The findMidpoint function (used by Draft_Snap_Midpoint) only worked for straight and circular edges. With this revision the midpoint of all edges can be found.
Found via `codespell -q 3 -L aci,ake,aline,alle,alledges,alocation,als,ang,anid,apoints,ba,beginn,behaviour,bloaded,bottome,byteorder,calculater,cancelled,cancelling,cas,cascade,centimetre,childs,colour,colours,commen,connexion,currenty,dof,doubleclick,dum,eiter,elemente,ende,feld,finde,findf,freez,hist,iff,indicies,initialisation,initialise,initialised,initialises,initialisiert,inout,ist,kilometre,lod,mantatory,methode,metres,millimetre,modell,nd,noe,normale,normaly,nto,numer,oder,ontop,orgin,orginx,orginy,ot,pard,parms,pres,programm,que,recurrance,rougly,seperator,serie,sinc,strack,substraction,te,thist,thru,tread,uint,unter,vertexes,wallthickness,whitespaces -S ./.git,*.po,*.ts,./ChangeLog.txt,./src/3rdParty,./src/Mod/Assembly/App/opendcm,./src/CXX,./src/zipios++,./src/Base/swig*,./src/Mod/Robot/App/kdl_cp,./src/Mod/Import/App/SCL,./src/WindowsInstaller,./src/Doc/FreeCAD.uml,./build/doc/SourceDocu`
Draft_PointArray and Draft_TwistedArray have Count problems:
1. Draft_PointArray: Count is always zero.
2. Draft_PathTwistedArray: Number of items is Count+1.
3. Draft_PathTwistedLinkArray: Count is increased whenever object is recomputed.
Also the first item in a twisted array should be unrotated.
The direction of the offset could be faulty if Draft precision=6. Since we are only interested in the side the pointer is on, working with a high precision does not make sense.
* get_referenced_edges(property_value): returns the Edges referenced by the value of a App:PropertyLink, App::PropertyLinkSub or App::PropertyLinkSubList property.
* get_placement_perpendicular_to_wire(wire): returns the placement whose base is the wire's first vertex and it's z axis aligned to the wire's tangent.
* get_extended_wire(wire, offset_start, offset_end): returns a wire trimmed (negative offset) or extended (positive offset) at its first vertex, last vertex or both ends. For example:
get_extended_wire(wire, -100.0, 0.0) -> returns a copy of the wire with its first 100 mm removed
get_extended_wire(wire, 0.0, 100.0) -> returns a copy of the wire extended by 100 mm after it's last vertex
It takes a `Shape` and replicates it around a path, while at the
same time adding a rotation to each copy. This can be used to create
a twisted "ribcage" from a frame-like object, which can be used
in a more complicated `Shape`, for example, a tunnel or bridge
object.
This includes `arcs`, `circle_inversion`, `circles`, `circles_apollonius`,
`circles_incomplete`, `cuboids`, `edges`, `faces`, `fillets`,
`general`, `geometry`, `intersections`, `linear_geometry`,
`offsets`, `sort_edges`, `wires`.
These are added to the `draftgeoutils` Doxygen group so that
the functions contained in each module are listed appropriately
in the automatically generated documentation.
