fix stroke width in living hinge boxes
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fc2261ce96
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a52b8ccf08
@ -27,17 +27,17 @@ import math
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from lxml import etree
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import math
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def drawS(XYstring): # Draw lines from a list
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class BoxMakerLivingHinge(inkex.EffectExtension):
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def drawS(self, XYstring): # Draw lines from a list
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name='part'
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style = { 'stroke': '#000000', 'fill': 'none' }
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style = { 'stroke': '#000000', 'stroke-width': self.svg.unittouu('1px'), 'fill': 'none' }
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drw = {'style': str(inkex.Style(style)),inkex.addNS('label','inkscape'):name,'d':XYstring}
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etree.SubElement(parent, inkex.addNS('path','svg'), drw )
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return
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def draw_SVG_ellipse(centerx, centery, radiusx, radiusy, start_end):
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style = { 'stroke' : '#000000',
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'fill' : 'none' }
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def draw_SVG_ellipse(self, centerx, centery, radiusx, radiusy, start_end):
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style = { 'stroke': '#000000', 'stroke-width': self.svg.unittouu('1px'), 'fill': 'none' }
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ell_attribs = {'style': str(inkex.Style(style)),
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inkex.addNS('cx','sodipodi') :str(centerx),
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inkex.addNS('cy','sodipodi') :str(centery),
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@ -49,19 +49,16 @@ def draw_SVG_ellipse(centerx, centery, radiusx, radiusy, start_end):
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inkex.addNS('type','sodipodi') :'arc',
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'transform' :''
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}
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ell = etree.SubElement(parent, inkex.addNS('path','svg'), ell_attribs )
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#draw an SVG line segment between the given (raw) points
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def draw_SVG_line( x1, y1, x2, y2, parent):
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style = { 'stroke': '#000000', 'fill': 'none' }
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#draw an SVG line segment between the given (raw) points
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def draw_SVG_line(self, x1, y1, x2, y2, parent):
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style = { 'stroke': '#000000', 'stroke-width': self.svg.unittouu('1px'), 'fill': 'none' }
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line_attribs = {'style' : str(inkex.Style(style)),
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'd' : 'M '+str(x1)+','+str(y1)+' L '+str(x2)+','+str(y2)}
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line = etree.SubElement(parent, inkex.addNS('path','svg'), line_attribs )
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def EllipseCircumference(a, b):
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def EllipseCircumference(self, a, b):
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"""
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Compute the circumference of an ellipse with semi-axes a and b.
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Require a >= 0 and b >= 0. Relative accuracy is about 0.5^53.
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@ -76,12 +73,12 @@ def EllipseCircumference(a, b):
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m *= 2; s += m * math.pow(x - y, 2)
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return math.pi * (math.pow(a + b, 2) - s) / (x + y)
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"""
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Gives you a list of points that make up a box.
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"""
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Gives you a list of points that make up a box.
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Returns string suitable for input to drawS
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"""
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def box(sx, sy,ex, ey, leaveLeftSideOpen = False):
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Returns string suitable for input to drawS
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"""
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def box(self, sx, sy,ex, ey, leaveLeftSideOpen = False):
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s=[]
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s='M '+str(sx)+','+str(sy)+' '
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s+='L '+str(ex)+','+str(sy)+' '
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@ -91,19 +88,19 @@ def box(sx, sy,ex, ey, leaveLeftSideOpen = False):
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s+='L '+str(sx)+','+str(sy)+' '
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return s
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"""
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Side function is used to render any of the sides so needs all this functionality:
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"""
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Side function is used to render any of the sides so needs all this functionality:
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isLongSide -- long sides without tabs (for cover),
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truncate -- partial sides for the elipse
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gap -- extend the tabs on the curved side for ease of movement
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thumbTab -- Render individual boxes for slots instead of one continuous line
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isTab is used to specify the male/female designation for a side so they mesh properly. Otherwise the tabs
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would be in the same spot for opposing sides, instead of interleaved.
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isTab is used to specify the male/female designation for a side so they mesh properly. Otherwise the tabs
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would be in the same spot for opposing sides, instead of interleaved.
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Returns a list of lines to draw.
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"""
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def side(rx,ry,sox,soy,eox,eoy,tabVec,length, dirx, diry, isTab, isLongSide, truncate = False, gap = False, thumbTab = False):
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Returns a list of lines to draw.
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"""
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def side(self, rx,ry,sox,soy,eox,eoy,tabVec,length, dirx, diry, isTab, isLongSide, truncate = False, gap = False, thumbTab = False):
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# root startOffset endOffset tabVec length direction isTab
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#Long side length= length+((math.pi*(length/2))/4
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@ -181,7 +178,7 @@ def side(rx,ry,sox,soy,eox,eoy,tabVec,length, dirx, diry, isTab, isLongSide, tru
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Vy=Vy+diryN*secondVec
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s+='L '+str(Vx)+','+str(Vy)+' '
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if thumbTab:
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drawS(box(Vxs,Vys,Vx,Vy))
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self.drawS(self.box(Vxs,Vys,Vx,Vy))
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(secondVec,firstVec)=(-secondVec,-firstVec) # swap tab direction
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first=0
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if not truncate:
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@ -190,8 +187,7 @@ def side(rx,ry,sox,soy,eox,eoy,tabVec,length, dirx, diry, isTab, isLongSide, tru
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s+='L '+str(rx+eox*thickness+dirx*(length/2))+','+str(ry+eoy*thickness+diry*(length/2))+' '
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return s
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#God class. Makes poor design, but not much object oriented in this guy...
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class BoxMakerLivingHinge(inkex.EffectExtension):
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def add_arguments(self, pars):
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pars.add_argument('--unit',default='mm',help='Measure Units')
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@ -241,14 +237,14 @@ class BoxMakerLivingHinge(inkex.EffectExtension):
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for n in range(0,horizontalSlots+1):
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if n%2: #odd, exterior slot (slot should go all the way to the part edge)
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draw_SVG_line(Sx + (space * n), Sy, Sx + (space * n), Sy+(height/4)-(solidGap/2), grp)
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draw_SVG_line(Sx + (space * n), Sy+(height/4)+(solidGap/2), Sx + (space * n), Ey-(height/4)-(solidGap/2), grp)
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draw_SVG_line(Sx + (space * n), Ey-(height/4)+(solidGap/2), Sx + (space * n), Ey, grp)
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self.draw_SVG_line(Sx + (space * n), Sy, Sx + (space * n), Sy+(height/4)-(solidGap/2), grp)
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self.draw_SVG_line(Sx + (space * n), Sy+(height/4)+(solidGap/2), Sx + (space * n), Ey-(height/4)-(solidGap/2), grp)
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self.draw_SVG_line(Sx + (space * n), Ey-(height/4)+(solidGap/2), Sx + (space * n), Ey, grp)
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else:
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#even, interior slot (slot shoud not touch edge of part)
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draw_SVG_line(Sx + (space * n), Sy+solidGap, Sx + (space * n), Sy+(height/2)-(solidGap/2), grp)
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draw_SVG_line(Sx + (space * n), Ey-(height/2)+(solidGap/2), Sx + (space * n), Ey-solidGap, grp)
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self.draw_SVG_line(Sx + (space * n), Sy+solidGap, Sx + (space * n), Sy+(height/2)-(solidGap/2), grp)
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self.draw_SVG_line(Sx + (space * n), Ey-(height/2)+(solidGap/2), Sx + (space * n), Ey-solidGap, grp)
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"""
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The sprial based designs are built from multiple calls of this function.
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@ -280,13 +276,13 @@ class BoxMakerLivingHinge(inkex.EffectExtension):
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for n in range(0,horizontalSlots):
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newX = (((space/2) + (space*n)) * reverse)
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draw_SVG_line((centerX - newX), centerY + (space/2) + (space * n), (centerX - newX ), centerY - (space * 1.5) - (space * n), grp)
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self.draw_SVG_line((centerX - newX), centerY + (space/2) + (space * n), (centerX - newX ), centerY - (space * 1.5) - (space * n), grp)
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if horizontalSlots - 1 != n: #Last line in center should be omited
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draw_SVG_line((centerX - (space + (space/2 * -reverse)) - (space*n) ), centerY - (space * 1.5) - (space * n), (centerX + (space + (space/2 * reverse)) + (space*n) ), centerY - (space * 1.5) - (space * n), grp)
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self.draw_SVG_line((centerX - (space + (space/2 * -reverse)) - (space*n) ), centerY - (space * 1.5) - (space * n), (centerX + (space + (space/2 * reverse)) + (space*n) ), centerY - (space * 1.5) - (space * n), grp)
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draw_SVG_line((centerX + newX ), centerY - (space/2) - (space * n), (centerX + newX ), centerY + (space * 1.5) + (space * n), grp)
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self.draw_SVG_line((centerX + newX ), centerY - (space/2) - (space * n), (centerX + newX ), centerY + (space * 1.5) + (space * n), grp)
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if horizontalSlots - 1 != n: #Last line in center should be omited
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draw_SVG_line((centerX + (space + (space/2 * -reverse)) + (space*n) ), centerY + (space * 1.5) + (space * n), (centerX - (space + (space/2 * reverse)) - (space*n) ), centerY + (space * 1.5) + (space * n), grp)
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self.draw_SVG_line((centerX + (space + (space/2 * -reverse)) + (space*n) ), centerY + (space * 1.5) + (space * n), (centerX - (space + (space/2 * reverse)) - (space*n) ), centerY + (space * 1.5) + (space * n), grp)
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"""
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The snake based designs are built from multiple calls of this function.
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@ -324,20 +320,20 @@ class BoxMakerLivingHinge(inkex.EffectExtension):
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for n in range(1 - skew,horizontalSlots + skew):
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if not rotate:
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if (n+mirror)%2:
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draw_SVG_line(Sx + (space * n), Sy + solidGap, Sx + (space * n), Ey, grp)
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self.draw_SVG_line(Sx + (space * n), Sy + solidGap, Sx + (space * n), Ey, grp)
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else:
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draw_SVG_line(Sx + (space * n), Sy, Sx + (space * n), Ey - solidGap, grp)
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self.draw_SVG_line(Sx + (space * n), Sy, Sx + (space * n), Ey - solidGap, grp)
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else:
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if (n+mirror)%2:
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draw_SVG_line(Sx + solidGap, Sy + (space * n), Ex, Sy + (space * n), grp)
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self.draw_SVG_line(Sx + solidGap, Sy + (space * n), Ex, Sy + (space * n), grp)
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else:
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draw_SVG_line(Sx, Sy + (space * n), Ex - solidGap, Sy + (space * n), grp)
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self.draw_SVG_line(Sx, Sy + (space * n), Ex - solidGap, Sy + (space * n), grp)
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if rotate and not mirror:
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draw_SVG_line(Sx, Sy, Sx, Ey - space, grp)
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draw_SVG_line(Ex, Sy + space, Ex, Ey, grp)
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self.draw_SVG_line(Sx, Sy, Sx, Ey - space, grp)
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self.draw_SVG_line(Ex, Sy + space, Ex, Ey, grp)
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elif mirror:
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draw_SVG_line(Sx, Sy + space, Sx, Ey, grp)
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draw_SVG_line(Ex, Sy, Ex, Ey - space, grp)
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self.draw_SVG_line(Sx, Sy + space, Sx, Ey, grp)
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self.draw_SVG_line(Ex, Sy, Ex, Ey - space, grp)
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def effect(self):
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global parent,nomTab,equalTabs,thickness,correction, Z, unit
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@ -427,7 +423,7 @@ class BoxMakerLivingHinge(inkex.EffectExtension):
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#center middle row
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[(2,0,0,1),(2,0,0,1),X,Y,0b0000,0],
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#right middle row
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[(3,1,0,1),(2,0,0,1),Z+(EllipseCircumference(X/2, Z/2)/4)+thickness,Y,0b1011,1],
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[(3,1,0,1),(2,0,0,1),Z+(self.EllipseCircumference(X/2, Z/2)/4)+thickness,Y,0b1011,1],
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#center top row
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[(2,0,0,1),(1,0,0,0),X,Z,0b0010,-1]]
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elif layout==1: # Inline(compact) Layout
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@ -439,7 +435,6 @@ class BoxMakerLivingHinge(inkex.EffectExtension):
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[(3,1,0,1),(1,0,0,0),X,Z,0b1000,-2],
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[(4,2,0,1),(1,0,0,0),X,Z,0b0010,-1],
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#Long piece w/ hinge
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[(5,3,0,1),(1,0,0,0),Z+(EllipseCircumference(X/2, Z/2)/4)+thickness,Y,0b1011,1]
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]
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for piece in pieces: # generate and draw each piece of the box
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@ -462,50 +457,50 @@ class BoxMakerLivingHinge(inkex.EffectExtension):
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# generate and draw the sides of each piece
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if piece[5] != -1:
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drawS(side(x,y,d,a,-b,a,-thickness if a else thickness,dx,1,0,a,longSide)) # side a (top)
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self.drawS(self.side(x,y,d,a,-b,a,-thickness if a else thickness,dx,1,0,a,longSide)) # side a (top)
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else:
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drawS(side(x,y,d,a,-b,a,-thickness if a else thickness,dx/2,1,0,a,-1)) # side a (top) when the top participates in a curve
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self.drawS(self.side(x,y,d,a,-b,a,-thickness if a else thickness,dx/2,1,0,a,-1)) # side a (top) when the top participates in a curve
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if piece[5] != -1 and piece[5] != 1:
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drawS(side(x+dx+skew,y,-b,a,-b,-c,thickness if b else -thickness,dy,0,1,b,shortSide, False if piece[5] != -2 else True, False if piece[5] != 1 else True)) # side b (right) except for side with living hinge or curves
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self.drawS(self.side(x+dx+skew,y,-b,a,-b,-c,thickness if b else -thickness,dy,0,1,b,shortSide, False if piece[5] != -2 else True, False if piece[5] != 1 else True)) # side b (right) except for side with living hinge or curves
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elif piece[5] == -1:
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drawS(side(x+dx+skew,y+dy,-b,-c,-b,a,thickness if b else -thickness,dy,0,-1,b,shortSide, True)) # side b (right) when the right side participates in a curve
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self.drawS(self.side(x+dx+skew,y+dy,-b,-c,-b,a,thickness if b else -thickness,dy,0,-1,b,shortSide, True)) # side b (right) when the right side participates in a curve
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else:
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#It is a cardnal sin to compare floats, so assume <0.0005 is 0 since the front end only gives you 3 digits of precision
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if float(0.0005) <= float(self.options.thumbTab):
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side(x+dx+skew,y,-b,a,-b,-c,thickness if b else -thickness,dy,0,1,b,shortSide, False, True, True) #The one call to side that doesn't actually draw. Instead, side draws boxes on its own
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drawS(box(x+dx+skew,y+thickness,x+dx+skew+self.svg.unittouu( thumbTab + unit ),y+dy-thickness, True))
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self.side(x+dx+skew,y,-b,a,-b,-c,thickness if b else -thickness,dy,0,1,b,shortSide, False, True, True) #The one call to side that doesn't actually draw. Instead, side draws boxes on its own
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self.drawS(self.box(x+dx+skew,y+thickness,x+dx+skew+self.svg.unittouu( thumbTab + unit ),y+dy-thickness, True))
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else:
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drawS(side(x+dx+skew,y,-b,a,-b,-c,thickness if b else -thickness,dy,0,1,b,shortSide, False, True)) #side b (right) on the right side of a living hinge
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self.drawS(self.side(x+dx+skew,y,-b,a,-b,-c,thickness if b else -thickness,dy,0,1,b,shortSide, False, True)) #side b (right) on the right side of a living hinge
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if piece[5] != -2:
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drawS(side(x,y+dy,d,-c,-b,-c,thickness if c else -thickness,dx,1,0,c,longSide)) # side c (bottom)
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self.drawS(self.side(x,y+dy,d,-c,-b,-c,thickness if c else -thickness,dx,1,0,c,longSide)) # side c (bottom)
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else:
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drawS(side(x,y+dy,d,-c,-b,-c,thickness if c else -thickness,dx/2,1,0,c,-1)) # side c (bottom) when the bottom participates in a curve
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self.drawS(self.side(x,y+dy,d,-c,-b,-c,thickness if c else -thickness,dx/2,1,0,c,-1)) # side c (bottom) when the bottom participates in a curve
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drawS(side(x,y+dy,d,-c,d,a,-thickness if d else thickness,dy,0,-1,d,0)) # side d (left)
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self.drawS(self.side(x,y+dy,d,-c,d,a,-thickness if d else thickness,dy,0,-1,d,0)) # side d (left)
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if piece[5] < 0:
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draw_SVG_ellipse(x+(dx/2), y+(dy/2), (dx/2), (dy/2), [(1.5*math.pi), 0] if piece[5] == -1 else [0, 0.5*math.pi]) #draw the curve
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self.draw_SVG_ellipse(x+(dx/2), y+(dy/2), (dx/2), (dy/2), [(1.5*math.pi), 0] if piece[5] == -1 else [0, 0.5*math.pi]) #draw the curve
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if piece[5] == 1: #Piece should contain a living hinge
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if hingeOpt == 0: #Traditional parallel slit
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self.livingHinge2(x+(Z/2), y, x+(Z/2)+(EllipseCircumference(X/2, Z/2)/4), y + (dy), hingeThick)
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self.livingHinge2(x+(Z/2), y, x+(Z/2)+(self.EllipseCircumference(X/2, Z/2)/4), y + (dy), hingeThick)
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elif hingeOpt == 1: #Single spiral
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if not inside:
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self.livingHinge3(x+(Z/2), y+thickness, x+(Z/2)+(EllipseCircumference(X/2, Z/2)/4), y + dy - thickness, 1, hingeThick)
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self.livingHinge3(x+(Z/2), y+thickness, x+(Z/2)+(self.EllipseCircumference(X/2, Z/2)/4), y + dy - thickness, 1, hingeThick)
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else:
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self.livingHinge3(x+(Z/2), y + 2*thickness, x+(Z/2)+(EllipseCircumference(X/2, Z/2)/4), y + dy - 2*thickness, 1, hingeThick)
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self.livingHinge3(x+(Z/2), y + 2*thickness, x+(Z/2)+(self.EllipseCircumference(X/2, Z/2)/4), y + dy - 2*thickness, 1, hingeThick)
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elif hingeOpt == 2: #Double spiral
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self.livingHinge3(x+(Z/2), y+thickness, x+(Z/2)+(EllipseCircumference(X/2, Z/2)/4), y + (dy/2), 1, hingeThick)
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self.livingHinge3(x+(Z/2), y+(dy/2), x+(Z/2)+(EllipseCircumference(X/2, Z/2)/4), y + dy - thickness, -1, hingeThick)
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self.livingHinge3(x+(Z/2), y+thickness, x+(Z/2)+(self.EllipseCircumference(X/2, Z/2)/4), y + (dy/2), 1, hingeThick)
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self.livingHinge3(x+(Z/2), y+(dy/2), x+(Z/2)+(self.EllipseCircumference(X/2, Z/2)/4), y + dy - thickness, -1, hingeThick)
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elif hingeOpt == 3 or hingeOpt == 4: #Both snake-based designs
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self.livingHinge4(x+(Z/2), y, x+(Z/2)+(EllipseCircumference(X/2, Z/2)/4), y + (dy), False if hingeOpt == 3 else True, 0, hingeThick)
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self.livingHinge4(x+(Z/2), y, x+(Z/2)+(self.EllipseCircumference(X/2, Z/2)/4), y + (dy), False if hingeOpt == 3 else True, 0, hingeThick)
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elif hingeOpt == 5: #Double snake design
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self.livingHinge4(x+(Z/2), y, x+(Z/2)+EllipseCircumference(X/2, Z/2)/4, y + (dy/2) + thickness, True, 0, hingeThick) #Add thickness as a cheat so design 4 doesn't have to know if it's a short or long variant
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self.livingHinge4(x+(Z/2), y + (dy/2) - thickness, (x+(Z/2)+(EllipseCircumference(X/2, Z/2)/4)), y + dy, True, 1, hingeThick)
|
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self.livingHinge4(x+(Z/2), y, x+(Z/2)+self.EllipseCircumference(X/2, Z/2)/4, y + (dy/2) + thickness, True, 0, hingeThick) #Add thickness as a cheat so design 4 doesn't have to know if it's a short or long variant
|
||||
self.livingHinge4(x+(Z/2), y + (dy/2) - thickness, (x+(Z/2)+(self.EllipseCircumference(X/2, Z/2)/4)), y + dy, True, 1, hingeThick)
|
||||
|
||||
if __name__ == '__main__':
|
||||
BoxMakerLivingHinge().run()
|
||||
Loading…
Reference in New Issue
Block a user