Start on an iPhone or iPad, refine and finish on your desktop
Start on an iPhone or iPad, refine and finish on your desktop!

Is ideating, tracing, or prototyping on your iPad or iPhone the beginning of your Design workflow?

Check out Adobe Illustrator Draw - an app for your iPad or iPhone. Draw incorporates your favorite vector drawing tools and features into a streamlined, modern interface. You can draw lines, shapes, and freeform illustrations and with ten drawing layers and a photo layer. And when you’re back at your desk, Creative Cloud connectivity makes it easy to apply finishing touches in Illustrator CC or Photoshop CC.

Learn more about the Adobe Illustrator Draw app here.

Download the amazing Adobe Illustrator Draw app from the iTunes app store (Available for your iPhone and iPad).

About vector graphics

Vector graphics (sometimes called vector shapes or vector objects) are made up of lines and curves defined by mathematical objects called vectors, which describe an image according to its geometric characteristics.

You can freely move or modify vector graphics without losing detail or clarity, because they are resolution-independent—they maintain crisp edges when resized, printed to a PostScript printer, saved in a PDF file, or imported into a vector-based graphics application. As a result, vector graphics are the best choice for artwork, such as logos, that will be used at various sizes and in various output media.

The vector objects you create using the drawing and shape tools in Adobe Creative Suite are examples of vector graphics. You can use the Copy and Paste commands to duplicate vector graphics betweenCreative Suite components.

About paths

As you draw, you create a line called a path. A path is made up of one or more straight or curved segments. The beginning and end of each segment are marked by anchor points, which work like pins holding a wire in place. A path can be closed (for example, a circle), or open, with distinct endpoints (for example, a wavy line).

You change the shape of a path by dragging its anchor points, the direction points at the end of direction lines that appear at anchor points, or the path segment itself.

Components of a path
Components of a path

A. Selected (solid) endpoint B. Selected anchor point C. Unselected anchor point D. Curved path segment E. Direction line F. Direction point 

Paths can have two kinds of anchor points: corner points and smooth points. At a corner point, a path abruptly changes direction. At a smooth point, path segments are connected as a continuous curve. You can draw a path using any combination of corner and smooth points. If you draw the wrong kind of point, you can always change it.

Points on a path
Points on a path

A. Four corner points B. Four smooth points C. Combination of corner and smooth points 

A corner point can connect any two straight or curved segments, while a smooth point always connects two curved segments.

A corner point can connect both straight segments and curved segments.
A corner point can connect both straight segments and curved segments.

Note:

Don’t confuse corner and smooth points with straight and curved segments.

A path’s outline is called a stroke. A color or gradient applied to an open or closed path’s interior area is called a fill. A stroke can have weight (thickness), color, and a dash pattern (Illustrator and InDesign) or a stylized line pattern (InDesign). After you create a path or shape, you can change the characteristics of its stroke and fill.

In InDesign, each path also displays a center point, which marks the center of the shape but is not part of the actual path. You can use this point to drag the path, to align the path with other elements, or to select all anchor points on the path. The center point is always visible; it can’t be hidden or deleted.

About direction lines and direction points

When you select an anchor point that connects curved segments (or select the segment itself), the anchor points of the connecting segments display direction handles, which consist of direction lines that end in direction points. The angle and length of the direction lines determine the shape and size of the curved segments. Moving the direction points reshapes the curves. Direction lines don’t appear in the final output.

A smooth point always has two direction lines, which move together as a single, straight unit. When you move a direction line on a smooth point, the curved segments on both sides of the point are adjusted simultaneously, maintaining a continuous curve at that anchor point.

In comparison, a corner point can have two, one, or no direction lines, depending on whether it joins two, one, or no curved segments, respectively. Corner point direction lines maintain the corner by using different angles. When you move a direction line on a corner point, only the curve on the same side of the point as that direction line is adjusted.

After selecting an anchor point (left), direction lines appear on any curved segments connected by the anchor point (right).
After selecting an anchor point (left), direction lines appear on any curved segments connected by the anchor point (right).

Adjusting direction lines on a smooth point (left) and a corner point (right)
Adjusting direction lines on a smooth point (left) and a corner point (right)

Direction lines are always tangent to (perpendicular to the radius of) the curve at the anchor points. The angle of each direction line determines the slope of the curve, and the length of each direction line determines the height, or depth, of the curve.

Moving and resizing direction lines changes the slope of curves.
Moving and resizing direction lines changes the slope of curves.

Note:

In Illustrator, you can show or hide anchor points, direction lines, and direction points by choosing View > Show Edges or View > Hide Edges.

Specify direction line and direction point appearance

When working with anchor points and paths, you may sometimes need to see direction lines (handles), while at other times they may get in the way. You can show or hide direction lines for multiple selected anchor points. For a single anchor point, the lines always appear.

You can choose to show or hide direction lines on a per-selection basis, or you can set a preference for direction line display.

For a video on setting direction lines and points, see www.adobe.com/go/vid0037.

Show or hide direction lines for selected anchor points

  1. Use the Direct Selection tool to select the desired anchor points.

  2. In the Control panel, click Show Handles For Multiple Selected Anchor Points  > or Hide Handles For Multiple Selected Anchor Points .

Note:

You can also set a preference to always show or always hide handles when multiple anchor points are selected.

Set direction point and direction line display preferences

  1. Choose Edit > Preferences > Selection & Anchor Display (Windows) or Illustrator > Preferences > Selection & Anchor Display (Mac OS).

  2. In the Anchor Point And Handle Display area, specify any of the following:

    Handles

    Specifies the display of handle end points (direction points):

    •  Displays direction points as small solid circles.

    •  Displays direction points as large solid circles.

    •  Displays direction points as open crosses.

    Show Handles When Multiple Anchors Are Selected

    Displays direction lines on all selected anchor points when you use the Direct Selection tool or Group Selection tool to select an object. If you don’t select this option, direction lines are displayed for an anchor point if it is the only anchor point selected on that path, or if the Bezier segment for the direction line is selected and the anchor point from which the direction line extends is not selected.

Specify anchor point size preferences

  1. Choose Edit > Preferences > Selection & Anchor Display (Windows) or Illustrator > Preferences > Selection & Anchor Display (Mac OS).

  2. In the Anchor Point And Handle Display area, specify any of the following:

    Anchors

    Specifies the display of anchor points:

    •  Displays both selected and unselected anchor points as small points.

    •  Displays selected anchor points as large points and unselected anchor points as small points.

    •  Displays both selected and unselected anchor points as large points.

    Highlight Anchors On Mouse Over

    Highlights the anchor point located directly below the mouse cursor.

Drawing modes

Illustrator CS5 provides the following drawing modes:

  • Draw Normal () 

  • Draw Behind ()

  • Draw Inside ()

A dotted open rectangle is displayed when an object with Draw Inside mode is active.
A dotted open rectangle like the one shown in the illustration C, is displayed when an object with Draw Inside mode is active.

The Draw Normal mode is the default drawing mode. You can select drawing modes from the Tools panel, below the Color Selector tool.

Drawing Modes panel
Drawing Modes panel

To switch through drawing modes, click the Drawing Modes panel in the Tools panel and select the drawing mode. You can also use the Shift+D keyboard shortcut to cycle through the drawing modes.

Note:

The options, Paste, Paste in Place, and Paste on All Artboardshonor the drawing modes. However, Paste in Front and Paste in Back commands are not affected by the drawing modes.

For a video on using the different drawing modes, see www.adobe.com/go/lrvid5209_ai_en.

Draw Behind mode

The Draw Behind mode allows you to draw behind all artwork on a selected layer if no artwork is selected. If an artwork is selected, the new object is drawn directly beneath the selected object.

The draw behind mode is honored in the following cases:

  • Creating new layers

  • Placing symbols

  • Placing files from the File menu

  • Using Alt+Drag to duplicate objects

  • Using Paste in Place and Paste on All Artboards options

Draw Inside mode

The Draw Inside mode allows you to draw inside the selected object. The Draw Inside mode eliminates the need to perform multiple tasks such as drawing and altering stacking order or drawing, selecting, and creating a clipping mask.

The draw inside mode is enabled only when there is a single selected object (path, compound path, or text).

To create clipping masks using the Draw Inside mode, select the path within which you want to draw and switch to the Draw Inside mode. Subsequent paths are clipped by the path that was selected when you switch to the Draw Inside mode, until you switch to the Draw Normal mode (Shift+D or double-click).

Note:

The clipping masks created using Draw Inside retain the appearance on the clipping path unlike the menu command Object > Clipping Mask > Make.

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