Hi Occasional JOSM user.

I want to drag a corner of a polygon and snap it to the midpoints of either lines or rectangular polygons. I can snap to end/corner points using the Crtl button, but I am unable with midpoints.

I'm aware I can drag a midpoint to create new lines & an end point but that can alter the orthogonality of the polygons.

Is there a direct way to snap to midpoints?

asked 16 Feb '18, 13:34

DaveF's gravatar image

accept rate: 5%

What exactly do you mean by "midpoint"?

(16 Feb '18, 16:09) Hjart

Unsure how to reply to that.

(16 Feb '18, 16:59) DaveF

Can you link to such a polygon or create a screenshot to illustrate exactly what you want to do?

(16 Feb '18, 18:15) Hjart

I assume that by "midpoint" you mean the point on the half distance between two neighbouring nodes of a way which is symbolised by a "+" in JOSM.

I know no direct way to do that. I often zoom in very much to the "+" and then insert a new node into the way at approximately that position. Afterwards I can use it as a snap target or tag it (e.g. a building entrance).

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answered 16 Feb '18, 23:09

aseerel4c26's gravatar image

aseerel4c26 ♦
accept rate: 18%

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question asked: 16 Feb '18, 13:34

question was seen: 1,040 times

last updated: 16 Feb '18, 23:09

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