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I made a landscape using ANT landscape add-on. Here's what I have:enter image description here

What I want to do is to flatten out the middle part, to render sth like a valley. Specifically, the area that I circled below: enter image description here

How do I go about doing this? (btw I don't necessarily have to use ANT landscape).

EDIT: If I use S+Z+0, I get this: enter image description here where vertices are not at z=0, instead just levels the vertices I've selected. How can I set vertices to 0?

EDIT2: I tried setting the z values to 0 for the selected vertices. As yo can see they are stretched equally but are not at z=0. In fact, the top right panel seems to set the 'median' of the vertices, not individual vertices... How do I set them to 0 using to transform tool? enter image description here

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    $\begingroup$ Sculpting would be the second option. You could go into "sculpt mode" and use the "smooth" brush on that area. $\endgroup$ – Robert Roth Aug 13 '19 at 11:35
  • $\begingroup$ @moonboots I'm sorry but I'm new to blender and I tried S+Z+0 in edit mode but it didn't place vertex at 0. How exactly do I set vertex z location to 0? $\endgroup$ – MoneyBall Aug 13 '19 at 12:47
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    $\begingroup$ sorry I meant select a vertex on the centre of the area that you want to make flat, enable the proportional editing option (play with the mouse wheel to increase or decrease the influence zone), then S+Z+ drag the cursor to flatten $\endgroup$ – moonboots Aug 13 '19 at 13:32
  • $\begingroup$ is there a way i can set them to 0? $\endgroup$ – MoneyBall Aug 13 '19 at 13:42
  • $\begingroup$ Make sure you are using the pivot point you intended before you scale. But after they are all flat (and before you change the selection mode--this works correctly only for Cursor pivot in this context if you are using proportional editting), press the N key to bring up the Info panel and change the Z coordinate value to "0". $\endgroup$ – hatinacat2000 Aug 13 '19 at 20:08
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Select the vertices you want to be leveled, set 3D cursor to world origin, change pivot point to 3D cursor, S+Z+0. Don't forget to reset pivot point, or other things could go wrong. Hope this helps :)

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  • $\begingroup$ I second this but will add that if you want a smooth falloff, use soft-selection or vertex/weight painting. You can also set the pivot to Median instead of Cursor, scale to zero, and translate all the points to the desired plane. $\endgroup$ – hatinacat2000 Aug 13 '19 at 20:04
  • $\begingroup$ How do I change the pivot point to 3d cursor? I'm using blender 2.8. Is it in layout mode? $\endgroup$ – MoneyBall Aug 14 '19 at 0:29
  • $\begingroup$ S+Z+0, and then setting the median to 0 worked. $\endgroup$ – MoneyBall Aug 14 '19 at 14:26
  • $\begingroup$ @MoneyBall It's in the top middle of the viewport. $\endgroup$ – Corbomite Aug 14 '19 at 21:13

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