eliminating white background

SB
Posted By
simon_biddell
Apr 6, 2004
Views
284
Replies
6
Status
Closed
Hi

I realise this is basic stuff but it still seems to cause probs.

What’s the quick way to eliminate a white background? When using the wand, it still seems to leave stray pixels which give that annoying ‘haloing’ when applying a drop shadow in Indesign, say. I’ve tried Select>Modfy>Expand by a couple of pixels but that still leaves the same effect.

I’m doing this in duotone eps files.

Thanks

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MV
Mathias_Vejerslev
Apr 6, 2004
Try Select>Color Range, to get the initial selection. Save that selection as an Alpha Channel, and modify it there.
L
LenHewitt
Apr 6, 2004
Simon,

when applying a drop shadow in Indesign,<<

If bringing the images into ID, why not create as transparent b/g images and Save As .PSD. No need to use EPS/clipping paths. ID will respect the spot colour inks and transparency.
RL
Robert_Levine
Apr 6, 2004
Depends on the version of ID, Len. ID 2.0 couldn’t handle spot color channels or duotone in PSD files. This has been vastly improved upon in ID CS.

Bob
SG
Shari_Gordon
Apr 6, 2004
well id suggest just switching to quick mask mode, your SELECTED areas will appear in RED…then just use the brush tool and paint over the areas you want selected (white=select more, black=unselect or vise versa) youll notice what that as you draw, the RED SELECTION will add or remove, then when you have everything colored red that you want selected, simply switch outta quick mode and youll see your dancing ants selection around the edges of where the red was!! might sound complicated but its really easy, other then that id just say to use a layer mask, its pretty close to the same thing but has a little more control
SG
Shari_Gordon
Apr 6, 2004
oops sorry, the red areas are the negative space(the area you DONT want selected, so if you do hit backwards, just simply it control+I to reverse your selection…and black adds red to the quick mask!!
R
Rastamon
Apr 6, 2004
I would double-click on the original layer to unlock it, then create a transparent layer below the original. Then use the "magic" eraser by alt-clicking on the white background of the original layer. Then just click on the white background and it will disappear! I have used this A LOT and it seems to work really good.

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