Hamina Attenuation Object Editor

Hamina Attenuation Object Editor

Zones 0

Types 0

Extents —

Paste a Hamina Attenuation Object below. Select zones on the drawing, then move, rotate, scale or mirror them, edit what each zone type is made of, and copy the result back out. Everything runs in your browser — nothing is uploaded and nothing is stored.

Inspired by Joel Crane’s Hamina clipboard tool, which came first and also handles whole-canvas rotation, bulk zone-type conversion, and circle and grid generation.

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Click a zone to select it. Shift-click to add, drag a box on empty space to select several, drag a selected zone to move it. Hold Space to pan.

Zone types

Every type in this object.

Colour	Zone type	Bottom	Top	dB/m	Zones

Editing a type changes every zone using it.

Selection

Nothing selected

Width m Depth m

Type a size in metres and press Enter to scale to it.

Rotate

↺ Anticlockwise

↻ Clockwise

About the origin instead of the selection centre

Move

Along X m Along Y m

Or drag on the drawing. Arrow keys nudge 10 mm, with Shift 100 mm and with Alt 1 mm.

Scale

Scales about the selection centre. To hit an exact size instead, type it into Width or Depth above.

Mirror

Winding is reversed for you, so mirrored zones stay counter-clockwise.

Tidy

Copy out

A fresh document id is minted on every copy. Anything in the paste that was not an attenuation zone is carried through untouched.

With thanks to Joel Crane for the idea.

Hamina Attenuation Object Editor

Zone types

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