These extensions provide information on a path.
Adds CAD-style dimension arrows to an object. In v0.47, this extension only works on paths; in v0.48, it also works on Shapes and Groups. It uses an object's bounding box to determine placement of arrows. The arrows and original object are placed inside a Group.
This extension draws the handle lines that one would see if editing the nodes of a path. It would be of more use if it included the drawing of the handle and node symbols.
Updated in v0.48.
This extension measures the length or area (added in v0.48) of a path, printing the length or area alongside the path. A dialog allows many options to be set, including Measurement Type (added in v0.48), Font size, Offset (the distance the text is moved away from the path), Precision (number of decimal places shown), Scale Factor, and Length Unit. In calculating the area, open paths are closed and area is added using an even-odd fill rule. (The area of a donut is the area of the outer circle minus the area of the inner circle if the inner sub-path is in the opposite direction of the outer sub-path; otherwise it is the sum of the two areas.)
This extension numbers the nodes of a path. It is useful for creating an old-fashioned Connect-the-Dots puzzle. (It is also an example of how to access the path data in an SVG file for writing your own extension.) The original path is turned into a path with no stroke but with dot markers. The dots are then numbered.
The size of the numbers and the size of the dot markers can be specified.
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