"angle1"

[ "angle", "name", [xc, yc], [xs,ys], radius, angle ]

angular dimension consisting of two radial lines, arc with a single arrow and label.

• "name" label text, typeset in MathJax math mode
• [xc, yc] center point
• [xs,ys] end point of radial baseline
• radius radius of the arc
• angle angle in °, counterclockwise from base line.

See also "angle" and "angle2" for versions with no or two arrows.

Example

[  
  [ "grid", "x","y", -5,5,-4,5, 50, [10,10], [0,0] ],
  ["angle1", "\\alpha", [2,-2],[3,-2],0.6,45],
  ["point", "C", [2,-2]],
  ["point", "S", [3,-2]], 
  ["dim", "r", [2,-2],[2.6,-2],-0.6 ]
]