Slide 1 - Build Terrain By Hand

This exercise teaches you how to build a simple georeferenced mesh.

Preparation Work

This instruction set contains preparation instruction.

  1. Start Scenome.

Build The Mesh

This instruction set teaches you about meshes and modifiers.

  1. Examine the hierarchy: This is a picture of the hierarchy.
  2. Right click over the group node named Scene and select Create » Group from the listed options.
  3. Right click over the group node named NewGroupNode and select Create » Material from the listed options.
  4. Left click the small + to the left of NewGroupNode.
  5. This group and material serve as the local palette for the mesh.
  6. Examine the hierarchy: This is a picture of the hierarchy.
  7. Right click over the group node named Scene and select Create » Mesh from the listed options.
  8. Right click over the mesh node named NewMeshNode and select RectangleGeometryModifier from the listed options.
  9. Left click the small + to the left of NewMeshNode.
  10. Hold down CTRL and left click the group node named NewGroupnode.
  11. Right click and select Connect Nodes Directly from the listed options.
  12. This links the mesh and palette group.
  13. Left click RectangleGeometryModifier.
  14. Hold down CTRL and left click the material node named NewMaterialNode.
  15. Right click and select Connect Nodes Directly from the listed options.
  16. This links the modifier to its material.
  17. Examine the hierarchy: This is a picture of the hierarchy.
    This is a mesh and a RectangleGeometryModifier. The RectangleGeometryModifier exists in world coordinate space and has no real relationship to any part of the Earth.
  18. Choose Select » Deselect All from the main menu.
  19. Double click the RectangleGeometryModifier.
  20. This displays modifier properties in the property editor.
  21. Set Minimum X to -107.
  22. Set Minimum Y to 44.
  23. Set Maximum X to -106.
  24. Set Maximum Y to 45.
    Now this mesh extends across values in world coordinates that correspond to values in the real world. This mesh covers 1 degree square, between -107 to -106 degrees longitude and 44 to 45 degrees latitude. However the mesh still exists in world coordinates. Where in the world is this?