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weldingSymbols.py
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from dimensioning import *
import previewDimension, selectionOverlay
from dimensionSvgConstructor import arrowHeadSVG, numpy, directionVector
d = DimensioningProcessTracker()
d.registerPreference( 'arrowL1')
d.registerPreference( 'arrowL2')
d.registerPreference( 'arrowW')
d.registerPreference( 'strokeWidth' )
d.registerPreference( 'lineColor' )
d.registerPreference( 'textRenderer' )
class Proxy_weldingSymbol( Proxy_DimensionObject_prototype ):
def dimensionProcess( self ):
return d
d.ProxyClass = Proxy_weldingSymbol
class Command_svg_fun_wrapper: #to make instance method pickalble!
def __init__(self, command ):
self.command = command
def __call__(self, *args, **KWS):
return self.command.generateSvg( *args, **KWS)
maskBrush = QtGui.QBrush( QtGui.QColor(0,160,0,100) )
maskPen = QtGui.QPen( QtGui.QColor(0,160,0,100) )
maskPen.setWidth(0.0)
maskHoverPen = QtGui.QPen( QtGui.QColor(0,255,0,255) )
maskHoverPen.setWidth(0.0)
weldingCmds = []
class WeldingSymbol_prototype:
def Activated(self):
V = getDrawingPageGUIVars()
d.activate(V, dialogTitle='Add Welding Note', dialogIconPath=self.generateIcon(), endFunction=self.Activated )
d.proxy_svgFun = Command_svg_fun_wrapper(self)
from grabPointAdd import Proxy_grabPoint
selectionOverlay.generateSelectionGraphicsItems(
dimensionableObjects( V.page ) + [obj for obj in V.page.Group if hasattr(obj,'Proxy') and isinstance( obj.Proxy, Proxy_grabPoint) ],
self.selectFun ,
transform = V.transform,
sceneToAddTo = V.graphicsScene,
doPoints=True, doMidPoints=True,
pointWid=1.0,
maskPen=maskPen,
maskHoverPen=maskHoverPen,
maskBrush = maskBrush #clear
)
selectionOverlay.addProxyRectToRescaleGraphicsSelectionItems( V.graphicsScene, V.graphicsView, V.width, V.height)
def selectFun(self, event, referer, elementXML, elementParms, elementViewObject ):
viewInfo = selectionOverlay.DrawingsViews_info[elementViewObject.Name]
d.selections = [ PointSelection( elementParms, elementXML, viewInfo) ]
selectionOverlay.hideSelectionGraphicsItems()
previewDimension.initializePreview(
d,
self.preview_svgRenderer,
self.preview_clickHandler )
noSelections = 4
def preview_clickHandler( self, x, y ):
d.selections.append( PlacementClick( x, y) )
if len(d.selections) == self.noSelections:
return 'createDimension:%s' % findUnusedObjectName('weld')
def preview_svgRenderer(self, x, y):
s = d.selections + [ PlacementClick( x, y) ] if len(d.selections) < self.noSelections else d.selections
return self.generateSvg(
*selections_to_svg_fun_args(s),
**d.dimensionConstructorKWs
)
def getScaleFactor( self, textRenderer):
xml = textRenderer(0,0,"Q")
svgText = SvgTextParser( xml )
return svgText.width()*2
def svgLine(self, x1, y1, x2, y2):
return '<line x1="%f" y1="%f" x2="%f" y2="%f" style="stroke:%s;stroke-width:%1.2f" />' % (x1, y1, x2, y2, self.svg_lineColor, self.svg_strokeWidth )
def svgCircularArc(self, cx, cy, r, dStart, dEnd): #with d denoting degrees
largeArc = abs(dEnd - dStart) >= 180
sweep = dEnd > dStart
theta1 = dStart * numpy.pi/180
theta2 = dEnd * numpy.pi/180
x1 = cx + r * numpy.cos(theta1)
y1 = cy + r * numpy.sin(theta1)
x2 = cx + r * numpy.cos(theta2)
y2 = cy + r * numpy.sin(theta2)
return '<path d = "M %f %f A %f %f 0 %i %i %f %f" style="stroke:%s;stroke-width:%1.2f;fill:none" />' % (x1,y1,r,r,largeArc,sweep, x2,y2, self.svg_lineColor, self.svg_strokeWidth )
def generateSvg(self, c_x, c_y, radialLine_x=None, radialLine_y=None, tail_x=None, tail_y=None, weldingMarker_x=None, weldingMarker_y=None,
arrowL1=3,arrowL2=1,arrowW=2, svgTag='g', svgParms='', strokeWidth=0.5, lineColor='blue', textRenderer=None):
self.svg_lineColor = lineColor
self.svg_strokeWidth = strokeWidth
XML_body = []
if radialLine_x <> None and radialLine_y <> None:
XML_body.append( self.svgLine(radialLine_x, radialLine_y, c_x, c_y) )
d = directionVector(
numpy.array([ c_x, c_y]),
numpy.array([radialLine_x, radialLine_y]),
)
XML_body.append( arrowHeadSVG( numpy.array([c_x, c_y]), d, arrowL1, arrowL2, arrowW, lineColor ) )
if tail_x <> None and tail_y <> None:
XML_body.append( self.svgLine( radialLine_x, radialLine_y, tail_x, radialLine_y) )
if weldingMarker_x <> None:
self.radialLine_x = radialLine_x #storing values incase self.weldingMarkerSvg needs them
self.radialLine_y = radialLine_y
self.tail_x = tail_x
self.tail_y = tail_y
XML_body.append( self.weldingMarkerSvg( weldingMarker_x, radialLine_y, lineColor, strokeWidth, textRenderer) )
return '''<%s %s >
%s
</%s> ''' % ( svgTag, svgParms, "\n".join(XML_body), svgTag )
def generateIcon(self):
fn = os.path.join( iconPath, 'welding', self.label.replace(' ','_')) + '.svg'
if not os.path.exists(fn):
svgParameters = ' xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:cc="http://creativecommons.org/ns#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:svg="http://www.w3.org/2000/svg" xmlns="http://www.w3.org/2000/svg" xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd" xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" width="48px" height="48px" version="1.1" '
xml = self.generateSvg(
c_x=-10, c_y=58, radialLine_x=0, radialLine_y=36, tail_x=48, tail_y=36, weldingMarker_x=24, weldingMarker_y=36,
arrowL1=12,arrowL2=6,arrowW=8, svgTag='svg', svgParms=svgParameters, strokeWidth=2, lineColor='blue',
textRenderer=SvgTextRenderer( font_size='24px' )
)
f = open(fn,'w')
f.write(xml)
f.close()
return ':/dd/icons/welding/' + self.label.replace(' ','_') + '.svg'
def GetResources(self):
return {
'Pixmap' : self.generateIcon(),
'MenuText': 'symbol - %s' % self.label,
}
def addWeldingCommand( WeldingClass ):
name ='DrawingDimensioning_weldingSymbol%02i' % (len(weldingCmds))
FreeCADGui.addCommand(name, WeldingClass())
weldingCmds.append(name)
class WeldingGroupCommand: #for FreeCAD version 0.16 onwards
def GetCommands(self):
return tuple(weldingCmds) # a tuple of command names that you want to group
#def GetDefaultCommand(self): # return the index of the tuple of the default command. This method is optional and when not implemented '0' is used
# return 2
def GetResources(self):
return { 'MenuText': 'Welding/Grove Symbols command', 'ToolTip': 'Welding/Grove Symbols commands'}
FreeCADGui.addCommand('dd_weldingGroupCommand', WeldingGroupCommand())
class WeldingSymbol0(WeldingSymbol_prototype):
label='no grove symbol'
noSelections = 3
def generateIcon(self):
return ':/dd/icons/welding/plain.svg'
addWeldingCommand( WeldingSymbol0 )
class WeldingSymbol1(WeldingSymbol_prototype):
label='square groove'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x - 0.15*f, y, x - 0.15*f, y - f) )
XML.append( self.svgLine( x + 0.15*f, y, x + 0.15*f, y - f) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol1 )
class WeldingSymbol2(WeldingSymbol_prototype):
label='flange edge'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
r = f*0.7
XML.append( self.svgCircularArc( x - r - 0.15*f, y - r, r, 0, 90) )
XML.append( self.svgCircularArc( x + r + 0.15*f, y - r, r, 90, 180) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol2 )
class WeldingSymbol3(WeldingSymbol_prototype):
label='double square groove'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x - 0.15*f, y + f, x - 0.15*f, y - f) )
XML.append( self.svgLine( x + 0.15*f, y + f, x + 0.15*f, y - f) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol3 )
class WeldingSymbol4(WeldingSymbol_prototype):
label='V groove'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x , y , x - 0.5*f, y - f) )
XML.append( self.svgLine( x , y , x + 0.5*f, y - f) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol4 )
class WeldingSymbol5(WeldingSymbol_prototype):
label='VU groove'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x , y , x - 0.5*f, y - f) )
XML.append( self.svgLine( x , y , x + 0.5*f, y - f) )
XML.append( self.svgLine( x , y + 0.1*f , x , y + 0.4*f) )
r = 0.5*f
XML.append( self.svgCircularArc( x , y + 0.9*f, r, 180, 360) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol5 )
class WeldingSymbol6(WeldingSymbol_prototype):
label='Double V groove'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x + 0.5*f , y +f , x - 0.5*f, y - f) )
XML.append( self.svgLine( x - 0.5*f, y +f , x + 0.5*f, y - f) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol6 )
class WeldingSymbol7(WeldingSymbol_prototype):
label='Bevel groove'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x , y , x , y - f) )
XML.append( self.svgLine( x , y , x + f, y - f) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol7 )
class WeldingSymbol8(WeldingSymbol_prototype):
label='Double bevel groove'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x , y +f , x , y - f) )
XML.append( self.svgLine( x , y , x + f, y - f) )
XML.append( self.svgLine( x , y , x + f, y + f) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol8 )
class WeldingSymbol9(WeldingSymbol_prototype):
label='Y groove'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x , y , x , y - 0.5*f) )
XML.append( self.svgLine( x , y - 0.5*f, x + 0.25*f, y - f) )
XML.append( self.svgLine( x , y - 0.5*f , x - 0.25*f, y - f) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol9 )
class WeldingSymbol10(WeldingSymbol_prototype):
label='Double Y groove'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x , y + 0.5*f , x , y - 0.5*f) )
XML.append( self.svgLine( x , y - 0.5*f, x + 0.25*f, y - f) )
XML.append( self.svgLine( x , y - 0.5*f , x - 0.25*f, y - f) )
XML.append( self.svgLine( x , y + 0.5*f, x + 0.25*f, y + f) )
XML.append( self.svgLine( x , y + 0.5*f , x - 0.25*f, y + f) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol10 )
class WeldingSymbol11(WeldingSymbol_prototype):
label='J groove'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x , y , x , y - f) )
XML.append( self.svgLine( x , y - 0.5*f, x + 0.5*f, y - f) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol11 )
class WeldingSymbol12(WeldingSymbol_prototype):
label='Double J groove'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x , y + f , x , y - f) )
XML.append( self.svgLine( x , y - 0.5*f, x + 0.5*f, y - f) )
XML.append( self.svgLine( x , y + 0.5*f, x + 0.5*f, y + f) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol12 )
class WeldingSymbol13(WeldingSymbol_prototype):
label='U groove'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x , y , x , y - 0.5*f) )
r = 0.5*f
XML.append( self.svgCircularArc( x , y - f, r, 0, 180) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol13 )
class WeldingSymbol16(WeldingSymbol_prototype):
label='Double U groove'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x , y+0.5*f , x, y-0.5*f) )
r = 0.5*f
XML.append( self.svgCircularArc( x , y - f, r, 0, 180) )
XML.append( self.svgCircularArc( x , y + f, r, 180, 360) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol16 )
class WeldingSymbol15(WeldingSymbol_prototype):
label='J groove (alt)'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x , y , x , y - f) )
r = 0.5*f
XML.append( self.svgCircularArc( x , y - f, r, 0, 90) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol15 )
class WeldingSymbol16(WeldingSymbol_prototype):
label='Double J groove (alt)'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x , y+f , x , y - f) )
r = 0.5*f
XML.append( self.svgCircularArc( x , y - f, r, 0, 90) )
XML.append( self.svgCircularArc( x , y + f, r, 270, 360) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol16 )
class WeldingSymbol17(WeldingSymbol_prototype):
label='fillet'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x , y , x , y - 0.8*f) )
XML.append( self.svgLine( x, y - 0.8*f , x+0.8*f , y) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol17 )
class WeldingSymbol18(WeldingSymbol_prototype):
label='double fillet'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x , y + 0.8*f , x , y - 0.8*f) )
XML.append( self.svgLine( x, y - 0.8*f , x+0.8*f , y) )
XML.append( self.svgLine( x+0.8*f , y, x , y + 0.8*f) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol18 )
class WeldingSymbol19(WeldingSymbol_prototype):
label='Plug or slot'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x -0.5*f , y , x -0.5*f , y- 0.5*f) )
XML.append( self.svgLine( x -0.5*f, y - 0.5*f , x +0.5*f , y- 0.5*f) )
XML.append( self.svgLine( x +0.5*f , y - 0.5*f , x +0.5*f , y))
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol19 )
class WeldingSymbol20(WeldingSymbol_prototype):
label='Spot or projection'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgCircularArc( x , y , 0.5*f, 0, 180) )
XML.append( self.svgCircularArc( x , y , 0.5*f, 180, 360) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol20 )
class WeldingSymbol21(WeldingSymbol_prototype):
label='Seam'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
r = 0.5*f
XML.append( self.svgCircularArc( x, y, r, 0, 180) )
XML.append( self.svgCircularArc( x, y, r, 180, 360) )
z = 0.14*f
XML.append( self.svgLine( x - 1.2*r , y - z , x + 1.2*r , y - z ))
XML.append( self.svgLine( x - 1.2*r , y + z , x + 1.2*r , y + z ))
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol21 )
class WeldingSymbol22(WeldingSymbol_prototype):
label='Steilflankennaht'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
z = 0.1*f
XML.append( self.svgLine( x - 0.2*f, y , x - 0.2*f -z, y - f) )
XML.append( self.svgLine( x + 0.2*f, y , x + 0.2*f +z, y - f) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol22 )
class WeldingSymbol23(WeldingSymbol_prototype):
label='Stirnflachnaht'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
z = 0.1*f
XML.append( self.svgLine( x - 0.15*f, y, x - 0.15*f, y - f) )
XML.append( self.svgLine( x + 0.15*f, y, x + 0.15*f, y - f) )
XML.append( self.svgLine( x, y, x, y - f) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol23 )
class WeldingSymbol24(WeldingSymbol_prototype):
label='Flachennaht'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
w = 0.45*f
z1 = 0.2*f
z2 = 0.5*f
XML.append( self.svgLine( x - w, y - z1, x + w, y - z1) )
XML.append( self.svgLine( x - w, y - z2, x + w, y - z2) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol24 )
class WeldingSymbol25(WeldingSymbol_prototype):
label='Schragnaht'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
w = 0.45*f
z1 = 0.25*f
z2 = 0.50*f
XML.append( self.svgLine( x - w, y , x + w, y - z1) )
XML.append( self.svgLine( x - w, y - z1, x + w, y - z2) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol25 )
class WeldingSymbol26(WeldingSymbol_prototype):
label='Falznnaht'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
z = 0.3*f
w = 0.3*f
XML.append( self.svgCircularArc( x , y-z , z, 90, 270) )
XML.append( self.svgLine( x , y - 2*z, x + w, y - 2*z) )
XML.append( self.svgCircularArc( x+w , y-2*z , z, 270, 360) )
XML.append( self.svgCircularArc( x+w , y-2*z , z, 0, 90) )
XML.append( self.svgLine( x , y - 1*z, x + w, y - 1*z) )
XML.append( self.svgLine( x , y - 3*z, x + w, y - 3*z) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol26 )
class WeldingSymbol27(WeldingSymbol_prototype):
label='Surfacing'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
r = 0.3*f
XML.append( self.svgCircularArc( x - r , y , r, 180, 360) )
XML.append( self.svgCircularArc( x + r , y , r, 180, 360) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol27 )
class WeldingSymbol28(WeldingSymbol_prototype):
label='fillet with circle'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x , y , x , y - 0.8*f) )
XML.append( self.svgLine( x, y - 0.8*f , x+0.8*f , y) )
r = 0.18*f
XML.append( self.svgCircularArc( self.radialLine_x, self.radialLine_y, r, 0, 180 ) )
XML.append( self.svgCircularArc( self.radialLine_x, self.radialLine_y, r, 180, 360 ) )
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol28 )
class WeldingSymbol29(WeldingSymbol_prototype):
label='fillet with dashed line'
def weldingMarkerSvg(self, x, y, lineColor, strokeWidth, textRenderer):
XML = []
f = self.getScaleFactor(textRenderer)
XML.append( self.svgLine( x , y , x , y - 0.8*f) )
XML.append( self.svgLine( x, y - 0.8*f , x+0.8*f , y) )
gap_length = 0.2*f
dash_length = 0.6*f
x_start = min(self.tail_x, self.radialLine_x)
x_end = max(self.tail_x, self.radialLine_x)
pen_x = x_start + gap_length
pen_y = y - 0.18*f
while pen_x + dash_length < x_end:
XML.append( self.svgLine( pen_x , pen_y , pen_x + dash_length , pen_y ) )
pen_x = pen_x + dash_length + gap_length
return '\n'.join(XML)
addWeldingCommand( WeldingSymbol29 )