Artist Eye Training: Highlights & Reflections
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- čas přidán 22. 07. 2019
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Once again we are using household objects and things we see in daily life to understand a fundamental art principle: reflections.
Understanding light and how it bounces off different things - specifically specular and diffuse reflection - is really useful to drawing people, landscapes or objects.
We also study some master drawings to practise using our reflection skills in a figure drawing or portrait.
In the video, I mention a video we did about the trois crayons method - it is well worth a look:
• LIGHT & SHADING in Fig...
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Man I've been watching drawing tutorials on youtube for about a year now, but I've never seen anything so useful and inforrmative. You really know how to deliver information and choose the important things to say, this video is going to be important for my practice. thank you from the bottom of my heart.
hey thanks Lucio that's awesome :)
I’m a physics student with little knowledge about optics, but I think I can help you understand why your dog looks shiny (spoiler: you’re pretty much correct).
The reason why specular reflection changes with your eye position is because light is coming directly perpendicular to your eyes / camera. Most light sources (a lamp, the Sun) emit light in different directions, so you can move and still get the right angle to see a highlight. This would be harder if you used a laser, for example.
You said it’s easier to see highlights in round corners because curves are made of lots of planes, and that’s true. The thing about your dog's hair is that it's short, so it follows a rhythm across her body, which is a round surface. That means that the chances that light comes perpendicular to you are very high. The knife comparison is true too, because individual hairs that are close to each other are almost parallel, like the knives you showed in the video.
The last paragraph comes mainly from my intuition tho, so feel free to correct me if I'm wrong. I hope it helps, I love your videos!!
Thanks for contributing Chisi :)
I've been drawing/making art (and even teaching a little drawing) for a long time and never even heard anyone used the term "specular reflection ." Thanks and god job. I'd like to add; a big break through for me was when I realized (as you demonstrated) that the highlights on humans (especially on hair) comes at the "highest" point on the curve of the body part. Regardless of what side you look at (for example) a skull-there's a "high point" and the same can be said of a ball; it has a "high point" just like a skull-which is determined by your view. Same for knuckles. As for the straight lines, that's above my paygrade. BTW, you've now got a new follower/subscriber.
Love everything you both do....i also like the cientific aspect of drawing. It's all about understanding life, how amazing are the things around us, that makes us want to draw everything. There's also a serenity that you send us in your videos, along with the good advice, that really help me deal with my approach to drawing and my frustrations in this matter.... I also love the fact that you are mother and son and have such a great connection... I try to build that with my daughters to. I'm always encouraging them to draw and to carry scketch pads all the time . I think that drawing helps in many aspects of live, like, for exemple, it's a great alternative to binge eating when you're frustrated, to pass the time when you're waiting for something.....Ok...just wanted to say that I love lovelifedrawing a lot....
Thanks Paula :) Yes I agree drawing is beneficial in so many ways in life!
Thank you so much, this is the first time I really understood reflection and I watched many tutorials...
Oh, I'm a little late but I think the word you're looking for is 'anisotropic' when describing the reflections on hair. I don't understand it super well, but I know your guess is correct - it's something that happens when lots of small cylindrical items are lined up =] I learnt the name from Sam Neilsen's courses on Schoolism.
cool thanks!
Once more very useful! Was reminded so much of creating Materials and texturing in 3D programs. I need to study surfaces and understand their lighting properties.
I missed your videos so much! Thanks for returning to topic of everyday observations. Thanks to you my everyday life is full of little adventures of noticing how peculiar world around me when I walk around the city ❤️
haha awesome!
another great video. I joined your love life drawing community and participated in the fresh eyes challenge (which have helped me a ton!). I have been slowly going through all your videos - thank you SO MUCH for everything you've done. You have such a soothing vibe, and your videos are both informative and incredibly enjoyable. Love all the features of your doggie too ^^
Thanks so much Giosele, means a lot :)
Beautiful and informative, always love your videos.
This series has been so amazing! I decided to get back into drawing and painting recently and I think this is exactly what I needed to get me started again 😄
Glad to hear Rosana, good luck with your drawing and painting!
Great video, as always!
Very helpful video! Thank you!
awesome vids, keep them coming
great video, keep it up. i always wait your videos
Great video, reflections makes such a huge difference in the look of a drawing and are so important to really make it look more realistic.
On a side note, I recently learned that collars actually damages the dogs neck over time. Harness is the better way to go for dogs health and our wallet ^^.
Hey thanks, we used to use a harness but every model we tried caused lesions around her 'armpits'. i will keep looking tho
Such a great video . Its very informative thank you sir
"The technique of heightening or drawing highlights, is based on the theory that light strikes the highest points of the surface!. for example, the bones that protrude through the skin and flesh, or the peak points of most oblique surfaces! ( nose tips, nostril points, lip reflections etc.). ..." whatever point that extends itself from the surface toward the light source will be the brightest. As a general rule ,the wetter/smoother or darker the surface....the stronger the highlights. The brighter and more textured the surface, the more diffused the highlights. Bright surfaces produce planes of light and shadows, that creates high contrasts as seen in most alabaster statues, or fair skins types!.
note on clear glass : will reflect between 0 and 16% light depending on thickness, this plus some color theory issues are explained by Richard Feynman in QED:
“To understand this better, we need to know that the cycle of zero to 16% partial reflection by two surfaces repeats more quickly for blue light than for red light. Thus at certain thicknesses, one or the other or both colors are strongly reflected, while at other thicknesses, reflections of both colors is cancelled out (see Fig. 18). The cycles of reflection repeat at different rates because the stopwatch hand turns around faster when it times a blue photon than it does when timing a red photon. In fact, that's the only difference between a red photon and a blue photon (or a photon of any other color, including radio waves, X-rays, and so on)-the speed of the stopwatch hand.”
― Richard Feynman, QED: The Strange Theory of Light and Matter
thanks Josh. I'm afraid I would need to study a lot more to even understand the quote!
@@lovelifedrawing me too! somehow its the beginning of the reason why a prism creates a rainbow, and specular reflections of sunshine on a distant window can be specific colors. the question may eventually come up, and this QED is the 20th century answer.
You'll note that with skin you'll get more specular reflection the more wet the skin is the more hydrated or oily the skin is the smoother it is the dryer the skin is the rougher it is .
awesome video! your channel is fantastic!! u got one more subscriber : )
Using toned paper is very difficult at first. It’s getting easier with practice. It’s a whole different way of thinking.
"Lets keep it traditional with the craft and terms my fellow artists... the technique is called heightening, or sometimes chiaroscuro!. The time, 1600"s. The place Europe!. Old master drawings, or cartoons!.
I just wanted to point out there is no such thing as defused reflection, when we talk about defused light it means that the surface absorb light more than it reflect it not just reflecting it in multiple directions which is true but not always, for example plastic is smooth surface but it wont reflect light the way metal does because light can pass through it and it wont be entirely reflected, on the other hand metallic surfaces will reflect most of of light, other than that great video I really love watching your figure drawing videos thank you very much for your effort, cheers!
hey thanks for the comment :) I'm not sure what you mean about diffuse reflection not existing - it does exist and it does mean reflection in multiple directions - the light you get on a sheet of paper for example is mostly coming at your eye because of diffuse reflection. anyway appreciate your inputs!
I think you're mixing concepts here. I've learnt a lot about lighting from photography and 3D design I've learnt for several years. Diffuse light exists because you can see it. When you see no color, you see black. Visible light is what human eye can see and the sum of all visible frequencies gives white color. When we see a red surface, for example, the object absorbs all frequencies except red ones, so that frequency is bounced and that's why our eyes can see it, and we see it being red. That red color is the diffuse color.
When you talk about plastic letting some light through you're talking about a different phenomenon called "Subsurface Scattering" (or SSS in 3D software), where some light gets inside the material and then it's bounced out from inside the object. It makes them a little bit translucent. Examples of this SSS phenomenon are: wax, milk, human skin, some translucent plastics, and so on.
Oh that's hot... That's hot
Do you still have Maggie? What breed is she? Such a lovely dog. And great video too!
Yes I do! We think she’s half staff half spaniel :)
2:06 i'm genuinely curious. what are the names of those two books?
Hi David - the first is anatomy for the artist by sarah simblet, the second is how to draw by scott robertson
Love Life Drawing thank you 🙏 I might check out how to draw by scott roberstson. Looks nice 👍
Are those Scott Robertson's books?
One of them is! It's how to draw, good book!
@@lovelifedrawing Yeah I have it and it's great.
While we are at it, thank you so much for your videos, I love this practical approach you are taking, it makes things very clear and understandable!
There really isn't a simple definition for secular light on the skin/face is there? Mostly on the nose, forehead, cheeks so I see.
Its mind blowing that GOD created this system and laws and we spend our lives figuring out HIS creation.