Edges vs Faces in lightweight models

Technical Problems
1

Hi again guys

Trying to understand the basics of sketchup.

I’ve been trying to keep the poly count low by minimising faces so the computer has less work to do when I manipulate them. Is it all about the faces, or are numbers of edges important too?

In this model of a sweet potato plant ([Sweet Potato | 3D Warehouse], I have a very low face count, but a high edge count due to the lines representing the plant stem.

I plan to have up to 1000 similar plants in a model. Does a high edge count slow down a model, similarly like a high face count i.e. polygons?

Thanks

2

Ofcourse edges count. In which way edges weigh havier than faces or the other way around, I wouldn’t know. Look at It this way, when you orbit all edges and faces need to be recalculated. Just as an example.

3

Set up a few example models of your own, say:

  • with lots of triangles (3 edges and 1 face)
  • with an equal amount of polygon shapes (say 20 edges each bounding 1 face)

Compare file size and the way SketchUp handles each model with orbit, pan, editing, etc.

4

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