FabLab_Chemnitz/mightyscape-1.1-deprecated
FabLab_Chemnitz/mightyscape-1.1-deprecated
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total break option for filter

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This commit is contained in:
Mario Voigt 2021-11-21 02:03:36 +01:00
parent 7c3339b111
commit 534838fe2d
2 changed files with 40 additions and 16 deletions
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3
extensions/fablabchemnitz/filter_by_length_area/filter_by_length_area.inx
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@ -7,7 +7,8 @@
<label appearance="header">General Settings</label> <label appearance="header">General Settings</label>
<param name="debug" type="bool" gui-text="Enable debug">false</param> <param name="debug" type="bool" gui-text="Enable debug">false</param>
<param name="apply_transformations" type="bool" gui-text="Apply transformations (requires separate extension)" gui-description="This will call the extension 'Apply Transformations'. Helps avoiding geometry shifting">false</param> <param name="apply_transformations" type="bool" gui-text="Apply transformations (requires separate extension)" gui-description="This will call the extension 'Apply Transformations'. Helps avoiding geometry shifting">false</param>
<param name="breakapart" type="bool" gui-text="Break apart output path(s) into segments" gui-description="Performs CTRL + SHIFT + K to break the new output path into it's parts. Recommended to enable because default break apart of Inkscape might produce pointy paths.">true</param> <param name="breakapart" type="bool" gui-text="Break apart selected path(s) into segments" gui-description="Performs CTRL + SHIFT + K to break paths into parts">true</param>
<param name="breakapart_total" type="bool" gui-text="Break segments to lines" gui-description="Gives the best results for nodes/&lt;interval&gt; filtering">true</param>
<hbox> <hbox>
<vbox> <vbox>
<label appearance="header">Threshold</label> <label appearance="header">Threshold</label>

53
extensions/fablabchemnitz/filter_by_length_area/filter_by_length_area.py
View File

@ -30,7 +30,8 @@ class FilterByLengthArea(inkex.EffectExtension):
pars.add_argument('--tab') pars.add_argument('--tab')
pars.add_argument('--debug', type=inkex.Boolean, default=False) pars.add_argument('--debug', type=inkex.Boolean, default=False)
pars.add_argument("--apply_transformations", type=inkex.Boolean, default=False, help="Run 'Apply Transformations' extension before running vpype. Helps avoiding geometry shifting") pars.add_argument("--apply_transformations", type=inkex.Boolean, default=False, help="Run 'Apply Transformations' extension before running vpype. Helps avoiding geometry shifting")
pars.add_argument("--breakapart", type=inkex.Boolean, default=True, help="Performs CTRL + SHIFT + K to break the new output path into it's parts. Recommended to enable because default break apart of Inkscape might produce pointy paths.") pars.add_argument("--breakapart", type=inkex.Boolean, default=True, help="Break apart selected path(s) into segments")
pars.add_argument("--breakapart_total", type=inkex.Boolean, default=True, help="Gives the best results for nodes/<interval> filtering")
pars.add_argument("--cleanup", type=inkex.Boolean, default = True, help = "Cleanup all unused groups/layers (requires separate extension)") pars.add_argument("--cleanup", type=inkex.Boolean, default = True, help = "Cleanup all unused groups/layers (requires separate extension)")
pars.add_argument('--unit') pars.add_argument('--unit')
pars.add_argument('--min_filter_enable', type=inkex.Boolean, default=True, help='Enable filtering min.') pars.add_argument('--min_filter_enable', type=inkex.Boolean, default=True, help='Enable filtering min.')
@ -63,21 +64,40 @@ class FilterByLengthArea(inkex.EffectExtension):
idSuffix = 0 idSuffix = 0
raw = element.path.to_arrays() raw = element.path.to_arrays()
subPaths, prev = [], 0 subPaths, prev = [], 0
for i in range(len(raw)): # Breaks compound paths into simple paths if self.options.breakapart_total is False:
if raw[i][0] == 'M' and i != 0: for i in range(len(raw)): # Breaks compound paths into simple paths
subPaths.append(raw[prev:i]) if raw[i][0] == 'M' and i != 0:
prev = i subPaths.append(raw[prev:i])
subPaths.append(raw[prev:]) prev = i
subPaths.append(raw[prev:])
else:
rawCopy = element.path.to_arrays() #we need another set of the same path
for i in range(len(raw)): # Breaks compound paths into simple paths
if i != 0:
if raw[i][0] == 'C':
rawCopy[i][1] = [raw[i][1][-2], raw[i][1][-1]]
elif raw[i][0] == 'L':
rawCopy[i][1] = [raw[i][1][0], raw[i][1][1]]
elif raw[i][0] == 'Z': #replace Z with another L command (which moves to the coordinates of the first M command in path) to have better overview
raw[-1][0] = 'L'
raw[-1][1] = raw[0][1]
rawCopy[i][0] = 'M' #we really need M. Does not matter if 'L' or 'C'.
#self.msg("s1={},s2={}".format(rawCopy[i-1], raw[i]))
subPaths.append([rawCopy[i-1], raw[i]])
prev = i
subPaths = subPaths[::-1]
for subpath in subPaths: for subpath in subPaths:
#self.msg(subpath)
replacedelement = copy.copy(element) replacedelement = copy.copy(element)
oldId = replacedelement.get('id') oldId = replacedelement.get('id')
csp = CubicSuperPath(subpath) csp = CubicSuperPath(subpath)
if len(subpath) > 1 and csp[0][0] != csp[0][1]: #avoids pointy paths like M "31.4794 57.6024 Z" if len(subpath) > 1 and csp[0][0] != csp[0][1]: #avoids pointy paths like M "31.4794 57.6024 Z"
replacedelement.set('d', csp) replacedelement.set('d', csp)
if len(subPaths) == 1: if len(subPaths) == 1:
replacedelement.set('id', oldId) replacedelement.set('id', "{}".format(oldId))
else: else:
replacedelement.set('id', oldId + str(idSuffix)) replacedelement.set('id', "{}-{}".format(oldId, str(idSuffix)))
idSuffix += 1 idSuffix += 1
parent.insert(idx, replacedelement) parent.insert(idx, replacedelement)
breakelements.append(replacedelement) breakelements.append(replacedelement)
@ -116,7 +136,7 @@ class FilterByLengthArea(inkex.EffectExtension):
elements.extend(self.breakContours(element, None)) elements.extend(self.breakContours(element, None))
if so.debug is True: if so.debug is True:
inkex.utils.debug("Collecting elements ...") inkex.utils.debug("Collecting svg:path elements ...")
for element in elements: for element in elements:
# additional option to apply transformations. As we clear up some groups to form new layers, we might lose translations, rotations, etc. # additional option to apply transformations. As we clear up some groups to form new layers, we might lose translations, rotations, etc.
@ -229,12 +249,15 @@ class FilterByLengthArea(inkex.EffectExtension):
if so.group is True: if so.group is True:
group.append(element) group.append(element)
if so.cleanup == True: #if len(group) == 0:
try: # group.delete()
import remove_empty_groups
remove_empty_groups.RemoveEmptyGroups.effect(self) if so.cleanup is True:
except: try:
self.msg("Calling 'Remove Empty Groups' extension failed. Maybe the extension is not installed. You can download it from official InkScape Gallery. Skipping ...") import remove_empty_groups
remove_empty_groups.RemoveEmptyGroups.effect(self)
except:
self.msg("Calling 'Remove Empty Groups' extension failed. Maybe the extension is not installed. You can download it from official InkScape Gallery. Skipping ...")
if __name__ == '__main__': if __name__ == '__main__':
FilterByLengthArea().run() FilterByLengthArea().run()