Value refers to the gradation of lightness and darkness between black and white.  There are several ways to establish value in a drawing.  You can create value using line only by hatching (the use of closely spaced parallel lines), or cross-hatching (the use of overlapping sets of parallel lines).  Other ways to establish value include stippling (the use of dots) and modeling or blending (the use of a smooth of transition from light to dark).  The latter is directly related to chiaroscuro (the use of value to create the illusion of form). 
Studnt Work:  Liz Bouyea - Drawing I - 2003
Chiaroscuro is a technique that was developed in, and used widely, during the Renaisaance.  Artists that used it with great success during this period include Leonardo DaVinci, Rapheal, Titian and Bronzino.  The use of chiaroscuro continued into the Baroque Period and is still present in modern works by such artists as Odd Nerdrum. 
Student Example: Liz Bouyea
Student Work: Ryan Duhaime - Drawing I - 2003
The examples on the left exhibit the use of value to create form .  Each represents two different approaches to mark making.  The one on the top exhibits dramatic lighing and the affect is achieved by "blending" the values together.  The second example is less dramatic in it's lighting and makes good use of hatching and cross-hatching.
Student Example: Katie Scheafer
CLASS Six - 2 Oct
Today there will be a demonstration on creating value.  We will first explore the use of cross hatching to create value, and thereby define forms.  First we will develope a nine step value scale.  Then we will use this process to render a sphere and it's highlights and shadows.

HOMEWORK -
Finish the drawing of the sphere we began in class.


CLASS Seven - 7 Oct

In today's class you will need you 18" x 24" drawing pad pencils, erasure, pencil sharpener and blending stumps (sometimes called estompe' or tortillion).  These items will be used to create a form of value called chiaroscuro (see above).  We first will create another value scale anad render a sphere as we did before.  Once this is completed we will move on to using charcoal.. 

HOMEWORK -  Due 9 Oct

If you do not get this drawing finished in class you will need to finish it for homework.  In addition the following should be done in your sketchbooks.

In your sketchbook create three small drawings of a still life you have selected for yourself.  One drawing should depict the still life in full value (complete range of values from white to black and the gradations between).  The second should depict the same still life in high key value (the range of values between white and mid-tone gray).  Finally, the third drawing should show the still life in low key value (the range of values from mid-tone gray and black). Please see the first example on this page as an example of this homework assignment.
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