Full Version: merging with backgroung problem in photopaint
From: Precision Laser Creations (PIZZAMAN) [#1]
10 Mar 2006
To: ALL
Whenever I make an oval cutout of a face in photoshop or photopaint and save it as a bitmap, the program merges the clear background also.
So If I send the picture of a face with an oval around it to photograv a square appears on the outside of the oval even though the background was supposed to be transparent. I am trying to laser engrave an oval picture onto a piece of black anodized aluminum. Thanks for the help.
Tony
From: rekey [#2]
11 Mar 2006
To: Precision Laser Creations (PIZZAMAN) [#1] 11 Mar 2006
From: Precision Laser Creations (PIZZAMAN) [#3]
11 Mar 2006
To: rekey [#2] 13 Mar 2006
I didn't think you were supposed to mess with it after you use photograve. Maybe that's just for changing the size. I'll try it.
Thanks,
Tony
From: Harvey only (HARVEY-ONLY) [#4]
11 Mar 2006
To: Precision Laser Creations (PIZZAMAN) [#1] 11 Mar 2006
Certain bitmap formats so not send out the mask, they just merge everything. Some software might ignore the mask.
Easy solution:
Open the Objects Manager, assuming Corel;
Drag the corrected image to the bottom of the list of that page;
Now everything is on top of the image and will not be hidden by the box.
From: Precision Laser Creations (PIZZAMAN) [#5]
11 Mar 2006
To: Harvey only (HARVEY-ONLY) [#4] 11 Mar 2006
From: Dave Jones (DAVERJ) [#6]
7 Jul 2006
To: Precision Laser Creations (PIZZAMAN) [#1] Unread
Photograv is expecting a flat image (no transparency). Simply put a background layer behind your cutout that is pure black or white, depending on the color of the material you will engrave on. So, for black anodized aluminum or black marble, place a solid black background on a layer below your cutout. For images going on wood, use a solid white background.
Photograv will invert the image for black materials (ie: black anodized aluminum) so your black background becomes pure white when it comes out of Photograv and that means the laser won't fire in the background area. For wood you use a white background and Photograv does not invert it, so again you end up with a white background out of Photograv, and again the background does not engrave.