,
- from and to indexes of the repetition of the translation,
- from, to and step indexes of the neighbor zones around the translated point.
- He/she finally confirm the above parameters.
- These parameters may be saved for future usage.