Tracing an image or converting raster to vector

JC
Posted By
Joseph Chamberlain
Apr 6, 2006
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1413
Replies
9
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Closed
Dear Members:

Please forgive me if my question is rather basic but I haven’t found an answer to my questions in the documentation I currently have.

I am trying to convert an image acquired with a scanner to either a vector image that can be scaled without loosing quality or a good quality raster image composed by well-defined paths that look smooth.

My first thought was to trace over the existing image using the pen tool in Photoshop and then save the tracing. However, I haven’t been able to save the tracing and delete the scanned image since Photoshop treats it as the background image and doesn’t allow me to delete its layer.

What is the simplest way to do this ? How can I import this image into Photoshop, trace it on a separate layer creating a clean path, and then erase the image saving only the new one ?

Adobe has sold a package in the past (I am not sure but believe the name was Streamline) that claimed to convert raster images to postscript images. Is there a tool in Photoshop that can be used to convert a vector image acquired with a scanner to a vector (or good quality raster) image with well-defined lines and paths ?

Any suggestions will be greatly appreciated.

Thank you in advance,

Joseph Chamberlain

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G
Graffeg
Apr 6, 2006
Create a new layer first and trace onto that

Layer>New>Layer


www.micromountain.com
"Joseph Chamberlain" wrote in message
Dear Members:

Please forgive me if my question is rather basic but I haven’t found an answer to my questions in the documentation I currently have.
I am trying to convert an image acquired with a scanner to either a vector image that can be scaled without loosing quality or a good quality raster image composed by well-defined paths that look smooth.

My first thought was to trace over the existing image using the pen tool in
Photoshop and then save the tracing. However, I haven’t been able to save the tracing and delete the scanned image since Photoshop treats it as the background image and doesn’t allow me to delete its layer.
What is the simplest way to do this ? How can I import this image into Photoshop, trace it on a separate layer creating a clean path, and then erase the image saving only the new one ?

Adobe has sold a package in the past (I am not sure but believe the name was
Streamline) that claimed to convert raster images to postscript images. Is there a tool in Photoshop that can be used to convert a vector image acquired with a scanner to a vector (or good quality raster) image with well-defined lines and paths ?

Any suggestions will be greatly appreciated.

Thank you in advance,

Joseph Chamberlain
E
edjh
Apr 6, 2006
Joseph Chamberlain wrote:
Dear Members:

Please forgive me if my question is rather basic but I haven’t found an answer to my questions in the documentation I currently have.
I am trying to convert an image acquired with a scanner to either a vector image that can be scaled without loosing quality or a good quality raster image composed by well-defined paths that look smooth.

My first thought was to trace over the existing image using the pen tool in Photoshop and then save the tracing. However, I haven’t been able to save the tracing and delete the scanned image since Photoshop treats it as the background image and doesn’t allow me to delete its layer.
What is the simplest way to do this ? How can I import this image into Photoshop, trace it on a separate layer creating a clean path, and then erase the image saving only the new one ?

Adobe has sold a package in the past (I am not sure but believe the name was Streamline) that claimed to convert raster images to postscript images. Is there a tool in Photoshop that can be used to convert a vector image acquired with a scanner to a vector (or good quality raster) image with well-defined lines and paths ?

Any suggestions will be greatly appreciated.

Thank you in advance,

Joseph Chamberlain
Both Freehand and Illustrator have Autotrace features that will do an okay job of this, depending on how complicated it is. In my opinion Freehand’s Autotrace is better. There are also other programs like Silhouette (which I haven’t tried).

I think Fireworks may have something like this as well.

Streamline is indeed the name of the Adobe Autotrace prog. The most accurate way is to do it manually, but that is also the most work-intensive. Again, you can do this in Photoshop but I would prefer to do it in Freehand.


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2
2
Apr 6, 2006
"Joseph Chamberlain" wrote in message

My first thought was to trace over the existing image using the pen tool in
Photoshop and then save the tracing. However, I haven’t been able to save the tracing and delete the scanned image since Photoshop treats it as the background image and doesn’t allow me to delete its layer.

ALT-CLICK on Background in the Layers palette (changes it to a regular layer). Don’t really delete it when you are done, however, just hit the ‘eye’ to hide it.

Try this: create a new layer over the background.
Use the Freeform Pen (right click on the Pen tool).
Then above (options bar) click on the down-arrow and select Magnetic. (It’s worth a try).
…otherwise use the Pen as you have been.

See help (keyword TRACE) for more information.
T
Tacit
Apr 6, 2006
In article <C059FDE2.4420C%>,
Joseph Chamberlain wrote:

My first thought was to trace over the existing image using the pen tool in Photoshop and then save the tracing. However, I haven’t been able to save the tracing and delete the scanned image since Photoshop treats it as the background image and doesn’t allow me to delete its layer.
What is the simplest way to do this ?

Trace the image with the pen tool in Photoshop.

Export the pen paths to Illustrator.

Complete the work in Illustrator.

Photoshop is not a vector graphics tool. It has some limited vector graphics capability, but it is not a vector graphics tool. Using Photoshop to do what you want to do is rather like driving nails by pounding on them with a screwdriver–you can kinda sorta make it work, to an extent, but it’s difficult and frustrating. The right tool makes the job a whole lot easier.


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T
Tacit
Apr 6, 2006
In article ,
"Graffeg" wrote:

Create a new layer first and trace onto that

Layer>New>Layer

Pen paths are not associated with a layer. If you create a layer and then begin making paths with the Pen tool, that new layer will still be completely empty.


Art, photography, shareware, polyamory, literature, kink: all at http://www.xeromag.com/franklin.html
Nanohazard, Geek shirts, and more: http://www.villaintees.com
G
Graffeg
Apr 6, 2006
"tacit" wrote in message
Pen paths are not associated with a layer. If you create a layer and then begin making paths with the Pen tool, that new layer will still be completely empty.

I agree completely but if you draw a path with only a background layer you can’t delete the background – which was the problem he had. If you create a new layer first then create your path you can then delete the background.
WO
Wizard of Draws
Apr 7, 2006
On 4/6/06 2:06 AM, in article C059FDE2.4420C%,
"Joseph Chamberlain" wrote:

Dear Members:

Please forgive me if my question is rather basic but I haven’t found an answer to my questions in the documentation I currently have.
I am trying to convert an image acquired with a scanner to either a vector image that can be scaled without loosing quality or a good quality raster image composed by well-defined paths that look smooth.

My first thought was to trace over the existing image using the pen tool in Photoshop and then save the tracing. However, I haven’t been able to save the tracing and delete the scanned image since Photoshop treats it as the background image and doesn’t allow me to delete its layer.
What is the simplest way to do this ? How can I import this image into Photoshop, trace it on a separate layer creating a clean path, and then erase the image saving only the new one ?

Adobe has sold a package in the past (I am not sure but believe the name was Streamline) that claimed to convert raster images to postscript images. Is there a tool in Photoshop that can be used to convert a vector image acquired with a scanner to a vector (or good quality raster) image with well-defined lines and paths ?

Any suggestions will be greatly appreciated.

Thank you in advance,

Joseph Chamberlain

All of my cartoons are hand drawn, inked, scanned (400-600 dpi), and then turned to vector using Streamline. I highly recommend it. —
Jeff ‘The Wizard of Draws’ Bucchino

Cartoons with a Touch of Magic
http://www.wizardofdraws.com

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MA
Mohamed Al-Dabbagh
Apr 7, 2006
Hi Jeff!

Really funny and creative cartoons. I enjoyed browsing them.

Mohamed Al-Dabbagh
Senior Graphic Designer
WO
Wizard of Draws
Apr 9, 2006
On 4/7/06 1:14 PM, in article
, "Mohamed Al-Dabbagh"
wrote:

Hi Jeff!

Really funny and creative cartoons. I enjoyed browsing them.
Mohamed Al-Dabbagh
Senior Graphic Designer
Thank you.

Jeff ‘The Wizard of Draws’ Bucchino

Cartoons with a Touch of Magic
http://www.wizardofdraws.com

More Cartoons with a Touch of Magic
http://www.cartoonclipart.com

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