User Decals Question

Racin'Jason

Racin'Jason

228
Hello GTP community. Im out of town but Im wondering about the Livery Editor's option to add User Decals to the cars.

Has anyone tried it yet? I would imagine you have to save a file with an Alpha layer/transparency to a USB at a fairly high resolution using a program like Photoshop.

My general question is about how it works but more specifically (if anyone happens to know):

What kind-of resolutions are we looking at for clear, non-pixellated images in game? Does the game menu give any guidance as to a minimum resolution or ppi number when you click on the User Decal group?

If anyone knows or is willing to try to upload a simple common logo (maybe manufacturer badge or something missing from the game) that would be great! Thank you in advance!
 
One word. SVG. You upload them to gran-turismo.com. But so far this isn’t possible.
 
Yep, scalable vectors, then no need to worry about it being pixelated becuase vectors resize without losing quality
 
Hello guys i wanted to know, how to remove the white background on a picture to put in my car for my livery edit please ? Hmm i have not Photoshop or Paint. Thx 👍
 
Thanks for the quick replies!

Seems to me that it might be difficult to replicate some real world liveries then. Especially ones with unique or very detailed decals.

Correct me if Im wrong, but if i was to take a rasterized jpeg image of a decal off the internet, bring it into a vector program such as Adobe Illustrator and save it, that image is still not scalable? It would have to be traced in Illustrator using the pen tool and/or other selection tools and colored manually for it to be scalable?

Thanks for any updates on this!
 
Racin'Jason
Correct me if Im wrong, but if i was to take a rasterized jpeg image of a decal off the internet, bring it into a vector program such as Adobe Illustrator and save it, that image is still not scalable? It would have to be traced in Illustrator using the pen tool and/or other selection tools and colored manually for it to be scalable?
Click to expand...

Correct, that will not scale cleanly. Some applications have an auto-trace feature which takes a lot of the legwork out of drawing them manually,
 
Thanks! So i guess the technique will be to get a high res image to start with and just import and save in illustrator and scale down only in the game....
 
Racin'Jason
Thanks! So i guess the technique will be to get a high res image to start with and just import and save in illustrator and scale down only in the game....
Click to expand...
Possibly that won't work either, depending on how strictly they require the SVG to be vector-only. Of course you could import the image into Illustrator, LiveTrace it and export it as SVG vectors, but that will most likely be a pretty heavy SVG file that may be rejected anyway.

If possible, try to search for proper vector logos and such. File formats like EPS and Illustrator's native .AI files are a good start, usually. For instance, I just did a Google search for "eps coca-cola" and landed on http://freevectorlogo.net/coca-cola-eps-2/35813 (from the image search results, btw). That .EPS file imports nicely into most decent vector illustration software, and as long as they can export to SVG you should be good to go. It's usually pretty easy to spot bitmap images in EPS if you zoom in enough; at some point the pixels will show :)

Also, for extra points, take a little time and try to optimize you SVG files using, for example, https://jakearchibald.github.io/svgomg/

Now, this is of course *assuming* that GT Sport won't handle bitmap SVGs. I may be totally wrong, but if I were to implement something like this myself, I'd definitely go for the scalable vectors rather than bitmaps.
 
I was going to say the same, if you’re wanting to add a real world logo from a company then before even thinking about making one, the first thing to do is google it!
Chances are that one will exist already if it’s a big enough company.
Just get a bit creative in google or even a basic search such as “coca cola svg” will often bring up what you need
 
MrRaahzeel
Hello guys i wanted to know, how to remove the white background on a picture to put in my car for my livery edit please ? Hmm i have not Photoshop or Paint. Thx 👍
Click to expand...

You can’t just add an image, it doesn’t work like that.
Read the rest of the thread to understand more
 
Bornhall
Possibly that won't work either, depending on how strictly they require the SVG to be vector-only. Of course you could import the image into Illustrator, LiveTrace it and export it as SVG vectors, but that will most likely be a pretty heavy SVG file that may be rejected anyway.

If possible, try to search for proper vector logos and such. File formats like EPS and Illustrator's native .AI files are a good start, usually. For instance, I just did a Google search for "eps coca-cola" and landed on http://freevectorlogo.net/coca-cola-eps-2/35813 (from the image search results, btw). That .EPS file imports nicely into most decent vector illustration software, and as long as they can export to SVG you should be good to go. It's usually pretty easy to spot bitmap images in EPS if you zoom in enough; at some point the pixels will show :)

Also, for extra points, take a little time and try to optimize you SVG files using, for example, https://jakearchibald.github.io/svgomg/

Now, this is of course *assuming* that GT Sport won't handle bitmap SVGs. I may be totally wrong, but if I were to implement something like this myself, I'd definitely go for the scalable vectors rather than bitmaps.
Click to expand...

Good info there, thank you for the thoughtful reply. Without knowing how the game mechanics of uploading will limit us, i can see how looking up vectored logos will work, particularly for major/large companies. My concern, as stated in the original post, revolves around those unique/rare logos which probably havent been vectored before. I am personally interested in doing Japanese Super GT and Blancpain liveries for the GR.3 cars. I guess I must be patient and just wait it out! Thanks again for the info, looking forward to getting into the livery editor and photomode!
 
Racin'Jason
My concern, as stated in the original post, revolves around those unique/rare logos which probably havent been vectored before.
Click to expand...
You're welcome to any and all knowledge I can give :)

And yeah, I can easily say I've "been there, done that" when it comes to finding obscure or hard-to-find logos. I work in desktop publishing, web design, 3D rendering, video editing and anything in between and around on a daily basis, so I know it's sometimes hard to find good source material. Some logos are easy to recreate if you have a decent image to start with. If the results only need to be "good enough", the LiveTrace feature of Illustrator is a good start if you have access to Adobe software, otherwise online services like https://www.vectorizer.io/ or https://vectormagic.com/ can be used with some decent results. A higher resolution, clean, preferably non-JPEG version of a logo in bitmap format will of course get you better results than something small and highly compressed. Vectorization is not an end-all be-all thing though, and in many cases you will get a much better end result recreating the graphic from scratch (been there, done that, as well).

Also, apart from the obvious searches for "eps company logo" or "company logo svg" and the like, if you end up with nothing you can also try searching for something like "company name filetype: pdf" (no space between filetype: and pdf – it wants to insert a smiley here) in a Google search and look for the vector logo in PDF files. Many times they are simple bitmaps as well (which is evident if you zoom in as much as you can), but once in a while the companies have released something in PDF format that carries the company logo in vector format. Sometimes you can, ehrm, find logos in PDF versions of magazines (the ads are usually decent quality) that are hopefully not protected (don't bother trying to crack the PDF password encryption, time better spent elsewhere). The drawback is that you need pretty decent skills in Illustrator to extract it without chucking the entire ad along with it ;)

Feel like I'm getting a bit long-winded here, but safe to say they made a good choice selecting the SVG format, but depending on the capabilities we'll just have to see how well non-vector images works (or not). Some things may well just have to be created from scratch. There are plenty of talented people out there :)
 
Bornhall
You're welcome to any and all knowledge I can give :)

And yeah, I can easily say I've "been there, done that" when it comes to finding obscure or hard-to-find logos. I work in desktop publishing, web design, 3D rendering, video editing and anything in between and around on a daily basis, so I know it's sometimes hard to find good source material. Some logos are easy to recreate if you have a decent image to start with. If the results only need to be "good enough", the LiveTrace feature of Illustrator is a good start if you have access to Adobe software, otherwise online services like https://www.vectorizer.io/ or https://vectormagic.com/ can be used with some decent results. A higher resolution, clean, preferably non-JPEG version of a logo in bitmap format will of course get you better results than something small and highly compressed. Vectorization is not an end-all be-all thing though, and in many cases you will get a much better end result recreating the graphic from scratch (been there, done that, as well).

Also, apart from the obvious searches for "eps company logo" or "company logo svg" and the like, if you end up with nothing you can also try searching for something like "company name filetype: pdf" (no space between filetype: and pdf – it wants to insert a smiley here) in a Google search and look for the vector logo in PDF files. Many times they are simple bitmaps as well (which is evident if you zoom in as much as you can), but once in a while the companies have released something in PDF format that carries the company logo in vector format. Sometimes you can, ehrm, find logos in PDF versions of magazines (the ads are usually decent quality) that are hopefully not protected (don't bother trying to crack the PDF password encryption, time better spent elsewhere). The drawback is that you need pretty decent skills in Illustrator to extract it without chucking the entire ad along with it ;)

Feel like I'm getting a bit long-winded here, but safe to say they made a good choice selecting the SVG format, but depending on the capabilities we'll just have to see how well non-vector images works (or not). Some things may well just have to be created from scratch. There are plenty of talented people out there :)
Click to expand...

Thank you Bornhall. Very much appreciated. I have grown accustomed to easily grabbing images and applying them to liveries for pc racing sims. As a long time GT player, I appreciate the development team's passion and quality when it comes to the modelling and lighting etc. I understand too how a scalable vectored image is in tune with that philosophy. I will try out the resources you mentioned and see what i can dig up.

I might start with something simple like this, but on the contemporary NSX GR.3:

mobil1nsx.jpg
 
Bornhall
Also, if you're so inclined, some people like Affinity Designer a lot, although that's $40, €40 or £30 I believe. Myself, I'm too stuck on Illustrator after too many years of using it :)
Click to expand...
Then help me make a better tutorial / add methods of manual tracing please! :)
 

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