⛄LOD0

The specifications below detail the file guidelines for creating 3D content for Upland's Super-App.

The LODs meshes are a simplified version of the NFT original one. We suggest to retopology your original design and project all the intricate details into the new mesh. We also recommend completing at first your LOD 0 before building any of 1 and 2 since you just can downgrade it to make it match the other LOD versions.

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Specifications

  • File type: GLTF

  • File size: < 2MB (Should be as small as possible)

  • Triangles: < 12,500 max (Should be as small as possible)

  • Texture: 1024x1024 max size

  • Image Texture: Emissive (not shader allowed)

Characteristics

  • Transform Y Up

  • Mesh should include tangents, normals, UVs

  • Compression level: 6

Objects

  • No Light objects

  • No Camera objects

  • No Empty objects

  • No Animation objects

Positioning

  • Origin: [0, 0, 0]

  • Scale: [1, 1, 1]

  • Rotation: [0, 0, 0]

  • Max X Offset (width): 0.01

  • Max Y Offset (height): 0.01

  • Max Z Offset (length): 0.01

Materials

  • Besides the 4 mandatory materials from structures you should include one extra for the ornament (5 total)

  • Roof labeled ‘primary’ (Should be white with Ambient Occlusion)

  • Walls labeled ‘secondary’(Should be white with Ambient Occlusion)

  • Details labeled ‘details’(Should be white with Ambient Occlusion)

  • Other labeled ‘other’’ (Should be texturized or colored)

  • Ambient Occlusion must be baked in the main material

  • Material Alpha (opacity): 1.0

  • No duplicated materials

  • Texture format: JPEG

  • Texture map must be baked

UV Maps

  • Do not leave unused areas

  • Avoid stretched images

  • If the model is symmetrical or has any repeated mesh or shape, these should be overlapped

  • Include a 10px bleed for the UV islands

  • Any UV island with flat colors/textures should be overlapped

  • Keep UV island size relatively scale according to the actual size of the area

  • Avoid any stretched or curved sections for cylindrical shapes UV map

Size

  • Maximum Width should not be wider than the Structure's Upland footprint

  • Maximum Length should not be wider than the Structure's Upland footprint

  • Maximum Height 120 meters

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