Making a new climate definition for L3DT, or even modifying one of the existing climates, has historically been one of the more gruelling tasks a user of L3DT could undertake. L3DT release 2.4 adds a new climate editor interface, which simplifies this process greatly. This tutorial will expalin how this interface can be used to generate a climate.

However, before we start I would strongly recommend readers to generate a test-map for their climate, and consistently use this map when testing and modifying the climate. Tweaking the variables in a climate to be 'just so' can be quite a complex process, and it really helps if you keep everything else constant (i.e. the map). I would also recommend that your test map be fairly small (eg. 8×8 design map), as this will save you a whole lotta time.

In this tutorial I'll be using the 'fjord' map, as seen in the designing a fjord tutorial. Just to refresh your memory, this is what it looked like:

My intention is to make an all-in-one climate for the fjord, whereas previously I had used two climates ('temperate' and 'arctic') to get the desired grass/snow/rock mix.

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