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Please help about how to check vector problems

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Alvera
2581 posts
77
Message posted at 11/19/2013, 02:44:59 AM by Alvera
Hello. Please help a beginner.

1. How to contact support about a rejected vector eps file? Because the additional file is deleted and I want to understand where the problem is - 5 rejection on same file till now.

2. Any software to check the svg or eps file for raster problems? Automatically.

Thanks a lot.
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Alvera
2581 posts
77
Message edited at 11/19/2013, 03:42:49 AM by Alvera
Some info about my workflow: Inkscape 0.48. I have some gradients in file but the stops have alpha channel on 255, so no transparency. All objects are transformed to paths. No other effects. The shadow is gradient from gray to white, no transparency too. The message of rejection is "The file contains raster (bitmap) elements." Any clue will help. Thank you. The jpg file is this:

   Scary pumpkin halloween character   
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Alvera
2581 posts
77
Message posted at 11/19/2013, 04:32:39 AM by Alvera
I've just read this on internet, it is true??
"You can't use gradients or opacity (and I really wish inkscape could make a vector gradient like AI does, since I can't afford AI and I do like gradients)."
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Red
1625 posts
Message edited at 11/19/2013, 09:15:59 AM by Red
I'm guessing that yes, it is a gradient problem, there is banding. Even in Illustrator gradient fills are tricky unless you save the vector in a special format. Vector gradients are not for the faint of heart. There's nothing much you can do to "smooth" an illustrator gradient other than add more color or shorten the distance between stops. Gray is tricky. Gray banding is easier to spot. The human eye is more sensitive to differences in gray (black/white) than in color. So unfortunately one will spot slight differences as banding, especially in the mid-range of a black-to-gray gradient. I don't know anything about Inkscape but what looks ok as a jpg when using gradients (especially in drop shadows) gives you banding when saved as a vector. Frankly, I'm seeing some banding in your jpg.

This might help. It refers to Illustrator vector types (eps8 or eps10) and mentions Inkscape - Troubleshooting eps files


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Therealdarla
148 posts
Message posted at 11/19/2013, 10:03:39 AM by Therealdarla
Are all outlines converted to objects?

Are there any layers not visible? (if so, delete them)

Do you have unused swatches attached to the file? (if so, delete these)

How are the gradients within the pumpkin done?

Some programs have a quirk with radial gradients. If you change the shape after applying the gradient, things get weird. If you have used any radial gradients, try changing them to linear gradients.

You can preview and check your eps files by downloading ghostgum (it's free online). Many problems will show up there.
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Alvera
2581 posts
77
Message edited at 11/20/2013, 01:23:36 AM by Alvera
Thanks a lot for advices. I will check asap and tell you more. Gradients are linear. No swatches attached. Ghostgum software sound very promising.
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Alionaz
316 posts
74
Message posted at 11/20/2013, 10:09:21 AM by Alionaz - member is an admin
Please read this blog. It will help you .
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Alvera
2581 posts
77
Message edited at 11/20/2013, 16:27:00 PM by Alvera
Thanks, but how to contact support about a rejected vector eps file? Because the additional file is deleted and I want to understand where the problem is. Can I send the ID and the eps file is still on server?

NOTE later edit: Read it, fine article, BUT I have gradients and each gradient have two stops. Every stop is 100% opaque (example: the pumpkin shadow goes from gray to white and NOT from gray to transparency). My main question is: no gradients at all in eps files? A gradient from green 100% opaque to red 100% opaque will be accepted?

Thanks a lot.
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Paintpixel
71 posts
Message edited at 11/20/2013, 23:26:14 PM by Paintpixel
I make my pictures in Inkscape and I do not use any gradients on images for microstock because Inkscape cannot save them properly in eps, which will lead to rejections as you have found out. You must also be sure that there are no open paths, this is true with whatever vector program you use, any open paths will also lead to rejection.

If there are any objects overlapping the image's boundary, they need to be clipped or that too will lead to rejection.


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Paintpixel
71 posts
Message posted at 11/20/2013, 23:29:05 PM by Paintpixel
I forgot to say, if you want to keep your gradients you might want to choose png as an additional format instead of eps.


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Roberto1977
1209 posts
81
Message edited at 11/21/2013, 01:46:21 AM by Admin
I use Inkscape for all my illustrations. You can use gradients (no transparency, no blurs) and create a vector (eps) file to upload as additional format.
My procedure is: open the svg file (example.svg) with AI and save it as AI file (example.ai), then I save it with AI as an EPS file (example.eps).

Your procedure, Alvera, is correct.
Please check also in Inkscape blurs and opacity for every color of your illustration (SHIFT+CTRL+F, at the bottom). Sometimes it happens to click unintentionally here: check that blur is 0 and opacity is 100%.
If you want to check your EPS file for unwanted raster elements, open it with AI and check "Window/Links": if you have a raster element in your image you should see it there.

Hope this helps.
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Alvera
2581 posts
77
Message posted at 11/21/2013, 05:01:25 AM by Alvera

Originally posted by Paintpixel:
Quoted Message: I forgot to say, if you want to keep your gradients you might want to choose png as an additional format instead of eps.


Nope. Uploaded with png and was rejected because no transparency in the whole drawing. Thanks.
Nikon. 4x4 car for wildlife adventures. Inkscape for vectors...

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Alvera
2581 posts
77
Message posted at 11/21/2013, 05:09:32 AM by Alvera

Originally posted by Paintpixel:
Quoted Message: You must also be sure that there are no open paths, this is true with whatever vector program you use, any open paths will also lead to rejection.If there are any objects overlapping the image`s boundary, they need to be clipped or that too will lead to rejection.


Thanks a lot. What is an "open path"? If I use the tool Bezier curves or straight lines the result will be aan open path? Maybe I must use only the Freehand lines with shapes? Thanks again.
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Alvera
2581 posts
77
Message posted at 11/21/2013, 05:13:17 AM by Alvera

Originally posted by Roberto1977:
Quoted Message: then I save it with AI as an EPS file (example.eps)


Unfortunately I don't have AI. I think there is not another way to export a good eps from Inkscape... Thanks a lot.
Nikon. 4x4 car for wildlife adventures. Inkscape for vectors...

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Roberto1977
1209 posts
81
Message posted at 11/21/2013, 05:40:30 AM by Roberto1977 - member is an admin

Originally posted by Alvera:
Quoted Message: Unfortunately I don`t have AI. I think there is not another way to export a good eps from Inkscape... Thanks a lot.


If you can't use AI, these are your options:

- If you don't use gradients, you can always export an EPS file directly with Inkscape. In this case, you can "save as" eps.
If your EPS (with gradients) is saved with Inkscape, gradients are converted in raster (not editable) elements.

- If the subject of your illustration is isolated, you can save a PNG format. Remember to set the background transparent (RGB 255,255,255,0), not white (RGB 255,255,255,255).

Best, Rob
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Alvera
2581 posts
77
Message posted at 11/21/2013, 09:07:55 AM by Alvera
Thanks Rob, all is clear now. If I want gradients I must have Adobe illustrator. Thanks for your time and thanks all for helping me. Have a nice day!
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Paintpixel
71 posts
Message posted at 11/21/2013, 21:09:36 PM by Paintpixel
You can check if there are any open paths by setting stroke on an object, if there is a break around the border then the path is open. Yeah I think the bezier tool makes open paths because the two ends don't join.

When I want to make a straight line I use the rectangle tool so as to keep a closed path. If you use the pencil tool finish your end point on the starting point or you will end up with an open path. I think the brush/calligraphic tool makes open paths but I'm not sure about that.


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Debspoons
261 posts
64
Message posted at 11/21/2013, 21:25:34 PM by Debspoons
You can try interpolate:
http://inkscape.org/doc/interpolate/tutorial-interpolate.en.html

For your gradients...takes some getting use to doing this..

I think there are more information for this on the internet for more tuts.

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For me, I do not worry about getting eps formats as it use to be. Seems like a lot of work and not much more income than a regular jpeg. ( or Tiff)
I use Inkscape for my illustrations

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Alvera
2581 posts
77
Message posted at 11/22/2013, 05:35:51 AM by Alvera
Thanks again for info, fine community here on illustrators :) love it!
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Celiaak
712 posts
73
Message posted at 11/23/2013, 16:56:42 PM by Celiaak
I use bezier tool and I always click on first noodle to close the path.
If you find unwanted open paths, you can choose both and join them as one, and it will be closed.

I do not bother to make EPS anymore, but if I need na EPS I run away from gradients.

Choose "slicing" the image, and changing its color from darker to lighter in various juxtaposed layers.
It will have a diferent look and feel, but, personnally, I like it.
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