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Drawing concentric circles

From: Illustrator CS4 One-on-One: Fundamentals

Video: Drawing concentric circles

In this exercise, we are going to draw these three concentric circles in one operation using this tool right here, which is the Polar Grid tool. So we have two Grid tools to choose from; one's Rectangular and one's Polar. They both work in roughly the same manner. So I'm going to demonstrate the more interesting of the two, where Horus is concerned anyway, which is the Polar Grid tool. I am working inside of a document that represents my progress so far. It's called Now for the iris.ai, because now it's time to draw the iris. Now, I'm going to grab this Polar Grid tool right here and I'm going to draw with it and you can see that it draws this kind of polar grid like sort of a radar screen.

Drawing concentric circles

In this exercise, we are going to draw these three concentric circles in one operation using this tool right here, which is the Polar Grid tool. So we have two Grid tools to choose from; one's Rectangular and one's Polar. They both work in roughly the same manner. So I'm going to demonstrate the more interesting of the two, where Horus is concerned anyway, which is the Polar Grid tool. I am working inside of a document that represents my progress so far. It's called Now for the iris.ai, because now it's time to draw the iris. Now, I'm going to grab this Polar Grid tool right here and I'm going to draw with it and you can see that it draws this kind of polar grid like sort of a radar screen.

Let's actually undo that to move off of the page, so we don't have Horus in our way, we can just sort of, see this blank area here in the pasteboard and I'm going to draw. Now the various ways to use this tool, of course, you can press the Spacebar in order to move the thing around on the fly. If you press and hold the Alt key or the Option key as you are drawing, you are going to draw from the center outward as opposed to inside of a bounding box from corner to corner. Then if you press the Shift key, you are going to constrain the shape to circles as opposed to ellipses. So there is the Shift key down, there is it released. We also have the option of pressing the Up- arrow to add concentric circles or the Down-arrow to remove them. And if you want to change the number of rays, you press the Left-arrow key to remove rays and the Right-arrow key to add them.

Then we have some truly bizarre keyboard trick. You have got the F key, and notice what we are doing, we are squishing the rays with the F key and then if we want to spread them back out, you press the V key to move them back. So I'm pressing the F and V keys here and of course, I have the mouse button down still during all of this. And then for the concentric circles, you press the C key to squish them outward like the C as in cat or circles; whatever and then you press the X to move them inward.

All right, so I have them use myself. I don't really consider those to be terribly useful functions but they are there and of course, after you get done drawing, you can press Backspace key to get rid of it, the Delete on the Mac. You can click with the tool in order to specify the Concentric Dividers, which what I'm calling the concentric circles and the number of concentric circles and the Skew. That whole thing I showed you with the C and X keys in this case, that was controlling the skew value. You should reset it to zero and the Radial Dividers which is of rays, we have the number of them set to 10 right now, in my case and you want to make sure the skew which you adjusted with the F and V keys that, that is set to 0% as well and then click OK. I mean, if you had to reset these guys, the skew values, then just click OK in order to generate the shapes, so that's done. Backspace it, delete it, let's go back to Horus.

Now what do we want to do for Horus. Well, we can exactly match to this guy pretty easily, actually. So check this out; first of all, we are going to press and hold the Alt key or the Option key on the Mac and drag outward, so that we are going from the center outward and we are starting right there at that center where the two guides intersect. Actually, it's the four guides intersect at this location because it's kind of a four corners thing that we have going. And I'm keeping the Alt key down or the Option key on the Mac, keep it down, then you've got to press the Shift key and keep it down too. So I have got Shift and Alt down. That would be Shift and Option down on the Mac. I'm kind of out of hands, because I have one hand over here on the mouse and other hand over on these keys, but I need to go, press the arrow keys to get rid of some rays and stuff and some concentric circles.

So I'm going to have to abandon the Shift and Alt keys for a moment. That would be abandon Shift and Option for a moment, then let's focus on the arrow keys and I'm going to press the Left-arrow key as many times as it takes to get rid of the rays entirely. See, how you can do that? You can send them down from three, two, one, zero, just by pressing the Left-arrow key to get rid of them and then we need just three concentric circles, so I'm going to press the Down-arrow key as many times as it takes to get us three concentric circles which is what we see there. Now go back to pressing Shift and Alt at the same time and just align them to the best of your ability, keep the Shift and Alt keys down, that Shift and Option on the Mac, keep them down, release the mouse button and then release the keys and the deed is done. We have drawn three concentric circles with one tool in one clean operation, all be at one, that included a lot of pressing of keys using this amazing actually Polar Grid tool here inside Illustrator.

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This video is part of

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Illustrator CS4 One-on-One: Fundamentals

182 video lessons · 37883 viewers

Deke McClelland
Author

 
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  1. 42m 7s
    1. Welcome to One-on-One
      1m 58s
    2. The Welcome screen
      3m 2s
    3. Creating a new document
      5m 6s
    4. Advanced document controls
      4m 43s
    5. Saving a custom New Document Profile
      8m 46s
    6. Changing the document setup
      4m 21s
    7. Special artboard controls
      4m 58s
    8. Accepting artboard changes
      2m 19s
    9. Saving a document
      4m 33s
    10. Closing a document
      2m 21s
  2. 1h 0m
    1. Adobe Bridge
      56s
    2. Opening an illustration
      4m 45s
    3. Modifying an illustration
      6m 27s
    4. Saving changes
      4m 58s
    5. Introducing Adobe Bridge
      8m 41s
    6. The all-important file type associations
      3m 20s
    7. Navigating inside Bridge
      4m 23s
    8. Previewing and collecting
      5m 55s
    9. Using workspaces
      6m 41s
    10. Customizing a workspace
      6m 14s
    11. Cool Bridge tricks
      8m 17s
  3. 1h 4m
    1. Preferences, color settings, and workspaces
      35s
    2. Keyboard increments
      5m 12s
    3. Scratch disks
      3m 48s
    4. Changing the user interface and setting Appearance of Black
      4m 14s
    5. Best workflow color settings
      9m 17s
    6. Synchronizing settings across CS4
      3m 2s
    7. Working inside tabbed windows
      7m 14s
    8. Organizing palettes
      5m 4s
    9. Saving a custom workspace
      4m 12s
    10. Zooming and panning
      4m 19s
    11. Using the Zoom tool
      3m 3s
    12. Navigating the artboards
      5m 5s
    13. Nudging the screen image
      3m 3s
    14. Scroll-wheel tricks
      2m 8s
    15. Cycling between screen modes
      4m 39s
  4. 1h 22m
    1. The Wedjat (or Eye of Horus)
      55s
    2. The line tools
      2m 57s
    3. Introducing layers
      5m 10s
    4. Creating ruler guides
      6m 18s
    5. Creating custom guides
      5m 16s
    6. Snap-to points
      5m 25s
    7. Organizing guides
      5m 43s
    8. Making a tracing template
      3m 42s
    9. Drawing a line segment
      4m 29s
    10. Drawing a continuous arc
      5m 28s
    11. Drawing a looping spiral
      6m 5s
    12. Cutting lines with the Scissors tool
      6m 20s
    13. Joining open paths
      7m 31s
    14. Aligning and joining points
      6m 34s
    15. Drawing concentric circles
      4m 41s
    16. Cleaning up overlapping segments
      5m 34s
  5. 1h 4m
    1. The anatomy of a shape
      1m 1s
    2. Meet the shape tools
      3m 5s
    3. The traceable Tonalpohualli
      2m 52s
    4. Drawing circles
      4m 38s
    5. Enhanced Smart Guides
      4m 1s
    6. Aligning to a key object
      4m 29s
    7. Creating polygons and stars
      5m 4s
    8. Using the Measure tool
      3m 47s
    9. The Select Similar and Arrange commands
      3m 56s
    10. Rectangles and rounded rectangles
      6m 8s
    11. The amazing constraint axes
      5m 26s
    12. Grouping and ungrouping
      3m 35s
    13. Flipping and duplicating
      4m 12s
    14. Combining simple shapes into complex ones
      5m 24s
    15. Cutting and connecting with Scissors and Join
      3m 31s
    16. Tilde-key goofiness
      2m 53s
  6. 1h 41m
    1. The ingredients of life
      54s
    2. Fill and Stroke settings
      4m 22s
    3. Transparency grid and paper color
      5m 47s
    4. The None attribute
      5m 4s
    5. Color libraries and sliders
      3m 39s
    6. Industry-standard colors
      4m 38s
    7. Using CMYK for commercial output
      6m 39s
    8. Using RGB for the web
      7m 23s
    9. Color palette tips and tricks
      7m 18s
    10. Creating and saving color swatches
      4m 35s
    11. Trapping gaps with rich blacks
      6m 46s
    12. Filling and stacking shapes
      5m 38s
    13. Dragging and dropping swatches
      5m 0s
    14. Paste in Front, Paste in Back
      4m 54s
    15. Filling shapes inside groups
      5m 28s
    16. Pasting between layers
      4m 41s
    17. Joins, caps, and dashes
      6m 50s
    18. Fixing strokes and isolating edits
      7m 12s
    19. Creating a pattern fill
      4m 57s
  7. 1h 50m
    1. The power of transformations
      1m 20s
    2. From primitive to polished art
      2m 42s
    3. Using the Blob brush
      5m 46s
    4. Resizing the brush and erasing
      4m 15s
    5. Selection limits and methods of merging
      6m 39s
    6. Cloning and auto-duplicating
      6m 45s
    7. Customizing keyboard shortcuts
      3m 7s
    8. Moving by the numbers
      5m 15s
    9. Using the Reshape tool
      7m 47s
    10. Modifying, aligning, and uniting paths
      7m 14s
    11. Using the Offset Path command
      4m 43s
    12. Styling and eyedropping
      5m 28s
    13. Making a black-and-white template
      2m 27s
    14. Scale and clone
      4m 57s
    15. Enlarge and stack
      5m 46s
    16. Positioning the origin point
      6m 59s
    17. Using the Rotate tool
      3m 55s
    18. Using the Reflect tool
      4m 15s
    19. Series rotation (aka power duplication)
      6m 48s
    20. Rotating by the numbers
      6m 12s
    21. Transforming the tile patterns
      7m 52s
  8. 2h 4m
    1. Next-generation text wrangling
      55s
    2. Placing a text document
      5m 38s
    3. Creating a new text block
      6m 1s
    4. Working with point text
      3m 57s
    5. Selecting the perfect typeface
      5m 48s
    6. Scaling and positioning type
      8m 57s
    7. Leading, tracking, and lots of shortcuts
      5m 54s
    8. Adjusting pair kerning
      6m 55s
    9. Eyedropping formatting attributes
      3m 54s
    10. Flowing text from one block to another
      8m 28s
    11. Creating and applying a paragraph style
      7m 39s
    12. Rendering the text in graphite
      5m 55s
    13. Creating a scribbly drop shadow
      5m 17s
    14. Advanced formatting and bullets
      7m 43s
    15. Setting Area Type options
      4m 57s
    16. Justification and the Every-line Composer
      5m 52s
    17. OpenType and ligatures
      7m 19s
    18. Fractions, numerals, and ordinals
      9m 7s
    19. Swashes and small caps
      5m 40s
    20. The amazing Glyphs palette
      8m 12s
  9. 1h 18m
    1. Points are boys, handles are girls
      1m 20s
    2. Placing an image as a tracing template
      6m 56s
    3. Drawing a straight-sided path
      6m 8s
    4. Moving, adding, and deleting points
      6m 50s
    5. Drawing spline curves with Round Corners
      9m 7s
    6. Smooth points and Bézier curves
      8m 29s
    7. Defining a cusp between two curves
      6m 59s
    8. Replicating and reshaping segments
      8m 30s
    9. Converting anchor points
      7m 55s
    10. Deleting stray anchor points
      5m 1s
    11. Separating and closing paths
      5m 43s
    12. Eyedropping template colors
      5m 55s
  10. 1h 40m
    1. Paths never rest
      1m 34s
    2. Exploring the Appearance palette
      9m 54s
    3. Snip and Spin
      8m 3s
    4. Adding a center point
      4m 12s
    5. Keeping shape intersections
      3m 42s
    6. Lifting fills and selecting through shapes
      5m 54s
    7. Saving and recalling selections
      6m 20s
    8. Rotating is a circular operation
      8m 32s
    9. Lassoing and scaling points
      5m 28s
    10. Using the Transform Each command
      4m 11s
    11. Using the Magic Wand tool
      8m 1s
    12. Eyedropping live effects
      9m 58s
    13. Merging strokes with a compound path
      6m 50s
    14. Selecting and scaling independent segments
      7m 59s
    15. Scalloped edges with Pucker & Bloat
      5m 16s
    16. Expand before you merge
      4m 17s
  11. 1h 26m
    1. The new pleasures of printing
      44s
    2. Outlines and artboards in CS4
      7m 35s
    3. Setting trim size and bleed
      7m 17s
    4. Creating custom dynamic crop marks
      3m 41s
    5. Working with the Separations Preview palette
      7m 42s
    6. Trapping an object with an overprint stroke
      8m 20s
    7. Placing multiple artboards into InDesign
      5m 17s
    8. Working with the Print Tiling tool
      4m 55s
    9. Setting the General Print options
      6m 9s
    10. Setting printer marks
      5m 16s
    11. PostScript-only output and graphics
      9m 10s
    12. The Color Management options
      6m 56s
    13. Adjusting the Flattener settings
      7m 32s
    14. Setting the Raster Effects resolution
      5m 32s
  12. 1h 32m
    1. Illustrator does pixels
      51s
    2. Illustrator, PDF, and Save As formats
      8m 15s
    3. Saving an illustration for the web
      6m 13s
    4. Saving a continuous-tone JPEG image
      10m 1s
    5. Saving a high-contrast GIF graphic
      6m 26s
    6. The versatile PNG format
      4m 45s
    7. Saving a scaleable Flash (SWF) graphic
      11m 0s
    8. Opening and placing an Illustrator file in Photoshop
      12m 44s
    9. Exporting a layered PSD from Illustrator
      12m 57s
    10. Exporting to Microsoft Office and PowerPoint
      7m 24s
    11. Sharing with InDesign, Flash, and Photoshop
      12m 12s
  13. 1m 4s
    1. Until next time
      1m 4s

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