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Heightmap Calculations

In order to start properly with the terrain , we must cover a few settings must be covered within the New Level panel that define the heightmap resolution of the terrain and the Meters Per Unit. This You can be mathematically calculated calculate this in space by using simple arithmetics arithmetic such as the following:

  • (128x128) x 2m = 256x256m
  • (1024x1024) x 2m = 2048x2048m

The heightmap resolution depends on a black and white image that has a neutral point of grey for the flattest plane. Users To put it into terms that are understandable with size: you could easily relate 1 single pixel on the image to be a 1 meter block of the your actual terrain. Generally speaking , you want to be careful with these values should be carefully set since if the you scale is too large with a low heightmap resolution , it would hinder the ability to sculpt a realistic too low, you will lose fidelity to really sculpt believable terrain.

How to Create and Calibrate Your Terrain

The Follow the steps below should be followed to create a your default terrain:

  1. Go to File -> New to define a name and location for the new level. Then, on the New Level panel, set the Heightmap Resolution to 1024x1024 and Meters per Unit to 1m.
    For the terrain texture, Level in order to begin setting up our heightmap resolution and then set our size to 1024x1024 at 1m units for a 1km map.
    For our terrain texture we will set this to 4km. This represents the overlay texture for distance textures and coloring. This is why the Terrain Color Multiplier is included in the selections beside the texture size.
  2. There are We have multiple options to remove or hide the terrain to save from the performance; our terrain for performance savings given it has such a large memory footprint within the our scene.
    FirstFirstly, in the Level Explorer the terrain can be hidden or removed Explorer you have the ability to hide or remove the terrain completely by deleting it. Hiding can be done by clicking the Eye and deletion can be done using the Delete key.
  3. The final option to hide the terrain is to choose can be found under Viewport -> Display Settings -> RenderTypes -> Terrain. Uncheck this box to hide the terrain. 
Info

Keep in mind note that each time you restart the Editor you will have to check click this box again.

Steps 1 and 2

 

 

Step 2

 

 

Step 3