![]() These constraints are more robust and faster to calculate than the ConstrainDistance tool. If applicable please consider using the Horizontal distance or Vertical distance constraints instead. By default the command will be in continue mode to create new constraints press the right mouse button or Esc once to quit the command. To set the perpendicular distance between a point and a line, the point needs to be selected first. Note: the constraint tool can also be started with no prior selection (apart from circle to circle and circle to line cases). A pop up dialog opens to edit or confirm the value.Use the Sketch → Sketcher constraints → Constrain distance entry from the top menu. ![]() Press the Constrain distance button in the Sketcher toolbar.There are several ways to invoke the command:.Pick one line, or one point and one line, or two points, or the edges of two circles, or the edge of one circle and one line.Quick mesure would not open a task dialog (allowing to measure while doing something else), will try to auto detect what type of measurement is desired based on selection (optionally allowing switching between them with a keyboard shortcut, similar to how polyline tool works in sketcher) and the measurements will be temporary, disappearing as soon as you deactivate the tool.Constrain distance defines the length of a line, the perpendicular distance between a point and a line, the distance between two points, or, introduced in version 0.21, the distance between the edges of two circles or between the edge of a circle and a line. The first activates a task dialog with advanced options to choose which types of measurements to make, to choose to save those measurements as objects in the document and optionally with selection filters. from centerpoint for circles and ellipses and maybe from center of mass of arbitrary faces and middle point of arbitrary edgesĪs for interface I would like to have at least two measurement commands: "Measure" and "Quick measure".Part/compound, same as shell/solid but differentiated per shape type.mass (for solids with assigned density).Would be a good idea to describe desired interface, measurement modes and such. Experience in using CAD software is beneficial.Familiarity with any or all of the following will be helpful.Understand of FreeCAD API is obviously beneficial.Programming languages are C++ and Python.This work will provide an introduction to the FreeCAD code base and the use of supporting software such as OpenCascade and Qt. Work must be repeated, for example in creating a Dimension in a drawing when the corresponding measurement already exists in the 3D model.The Protractor tool ( ) enables you to measure angles. New users find the diversity of measuring tools confusing. With the Tape Measure tool ( ), you can measure a distance and set precise guide lines or guide points.Individual workbenches have created measurement tools that filled the needs of that workbench only.A single method of measuring objects would smooth workflow and reduce learning time. There are currently several ways of measuring objects in FreeCAD: Draft Dimensions, TechDraw Dimensions, Manipulator Caliper, Measure Distance, Measure Linear, etc. This page is describes a potential Google Summer of Code project regarding upgrades to FreeCAD's measurement functions.
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