FabLab_Chemnitz/mightyscape-1.1-deprecated
FabLab_Chemnitz/mightyscape-1.1-deprecated
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Upgrade Conical Box

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This commit is contained in:
Mario Voigt 2020-07-31 14:08:48 +02:00
parent 6ca5ffdea7
commit 29b5a12af3
2 changed files with 50 additions and 21 deletions
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1
extensions/fablabchemnitz_conic_box.inx
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@ -18,6 +18,7 @@
<param name="d1" type="float" min="30.0" max="1000.0" _gui-text="Diameter small circle">100.0</param>
<param name="d2" type="float" min="31.0" max="1000.0" _gui-text="Diameter large circle">150.0</param>
<param name="zc" type="float" min="15.0" max="1000.0" _gui-text="Cone height">50.0</param>
<param name="nb_pieces" type="int" min="1" max="100" _gui-text="# pieces for cone">1</param>
<param name="inner_size" type="boolean" _gui-text="Internal dimensions">true</param>
<effect>
<object-type>all</object-type>

70
extensions/fablabchemnitz_conic_box.py
View File

@ -1,5 +1,6 @@
#!/usr/bin/env python3
# We will use the inkex module with the predefined Effect base class.
import inkex
import math
from lxml import etree
@ -34,7 +35,7 @@ class inkcape_polar:
etree.SubElement(self.group, inkex.addNS('path', 'svg'), line_attribs)
class CurvedSurface:
def __init__(self, L1, L2, nombre_pas, angle_par_pas, taille_exacte_pas, epaisseur, parent, xOffset, yOffset):
def __init__(self, L1, L2, nombre_pas, angle_par_pas, taille_exacte_pas, nb_parts, epaisseur, parent, xOffset, yOffset):
self.L1 = L1
self.L2 = L2
self.nombre_pas = nombre_pas
@ -42,7 +43,9 @@ class CurvedSurface:
self.taille_exacte_pas = taille_exacte_pas
self.epaisseur = epaisseur
self.parent = parent
self.Offset = (xOffset, yOffset)
self.OffsetX = xOffset
self.OffsetY = yOffset
self.nb_parts = nb_parts
def genere_element_1(self, angle):
path = inkcape_polar(self.Offset, self.group)
@ -184,18 +187,25 @@ class CurvedSurface:
def GeneratePaths(self):
group = etree.SubElement(self.parent, 'g')
self.group = group
#Taille traits courts et longs entre les dents
self.TailleTraitCourt = (self.L2 - self.L1) / 6 - 1
self.TailleTraitLong = (self.L2 - self.L1- 2) / 3
pas_par_bloc = int(self.nombre_pas/self.nb_parts)
#genere les pas du "flex"
current_pas = 0
self.genere_pas_debut()
while current_pas < self.nombre_pas:
self.genere_pas(current_pas)
current_pas += 1
self.genere_pas_fin(current_pas)
for i in range(self.nb_parts):
group = etree.SubElement(self.parent, 'g')
self.group = group
current_pas = 0
pas_pour_ce_bloc = pas_par_bloc
self.Offset = (self.OffsetX, self.OffsetY)
self.OffsetX += self.L2*2+ 5
if i == self.nb_parts - 1:
pas_pour_ce_bloc = self.nombre_pas - i * pas_par_bloc
self.genere_pas_debut()
while current_pas < pas_pour_ce_bloc:
self.genere_pas(current_pas)
current_pas += 1
self.genere_pas_fin(pas_pour_ce_bloc)
def gen_cercle(diametre, nombre_pas, epaisseur, xOffset, yOffset, parent):
group = etree.SubElement(parent, 'g')
@ -216,21 +226,34 @@ def gen_cercle(diametre, nombre_pas, epaisseur, xOffset, yOffset, parent):
path.GenPath()
class ConicalBox(inkex.Effect):
"""
Creates a new layer with the drawings for a parametrically generaded box.
"""
def __init__(self):
inkex.Effect.__init__(self)
self.knownUnits = ['in', 'pt', 'px', 'mm', 'cm', 'm', 'km', 'pc', 'yd', 'ft']
self.arg_parser.add_argument('--unit', default = 'mm', help = 'Unit, should be one of ')
self.arg_parser.add_argument('--thickness', type = float, default = '3.0', help = 'Material thickness')
self.arg_parser.add_argument('--d1', type = float, default = '50.0', help = 'Small circle diameter')
self.arg_parser.add_argument('--d2', type = float, default = '100.0', help = 'Large circle diameter')
self.arg_parser.add_argument('--zc', type = float, default = '50.0', help = 'Cone height')
self.arg_parser.add_argument('--inner_size', type = inkex.Boolean, default = 'true', help = 'Dimensions are internal')
self.arg_parser.add_argument('--thickness', type = float, default = 3.0, help = 'Material thickness')
self.arg_parser.add_argument('--d1', type = float, default = 50.0, help = 'Small circle diameter')
self.arg_parser.add_argument('--d2', type = float, default = 100.0, help = 'Large circle diameter')
self.arg_parser.add_argument('--zc', type = float, default = 50.0, help = 'Cone height')
self.arg_parser.add_argument('--nb_pieces', type = int, default = 1, help = '# pieces for cone')
self.arg_parser.add_argument('--inner_size', type = inkex.Boolean, default = True, help = 'Dimensions are internal')
def unittouu(self, unit):
return self.svg.unittouu(unit)
try:
inkex.Effect.unittouu # unitouu has moved since Inkscape 0.91
except AttributeError:
try:
def unittouu(self, unit):
return inkex.unittouu(unit)
except AttributeError:
pass
def effect(self):
"""
Draws a conic box, based on provided parameters
"""
# input sanity check
error = False
if self.options.zc < 15:
@ -252,11 +275,15 @@ class ConicalBox(inkex.Effect):
if error:
exit()
# convert units
unit = self.options.unit
d1 = self.svg.unittouu(str(self.options.d1) + unit)
d2 = self.svg.unittouu(str(self.options.d2) + unit)
zc = self.svg.unittouu(str(self.options.zc) + unit)
nb_parts = self.options.nb_pieces
thickness = self.svg.unittouu(str(self.options.thickness) + unit)
#Si prend dimensions externes, corrige les tailles
if self.options.inner_size == False:
@ -281,8 +308,8 @@ class ConicalBox(inkex.Effect):
#calcul nombre de pas (sauf premeirs et derniers) pour D1, avec 2*2 mm par pas
nombre_pas = round((d1 * math.pi - 6) / 4)
#calcul angle par pas, ajoute 1.5 pour tenir compte des premiers et derniers pas qui font 3/4 de pas.
angle_par_pas = alpha / (nombre_pas+1.5)
taille_exacte_pas = math.pi * d1 / (nombre_pas+1.5)
angle_par_pas = alpha / (nombre_pas+1.5*nb_parts)
taille_exacte_pas = math.pi * d1 / (nombre_pas+1.5*nb_parts)
# do not put elements right at the edge of the page.
# Drawing will max left will be L2*cos(alpha) - thickness
@ -312,7 +339,7 @@ class ConicalBox(inkex.Effect):
ymax = (L2+thickness)*math.sin(alpha)
#dessine la partie "souple"
PartieSouple = CurvedSurface(L1, L2, nombre_pas, angle_par_pas, taille_exacte_pas, thickness, layer, xOffset, yOffset)
PartieSouple = CurvedSurface(L1, L2, nombre_pas, angle_par_pas, taille_exacte_pas, nb_parts, thickness, layer, xOffset, yOffset)
PartieSouple.GeneratePaths()
#génère maintenant le path du grand cercle
#Un pas de plus pour les cercles, pour tenir compte du début et de la fin
@ -322,4 +349,5 @@ class ConicalBox(inkex.Effect):
#puis pour le petit cercle
gen_cercle(d1, nombre_pas, thickness, -xmax - d1/2 + xOffset + 10, d1/2 + yOffset - ymin + 10, layer)
# Create effect instance and apply it.
ConicalBox().run()