Here is an example of a realization, a vacuum adapter for a mitre sawįor parametric 3D design, Freecad is a very good free and open source software. The only drawback is that it’s a web service so you need an internet connection. Very fast and easy to use, you take an object, put it on the scene and then add or remove material. We leave it to Inkscape to calculate the best layout to have a nice curve.įor quick designs that don’t necessarily require high precision, I use Tinkercad which is a free web service from Autodesk. As we have seen, we have a “true” tangent (in the mathematical sense of the term) at the level of the node. The two tangents are linked in terms of angle (they are aligned with the knot) but one can be longer than the other. This will make it possible to have a marked angle at the place of this point. This means that you can move one of the two handles without modifying the first. The two tangents of the point are made independent. Let’s take a look at these icons one by one: To finish, click on the “7” icon (make systemic). Surprise? Yes, a little bit: we just made a new tangent appear for each point to describe the segment we are working on. Guess which one we need? Well, yes: the second one. The first one is used to force a segment between two points to be straight, the second one forces it to take a rounded shape. To get to the third step, look at the icons marked with a “9”. You can see that the two points have only half-tangents, which is why there is a line segment between them. Above, the first plot is what you had before you “repaired” (the second plot).
To close this gap, select the two nodes and click the “3” icon: the continuity of the path has been repaired! That’s cool! However, the line is no longer harmonious because the recreated segment is a straight line… Not very pretty, but it is easy to fix. The “gap” is larger: it is exactly the distance between the two selected points. Select two nodes that follow each other and click on the “4” icon (delete a segment). Let’s move on to icons “3” and “4”, which work in much the same way, but which operate on a segment rather than a point. At this point, just on one point, it’s not destructive… at least, it’s not too obvious. To fix this “hole” in the plot, select the two points and click on the icon marked “1” (join nodes). Move the “visible” one slightly to see the second one. It’s hard to tell because the two dots are on top of each other. Click on it: where there was one point, there are now two, determining the ends of two paths, which are in fact only one, but broken.
With this point selected, let’s look at the icon marked with a red “2”. Nodes and segment, path control handles (tangents). You start the program, you select the capture type and it’s all (after, you can edit, rename, crop,…): Simply select a region with your mouse or enter the desired dimensions into the input fields. The built-in editor also includes a tool to crop your screenshot. Shutter offers a specific auto-increment shape that can be added to the screenshot. When writing a step-by-step guide people often add incremental digits to the screenshots (usually via text). Every shape can be customized by changing the color, fonts and/or the line width.ĭon’t want to show sensitive data like IP or e-Mail addresses? Shutter gives you two simple but effective tools to hide this data. rectangles, lines etc.), arrows or text to your screenshot. The built-in editor allows you to add primitives (e.g. Shutter uses gnome-web-photo to capture a website without opening a browser window During this time you can open the desired menu or let a specific tooltip come up. You select one of the options and a (user-defined) countdown starts. It is even possible to simply select a window from a list and capture it right a way.Ĭapturing menus or tooltips is very easy with Shutter. Shutter will highlight the currently select window in an attractive and useful way. Simply use your mouse to select the window you want to capture. Shutter does not only capture all the contents of your desktop (or workspace) – it also supports Multi-monitor settings, e.g. The screen can be zoomed and the selection can be resized or moved. This allows you to select an arbitrary region of your screen and capture only those parts you really need. Shutter is free, open-source, and licensed under GPL v3. You can take a screenshot of a specific area, window, your whole screen, or even of a website – apply different effects to it, draw on it to highlight points, and then upload to an image hosting site, all within one window. Shutter is a feature-rich screenshot program for Linux based operating systems such as Ubuntu. Invention, intellectual property and income Nodes and segment, path control handles (tangents).ġ5.
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