Introduction to Illustrator: Part 1
Excerpted from Vector Basic Training: A Systematic Creative Process for Building Precision Vector Artwork by Von Glitschka. Copyright © 2011. Used with permission of Pearson Education, Inc. and New Riders.
In addition to the HTML version of the excerpt below, you can also download the excerpt as a PDF that retains the full design of the printed book.
Whether you use Adobe Illustrator, CorelDraw, Inkscape—or any other app from an ever-growing list of open source vector drawing programs—before you can control Bézier curves and build vector art successfully, you must become familiar with your core building tools. All of these programs use Bézier curves for vector building. Every vector drawing program gives you the ability to build shapes via anchor points and paths. The difference among programs lies in the additional proprietary tools provided to manipulate points and paths.
For ease of communication, this book uses Adobe Illustrator to showcase the creative process. In this chapter, I’ll tell you about the 12 core Illustrator tools you’ll need to use to build precise vector graphics. If you don’t have Illustrator, 11 of these tools have equivalents in the other vector drawing programs. The few exceptions are the Xtream Path plug-in and the BetterHandles plug-in, which were created specifically for Illustrator.
The 12 Disciples of Design
Each of the 12 tools listed here serves a specific function in the build process.
1. Pen tool (P): Simply put, precise vector building wouldn’t be possible without the Pen tool. You’ll use it to lay down all of your anchor points, one by one, forming a path that makes the vector shape you need (Figure 1).
Figure 1: Pen tool
2. Add Anchor Point tool (+): This tool allows you to add an additional anchor point to any path you have created (Figure 2).
Figure 2: Add Anchor Point tool
3. Delete Anchor Point tool (–): This tool will remove any anchor point from any path you’ve created without breaking the path (Figure 3). I have a beef with this tool. You really shouldn’t need it. This is a case of Illustrator making my life harder than it needs to be. We can only hope that the next version of Illustrator will allow you to simply highlight an anchor point and hit Delete—no special tool required to make it happen.
Figure 3: Delete Anchor Point tool
You can also select your anchor points and click “Remove selected anchor points” from the Control panel menu at the top of your screen. The results are the same.
4. Convert Anchor Point tool (Shift-C): This tool converts smooth points to corner points. It can also reveal, isolate, manipulate, and/or retract handlebars independently to adjust a Bézier curve (Figure 4).
Figure 4: Convert Anchor Point tool
5. Selection tool (V): Use this tool to scale objects larger or smaller. It also allows you to click or drag to select shapes as individual objects, and you can use it to manipulate handlebars to adjust a Bézier curve (Figure 5).
Figure 5: Selection tool
6. Direct Selection tool (A): This tool lets you directly click or drag to select a specific segment of a path or individual anchor points. It can also reveal, isolate, and manipulate handlebars to adjust a Bézier curve (Figure 6).
Figure 6: Direct Selection tool
7. Rectangle tool (M): This tool will create complete shapes with 90-degree angles (Figure 7).
Figure 7: Rectangle tool
8. Ellipse tool (L): This tool will create complete circular or elliptical shapes (Figure 8).
Figure 8: Ellipse tool
9. Pathfinder tool (Shift-Command-F9 or Shift-Control-F9): This tool enables you to create using shape-building techniques (think cookie cutters) using the tool’s Unite, Minus Front, Intersect, and Exclude modes (figures 2.9A–2.9D). There are other functions within the tool, but we’ll only focus on these four shape modes.
Figure 9a: Pathfinder’s Unite shape mode, before and after. Figure 9b: Pathfinder’s Minus Front shape mode, before and after. Figure 9c: Pathfinder’s Intersect shape mode, before and after. Figure 9d: Pathfinder’s Exclude shape mode, before and after. Personally, I never use this function.
10. Rotate tool (R): This tool allows you to define the rotating axis of any selected object and rotate it on the fly or via a specific numerical amount (Figure 10).
Figure 10: Rotate tool
11. Reflect tool (O): With this tool, flip a selected object either horizontally or vertically. You’ll use it mainly for creating symmetrical designs (Figure 11).
Figure 11: Reflect tool.
12. Xtream Path plug-in (CValley Software): This plug-in makes editing and forming your final vector shapes far easier and more precise than Adobe’s own tools (Warp tool, Shift-R). The plug-in comes with many useful tools, but we’ll focus specifically on the Segment Direct Edit tool, Symmetric Edit tool, Round fillet tool, and a drop-down menu object filter it adds called Smart Rounding (Figure 12).
Figure 12: Xtream Path plug-in’s Segment Direct Edit tool, Symmetric Edit tool, Round fillet tool, and the Smart Rounding filter. Xtream Path Plug-in
When I first discovered the Xtream Path plug-in, I knew I had found the Holy Grail of vector building. It has not only made creating vector art within Illustrator easier and more precise, but it’s also proven to be a far superior build method to anything I used to know and love in FreeHand.
FreeHand made editing anchor points and paths easier than Adobe Illustrator did, with fewer tools, less hassle, and in less time. When I switched to Adobe Illustrator, my build time slowed down. The Xtream Path plug-in simplified the Illustrator process with one tool, no hassle, and resulted in a faster build time than either FreeHand or Illustrator provided. Should you use the Xtream Path plug-in? It’s a no-brainer.
The Xtream Path plug-in is a superior tool for editing and shaping vector graphics. The plug-in is well worth the investment (about $140) because the time you’ll save in frustration-free building will more than cover the cost.
The Three Amigos, Plus One
The Xtream Path plug-in is made up of 33 individual tools, but we will use three of these and one drop-down menu in this book. They are:
1. Segment Direct edit tool: This tool allows you to literally grab a vector path anywhere (between two anchor points) and bend it into any freeform shape (Figure 13).
Figure 13: Grab a vector path anywhere between two anchor points and bend the Bézier curve into the specific shape needed to match your drawing. You’ll simply push and pull your paths to form them into your final art (like vector clay, if you will). The functionality is simple, intuitive, and, most importantly, leads to precise vector building.
2. Symmetric edit tool: With this tool, you can grab a path (between two anchor points) and symmetrically distort it evenly in the direction in which you are moving the path (Figure 14).
Figure 14: Evenly distort a path with mathematical precision using the Symmetric Edit tool.
3. Round fillet tool: This tool allows you to drag over independent anchor points and visually round them off on the fly, or you can round off points to an exact specification that you set in the Control panel. It only works on corner anchor points that have no Bézier curves pulled out (Figure 15).
Figure 15: Simple, on-the-fly rounding of vector shapes using the Round fillet tool.
4. Smart rounding filter: This useful filter allows you to select a whole object or just an individual anchor point and round it off— regardless if the path has a Bézier curve on it or not. To access the Smart Rounding filter, select Object > filters > Xtream Path > Smart Rounding (Figure 16). You can also use the Smart Rounding filter to round off any type of path regardless of anchor point types. Either select the whole shape or individual anchor points.
Figure 16: Round off any type of path with the Smart Rounding filter.
In "Introduction to Illustrator: Part 2" I'll show you how to customize Illustrator with tweaks to Preferences and how to set graphic styles. I'll also share some useful keyboard shortcuts, and show you even more tips for getting the most out of the program.
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