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< h1 > Sketcher< / h1 >
< p > < span style = "font-size: 12pt;" > < font size = 3 style = "font-size:12pt;" > < b style = "font-weight: bold;" > < img src = "i_blue.jpg" x-maintain-ratio = "TRUE" x-save-file = "TRUE" x-save-method = "compute-relative" width = "30px" height = "30px" border = "0" class = "img_whs1" > < / b > < / font > < / span > Sketcher allows to create curves of 2 types: line
segment and arc. The
curve is created from the current point (center of coordinates when the
sketcher is started). The
end of the curve is defined by means of " destination" , which
can be a destination point (for segment only) or destination direction
coupled with length of a segment or angle and radius of an arc.< / p >
< p > < / p >
< p > Sketcher is able to create planar curves only. Therefore, it is necessary
to select a working plane before starting a sketch (by default, XOY plane
is used). Sketcher creates curves lying in the current working plane (New
Entity -> Basic -> Working Plane).< / p >
< p > < / p >
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< p > This functionality is available from the main menu via < span style = "font-style: italic;" > < I > New
Entity / Sketch.< / I > < / span > < / p >
< p > < / p >
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< p class = "whs2" > < b > < span style = "font-weight: normal;" > T< / span > < / b > < b > < span
style="font-weight: normal;">he< / span > Result < span style = "font-weight: normal;" > of
the operation will be a< / span > < / b > < b > GEOM_Object< / b > .< / p >
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< p > < / p >
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< p class = "whs2" > < b style = "font-weight: bold;" > TUI Command:< / b > < i >
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< / i > < span style = "font-style: italic;" > < I > geompy.MakeSketcher(Command, WorkingPlane)< / I > < / span > < / p >
< p class = "whs3" > This algorithm creates
a sketcher (wire or face), following the textual description, passed through
the Command argument. The edges of the resulting wire or face will be
arcs of circles and/or linear segments.< / p >
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< p class = "whs3" > < span style = "font-style: italic;" > < I > Command< / I > < / span >
is a string, defining the sketcher by the coordinates of points in the
local working plane.< / p >
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< p class = "whs3" > < span style = "font-style: italic;" > < I > WorkingPlane< / I > < / span >
is a planar face of the working plane (a list of 9 doubles which are coordinates
of OZ and OX of the local working plane).< / p >
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< p class = "whs2" > < / p >
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< p class = "whs2" > < b style = "font-weight: bold;" > Arguments:< / b >
< / p >
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< p class = "whs2" > < span > < font size = 3 style = "font-size:12pt;" > 1. Element type (segment or arc).< / font > < / span > < / p >
< p class = "whs2" > 2. Destination type (point or direction).< / p >
< p class = "whs2" > 3. < span > Destination point by means of:< / span > < / p >
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< ul type = "disc" class = "whs4" >
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< li class = kadov-p > < p class = "whs2" > absolute coordinates
X,Y;< / p > < / li >
< li class = kadov-p > < p class = "whs2" > relative coordinates
DX, DY (with respect to the current point);< / p > < / li >
< li class = kadov-p > < p class = "whs2" > selection of an existing
point.< / p > < / li >
< / ul >
< p class = "whs2" > 4. Destination direction by means of:< / p >
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< ul type = "disc" class = "whs4" >
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< li class = kadov-p > < p class = "whs2" > angle between the new
segment and the previous one;< / p > < / li >
< li class = kadov-p > < p class = "whs2" > perpendicular to the
previous segment (same as previous, but angle is predefined and is equal
to 90 degrees);< / p > < / li >
< li class = kadov-p > < p class = "whs2" > tangent to the previous
segment;< / p > < / li >
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< li class = kadov-p > < p class = "whs2" > vector components DX,
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DY.< / p > < / li >
< / ul >
< p class = "whs2" > 5. Parameters of an element (for segment :
length or target X or Y coordinate value, for arc : radius and angle).< / p >
< p class = "whs2" > < / p >
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< p class = "whs2" > < b style = "font-weight: bold;" > Dialog Box:< / b > < / p >
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< p class = "whs2" > < / p >
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< p class = "whs5" > < img src = "pics/neo-scetcher1.png" x-maintain-ratio = "TRUE" width = "321px" height = "496px" border = "0" class = "img_whs6" > < img src = "pics/neo-scetcher2.png" x-maintain-ratio = "TRUE" width = "321px" height = "496px" border = "0" class = "img_whs6" > < / p >
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< p class = "whs7" > < / p >
< p class = "whs8" > Example:< / p >
< p class = "whs9" > < / p >
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< p class = "whs9" > < img src = "image204.jpg" width = "200px" height = "200px" border = "0" class = "img_whs10" > < img src = "image206.jpg" width = "200px" height = "200px" border = "0" class = "img_whs10" > < / p >
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< p class = "whs9" > < / p >
< p class = "whs2" > Our < span style = "font-weight: bold;" > < B > TUI Scripts< / B > < / span >
provide you with useful examples of the use of < a href = "sketcher_tui.htm" > Sketcher< / a > .
< / p >
< p > < / p >
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