Marquee tool issues

[mpkadobe]

I have a circle in a scanned drawing that I am trying to select with the Ellipitical Marquee Tool.

1) When I click and drag to make the marquee (holding Shift to make it a true circle), the marquee only increases in size if I drag on the diagnols. Horizontal or vertical does not work. Is this the way the tool is supposed to work?

2) Trying to select the drawn circle with the circular marquee tool, I click on the upper left of the circle and drag to the lower right across the diagnol diameter of the circle but the marquee eillipse does not follow the cursor. It doesn't start at the exact upper left nor follow the cursor down. It lags behind. So when I drag from upper left to lower right of the circle, I end up with a circular marquee much smaller than the circle. I cannot get a marquee the exact size of the circle I wish to select. Am I doing something wrong or is there a setting that needs to be changed?

BTW, if I try this with the rectangular marquee tool—also dragging on the diagnol— the rectangle follows the cursor, starting exactly at the upper left and ending at the lower right.

[Jeff Arola]

Apologies that i misunderstood your question

Trevor is on the right track.

[mpkadobe]

Hello Jeff

When I right-click on the Marquee Tool icon I only get a popup window to select Elliptical or Rectangular. There is no Reset option.

I'm using a macbookair M3 OS Sonoma 14.7.1

Marc

[Trevor.Dennis · Accepted solution]

Yes, that is the way it works, and the fact that you can't drag from the top left corner, and remain conforming to the position you thought you were selecting, can be annoying. No matter how many years you have been doing it!

You have two options.

1. Start from the centre and Opt Shift drag.  The circle will then expand consentric to your starting point.

2. Start where the heck you like, and keeping Shift held down, use the Space Bar to move the selection into place.

3.  (This is turning into Monty Python's Spanish Inquesition sketch) Make your eliptical selection, and use Selection > Transform Selection to move, size, and shape as required.  You can drag corner handles using the Cmd key, or right click and chose one of the options.  I doubt any experienced users right click unless they need to Warp.  OK.  I guess we should be worrying about those comfy cushions.

[mpkadobe]

I suppose Option 1 is the most likely although it is hard to find the exact center of an exisiting circle.

[Trevor.Dennis · Accepted solution]

You really should have a look at Select > Transform Selection

You could even give it a shortcut as it is so useful (I just gave it the Ctrl F8 shortcut to demonstrate)

You can nudge the selection with the cursor keys in one pixel increments.

You can resize either by draging handles, or with much more control, from the W: H: percentage values in the Options bar.  That's way more accurate than you get by dragging. 

[Trevor.Dennis]

Images of round objects found online, are seldom going to be perfectly round, but you can make them so.

What I have done here is Remove Background from the globe, and copied it to a new layer.

I've made a Shift drag selection as close to the diameter of the globe as I could get without going ourside it.

I filled that selection with black (any colour would do) and clipped the globe copy to it.

The frame has gone, but the globe is now perfectly round.  It is obviously missing New Zealand, because there are no maps on which NZ appears.

I then combined the globe copy and black disk as a Smart Object, and used Free Transform to expand it just enough to hide the original, out of round, globe.  You can see I masked out the original globe to make sure none of it was peaking out from behind the round globe.  

It's the saort of trick you might use one day, and it least demonstrates clipping masks — which are close to as important as the Pen Tool and work paths.

[mpkadobe]

Trevor.

Thank you for pointing out the Transform Selection tool. I hadn't realized that existed. Works perfectly to resize the selection.