Hello everyone! I was recently working on a tutorial by Greg Zaal called “Creating a Realistic Orange” that was on the cgcookie website. I managed to come out with this after many hours and several attempts:
I am rather new to blender but I have done a decent number of tutorials so I decided to finally take off the training wheels and begin crafting my own work. Following the basic premise of the aforementioned tutorial, I decided to make some apples. However, I get these weird lines showing up on the apples and I have no idea how to fix them so that I may continue my work. Here’s two photos to show you what I mean:
It may be rather hard to see but upon close examination you’ll get what I mean. Any advice you fine people can lend me? Couldn’t quite find any answers on Google so that is why I have decided to come here.
Yet another starting post that shows all the symptoms but 0 hints about where the problem might come from. So the only thing that one can do is to start asking questions like what mask? why are you using masks? Do you mean UV mapped textures? Is it a mask made in Blender or just a png? What are the texture settings?
Hello JA12! I apologize for not saying exactly what might have caused this problem I am having. However, thank you for telling me what to do so that I can get the answer I seek. This link will take you to my packed blend file. I tested it on another computer and it seems everything should be in order. Here is the link:
Also here is a picture of the mask I created in blender with texture paint and saved it out as a png:
[ATTACH=CONFIG]278135[/ATTACH]
The little lines on the apple appear to be from when I was working in texture paint creating the mask. I also want to note that from what I recall the lines showed up after using the node editor for the apple material on the apple models labeled ‘Apple’ and across from that reads ‘Node Skin.’ I believe that this may be the origin of my problems. Here’s a photo since my description was rather weak:
Well, not expecting you to find the cause and answer your own question, just to have something to work with. Seeing what you’re doing and know what you did to end up with such problem helps a lot to figure out what is going on. Also having the file helps to communicate the findings back. Like this:
UV mapped textures need to bleed over the UV islands a bit or it can cause such lines. You are also using subdivision surface modifier so the resulting UV map changes a bit (you can enable modified UV display from the properties panel (N) in UV/image editor).
I edited UV map “Mask” a bit because UV islands were quite close each other and one UV island was out of the UV area. I then quickly painted the mask again in UV/image editor so that the black and white color is not too close to UV island borders. This removed the lines.
Edit:
if you don’t plan to put anything on the skin side by using “Mask” UV map, you scale all those UV islands that are on a white area to 0 and put them in a corner. One sweep of white color over that pixel is enough to cover those UVs, and you get more room for the part that might need more precision, or you could significantly scale down the mask size