2/2/2024 0 Comments Telecharger qcadAdditional power-user tools including DWG support and enhanced DXF support are available as QCAD Professional through proprietary add-ons. It offers a complete set of general purpose CAD tools and uses the DXF format as its native file format. QCAD 3.1 is an easy to use, complete 2D CAD system for Windows, Mac OS X and Linux. ![]() QCAD 3.1 adds various improvements and new features to QCAD but probably the most important news today is that starting with QCAD version 3.1, QCAD is now available under the GPLv3 (open source software) as a free download to anyone. QCAD version 3.1 has been released today! I hope these tools will further boost your productivity! In this example, the innermost circle is chosen, shown in green. QCAD previews all eight possible solutions so that the desired solution can be chosen by simply clicking next to it. In the example at the right, the three dark blue circles were chosen as tangential circles. QCAD lets you pick the desired solution in the final step of the appropriate tool. ![]() The problem to create circles that are tangential to three given circles, lines or points is sometimes referred to as the ' Problem of Apollonius' and has been solved by various mathematicians over the centuries.ĭepending on the exact geometry of the tangential entities, there can be multiple (not always obvious) solutions to the problem. Perhaps surprisingly, most of these solutions are not at all straight-forward to find without the use of a CAD system. QCAD 3.2 has been released this week with four new circle tools:Ĭircle tangential to an entity and through two points.Ĭircle tangential to two entities and through a point.Ĭircle tangential to two entities with given radius. This preference can be adjusted under Edit - Application Preferences - Graphics View - Appearance - Linetypes - Auto switch linetypes. Since this view mode mostly makes sense for users working in units other than Millimeters, Centimeters or Inches and only when working in the model view, there is also a new application wide preference available to automatically switch this view mode on when working in the model view and switch it off when working in the print preview. Zooming in and out has no effect on the density of the pattern in this view mode. This means that dashes are defined in pixels rather than drawing units. Once this view mode is activated, QCAD displays dashed lines with screen based dashes. Starting with QCAD 3.4, you can use the new view mode to switch from drawing unit based linetypes to screen based linetypes. To show the line pattern, you would have to switch to the print preview and adjust the drawing scale appropriately. However, in the model view, the line pattern is too dense to be visible. Interiors are shown with a dash line pattern. In such drawings, linetype patterns are usually too small or too large to be visible in model view.Ĭonsider the floorplan at the right which is constructed in Meters. This is particularly useful for users who are working in larger or smaller units than Millimeters, Centimeters or Inches. The new view mode displays a drawing using screen-based linetypes instead of drawing unit based linetypes: QCAD 3.4 has been released today with a new view mode and support for custom properties.
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