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I am trying to create some low poly mountains.

enter image description here

My issue concerns the pine trees, which I have added to make my lake look bigger. I have used the Properties panel > Particles tab > Vertex Groups dropdown > Length: setting to control the length of the trees (Hair particles), for added depth.

My Weight Painting for the Length: setting:

enter image description here

I like the transition, but I'm wondering if it's possible to increase the intensity (i.e. lesser values become less, greater values become greater) to increase the contrast of the sizes between the trees in the foreground and background.

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  • $\begingroup$ Is that using several PS can be a solution? $\endgroup$ – lemon Sep 27 '16 at 9:33
  • $\begingroup$ @lemon Fair point. That would work. If no one can come up with a way to increase the intensity, I'll do that. Thanks! $\endgroup$ – Shady Puck Sep 27 '16 at 11:26
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If you go into weight paint mode with vertex select mask selected...

enter image description here

...and selected all your vertices, you can use the smooth button which works both ways.

enter image description here

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  • $\begingroup$ Interesting idea, but this does not answer my question. This averages/increases the weight. I'm hoping for something that makes the high's higher and the low's lower. And perhaps not just to 1.0 and 0.0 weights, but to like 5 and -4, for example. Stark contrast! $\endgroup$ – Shady Puck Sep 26 '16 at 20:55
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    $\begingroup$ "No weight will ever be set to values above 1.0 or below 0.0 regardless of the settings." Blender Manual. I understood that you wanted more contrast which is possible. $\endgroup$ – Patdog Sep 27 '16 at 18:28

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