Procedural Landscape Ecosystem for UE4
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Very impressive article Jake! You are very talented.

Procedural Landscape Ecosystem for UE4
7 August, 2017
News

Here comes something unreal. Environment/Terran artist Gökhan Karadayı has presented his Procedural Landscape Ecosystem for UE4 that is capable of great things. The project uses more than 5,000 photos to create entire ecosystems on 16km2 landscape.

This ecosystem is based on the “temperate broadleaf forest” biomes. The forest density is made up of pine trees and birch trees. All ecosystem is Real-Time Procedural Placement on landscape. In just 2 minutes, the entire ecosystem is created on 16km2 landscape. I has gone to 3 locations a and took a lot of references. I took more than 5,000 photos from these locations for vegetation and photogrammetry.I made 9 pine trees, 7 birch trees, 29 grasses, 6 flowers, 10 ferns, 14 ground covers, 8 bushes, 27 big rocks, 12 small rocks, 5 mossy forest rocks, 7 birch branches and 10 wood logs. I used Reality Capture for photogrammetry.

Gökhan Karadayı 

Overview

He visited 3 locations and took more than 5,000 photos from these locations for vegetation and photogrammetry.

This ecosystem is based on the “temperate broadleaf forest” biomes. The forest density is made up of pine trees and birch trees. Depending on your needs, you can create only pine forests, only birch forests, or mixed forests.
 

In just 2 minutes, the entire ecosystem is created on 16km2 landscape.

 The artist made 10 vegetation maps based on actual plant distributions. In this way, realistic results can be achieved easily and quickly.

Pine forest samples.

Pine forest samples.

Birch forest samples.

Meadow samples.

Photogrammetry results: 

Dense point cloud :100.000.000 point 
Texture : 16.384 px 
Mesh: 32.000.000 poly

 
 
 

 

 

Texture samples:

 

Depending on the slope of the landscape, cliff and rocks are created automatically. 

35 degrees slope: Small rocks 
55 degrees slope: Cliff

Smoother transitions with terrain blending.

Dynamic Snow Material:

3 LODs for the trees. The last LOD is billboard.

The artist is planning to release the thing on UE Marketplace, so stay tuned for the updates. 

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