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  • Category: Graphics
  • Founded: Sep 21, 1999
  • Language: English
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#1193 From: Masatake YAMATO <jet@...>
Date: Tue Nov 21, 2006 10:26 am
Subject: Re: [AutoTrace] compile problem autotrace 0.31.1
jet@...
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Did you install ming?
SWFMovie_add may be part of ming.
If you, which directory you installed it?

I cannot remember but, maybe you can turn off ming support in
autotrace explicitly with configure option.

> gcc -DHAVE_CONFIG_H -I. -I. -I. -I/usr/include -I/usr/include -O2
> -march=pentium4 -mmmx -msse -msse2 -c output-swf.c  -fPIC -DPIC -o
> .libs/output-swf.lo
> output-swf.c: In function `out_splines':
> output-swf.c:78: warning: passing arg 2 of `SWFMovie_add' from
> incompatible pointer type
> output-swf.c: In function `output_swf_writer':
> output-swf.c:112: error: `fileOutputMethod' undeclared (first use in
> this function)
> output-swf.c:112: error: (Each undeclared identifier is reported only once
> output-swf.c:112: error: for each function it appears in.)
> make[1]: *** [output-swf.lo] Error 1
> make[1]: Leaving directory `/download/autotrace-0.31.1'
> make: *** [all] Error 2

#1194 From: "scomodo" <scomodo@...>
Date: Wed Dec 20, 2006 10:11 am
Subject: Re: compile problem autotrace 0.31.1
scomodo
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> Did you install ming?
yes, i have
ming-0.3.0-i686-1
(on slackware 11)

> SWFMovie_add may be part of ming.
> If you, which directory you installed it?

i compiled ming with --prefix=/usr

> I cannot remember but, maybe you can turn off ming support in
> autotrace explicitly with configure option.

  ./configure --prefix=/usr --without-ming

i get the same error with this confifgure,so i suppose i can't disable
ming support..

#1195 From: richard barwell <richard.barwell@...>
Date: Wed Jun 13, 2007 10:34 pm
Subject: Dos command for printing HGL file to a Roland dxy 1100
bty568635
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Hi,

I'm new to a lot of this, and haven't used DOS for so long Ive forgotten most of it, so I may be out of my depth here...

I have a PC running Windows ME, and a Roland dxy1100 plotter that works fine in 'standalone' print test mode, but does nothing when plugged into the parallel port ( set to spp). There are so many options for what may be wrong that I don't know where to start. I have downloaded and installed a variety of drivers, both windows and Dos, and according to 'settings' the windows driver from the roland website is there. The dip switches are all in the correct positions for printing from lpt1.

Have I got the wrong driver? Is there a problem with the port on my PC? How do I tell? Anyone out there used one of these before??

I need someone to tell me exactly what I should type after the command prompt to get an HPGL (or is it .hgl?) file from my desktop to the plotter. I may be sounding like a total idiot here, but I'm lost on this...

Is there anyone out there who could help me with this? All I need to do is print HPGL files from the plotter...That way I can get on with my work.

Thanks, RB


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#1196 From: richard barwell <richard.barwell@...>
Date: Mon Jun 18, 2007 9:26 pm
Subject: missing <image_name> error in dos
bty568635
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Hi,

Firstly, thanks to Ian MacPhedran for helping sort my previous syntax problem. Now I have a new problem!

I downloaded and unzipped autotrace.0.31.1-w32, and moved it's contents to C:\.
On calling the .exe file from the windows ME dos prompt, I got this message:-

Usage:C:\ AUTOTR~!.EXE [Options} <image_name>.
<missing<image_name>.>
For more information use -"help"

I have no idea what this is trying to tell me. Can anyone enlighten me? Assuming someone does, what should I do next in order to get autotrace up and running? I find the readme files a bit impenetrable, as I lack the technical background, so any help would be appreciated.

Thanks,

RB


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#1197 From: "Tom McKearney" <tommck@...>
Date: Wed Jun 20, 2007 10:28 am
Subject: Re: [AutoTrace] missing <image_name> error in dos
tommckearney
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It's a command-line program.  as it says, use "-help"

run the exe with "-help" on the command line and it will tell you the options you can put on the command line to make it do what you want it to do to your image(s).

T

On 6/18/07, richard barwell <richard.barwell@...> wrote:

Hi,

Firstly, thanks to Ian MacPhedran for helping sort my previous syntax problem. Now I have a new problem!

I downloaded and unzipped autotrace.0.31.1-w32, and moved it's contents to C:\.
On calling the .exe file from the windows ME dos prompt, I got this message:-

Usage:C:\ AUTOTR~!.EXE [Options} <image_name>.
<missing<image_name>.>
For more information use -"help"

I have no idea what this is trying to tell me. Can anyone enlighten me? Assuming someone does, what should I do next in order to get autotrace up and running? I find the readme files a bit impenetrable, as I lack the technical background, so any help would be appreciated.

Thanks,

RB


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#1198 From: richard barwell <richard.barwell@...>
Date: Wed Jun 20, 2007 9:01 pm
Subject: help file not helping much
bty568635
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Hi,

I've got as far as opening the help file in autotrace, but I don't understand what's written there... Can anyone please indulge me and just E-mail me exactly what I should type in order to convert a bmp file ( in this case r.bmp, situated in the root directory of my C:\ drive) into an hpgl file of the same name, outputted to the same location, but scaled up by a factor of 'x'. Sorry to be a pain...

Also, this program (on my system, and that of a friend who tried it) seems to terminate when started under windows. I assume it can be run from DOS, but as the download contained a lot of .dll files, I am a little confused as to how DOS uses them. Anyone got a layman's answer to that one?

Much obliged, RB


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#1199 From: richard barwell <richard.barwell@...>
Date: Thu Jun 21, 2007 11:12 am
Subject: suggested format for autotrace commands?
bty568635
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Hi,

Further to my previous E-mail (which could have been more specific...), I have tried a few of my own interpretations of the instructions in the help file, all of which have failed to produce anything other than 'bad command or filename' as a response. An example:-

autotrace [background-color=FFFFFF--input-format=BMP--output-file=C:\--output-format=hpgl] <r.bmp>

This was my most promising guess...r.bmp is a simple 1 mb windows bitmap of black 1px horizontal lines on a white background, which will need no further editing prior to, during or after conversion to hpgl. It is located in the root dir of the C drive, as are all the autotrace files.

I previously used 'Raster to vector 7.0' which could scale a jpeg version of r.bmp up by 15 times and convert to hpgl. Does autotrace have a scaling function? I can't see anything listed in the help file.

THanks again, RB

Can anyone demonstrate the correct syntax for what I'm trying to do?


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#1200 From: Masatake YAMATO <jet@...>
Date: Thu Jun 21, 2007 12:42 pm
Subject: Re: [AutoTrace] suggested format for autotrace commands?
jet@...
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> autotrace
[background-color=FFFFFF--input-format=BMP--output-file=C:\--output-format=hpgl]
<r.bmp>

`[', `]' and '<' and `>' are special characters.

Do like:

  autotrace --background-color=FFFFFF --input-format=BMP
--output-file=C:\\foo.hpgl --output-format=hpgl

or

  autotrace --background-color=FFFFFF --input-format=BMP  --output-format=hpgl >
C:\\foo.hpgl

I'm not using DOS or Windows. So I'm afraid `C:\\foo.hpgl' is wrong. If you get
an error with
above command line, use C:\foo.hpgl instead.

Masatake YAMATO

#1201 From: "Tom McKearney" <tommck@...>
Date: Thu Jun 21, 2007 6:20 pm
Subject: Re: [AutoTrace] suggested format for autotrace commands?
tommckearney
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You also need to replace "FFFFFF" with the Hexadecimal RGB numbers for the background color you want to use.

On 6/21/07, Masatake YAMATO < jet@...> wrote:

> autotrace [background-color=FFFFFF--input-format=BMP--output-file=C:\--output-format=hpgl] <r.bmp>

`[', `]' and '<' and `>' are special characters.

Do like:

autotrace --background-color=FFFFFF --input-format=BMP --output-file=C:\\foo.hpgl --output-format=hpgl

or

autotrace --background-color=FFFFFF --input-format=BMP --output-format=hpgl > C:\\foo.hpgl

I'm not using DOS or Windows. So I'm afraid `C:\\foo.hpgl' is wrong. If you get an error with
above command line, use C:\foo.hpgl instead.

Masatake YAMATO



#1202 From: richard barwell <richard.barwell@...>
Date: Thu Jun 21, 2007 7:19 pm
Subject: Re: [AutoTrace] suggested format for autotrace commands?
bty568635
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Thanks Tom and Masatake, this makes a lot of sense. Just 3 thoughts before I try this;

1) I have assumed I should specify the file I want to convert (r.bmp) after the commands etc outlined in Masatake's response, but without parenthesis.

2) Can I use .txt as the output file extension, as DOS only allows 3 letters here? My plotter is happy reading text as hpgl.

3) All the images I work with are just black and white, so FFFFFF will always be my background colour. If this is the default background colour, I assume I don't need to specify it?

OK, just tried this, got another error message, so I'm not there yet:-

I typed

autotrace --background-color=FFFFFF --input-format=BMP --output-file=r.txt --output-format=hpgl r.bmp

And this appeared

Problem during opening C:\totnp233.dll:
Problem during opening of pstoedit driver plugin: C:\totnp233.dll. This is no problem as long the driver in this library is not needed. Possibly you need to install further libraries and/or extend the LD_LIBRARY_PATH (*nix) or PATH (Windows) environment variables.


And the output file I specified is present but empty... have tried this twice, now.

I suspect that the error opening the above mentioned dll file has caused this? Or have I syntaxed myself into a corner again? Do I need a pstoedit driver plugin for what I'm trying?

I must be close to getting this to work now!

Thanks again, RB


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#1203 From: "plalbrecht" <plalbrecht@...>
Date: Sat Jul 21, 2007 4:59 pm
Subject: Need installation help
plalbrecht
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Can somebody help me get this stuff going? I have been wrestling with
Autotrace, Potrace, and Delineate for the better part of a day, and
have been unable to get anything to work.

The system is Windows 2000.

I have autotrace and potrace installed in their own folders under WINNT.

I have added these to the PATH variable: C:\WINNT\autotrace and
C:\WINNT\potrace.

I have downloaded and installed j2sdk-1_4_2_15 and installed it in
C:\Program Files\Java\j2sdk-1_4_2_15

I have added the environment variable
C:\Program Files\Java\j2sdk-1_4_2_15


This stuff doesn't work. If I run delineate.bat, I get a black window
named C:\WINNT\System32\cmd.exe
and an error box
"Cannot find the file 'C:\program' (or one of its components). Make
sure the path and filename are correct and that all required libraries
are available."

My understanding was that when first run, delineate it would offer
autotrace or potrace as options. Neither of those seems to do anything
when I try to start them manually from within their folders, either.


What's wrong here?

Thanks in advance,

Pete

#1204 From: <junkman@...>
Date: Sun Jul 22, 2007 5:28 pm
Subject: RE: [AutoTrace] Need installation help
barlo00001
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It's been a while, but I think the only way I got it to work via Delineate was to run it under Linux ( or maybe Cygwin).
It seemed that the Java just didn't want to work properly. {Shrug}
 
I also had a lot of trouble from the command line. Below is what I ended up with. This converts to SVG.
Put this in a .bat file and save it in the autotrace folder. (I know it works like that...)
Drag and drop your sourcefile (ie: image.bmp) to the batch file or a shortcut of the batch file.
The output file should land in the same folder as the source file.
 
REM ---------------Start--------------------------------
set file1=%~1
set options=-preserve-width -output-format svg -output-file
"C:\AutoTrace\autotrace.exe"  %options% "%file1%.svg" "%file1%"
REM ---------------End------------------------------------
 
I also had troubles with PoTrace. I think I got it working in Delineate, under Windows ONCE :-)
I believe Autotrace's Kung Fu is better...


From: autotrace@yahoogroups.com [mailto:autotrace@yahoogroups.com] On Behalf Of plalbrecht
Sent: Saturday, July 21, 2007 12:00 PM
To: autotrace@yahoogroups.com
Subject: [AutoTrace] Need installation help

Can somebody help me get this stuff going? I have been wrestling with
Autotrace, Potrace, and Delineate for the better part of a day, and
have been unable to get anything to work.

The system is Windows 2000.

I have autotrace and potrace installed in their own folders under WINNT.

I have added these to the PATH variable: C:\WINNT\autotrace and
C:\WINNT\potrace.

I have downloaded and installed j2sdk-1_4_2_15 and installed it in
C:\Program Files\Java\j2sdk-1_4_2_15

I have added the environment variable
C:\Program Files\Java\j2sdk-1_4_2_15

This stuff doesn't work. If I run delineate.bat, I get a black window
named C:\WINNT\System32\cmd.exe
and an error box
"Cannot find the file 'C:\program' (or one of its components). Make
sure the path and filename are correct and that all required libraries
are available."

My understanding was that when first run, delineate it would offer
autotrace or potrace as options. Neither of those seems to do anything
when I try to start them manually from within their folders, either.

What's wrong here?

Thanks in advance,

Pete


#1205 From: "plalbrecht" <plalbrecht@...>
Date: Sun Jul 29, 2007 7:38 pm
Subject: Re: Need installation help
plalbrecht
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--- In autotrace@yahoogroups.com, <junkman@...> wrote:
>
> It's been a while, but I think the only way I got it to work via
Delineate
> was to run it under Linux ( or maybe Cygwin).

Thanks anyway.

This is hackerware. Useless for the vast majority of potential users.
Whose idea was it to use a command line interface for what is
fundamentally a graphical, visual process? Duh...

It's OUTTA here.

#1206 From: <junkman@...>
Date: Tue Jul 31, 2007 3:37 am
Subject: RE: [AutoTrace] Re: Need installation help
barlo00001
Send Email Send Email
 
I'm curious if anyone out there is using Delineate successfully under Windows?
Version? Java version?
Delineate was rather nice to have for tweaking options.
 
It seemed to be discrepancies in Java that was making it bomb.
Maybe I should give it another go.
 
This page says Java 1.4.1 or 1.4.2, but that was about the time it was released.
 
It's bedtime now, maybe I will try later.
 


From: autotrace@yahoogroups.com [mailto:autotrace@yahoogroups.com] On Behalf Of plalbrecht
Sent: Sunday, July 29, 2007 2:38 PM
To: autotrace@yahoogroups.com
Subject: [AutoTrace] Re: Need installation help

--- In autotrace@yahoogroups.com, <junkman@...> wrote:
>
> It's been a while, but I think the only way I got it to work via
Delineate
> was to run it under Linux ( or maybe Cygwin).

Thanks anyway.

This is hackerware. Useless for the vast majority of potential users.
Whose idea was it to use a command line interface for what is
fundamentally a graphical, visual process? Duh...

It's OUTTA here.


#1207 From: "nj3h" <nj3h@...>
Date: Mon Feb 18, 2008 1:58 pm
Subject: AutoTrace
nj3h
Send Email Send Email
 
Greetings,

I hope someone can help me.

I was told about the AutoTrace program by the creator of Jigs@w
Puzzles 2 at Tibosoftware.com.  They used AutoTrace to create an emf
file that broke a picture of a porsche into pieces very different
from a normal jigsaw puzzle.  The pieces looked more like pieces from
a plastic car model I used to glue together as a kid.  Please take a
look at the sample puzzle at http://www.tibosoftware.com/jigsaw-
puzzle-free.htm  Download the samples and play the puzzle mentioned
below.

The particular puzzle to open is the one called "surprise puzzle".
Anyway, I would like to know how to create such a puzzle.  I don't
know how to upload the porsche.jpg file, but anyone that can help,
please email me and I will send you the file immediately.  One option
in JP2, is to create puzzles using vector templates in emf format.

However, the main problem I am having is I cannot get AutoTrace to
even run.  Martin sent me a zip file.  There was no install program
with it.  I double clicked on AutoTrace.exe and I get a small black
screen that then disappears.  I am running Win 98SE.

I tried Open Office Draw.  When I creat a emf file, I get too many
little pieces.  I edited the file to eliminate the microscopic pieces
in Paint Shop Pro and saved as a bmp, and then opened the file in
Open Office Draw and converted to vector and saved as an emf.  JP2
did not recognize the emf file when I did this.  Interestingly
enough, JP2 did use the emf file when I didn't go through the Paint
Shop Pro steps above with emf files saved in Open Office Draw.  One
other thing, JP2, in the puzzle create mode, will try to limit the
number of microscopic pieces, but I could not produce a puzzle like
the sample I mentioned above.

A trial of JP2 can be downloaded and tried for free.  In the create
puzzle mode, go to advanced mode to get to the screens where you can
use templates.

Therefore my request is:
1. Please help me to get AutoTracem up and running.  What else do I
need to do?  Does anyone have a step by step installation procedure
that may work?
2. A short tutorial on how to create puzzles like the Porsche puzzle,
that shows the settings required.


I appreciate any help that can be provided.

Regards,
George
nj3h@...

#1208 From: "mayuresh_iitb" <mayuresh_iitb@...>
Date: Tue Mar 18, 2008 2:41 pm
Subject: Autotrace Outline Process
mayuresh_iitb
Send Email Send Email
 
Hi all,

I have started using autotrace and exploring on it. I needed some
basic help in it. I want to know the outline algorithm used in the
autotrace, which will help me to understand the code in better way. I
want to what is the outline algorithm used in Autotrace

#1209 From: "Robert Hall" <oceanartscasino@...>
Date: Tue Oct 14, 2008 9:43 pm
Subject: Auto-Trace on a Mac
oceanartscasino
Send Email Send Email
 
hello, I'm new here so please forgive if I ask a silly question, but
wondering if anyone knows the best way to install on a Mac running OSX
10.4 tiger. Still saving for leopard. what files should I install and
how would I start to use autotrace. I'm interested in using AT to
convert pdf to vectorbased dxf or similar for cad/cam, also maybe to
use with fonts or other art the way streamline used to work with
illustrator.

#1210 From: "annepjose" <annepjose@...>
Date: Mon Apr 12, 2010 5:49 am
Subject: Autotrace Web Interface
annepjose
Send Email Send Email
 
Hi All,

I am trying to integrate the autotrace web intreface. I could integrate it well.
But looks like the converted images are not giving me a good quality.
If the images has gradient effect it spoils the quality.. but the same image
works well on vector magic.
Any solutions?

#1211 From: Simon Arthur <chroma@...>
Date: Mon Apr 12, 2010 2:58 pm
Subject: Re: [AutoTrace] Autotrace Web Interface
chroma99
Send Email Send Email
 
You could try using the ImageMagick tools to reduce the number of colors or increase the contrast in the image before processing it with Autotrace. This is what we do at Big Blue Saw for raster images that need to be converted to DXF format.

On 04/12/2010 01:49 AM, annepjose wrote:
 

Hi All,

I am trying to integrate the autotrace web intreface. I could integrate it well. But looks like the converted images are not giving me a good quality.
If the images has gradient effect it spoils the quality.. but the same image works well on vector magic.
Any solutions?


#1212 From: David Hunkins <dmhunkins@...>
Date: Mon Apr 12, 2010 7:49 pm
Subject: Re: [AutoTrace] Autotrace Web Interface
dmhunkins
Send Email Send Email
 
Do you want to post an example of the problem you see with the gradients? When I vectorize I'm specifically looking to *remove* the gradients (because vectorization can and should turn a linear gradient into rectangular patches of color, right?). Like Simon says, using sigmoid-contrast in ImageMagick before vectorizing helps me focus on the parts of the image (for example, a face that's in shadow against a bright background) I'm interested in. If you use sigmoid-contrast to pull out the important part of the image, you often wipe out mild background gradients in the process.

David Hunkins

On Apr 12, 2010, at 7:58 AM, Simon Arthur wrote:

You could try using the ImageMagick tools to reduce the number of colors or increase the contrast in the image before processing it with Autotrace. This is what we do at Big Blue Saw for raster images that need to be converted to DXF format.

On 04/12/2010 01:49 AM, annepjose wrote:

 

Hi All, 

I am trying to integrate the autotrace web intreface. I could integrate it well. But looks like the converted images are not giving me a good quality. 
If the images has gradient effect it spoils the quality.. but the same image works well on vector magic. 
Any solutions?




#1213 From: "martweb2000" <martweb@...>
Date: Mon Dec 26, 2011 8:37 pm
Subject: Color tracing
martweb2000
Send Email Send Email
 
I know a long time has gone but I plan a totally new software for tracing
bitmaps. Currently I have many good ideas but I am still looking for a soltion
not to get any gaps when tracing color images. Any ideas or links to helpfull
articles?

Greetings
Martin

#1214 From: Atendimento Americanas <sac.atendimento@...>
Date: Mon Dec 26, 2011 8:38 pm
Subject: Re: [AutoTrace] Color tracing
sac.atendimento@...
Send Email Send Email
 

Esta é uma mensagem automática. Por favor, não responda.


Entraremos em contato com você o mais rápido possível.

 

 

 

 

 

 

 

 



----- Original Message -----
From: martweb2000
Sent: segunda-feira, 26 de dezembro de 2011 18:37
To: "martweb2000"
Subject: [AutoTrace] Color tracing

#1215 From: Qianqian Fang <fangqq@...>
Date: Sun Feb 5, 2012 4:51 pm
Subject: improving centerline tracing at joints
fangqq
Send Email Send Email
 
hi list

I used autotrace to extract the centerlines from a tubular
pattern. I found the resulting centerlines often has a
"seagull-wing" shape at a joint. To illustrate this, here
is the sample image that I want to trace:

http://wenq.org/upload/test.png

the zipped bmp source file is at http://wenq.org/upload/test.bmp.gz

I used the following command:

autotrace -centerline -width-weight-factor 0.01 \
    -remove-adjacent-corners  -corner-threshold 60 \
    -line-threshold 1.5 -filter-iterations 5 \
    -output-format test.bmp -output-file test.svg

the output svg looks like this:

http://wenq.org/upload/test.svg.png

(the actual svg file is http://wenq.org/upload/test.svg)

Notice the "wiggly" pattern at the joints.

My question is: is there an optimized setting in
autotrace so that I can make these joints more
straight?

thanks a lot

Qianqian

#1216 From: Atendimento Americanas <sac.atendimento@...>
Date: Sun Feb 5, 2012 4:54 pm
Subject: Re: [AutoTrace] improving centerline tracing at joints
sac.atendimento@...
Send Email Send Email
 

Esta é uma mensagem automática. Por favor, não responda.


Entraremos em contato com você o mais rápido possível.

 

 

 

 

 

 

 

 



----- Original Message -----
From: Qianqian Fang
Sent: domingo, 5 de fevereiro de 2012 14:51
To: "Qianqian Fang"
Subject: [AutoTrace] improving centerline tracing at joints

#1217 From: Martin Weber <martweb@...>
Date: Sun Feb 5, 2012 4:59 pm
Subject: Re: [AutoTrace] improving centerline tracing at joints
martweb@...
Send Email Send Email
 
I wish I could help you, but for this I would need a better algorithm. Sorry I don't find a better one.

Greetings
Martin

Am 05.02.2012 17:51, schrieb Qianqian Fang:
 

hi list

I used autotrace to extract the centerlines from a tubular
pattern. I found the resulting centerlines often has a
"seagull-wing" shape at a joint. To illustrate this, here
is the sample image that I want to trace:

http://wenq.org/upload/test.png

the zipped bmp source file is at http://wenq.org/upload/test.bmp.gz

I used the following command:

autotrace -centerline -width-weight-factor 0.01 \
-remove-adjacent-corners -corner-threshold 60 \
-line-threshold 1.5 -filter-iterations 5 \
-output-format test.bmp -output-file test.svg

the output svg looks like this:

http://wenq.org/upload/test.svg.png

(the actual svg file is http://wenq.org/upload/test.svg)

Notice the "wiggly" pattern at the joints.

My question is: is there an optimized setting in
autotrace so that I can make these joints more
straight?

thanks a lot

Qianqian


#1218 From: Atendimento Americanas <sac.atendimento@...>
Date: Sun Feb 5, 2012 5:00 pm
Subject: Re: Re: [AutoTrace] improving centerline tracing at joints
sac.atendimento@...
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----- Original Message -----
From: Martin Weber
Sent: domingo, 5 de fevereiro de 2012 14:59
To: "Martin Weber"
Subject: Re: [AutoTrace] improving centerline tracing at joints

#1219 From: Qianqian Fang <fangqq@...>
Date: Sun Feb 5, 2012 5:14 pm
Subject: Re: [AutoTrace] improving centerline tracing at joints
fangqq
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On 02/05/2012 11:59 AM, Martin Weber wrote:
 

I wish I could help you, but for this I would need a better algorithm. Sorry I don't find a better one.


hi Martin

thank you for your quick reply. Don't take me wrong,
autotrace is a fantastic and powerful software! I am
actually very happy for being able to extract the central
lines at all. I truly appreciate your effort for writing and
sharing it with others!

Because I did not find detailed descriptions on some
of the flags, for example, "width-weight-factor", so, I
am not sure if I used autotrace correctly.

In your opinion, did I use the proper flags to do
the tracing for this particular image?

thanks

Qianqian


Greetings
Martin

Am 05.02.2012 17:51, schrieb Qianqian Fang:

 

hi list

I used autotrace to extract the centerlines from a tubular
pattern. I found the resulting centerlines often has a
"seagull-wing" shape at a joint. To illustrate this, here
is the sample image that I want to trace:

http://wenq.org/upload/test.png

the zipped bmp source file is at http://wenq.org/upload/test.bmp.gz

I used the following command:

autotrace -centerline -width-weight-factor 0.01 \
-remove-adjacent-corners -corner-threshold 60 \
-line-threshold 1.5 -filter-iterations 5 \
-output-format test.bmp -output-file test.svg

the output svg looks like this:

http://wenq.org/upload/test.svg.png

(the actual svg file is http://wenq.org/upload/test.svg)

Notice the "wiggly" pattern at the joints.

My question is: is there an optimized setting in
autotrace so that I can make these joints more
straight?

thanks a lot

Qianqian




#1220 From: Atendimento Americanas <sac.atendimento@...>
Date: Sun Feb 5, 2012 5:16 pm
Subject: Re: Re: [AutoTrace] improving centerline tracing at joints
sac.atendimento@...
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Esta é uma mensagem automática. Por favor, não responda.


Entraremos em contato com você o mais rápido possível.

 

 

 

 

 

 

 

 



----- Original Message -----
From: Qianqian Fang
Sent: domingo, 5 de fevereiro de 2012 15:14
To: "Qianqian Fang"
Subject: Re: [AutoTrace] improving centerline tracing at joints

#1221 From: Martin Weber <martweb@...>
Date: Sun Feb 5, 2012 5:22 pm
Subject: Re: [AutoTrace] improving centerline tracing at joints
martweb@...
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You took the right parameters. Thanks for your appreciation.

Am 05.02.2012 18:14, schrieb Qianqian Fang:
 

On 02/05/2012 11:59 AM, Martin Weber wrote:

 

I wish I could help you, but for this I would need a better algorithm. Sorry I don't find a better one.


hi Martin

thank you for your quick reply. Don't take me wrong,
autotrace is a fantastic and powerful software! I am
actually very happy for being able to extract the central
lines at all. I truly appreciate your effort for writing and
sharing it with others!

Because I did not find detailed descriptions on some
of the flags, for example, "width-weight-factor", so, I
am not sure if I used autotrace correctly.

In your opinion, did I use the proper flags to do
the tracing for this particular image?

thanks

Qianqian


Greetings
Martin

Am 05.02.2012 17:51, schrieb Qianqian Fang:

 

hi list

I used autotrace to extract the centerlines from a tubular
pattern. I found the resulting centerlines often has a
"seagull-wing" shape at a joint. To illustrate this, here
is the sample image that I want to trace:

http://wenq.org/upload/test.png

the zipped bmp source file is at http://wenq.org/upload/test.bmp.gz

I used the following command:

autotrace -centerline -width-weight-factor 0.01 \
-remove-adjacent-corners -corner-threshold 60 \
-line-threshold 1.5 -filter-iterations 5 \
-output-format test.bmp -output-file test.svg

the output svg looks like this:

http://wenq.org/upload/test.svg.png

(the actual svg file is http://wenq.org/upload/test.svg)

Notice the "wiggly" pattern at the joints.

My question is: is there an optimized setting in
autotrace so that I can make these joints more
straight?

thanks a lot

Qianqian




#1222 From: Atendimento Americanas <sac.atendimento@...>
Date: Sun Feb 5, 2012 5:25 pm
Subject: Re: Re: [AutoTrace] improving centerline tracing at joints
sac.atendimento@...
Send Email Send Email
 

Esta é uma mensagem automática. Por favor, não responda.


Entraremos em contato com você o mais rápido possível.

 

 

 

 

 

 

 

 



----- Original Message -----
From: Martin Weber
Sent: domingo, 5 de fevereiro de 2012 15:22
To: "Martin Weber"
Subject: Re: [AutoTrace] improving centerline tracing at joints

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