
Using a lowly roll of TP, against a white wall, this week we are looking at values
Light and Shadows, and Edges Week 4
Let's review what's we've covered so far, and what skills we will be developing.
Basic Review of Drawing:
1.Observe, slow down your looking, determine light source.
2.What is the basic shape, what are the shapes? What form are you looking at. Do a thumbnail
3.Start with an envelope, block in lines, note correct angles, avoid details, look for big shapes.
4.Begin to map out relationships, scale and measure the whole picture. Take your time to set up correct proportions and work on the block-in seeing contours, negative shapes. Start to block in within the form. Working with line up to this point.
5.Look at values with “a soft eye”slightly unfocused, where are the lights and the darks?
Add cast shadows early. Think in the full range of 1 to 10 values.
6.Cover the whole page. Build up your drawing all over, don't just work on one isolated area at a time. Hold off on those details.
7. Block in dark shapes, just like contour lines. Look for light shapes and dark shapes, Where is the path of light? Keep edges soft, keep shadows even at this point. You will strive for only 2 things at this point, lights and darks. Make adjustments to proportions now, don't proceed until you feel your shapes are correct. Check with your mirror.
8.Look within shadows, Where is the light coming from? Where is light hitting, where do shadows fall?
9.Look for core shadows, reflected light. Where are the cast shadows, where are the form shadows?
10. Look at edges, refine them for accuracy. Note subtle transitions.
11.Stand back from your drawing, and make corrections or addition. Do you need to push your values? Where do you want the viewer to look?
Here is a step by step of the envelope, the block in, refined block in, flat lights/darks, finally developing
shadow shapes, refining edges.





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VALUES.....lights and darks, value scale
Project make a 1 to 10 value scale as a way to talk about values.
I like to do this from time to time or if I get a new tool. Different tools have different value ranges.
An H pencil can not go as dark as a 6B. Let's make a value scale by making 10 boxes side by side and go in steps from white to black. Try one right now. number it 1 to 10, one is white, 10 is black.
This concept of 1 to 10 Values gives us a language to talk about lights and darks. We know a number four value is quite a bit lighter than a number 7 value.
We are now going deeper into observation and drawing by looking at tones or values.
It's easy to mix up color and value. We are going to look at the world as if everything is a black and white photograph, ignoring color.
A lot of looking at value is, how does this compare to that.

In the color photo, I didn't even notice the knife tip, but as a black and white value image, I see it's the lightest value. Our eyes are attracted to color, for value studies, we going to ignore color.
Shadows, 2 kinds: Cast Shadow and Form Shadow
What is a cast shadow? It falls directly 180 degrees away from the light source.
Where is your light source, arrow it on your paper until you do it automatically in your head.
What happens within a cast shadow? Sharp edge and more intense value contrast closer to subject, softer edge as it progresses outward. Values lighten in the outer part of a cast shadow value due to ambient light. Make your own observations, a cast shadow does not stay static.
Where do we see cast shadows? Everywhere there is light. The cast shadow is on the side away from light. Stick with a primary light source. Interior lighting can be confusing with several light sources.
A great place to see a cast shadow is under someone's nose
A cast shadow will follow the bumps and valley of a surface. Notice how the cast shadow of a nose goes over the shape of the upper lip. In fact, it will define the shape of the upper lip. Notice how a tree cast shadow will run flat on a road, defining that the road is flat.
Let look at the orange slices again in terms of shadows

Well, this is a little more complicated that we thought! Lets just look at cast shadows.
The closer a cast shadow is to it's orange slice, the sharper it's edge, and darker too.
As the cast shadow gets farther away from it's orange slice, the edge gets soft and fuzzy.
The cast shadow of the upper orange is moving up and over the knife handle, it's a different surface.
Project, let's set up a simple still life and include the cast shadows. Here are a few examples from this weeks class, white on white, looking at values.






Now we are going to think about another kind of shadow, the shadow on the object, or on the form, known as the form shadow. We can see the form shadow on our hand drawing up above. Start looking at faces to see how the light is falling on faces. Look for both kinds of shadows.Here's a strongly lit mannakin face with cast and form shadows, also a bit of reflected light under the chin.

Form Shadows
A Form shadow is made as a surface moves away from light source. Form shadows always start with a soft edge.
Classic example of a form shadow is a cheek tuning away from light. Classic example of a cast shadow is the shadow under the nose. A face will have both form and cast shadows, therefore soft and hard edges. Classic confusing area: the neck! Cast shadow at a distance from jaw to neck, therefore soft edged cast shadow.
Light on Basic shapes, What happens as light falls on a sphere? We'll work on this next week......
1.light source.
2.lit area and shadow areas, form shadow and cast shadow.
3.lit area will be color or value of the sphere, highlights will vary depending on how reflective the sphere is. Highlight will be leaning toward color of light, slightly yellow white in artificial light. Not all surfaces have highlights. Shiny surfaces like glass metal and wet eyes will have strong highlights.
4.Form shadow starts with soft edge moves into darkest part of the shadow known as the core shadow. This will be the darkest value on the sphere. As you look to the outer edge of the sphere, the value will get lighter than the core shadow , into the area of reflected light.
5.Reflected light is always lighter than the core, but remember it is still in shadow.

Here is a contemporary artist Jim Dine, Check out his beautifully rendered tool drawings. The business end of each tool is very accurately rendered, with attention to shape, light and shadows. As he proceeds down the handle, the drawing become very expressive, full of movement and energy. It's a wonderful contrast between exquisitely rendered form and expressive drawing. For this weeks at home project, Try a "Jim Dine Tool drawing" of something you like to use. it doesn't have to be a tool but something you commonly use. Make it much bigger in scale than it's regular scale, make it monumental.












































