standard logo    Personal Education


Intro to Inkscape 1.1

Paths instead of Objects

Video:
You may also wish to view the August 2021 NatickFOSS Youtube recorded meeting video (39:28 minutes into the video for the Inkscape segment). Also, if you need to review the basics: Inkscape Objects

In the last meeting's presentation, we explored the basics of the object type: rectangles, circles, polygon/stars, etc. I think it might be wise to begin with the rectangle again as we start to explore paths. The rectangle serves as an example of how the object shapes all work.

Once you make a basic rectangle, you can adjust it by using the "handles" which appear at the corners. There are two box handles. Each of them adjusts the dimensions of the shape. The round handle controls the roundness of all four corners of the rectangle. (There are actually two round handles. The first is most often used, and once it has been pulled downward on the right edge, the second round control is revealed and usable. The second round handle actually just modifies the top and bottom curvature. I find I use it less often than just the primary round handle.

rectangle control handles rounding the rectangle

We are trying to keep a relatively narrow focus here, so will leave discussion of the handles of stars, ellipses, etc. until a later presentation.

The next major step is to look at paths. We will do it by beginning in the context of our basic rectangle. There is a Paths menu item. When you click on that, a series of options will appear. The very first one is our focus here: Object to Path (Shift+Ctrl+C). When you select that option, the handles of the object change in an important way. The rectangle "loses" its object control handles.

Note:
I won't dwell on the keyboard shortcuts here, but you may find you will use some of them much more than the GUI menu.

object to path menu option lost handles

While the object handles have been "lost", they have actually been replaced by path handles. To see the new path handles, you need to go to the toolbar running down on the left side of the screen. Over time you will need to know how each one works, but we'll only check out a minimum of them today. The one we need now is the Edit paths by node". When you click that toolbar button, the former rectangle object will reveal its new path node handles, in this case, one at each corner.

path nodes pull path node

The color of the shape is under your control. I've chosen yellow from the color bar along the screen. Shades from black through several grays to white along with the core colors begin at the left. A huge number of color pallets are available as you scroll to the right. You can also add an outline for the current shape by holding down the shift key as you click the color. Right click the Stroke value. You'll get a context menu of stroke thicknesses. The default unit of measure is millimeters (mm), but you can control that to your liking. I often work in pixels, myself.

choose stroke thickness

The existing nodes can be pulled, but the node tool has much more power over the shapes, too. A double click, anywhere along an edge, will add a new control node. Nodes can also be removed. While the node is selected, there is a toolbar full of node options. Knowing all about them will take practice. Remember that this presentation is an attempt to focus on just a few steps at once.

path nodes path nodes add path nodes remove

Next we'll transition into another path tool, one which lets us create a new path from scratch instead of converting from an existing shape. Find the Draw bezier curves and straight lines tool. (It is pronounced "bezz-e-ay" because it is from French.) Then click on the screen. It will put a start node in place. Move a way and click again.

Bezier tool Bezier add node

Do it again, gradually working around a space, and ultimately return to the original node. The default "Snap to node" will help you position the mouse pointer where the original start node was.

Bezier add node Bezier add node

Next, we are going to do some modifications to the path, particularly to explore the "curve" idea.

Bezier add node Bezier add node Bezier add node

Wrapping it up, let's look at the layering of Inkscape. At the basic level, every new shape is created at its own level and the newest is "on top". I'm going to add a circle on top of the most recent shape to begin to build a clipart.

create clipart1 Bezier add node create clipart2b create clipart3