1. More on Graphs, Pen, Brush, Pathfinder, Symbols
CSC020, Computer Graphics
More on Graphs,
Pen, Brush, Pathfinder,
Symbols 1

2. Graph Types Select a graph tool.
The tool you use initially determines the type of graph Illustrator generates
however, you can easily change the type of graph later on. 2

3. Graphs Dimensions Define the dimensions of the graph
Drag diagonally from the corner where you want the graph to begin to the opposite corner.
Option‑drag (Mac OS) to draw from its center.
Hold down Shift to constrain the graph to a square.
Click where you want to create the graph.
Enter a width and height for the graph, and click OK.
Click the Apply button , or press the Enter key on the numeric keypad to create the graph. 3

4. Graph Data Enter data for the graph in the Graph Data window.
Graph data must be arranged in a specific order, which varies by graph type.
The Graph Data window stays open until you close it. This allows you to easily switch between editing graph data and working on the artboard.
Display the Graph Data window for an existing graph: select the entire graph with the Selection tool, and then choose Object > Graph > Data 4

5. Graph Data Enter data for the graph in the Graph Data window.
Graph data must be arranged in a specific order, which varies by graph type.
Options can be edited with Object->Graph->Type
Make sure data window is closed
The Graph Data window stays open until you close it. This allows you to easily switch between editing graph data and working on the artboard.
Display the data the Graph Data window for an existing graph: select the entire graph with the Selection tool, and then choose Object > Graph > Data 5

6. Graph Data by Chart Type
For additional details see the Adobe Tutorial 6

7. Pen Tool Type “p” to get the Pen Tool
Create an open or closed shape with the pen tool. Hold Shift key for 45 degree angles.
Single clicks create corner vertices.
Dragging creates rounded vertices.
Esc to end
Control panel has icons for corner / curved vertices.
Cut actually removes vertices or segments.

8. More Pen Tool
Hover over a vertex or a path segment to get Pen+ and Pen- (while the path is ”active”)
Use Pen+ tool to add vertices to a segment.
Use Pen- tool to weld over vertices on a segment. This works with any shape.
Press alt/option to get the Anchor Point Tool
Hold spacebar to move an anchor point
Switch between “p” (for Pen Tool) and “v” or “a” to reselect path after completion (esc)

9. Paintbrush Tool (Merging and Splitting)
Draw two Brush Strokes with neighboring but unconnected endpoints.
Direct Select the neighboring endpoints.
Hold “shift” to add to selection
Control Panel Connect Selected Endpoints.
Direct Select some vertices.
Control Panel Cut Path (scissors).
Note two-level pull-down-menus to load graphics libraries for stroke and fill.

10. Blob Brush vs. Paintbrush
Paintbrush creates paths with a brush stroke applied
Can modify the brush type in the control panel
Blob Brush creates brush strokes that are immediately converted to paths
Select it to see the path outline
Note: Object -> Expand Appearance will convert a Paintbrush stroke to a path outline

11. Pathfinder Window -> PathFinder.
Create some overlapping filled rectangles.
Select them all & try Pathfinder Shape Modes.
Stay in Select mode, use Undo, another Shape Mode.
Pathfinders actions.
Use two overlapping rectangles with fat stroke and fill.
Pay attention to which one is in front.
Use Object -> Arrange if necessary.
Some actions convert an object to a clipping mask.

12. Symbols Window -> Symbol.
Use pull-down to display Symbol Libraries.
Sprayer sprays symbols into a Layer “Symbol Set” Other symbol transforms manipulate symbols, double click icon to modify parameters.
Alt / Option reverses effect.
Alt / Option on sprayer deletes symbol of the type selected from the symbol library. 12