Power Clip and bitmaps - Engraving Etc. Forum

From:	LaZerDude (C_BURKE)	17 Apr 2007
To:	ALL	1 of 13

6679.1

I learned something today from Matt Woodhouse at Johnson plastics.... you my already know it, but I thought I would share it with you just in case you do not.

In Corel, when you power clip a bitmap into a shape, corel treats the power clipped image as a vector graphic.

If you are printing a color image,say, for sublimation, it is best to convert the powerclip image to a bitmap and then print. It prints faster, and you have better color control when you do.

From:	Harvey only (HARVEY-ONLY)	17 Apr 2007
To:	LaZerDude (C_BURKE)	2 of 13

6679.2 In reply to 6679.1

I use Corel 9 for my sublimation, never a problem with a power clip. You can even make the power clip shape to have no fill and no outline after power clipping it so it does not show.

It is also a great thing for the laser. You make the container a thin line in a cutting color, and place an image inside. It then rasters the image and cuts it out.

Philadelphia, PA (Really Bensalem)

When you finally understand it completely... it changes.

From:	Pedaler (ROYBREWER)	18 Apr 2007
To:	LaZerDude (C_BURKE)	3 of 13

6679.3 In reply to 6679.1
Chuck, Do you have any more details on that? I think I detected a question in Harvey's "voice" also(?). Other than the fact that Corel calls it a PowerClipped curve, I'm not aware that it treats it any different that a regular bitmap. {{{ In lasering anyway, I'm not into sublimation.}}} Roy Brewer http://www.engravingconcepts.com Epilog/Xenetech distributor

From:	LaZerDude (C_BURKE)	18 Apr 2007
To:	Pedaler (ROYBREWER)	4 of 13

6679.4 In reply to 6679.3
quote: Do you have any more details on that? Roy, I do not think it is anything complex. The issue came up because I was sublimating some tile...trying to get a good color correction. When I adjusted the color slider in the Sawgrass Powerdriver IQ... to the four different settings ( realistic, saturated, vivid and intense) it had absolutely no effect...so I called Matt. Finding out that corel treats a powerclipped image as a curve fixed the problem. I could have alternatively adjusted the "vector" settings in PowerDriver and probably acheived the same thing....(image adjustment)...with out converting it to bitmap. I just found it interesting enough to put out there. I hope that helps.

From:	Larry B (PALMETTO)	19 Apr 2007
To:	LaZerDude (C_BURKE)	5 of 13

6679.5 In reply to 6679.4
Hummm..interesting. I have been powerclipping my Photograv bitmaps for my plaques and I don't see any difference in the way they process, they look fine to me. I do this as a method of insuring I am rid of that white box. Epilog EXT 40w, Vision 16x24,

From:	Harvey only (HARVEY-ONLY)	19 Apr 2007
To:	LaZerDude (C_BURKE)	6 of 13

6679.6 In reply to 6679.4

I occasionally think that my dog tags look non corrected color wise. But other times look good.

Now you have given me a good reason to look farther, knowing that there can be a problem. What version, or does it not matter, of Corel treats it as a curve? I think I remember seeing something that allows me the ability to choose how each item is corrected. If I set the curve to be treated in perceptual that should also do it.

I probably can do it for a dog tag just by putting the picture behind the outline rather than power clipping it into the outline.

See the tag line.

Philadelphia, PA (Really Bensalem)

When you finally understand it completely... it changes.

From:	LaZerDude (C_BURKE)	19 Apr 2007
To:	Harvey only (HARVEY-ONLY)	7 of 13

6679.7 In reply to 6679.6
quote: What version, or does it not matter, of Corel treats it as a curve? That is a good question Harvey. I don't know. I need to call sawgrass today anyway with a color profile question, then get back to Matt. I'll ask him.

From:	LaZerDude (C_BURKE)	19 Apr 2007
To:	ALL	8 of 13

6679.8
I have not tried it yet, but I believe that the color can be adjusted using the "vector" slider of the Powerdriver IQ when an image has been powerclipped.....I'll try that today and report back.

From:	Harvey only (HARVEY-ONLY)	19 Apr 2007
To:	LaZerDude (C_BURKE)	9 of 13

6679.9 In reply to 6679.7

I just tried a page of four photographs plain and powerclipped side by side in Corel 9 and X3.

(Using a Konica/Minolta color laser printer, no inkjet at this location.)

Photos=Perceptual
Graphics=Saturation
Text=Saturation

The photos came out exactly alike so the info was wrong as far as my particular setup.

Philadelphia, PA (Really Bensalem)

When you finally understand it completely... it changes.

From:	Stunt Engraver (DGL)	19 Apr 2007
To:	Harvey only (HARVEY-ONLY)	10 of 13

6679.10 In reply to 6679.9
Harvey, I believe Chuck's talking about running photos through the Sawgrass PowerDriver. David "The Stunt Engraver" Lavaneri DGL Engraving Port Hueneme, CA

From:	Harvey only (HARVEY-ONLY)	19 Apr 2007
To:	Stunt Engraver (DGL)	11 of 13

6679.11 In reply to 6679.10

If it is the PowerDriver that is doing it then it is a bug there that is not in the Konica/Minolta driver.

This weekend I will have to try it on my sublimation printer using the Epson and the Laser Repro color correction.

Philadelphia, PA (Really Bensalem)

When you finally understand it completely... it changes.

From:	Pedaler (ROYBREWER)	19 Apr 2007
To:	Harvey only (HARVEY-ONLY)	12 of 13

6679.12 In reply to 6679.11
Harvey, I think you are exactly right. I don't think Corel treats as vector, I think the Sawgrass driver improperly treats as vector. Roy Brewer http://www.engravingconcepts.com Epilog/Xenetech distributor

From:	LaZerDude (C_BURKE)	20 Apr 2007
To:	Pedaler (ROYBREWER)	13 of 13

6679.13 In reply to 6679.12
quote: I don't think Corel treats as vector, I think the Sawgrass driver improperly treats as vector. That is interesting Roy.....I will check with sawgrass when I talk to them..and with Matt......possibly they mis-spoke.......