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Chapter 3 Chapter 3 Presentation Transcript

  • Chapter 3 Drawing and Composing an Illustration
  • Objectives • Draw straight lines • Draw curved lines • Draw elements of an illustration • Apply attributes to objects • Assemble an illustration • Stroke objects for artistic effect • Use Image Trace • Use the Live Paint Bucket tool
  • Draw Straight Lines • View Objects on the Artboard – Use the Zoom tool to enlarge areas of the artboard for easier viewing. – Click and drag the Zoom tool over an area to magnify it. – Use the New View command to save a view of the artboard.
  • Draw Straight Lines Draw straight segments with the Pen tool. • Use the Pen tool to make lines, called paths. • Click the artboard with the Pen tool to make anchor points. • Straight segments are automatically placed between every two anchor points. • Corner points are where two endpoints of two straight segments are united.
  • Draw Straight Lines • You can move, reposition, add, and delete anchor points and segments. • Once you have completed an object, use the Direct Selection tool to fix points and segments.
  • Draw Straight Lines Line segment Starting anchor point Corner anchor points Ending anchor point Corner anchor Elements of a path composed of straight segments
  • Draw Straight Lines Use the Average command to align two or more points on: • Horizontal axis • Vertical axis • Both the horizontal and vertical axes
  • Draw Straight Lines • Join command unites two anchor points. • Join command always creates a corner point. • Use the Average and Join commands in tandem.
  • Draw Straight Lines Two paths created by the Join command Points to be joined Points to be joined
  • Draw Curved Lines Properties of curved lines • Click and drag the Pen tool to create anchor points along a curved line. • “Draw” a curved path by clicking and dragging the Pen tool to create points. • Anchor points created this way are called smooth points.
  • Draw Curved Lines • Direction lines are exposed when you use the Direct Selection tool. • Click and drag direction points at the end of direction lines to reshape curves.
  • Draw Curved Lines • Smooth points always have two direction lines that move as a unit. • When you manipulate direction lines through a smooth point, a smooth transition is maintained.
  • Draw Curved Lines Smooth anchor point Direction line Direction point
  • Draw Curved Lines • When two paths are joined at a corner point, they can be manipulated independently. • Corner point can join: – two straight segments – one straight and one curved segment – two curved segments
  • Draw Curved Lines A corner point joining two curved paths (note the direction lines) A smooth point A corner point joining one straight and one curved segment A corner point joining two straight segments
  • Draw Curved Lines • Convert Anchor Point tool changes corner points to smooth points, and smooth points to corner points. • To convert a corner point to smooth, click and drag the Convert Anchor Point tool on anchor point to pull out direction lines.
  • Draw Curved Lines • When you click directly on a smooth point with Convert Anchor Point tool, direction lines disappear. • Smooth point is converted to a corner point that joins two straight segments.
  • Draw Curved Lines Corner point converted to a smooth point Corner point Converting a corner point to a smooth point
  • Draw Curved Lines • Toggle between the Pen tool and the selection tools using keyboard shortcuts for efficiency. • When the Pen tool is selected press [Ctrl] (Win) or [Command] (Mac) to access the Selection tool or Direct Selection tool, depending on which tool you used last.
  • Draw Elements of an Illustration • Drawing from scratch means you start with a new Illustrator document and create the illustration using only Illustrator tools. Illustration created from scratch
  • Draw Elements of an Illustration • Illustrator’s shape tools combined with transformation tools make program powerful for creating geometric designs. • Undo and Redo commands allow for easy experimentation.
  • • Use the Place command to import a scanned image into Illustrator. • Trace the image in Illustrator. Draw Elements of an Illustration
  • Apply Attributes to Objects • Attributes are effects you have applied to an object that affect its appearance. • Typographic Attributes – Font, leading, horizontal scale • Artistic Attributes – Fill color, stroke color, stroke weight
  • Apply Attributes to Objects • The Eyedropper tool is handy for applying all of an object’s attributes to another object. • Use the Eyedropper tool to copy formatting and effects between text elements.
  • Apply Attributes to Objects
  • Apply Attributes to Objects • Avoid applying fills to open paths. • Open path’s primary role is to feature a stroke. • Any effect that you can create by filling an open path is more effective by filling a closed path.
  • Apply Attributes to Objects Yellow fill applied to open path Endpoint of open path Endpoint of open path
  • Assemble an Illustration The sequence in which elements are drawn determines the stacking order
  • Assemble an Illustration • Newer elements appear in front of older elements. • Locking and hiding placed elements will help protect them when positioned correctly. • Use stacking order commands to assemble various components of an illustration.
  • Assemble an Illustration All elements in position
  • Stroke Objects for Artistic Effect Use the Stroke panel to define stroke attributes: • Joins • Caps • Strokes – solid – dashed
  • Stroke Objects for Artistic Effect Dash width text box Gap width text box Limit text box Caps Joins
  • Stroke Objects for Artistic Effect • Caps are applied to the ends of stroke paths. • Stroke panel offers three choices: – Butt Cap for square ends – Round Caps for rounded ends – Projecting Caps for square edges that extend anchor point one-half weight of stroke.
  • Stroke Objects for Artistic Effect Two segments with Butt caps Two segments with Projecting caps
  • Stroke Objects for Artistic Effect Joins define appearance of corner. • Default is miter join, which produces stroked lines with pointed corners. • Round join produces stroked lines with rounded corners. • Beveled join produces stroked lines with squared corners.
  • Stroke Objects for Artistic Effect Miter joinRound joinBevel join
  • Stroke Objects for Artistic Effect • Miter limit determines when a miter join will be squared off to beveled edge. • Miter is length of point, from inside to outside. • Default miter limit is 4 times the stroke weight.
  • Stroke Objects for Artistic Effect • Dashed stroke is like any other stroked path except stroke has been broken into sequence of dashes separated by gaps. • Customize dashed or dotted lines using the Stroke panel.
  • Stroke Objects for Artistic Effect • Create a maximum of three different sizes of dashes and three different sizes of gaps. • When creating dashed stroke, remain conscious of cap choice in Stroke panel.
  • • Rectangle uses Exact Dashes options • Dashes distributed around the edge of the rectangle with exact measurements regardless of appearance. Stroke Objects for Artistic Effect
  • • Rectangle uses Adjust Dashes option. • Dashes and gaps automatically adjusted around corners for a balanced effect. Stroke Objects for Artistic Effect
  • Stroke Objects for Artistic Effect • Creating pseudo-stroke effects: – Sometimes the most effective stroke is no stroke at all. – Place black-filled copy behind an illustration element, then distort the black element with Direct Selection tool so it peeks out from behind.
  • Stroke Objects for Artistic Effect Black copy pasted in back and distorted The ‘pseudo-stroke’ effect Original object
  • • Image Trace feature traces a bitmap image and converts it to a vector graphic. Use Image Trace
  • Use Image Trace • Once Image Trace has been executed, the Expand button becomes available on the Control panel. • Expanding a traced image allows you to modify the paths and points that comprise the new vector graphic.
  • Expanded traced graphic in Outline mode Use Image Trace
  • • You can use Image Trace to trace bitmap photo. • Tracing Presets on the Control panel offers a variety of ways to trace an image. • Settings in the Image Trace panel can be used to create interesting illustration effects. Use Image Trace
  • Use Image Trace Image Trace panel
  • Scanned photograph Photograph traced Use Image Trace
  • Use Live Paint Bucket Tool • In Live Paint mode the concepts of “objects” no longer applies. • You can fill and stroke negative spaces. • Live Paint Bucket tool uses two object types: – Regions – Edges
  • • Edges and regions are like fills and strokes but “live.” • Where regions overlap a third region is created that can be painted a different color. Use Live Paint Bucket Tool
  • Edge Region Edge with new color applied Region with new color applied Use Live Paint Bucket Tool
  • To paint objects with Live Paint Bucket tool: • Select object • Click Live Paint Bucket tool • Click a color in Swatches panel • Click a region to be filled Use Live Paint Bucket Tool
  • • When any object is moved, overlapping areas changes shape and fill accordingly. • This is the “live” aspect. Use Live Paint Bucket Tool
  • Moving an object in a Live Paint group Rectangle moved to the left Use Live Paint Bucket Tool
  • • Painting Virtual regions Six paths Four regions Appearance of regions based on paths being moved Use Live Paint Bucket Tool
  • To insert new objects into a live paint group: • Switch to Selection tool. • Double-click inside any of the regions of the group. Use Live Paint Bucket Tool
  • Gray rectangle indicates intersection mode New object is added to the live paint group Use Live Paint Bucket Tool
  • • Use Expand command to release Live Paint group into its component regions. • Select live paint group. • Click Expand button on Control panel. Use Live Paint Bucket Tool
  • • To use Live painting edges: • Double-click Live Paint Bucket tool. • Click Paint Strokes check box in Live Paint Bucket Options dialog box. Use Live Paint Bucket Tool
  • Paint Strokes check box Use Live Paint Bucket Tool