Hello, (I use Macromedia Freehand MX), I just recently download the trial illustrator, and my question is to know how to open points in Illustrator images for screen printing in freehand using the Halftone in Illustrator I've tried but is not the same as the finish is different and of very poor quality here is a sample as freehand and illustrator as stated in:
Look at the difference of points:
As you can see in Illustrator can only do that from the menu: Effects / Pixelate / Color Halftone... and you can not make the points more guys, not sharp as seen in the picture above and therefore the image does not get to see very well, while in freehand if you can manipulate the points from large fine to a point, points also can be made round, linear or ellipse and therefore may work better for screenprints and other designs that open nesecitan points at home.
What I'm interested to know if there is another way to work so that the image is sharp with the open items as well as in freehand.
No more I say goodbye to waiting for an answer, thanks
In Illustrator you could raise the document rastereffects resolution. Should be much higher for bitmap. You can apply a Rasterize effect after the halftone effect and set it to "Bitmap"
You could also take a look at the plugin Phantasm CS, which does vector halftone
Or at the plugin Scriptographer which also can do vector halftones.
As a screenprinter, I've found that Photoshop is much better for creating print-ready bitmaps. The only downfall is not having a vector image to work with, as you end up with in Illustrator.
Here's a nice little tutorial: http://www.thedesignplaybook.com/photoshop-halftone-effects/
(Instead of selecting the shape as "Line" in step 5, use "Round")
I still do not achieve the required result in Freehand give me the points, as you may see in the picture above, I need is to manipulate fine points as well as this:
illustrator and only managed this:
illustrator and only managed this:
As you can see the difference is very remarkable, the two images are worked in the same size.
I switch to illustrator but if I can achieve that result does not help me much, since I work in screen printing and printing and need to play with points, after that I love the program has many more things freehand.
PS: the freehand halftone used to make color separation images to full color with spots open in Illustrator is not like that.
The difference is that FreeHand provides true object-level halftone printing. Illustrator never has. The Halftone Palette in FreeHand is not a cheesy raster effect like Illustrator's Halftone Effect; it is true PostScript halftoning that can be assigned independently to individual objects. It is an invaluable feature (among many others) that has never seen the light of day in Illustrator.
You can set true custom halftoning in Illustrator, but only at the whole document level. You do it in the Print dialog at print time. Select Print. In the Print dialog's Output pane, select Separations. In the inks list at the bottom, the LPI, angles and shape settings are editable for each ink.
Here's a try.
I search for random image on Google and chose this http://i.ytimg.com/vi/wZurRt0TidI/0.jpg
I opened it in Photoshop and increased its resolution by interpolating it to 1000 x 750 pixels. Converted to Grayscale mode and saved as PSD document. Opened it in Illustrator and apply the Color Halftone effect with 4 for Maximum radius and all channels at 45°
Click on the image below to see it without the resize applied to posted images. Looks fine to me.
And here's one more try everything done in Illustrator.
Drag the image from the web and drop it in Illustrator. Rasterize at Grayscale and 150 ppi. Apply the Color Halftone effect with 6 for Maximum radius and all channels at 45°. Then to view it properly File > Save for Web and Devices and in the Image Size tab change the resolution to 1000 x 750 pixels. As you can see the size of the halftone dots depends on the pixel density before applying the effect.
Hi emil emil, thanks for these two options answer you gave me and I probably true and if you can, but I think my mistake was failing to indicate that images for which I meant are smaller, for example:
The smaller image is 4 x 3 cms. and that size is the image I put up, sorry for not indicating that before.
As you can see I can not be enlarging the size of my magazine to print everything, that would increase the weight of the file and printing time with my laser printer, but the friend JETalmage and illustrator I mean because you can not do what freehand on halftones, anyway thanks for your answer treasure. THANK YOU
Hi JETalmage, Thank you very much for clearing my doubt, and I'll try printing the menu as you indicated to me, it seems you know very well freehand, hopefully to see if adobe implement all the good things that had freehand in Illustrator, so this program would become the best.
... images for which I meant are smaller....
The size of the image doesn't matter, What matters is the (resolution) pixel dimensions of the placed image. I showed larger images because the screen cannot render nicely images with pixel density larger than the pixel density of the monitor - monitor will display (interpolate) them by showing a group of pixels from the image with one monitor pixel and this makes it difficult to preview the result on screen but will be fine when printed which can be also verified with zooming in on screen. That's why in my first message I asked you to post the original images of the portrait and the frog made in Freehand to check if I can make them appear the same in Illustrator.
Regarding Illustrator's (really Photoshop's) Color Halftone Effect:
Understand: This is just a raster effect. So when you apply this filter, the result is at least an 8-bit grayscale image. Therefore, when it is printed, it will be halftoned "again" (that is, actually halftoned) by the printing RIP. Even if you rasterize the fake halftone to 1-bit color depth, the result is not going to neatly correspond to the printer spots of the printer, and the shapes of the dots will be jagged, not neatly shaped at the resolution of the output device, as would be a real halftone. So merely evaluating screenshots of Color Halftone Effect in Illustrator is not indicative of printed results, because that grayscale image itself still hasn't been halftoned.
Also, the effect does not really even act like a true photographic (or PostScript) halftone. A true printed halftone is not simply differently-sized round dots. In the highligh areas, the black dots are round. In the shadow areas, the white voids are round. The dots transition from "dot" to "void" in the midtones. (You can see this difference in the very first image posted in this thread.)
True halftoning occurs at print time. The halftone dots are properly shaped, being "built up from" the output device's actual printer spots. The result is a clean 1-bit raster of printer spots, at the actual output device's hardware resolution. This is a far cry from merely applying a "halftone" effect to a raster image.
At the very least (failing proper object-level halftoning), Illustrator's half-baked 1-bit color depth option for its Rasterize command should provide halftone sub-options for frequency, angle, and shape (and should also provide diffusion dither options). But it merely produces archaic and ugly patterned toning, pretty much rendering its 1-bit option useless.
Yes, Jet. The bitmap option in the rasterize function in Illustrator is very poor with one dithering option and as such pretty much useless. Photoshop is much better If the bitmap pattern has to be done in this way. The point of my examples was that Illustrator can create smaller and better dot pattern with the halftone raster effect than the op showed with the posted images. It is another question if this is still good enough and I completely agree with you that it is far from ideal. I also based on the samples provided by the op thought that the halftoning in Freehand is on a gray scale image and when printed will be also halftoned again but I haven't used Freehand for more than a decade and don't know how this works there.
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