Illustrator :: Trace Tool For MRI Scans
Nov 11, 2012
I am trying to trace MRI scans with the Adobe Illustrator trace tool. I have been experimenting with the presnts in order to get the image I want and I have an example posted on this blog: [URL] .....
My goal is to produce easier to follow drawings for audiences who are not used to seeing MRI scans and at the same time avoid any copyright violations by using somebody else's images.
As you can see it does a fair job of outlining the brain but misses a lot of gray details in the center of the image.
How to trace these details? I used to be able to do this by hand, so I think that it is probably possible.
I am using AI CS4 and Win 7. For those who have used it is the trace tool in CS6 better?
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Nov 4, 2012
i cannot find auto trace tool in the trial version,i looked for it on the right side of the blend option,but its not there
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Jan 14, 2014
I am fairly new to Illustrator. I am trying to trace an image using the brush tool. I can get some lines in and for some reason the brush tool begins to revert to fill none effectively just making invisible lines. I have the parent image on its separate layer and the line art on another layer. Layers are unlocked. When I use the brush it will look as if it is deleting/erasing what is shown on both layers. The brush tool is effectively erasing what is there already instead of drawing.
I tried searching for a couple days now and the best I could find is this: [URL] ...
I tried everything mentioned in the thread and it still isn't working. In fact I think the OP in that thread never really solved his issue too. I can barely even get my line art down.
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Oct 29, 2012
When I try to trace a template with the pen tool parts of the template disappears with each new anchor point. How to keep this from happening?
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Jan 5, 2013
how to use Live Trace in Illustrator but now instead of the Tracing Options window having a button that says "Trace" it's now showing a button that says "Set to Default." I'm sure something isn't selected right or something similar, but I can't figure it out. why "Trace" is no longer an option?
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Aug 23, 2013
Image trace shifts artwork once the trace is finished. Have to nudge art back into place each time.
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Oct 7, 2012
I'm loving CS6 Illustrator, except for one thing. Image Trace. Here, Adobe seem to have taken away the two most usefull settings from Live Trace, and replaced all the presets with ones that are pretty much unusable. I almost always used either 'Comic Art' or 'Lettering' to trace hand-drawn images, but they're both gone. None of the new settings are good enough, even if I make a custom one. The main issue is that the sliders in Image Trace are for completely different things to those in Live Trace, so it's difficult to translate one set of settings into the other.
With Image Trace, I cannot get the same results as with Live Trace, and so far, have found myself having to have Illustrator CS5 open at the same time as CS6, just so I can get workable traces.
I don't know if it's possible, but is there any way to import the presets from Live Trace, or even the full tool, into CS6, to replace the new Image Trace presets?how to make the equivelant of Comic Art in Image Trace's new settings?This is a close up of a file I was trying to trace, showing the major difference in quality between the two CS versions.
Left: CS5 - Comic Art setting.
Right: CS6 - This is a custom setting, but is the closest I have come to Comic Art thus far.
As you can see, the definition of Image Trace is far lower in quality than Live Trace, giving me one large connected blob of colour rather than the distictly separate lines produced in Live Trace.
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Aug 8, 2012
I just started using CS6, jumping from CS3. A major tool I use is Live Trace, and I have custom settings for that. I cannot find a way to make Image Trace behave the way Live Trace did for black and white line drawings. The results I get in CS6 are far inferior to those I got in CS3 in terms of retaining the look of the original raster image. Otherwise, I will have to leave CS3 installed just to do my Live Trace.
Here is a sample of what I mean. You can see the quality degredation in CS6 compared to CS3. (And it's much more obvious when it's full size and full resolution.)
My settings used in Live Trace (CS3) were:
The settings I tried in CS6 that gave the above result were:
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Sep 25, 2011
I know we all love the measure tool, but if you want to stroke with it what you are measuring in a certain angle you can't do it. At least nothing that I know of. How do you trace your angles with measurement (whether degrees or radians)?
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Feb 25, 2012
I have recently buy one software ( embroidery) , with the corel draw x5 essential.
- but I can not find the trace function to convert bitmap to vector , like power trace.
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Sep 2, 2005
How do I use it?
I drew a line art picture, traced over it in pen, scanned it into Illustrator.
I selected the autotrace tool and clicked it on the lines, it didn't work. I clicked IN the lines, and it traced around the lines...see attachment. Also it left out a bunch of shapes.
I'm rather confused. Should I just not use auto trace for this? If so, what's the better tool?
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Mar 1, 2014
Is it possible to cut out a section of a Placed PNG in Illustrator without doing a Trace Bitmap?
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Apr 22, 2013
I have been able to do this in the past, but today illustrator cs6 will not let me do an image trace. I go under window, then over to image trace and it shows up, but it is light and it can't be opened. I also tried going under Object, then to Image Trace and the same thing.
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Nov 10, 2013
I have an exactly symmetrical geometric bitmap photoshop image (exactly symmetrical down to the pixel) which I need to convert into vector. When I import the image into illustrator and use the trace tool it does not trace both sides of the image exactly symmetrical..
Notice the trace line does not symmetrically match the bitmap.I have tried all the trace types such as 'high fidelity photo' yet it still does not trace exactly on both sides of the symmetrical image.
Is there any way to get the trace perfectly symmetrical?
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Jun 19, 2012
I'm trying to outline an image. In photoshop, I did find edges (save), then opened the image in illustrator and did image trace. I obtained a perfectly outlined image.I can't obtain the same results using illustrator image trace alone.I've adjusted the advance settings a few times to get the same result but with no luck. Threshhold and corner settings are ok, but I'm getting more paths and noise than I want, with the settings at low/1 respectively.I also tried the gray scale setting since the image is mostly gray, expand, etc, but no dice).
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Dec 11, 2012
I am just beginning in Ai and need to do a simple trace of this font on an old album cover. When I do the "Black and White Logo" preset on the Image Trace Panel it turns the enitre image white.
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Feb 27, 2013
I did a live trace and it did pretty well. The image I traced was fairly simple. But I ended up with a lot of extra pieces in what should be a solid color. I've tried Select > Object > Stray points, but that didn't work. I have large area that I want to be one solid piece. Within this area, there are lots of little "pieces" that are the same color... How do I merge them all into one piece? I tried "Unite" in the pathfinder, and that didn't work, either.
In case I'm not being clear, basically, I want to do what the "smooth" function does in Photoshop... but in Illustrator.
I'm using CS6 on a Mac.
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Jul 24, 2013
This might sound a bit odd, but the "Simple Trace" settings in CS5 were perfect for tracing my artwork for a graphic novel I'm working on. I upgraded to CS6 earlier this year but due to other issues had to take a break working on the graphic novel.
I came back today and drew the source images as I had before (in Paint Tool SAI using only black pen brush for a clean line) and then exported this to a PNG file which I then imported into Illustrator. I assumed that Default in CS6 was the same as Simple Trace in CS5, but it gives far fewer details than Simple Trace does! Is there anyway I get get the Simple Trace settings back?
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Sep 20, 2012
Is it better to use Live Trace with images that have no color and are just black and white and to apply all color in AI with Live Paint bucket or can you get good results with images that have color when using Live Trace?
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Jun 26, 2012
i used to trace QR-Code images because I often need them as scalable vector data. That worked nearly perfect in the old versions. I just had to to a little clean-up to some corners but every anchor-point was perfectliy in place. The new Tracer in CS6 places the anchor-points not at the "Black-Square-corners" of the original image. The attaced image shows the Tracer-Preview and settings. The orange points indicate the not correct traced areas.
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Feb 13, 2013
i try and use live trace in simple trace it works but if i use any of the color options to trace my image just goes white cant see a thing ?? Ive tried several different jpegs a photoshop file etc etc tried placing, importing dragging image to illustrator with the same results call adobe they want 50 bucks.
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Jun 13, 2013
I had a lot of good presets and actions that I've come to rely on. Now that I have Illustrator CC, I'm not using it :-( because I can't find where to migrate the presets from CS6 to CC.
One in particular that I need are my Image Trace presets... I have looked for them in the Presets folder, and even tried moving the "ImageTracing.jsx" script from CS6 to CC, but I don't understand how this is supposed to work.
Presets are so much easier to handle in Photoshop!
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Dec 12, 2012
I'm using CS5 on a PC.
I got live trace to finally trace the image I want to use. But I am unable to select the vectors now, they are stuck. The tracing is a sublayer of layer one. Is there a simple trick I'm missing?
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Mar 1, 2013
For my work I use the Image Trace a lot. When I Image Trace something and then expand it, it shifts the art over. Every once in a while I wouldn't mind but it does it every time and I have to go back and nudge it back into place by setting the original layer as a template and then looking at it in Outline mode. Here is an example of the shift...
I never had this issue in any other version of Illustrator and I have been working with it since 8. When I have multiple items to Image Trace on one of my jobs and I Image Trace on each one individually, it does it in random directions. Sometimes down and to the right, sometimes up and to the left and sometimes it doesn't do it at all.
Here are the settings I am using...
I am image tracing 1200ppi bitmaps and I don't need it to be any more exact than it is now becuase I am then offsetting it .05" and using that as a relief for our products. But ignoring the shift would make one of our CNC machines mill through the art. Anything to stop "THE SHIFT" would be great. I am using up precious time in my pre-production schedule to be constantly doing this.
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Apr 5, 2013
I am new to Illustrator, but know that I need to select the object I'd like to trace before using Image Trace. The problem is every time I used the selection tool, the entire picture is selected, and then traced.
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May 31, 2013
I have done a live trace of a somewhat complex GIF that I want to simplify into black silhouette. What I have is a black object filled with dozens of irregularly shaped closed paths within it. I want to get rid of these, and was thinking I could just choose "ungroup," then select all closed paths except the large one enveloping them and delete them. I'm obviously misunderstanding something, though, since Illustrator sees what I have as one object already. The only way I'm able to remove all those little white shapes is to delete their anchor points one by one. There has to be a better way . . .
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Sep 5, 2012
I've converted a bitmap which contains a pixelated banner in to a vector image. Whilst the output is almost there, some of the edges of the "pixels" are not at right angles and therefore the "pixel" is not a regular rectangle. I have converted all the anchors to corners, however this made some of the "pixels" in to trapezium shapes instead of right angled rectangles. There are too many pixels to modify to do this manually. Is there a way to "Select All" -> "Make all corners 90 degrees" type functionality in Illustrator CS6?
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Oct 1, 2012
We have recently updated our office Adobe Creative Suite, and are now using Illustrator CS6 to clean-up hand drawn sketches. When we run any sort of trace on a simple, black and white line drawing, the trace results in a negative image: the white background turns black, and the outline of the sketch is white. We have tried checking the "ignore white" box and several other settings changes. Initially, for our first few times using the new suite this didn't happen:
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Sep 30, 2012
I'm trying to "Live Trace" an image and AI says "Tracing" in the layers pane and just sits there forever. See image below:
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Feb 17, 2014
I am trying to use Illustrator to create source files for a CNC cutting machine, it requires a single path or paths to be created and exported a as. DXF file.
The trouble I am having is that when I use image trace to create a path, I am getting multiple paths stacked. I have the image trace set to create fills.
All I do is place image, trace image with settings that give good results, expand trace, remove fill, apply stroke and save.
Is there a way to create one single path in illustrator, I am using the demo version with a view to buy but if this cannot be done then it's a non-starter.
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Aug 23, 2012
I place the image in AI then hit the live trace button. The image changes into what appears to be vector, but remains a solid image. i.e. can not select any of the shapes or use magic wand tool?
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