800 lines
28 KiB
Python
800 lines
28 KiB
Python
# ***************************************************************************
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# * Copyright (c) 2019 Bernd Hahnebach <bernd@bimstatik.org> *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * This program is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this program; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************
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__title__ = "material cards utilities"
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__author__ = "Bernd Hahnebach"
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__url__ = "http://www.freecadweb.org"
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import os
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import sys
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from os.path import join
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import FreeCAD
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if sys.version_info.major >= 3:
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unicode = str
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# TODO:
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# move material GUI preferences from FEM to an own preference tab in Material
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# move preference GUI code to material module
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# https://forum.freecadweb.org/viewtopic.php?f=10&t=35515
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# TODO:
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# implement method check_material_keys from FEM material task panel for material editor
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# may be move out of the FEM material task panel to here
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# make the method more generic to be compatible with all known params
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# the material template knows the units
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# ***** card handling data models ****************************************************************
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'''
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data model:
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materials = { card_path: mat_dict, ... }
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cards = { card_path: card_name, ... }
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icons = { card_path: icon_path, ... }
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- duplicates are allowed
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- the whole card_path is saved into the combo box widget, this makes card unique
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- sorting happens on adding to the combo box widgets
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a data modell which uses a class and attributes as well as methods to access the attributes
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would makes sense, like some material library class
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this has been done already by eivind see
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https://forum.freecadweb.org/viewtopic.php?f=38&t=16714
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'''
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# ***** get resources for cards ******************************************************************
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def get_material_resources(category='Solid'):
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resources = {} # { resource_path: icon_path, ... }
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# TODO: move GUI preferences from FEM to a new side tab Material
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# https://forum.freecadweb.org/viewtopic.php?f=10&t=35515
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mat_prefs = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Material/Resources")
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use_built_in_materials = mat_prefs.GetBool("UseBuiltInMaterials", True)
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use_mat_from_config_dir = mat_prefs.GetBool("UseMaterialsFromConfigDir", True)
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use_mat_from_custom_dir = mat_prefs.GetBool("UseMaterialsFromCustomDir", True)
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if use_built_in_materials:
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if category == 'Fluid':
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builtin_mat_dir = join(
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FreeCAD.getResourceDir(), "Mod", "Material", "FluidMaterial"
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)
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else:
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builtin_mat_dir = join(
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FreeCAD.getResourceDir(), "Mod", "Material", "StandardMaterial"
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)
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resources[builtin_mat_dir] = ":/icons/freecad.svg"
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if use_mat_from_config_dir:
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config_mat_dir = join(
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FreeCAD.ConfigGet("UserAppData"), "Material"
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)
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resources[config_mat_dir] = ":/icons/preferences-general.svg"
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if use_mat_from_custom_dir:
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custom_mat_dir = mat_prefs.GetString("CustomMaterialsDir", "")
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if os.path.exists(custom_mat_dir):
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resources[custom_mat_dir] = ":/icons/user.svg"
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else:
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FreeCAD.Console.PrintError(
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'Custom material directory set by user: {} does not exist.\n'
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.format(custom_mat_dir)
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)
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return resources
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def output_resources(resources):
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FreeCAD.Console.PrintMessage('Directories in which we will look for material cards:\n')
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for path in resources.keys():
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FreeCAD.Console.PrintMessage(' {}\n'.format(path))
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# ***** card handling ****************************************************************************
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# used in material editor and FEM material task panels
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def import_materials(category='Solid', template=False):
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resources = get_material_resources(category)
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materials = {}
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cards = {}
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icons = {}
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for path in resources.keys():
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materials, cards, icons = add_cards_from_a_dir(
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materials,
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cards,
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icons,
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path,
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resources[path]
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)
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return (materials, cards, icons)
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def add_cards_from_a_dir(materials, cards, icons, mat_dir, icon, template=False):
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# fill materials and icons
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import glob
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from importFCMat import read
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dir_path_list = glob.glob(mat_dir + '/*' + ".FCMat")
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mat_prefs = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Material/Cards")
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delete_duplicates = mat_prefs.GetBool("DeleteDuplicates", True)
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# duplicates are indicated on equality of mat dict
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# TODO if the unit is different two cards would be different too
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for a_path in dir_path_list:
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try:
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mat_dict = read(a_path)
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except:
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FreeCAD.Console.PrintError(
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'Error on reading card data. The card data will be empty for card:\n{}\n'
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.format(a_path)
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)
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mat_dict = {}
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card_name = os.path.splitext(os.path.basename(a_path))[0]
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if (card_name == 'TEMPLATE') and (template is False):
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continue
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if delete_duplicates is False:
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materials[a_path] = mat_dict
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cards[a_path] = card_name
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icons[a_path] = icon
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else:
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if mat_dict not in materials.values():
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materials[a_path] = mat_dict
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cards[a_path] = card_name
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icons[a_path] = icon
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return (materials, cards, icons)
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def output_trio(trio):
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materials, cards, icons = trio
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FreeCAD.Console.PrintMessage('\n\n')
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for mat_card in materials:
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FreeCAD.Console.PrintMessage(
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'{} --> {} -->{}\n'
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.format(cards[mat_card], mat_card, icons[mat_card])
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)
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FreeCAD.Console.PrintMessage('\n\n')
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def output_cards(cards):
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FreeCAD.Console.PrintMessage('\n\n')
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for mat_card in cards:
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FreeCAD.Console.PrintMessage('{} --> {}\n'.format(mat_card, cards[mat_card]))
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FreeCAD.Console.PrintMessage('\n\n')
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def output_icons(icons):
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FreeCAD.Console.PrintMessage('\n\n')
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for mat_card in icons:
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FreeCAD.Console.PrintMessage('{} --> {}\n'.format(mat_card, icons[mat_card]))
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FreeCAD.Console.PrintMessage('\n\n')
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def output_materials(materials):
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FreeCAD.Console.PrintMessage('\n\n')
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for mat_card in materials:
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FreeCAD.Console.PrintMessage('{}\n'.format(mat_card))
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output_material_param(materials[mat_card])
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FreeCAD.Console.PrintMessage('\n\n')
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def output_material_param(mat_dict):
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# thus we check for None
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if not mat_dict:
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FreeCAD.Console.PrintMessage(' empty matdict\n')
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else:
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for p in mat_dict:
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FreeCAD.Console.PrintMessage(' {} --> {}\n'.format(p, mat_dict[p]))
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FreeCAD.Console.PrintMessage('\n')
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# ***** material card template *******************************************************************
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def get_material_template(withSpaces=False):
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# material properties
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# see the following resources in the FreeCAD wiki for more
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# information about the material specific properties:
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# https://www.freecadweb.org/wiki/Material_data_model
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# https://www.freecadweb.org/wiki/Material
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import yaml
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template_data = yaml.safe_load(
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open(join(FreeCAD.ConfigGet('AppHomePath'), 'Mod/Material/Templatematerial.yml'))
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)
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if withSpaces:
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# on attributes, add a space before a capital letter
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# will be used for better display in the ui
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import re
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for group in template_data:
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gg = list(group.keys())[0] # group dict has only one key
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# iterating over a dict and changing it is not allowed
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# thus it is iterated over a list of the keys
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for proper in list(group[gg].keys()):
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new_proper = re.sub(r"(\w)([A-Z]+)", r"\1 \2", proper)
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group[gg][new_proper] = group[gg][proper]
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del group[gg][proper]
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return template_data
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def create_mat_tools_header():
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headers = join(get_source_path(), 'src/Mod/Material/StandardMaterial/Tools/headers')
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print(headers)
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if not os.path.isfile(headers):
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FreeCAD.Console.PrintError(
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'file not found: {}'.format(headers)
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)
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return
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template_data = get_material_template()
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f = open(headers, "w")
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for group in template_data:
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gg = list(group.keys())[0] # group dict has only one key
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# do not write group UserDefined
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if gg != 'UserDefined':
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for prop_name in group[gg]:
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if prop_name != 'None':
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f.write(prop_name + '\n')
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f.close
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def create_mat_template_card(write_group_section=True):
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template_card = join(get_source_path(), 'src/Mod/Material/StandardMaterial/TEMPLATE.FCMat')
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if not os.path.isfile(template_card):
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FreeCAD.Console.PrintError(
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'file not found: {}'.format(template_card)
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)
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return
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rev = "{}.{}.{}".format(
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FreeCAD.ConfigGet("BuildVersionMajor"),
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FreeCAD.ConfigGet("BuildVersionMinor"),
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FreeCAD.ConfigGet("BuildRevision")
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)
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template_data = get_material_template()
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f = open(template_card, "w")
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f.write('; TEMPLATE\n')
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f.write('; (c) 2013-2015 Juergen Riegel (CC-BY 3.0)\n')
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f.write('; information about the content of such cards can be found on the wiki:\n')
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f.write('; https://www.freecadweb.org/wiki/Material\n')
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f.write(': this template card was created by FreeCAD ' + rev + '\n\n')
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f.write('; localized Name, Description and KindOfMaterial uses 2 letter codes\n')
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f.write('; defined in ISO-639-1, see https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes\n')
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f.write('; find unit information in src/App/FreeCADInit.py')
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# write sections
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# write standard FCMat section if write group section parameter is set to False
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if write_group_section is False:
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f.write("\n[FCMat]\n")
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for group in template_data:
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gg = list(group.keys())[0] # group dict has only one key
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# do not write groups Meta and UserDefined
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if (gg != 'Meta') and (gg != 'UserDefined'):
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# only write group section if write group section parameter is set to True
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if write_group_section is True:
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f.write("\n\n[" + gg + "]")
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for prop_name in group[gg]:
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f.write('\n')
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description = group[gg][prop_name]['Description']
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if not description.strip():
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f.write('; Description to be updated\n')
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else:
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f.write('; ' + description + '\n')
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url = group[gg][prop_name]['URL']
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if url.strip():
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f.write('; ' + url + '\n')
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f.write(prop_name + ' =\n')
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f.close
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# card tools will not be copied into build ... thus they are not there ...
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# thus the source dir is needed, this might not work on windows
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def get_source_path():
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# in the file 'Makefile' in build directory the cmake variable CMAKE_SOURCE_DIR has the dir
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source_dir = ''
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make_file = join(FreeCAD.ConfigGet('AppHomePath'), 'Makefile')
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f = open(make_file, 'r')
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lines = f.readlines()
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f.close()
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for line in lines:
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if line.startswith('CMAKE_SOURCE_DIR'):
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source_dir = line.lstrip('CMAKE_SOURCE_DIR = ')
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source_dir = source_dir.rstrip() # get rid on new line and white spaces etc.
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break
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# print(source_dir)
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return source_dir
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def get_known_material_quantity_parameter():
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# get the material quantity parameter from material card template
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template_data = get_material_template()
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known_quantities = []
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for group in template_data:
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gname = list(group.keys())[0] # group dict has only one key
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for prop_name in group[gname]:
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prop_type = group[gname][prop_name]['Type']
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if prop_type == 'Quantity':
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# print('{} --> {}'.format(prop_name, prop_type))
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known_quantities.append(prop_name)
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return known_quantities
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# ***** debug known and not known material parameter *********************************************
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def get_and_output_all_carddata(cards):
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print('\n\n\nSTART--get_and_output_all_carddata\n--------------------')
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# get all registered material property keys
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registed_cardkeys = []
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template_data = get_material_template()
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# print(template_data)
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for group in template_data:
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gg = list(group.keys())[0] # group dict has only one key
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for key in group[gg]:
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registed_cardkeys.append(key)
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registed_cardkeys = sorted(registed_cardkeys)
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# print(registed_cardkeys)
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# get all data from all known cards
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all_cards_and_data = {} # {cardfilename: ['path', materialdict]}
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for card in cards:
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from importFCMat import read
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d = read(cards[card])
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all_cards_and_data[card] = [cards[card], d]
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'''
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for card in all_cards_and_data:
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print(card)
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print(all_cards_and_data[card][0])
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print(all_cards_and_data[card][1])
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print('\n')
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'''
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# find not registered and registered keys in the used data
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used_and_registered_cardkeys = []
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used_and_not_registered_cardkeys = []
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registered_and_not_used_cardkeys = []
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for card in all_cards_and_data:
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for k in all_cards_and_data[card][1]:
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if k in registed_cardkeys:
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used_and_registered_cardkeys.append(k)
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else:
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used_and_not_registered_cardkeys.append(k)
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for k in registed_cardkeys:
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if (k not in used_and_registered_cardkeys) and (k not in used_and_not_registered_cardkeys):
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registered_and_not_used_cardkeys.append(k)
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used_and_registered_cardkeys = sorted(list(set(used_and_registered_cardkeys)))
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used_and_not_registered_cardkeys = sorted(list(set(used_and_not_registered_cardkeys)))
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registered_and_not_used_cardkeys = sorted(list(set(registered_and_not_used_cardkeys)))
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FreeCAD.Console.PrintMessage(
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'\nused_and_registered_cardkeys:\n{}\n'
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.format(used_and_registered_cardkeys)
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)
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FreeCAD.Console.PrintMessage(
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'\nused_and_not_registered_cardkeys:\n{}\n'
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.format(used_and_not_registered_cardkeys)
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)
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FreeCAD.Console.PrintMessage(
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'\nregistered_and_not_used_cardkeys:\n{}\n'
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.format(registered_and_not_used_cardkeys)
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)
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# still there might be lots of properties in the template
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# which are not used in other materials
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# but the tmplate is handled here like a material
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print('--------------------\nget_and_output_all_carddata--END\n\n\n')
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# ***** process multiple material cards **********************************************************
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def read_cards_from_path(cards_path):
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from os import listdir
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from os.path import isfile, join, basename, splitext
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from importFCMat import read
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only_files = [f for f in listdir(cards_path) if isfile(join(cards_path, f))]
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# to make sure all file lower and upper and mixed endings are found, use upper and .FCMAT
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mat_files = [f for f in only_files if basename(splitext(f)[1]).upper() == '.FCMAT']
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# print(mat_files)
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mat_cards = []
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for f in sorted(mat_files):
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mat_cards.append(read(join(cards_path, f)))
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return mat_cards
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def write_cards_to_path(cards_path, cards_data, write_group_section=True, write_template=False):
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from importFCMat import write
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from os.path import join
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for card_data in cards_data:
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if (card_data['CardName'] == 'TEMPLATE') and (write_template is False):
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continue
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else:
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card_path = join(cards_path, (card_data['CardName'] + '.FCMat'))
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print(card_path)
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if write_group_section is True:
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write(card_path, card_data, True)
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else:
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write(card_path, card_data, False)
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# ***** material parameter units *********************************************
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def check_parm_unit(param):
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# check if this parameter is known to FreeCAD unit system
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from FreeCAD import Units
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# FreeCAD.Console.PrintMessage('{}\n'.format(param))
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if hasattr(Units, param):
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return True
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else:
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return False
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def check_value_unit(param, value):
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# check unit
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from FreeCAD import Units
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# FreeCAD.Console.PrintMessage('{} --> {}\n'.format(param, value))
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if hasattr(Units, param):
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# get unit and other information known by FreeCAD for this parameter
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unit = getattr(Units, param)
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quantity = Units.Quantity(1, unit)
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user_prefered_unit = quantity.getUserPreferred()[2]
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# test unit from mat dict value
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some_text = "Parameter: {} --> value: {} -->".format(param, value)
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try:
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param_value = Units.Quantity(value)
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try:
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user_unit = param_value.getValueAs(user_prefered_unit)
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if user_unit:
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return True
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elif user_unit == 0:
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FreeCAD.Console.PrintMessage(
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'{} Value {} = 0 for {}\n'
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.format(some_text, value, param)
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)
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return True
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else:
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FreeCAD.Console.PrintError(
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'{} Not known problem in unit conversion.\n'
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.format(some_text)
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)
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except ValueError:
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unitproblem = value.split()[-1]
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FreeCAD.Console.PrintError(
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'{} Unit {} is known by FreeCAD, but wrong for parameter {}.\n'
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.format(some_text, unitproblem, param)
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)
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except:
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|
FreeCAD.Console.PrintError(
|
|
'{} Not known problem.\n'
|
|
.format(some_text)
|
|
)
|
|
except ValueError:
|
|
unitproblem = value.split()[-1]
|
|
FreeCAD.Console.PrintError(
|
|
'{} Unit {} is not known by FreeCAD.\n'
|
|
.format(some_text, unitproblem)
|
|
)
|
|
except:
|
|
FreeCAD.Console.PrintError(
|
|
'{} Not known problem.\n'
|
|
.format(some_text)
|
|
)
|
|
else:
|
|
FreeCAD.Console.PrintError(
|
|
'Parameter {} is not known to FreeCAD unit system.\n'
|
|
.format(param)
|
|
)
|
|
return False
|
|
|
|
|
|
def output_parm_unit_info(param):
|
|
# check unit
|
|
from FreeCAD import Units
|
|
FreeCAD.Console.PrintMessage('{}\n'.format(param))
|
|
if hasattr(Units, param):
|
|
FreeCAD.Console.PrintMessage(
|
|
'\nParameter {} is known to FreeCAD unit system.'
|
|
.format(param)
|
|
)
|
|
|
|
# get unit and other information known by FreeCAD for this parameter
|
|
unit = getattr(Units, param)
|
|
FreeCAD.Console.PrintMessage(
|
|
'{}\n'
|
|
.format(unit)
|
|
)
|
|
|
|
quantity = Units.Quantity(1, unit)
|
|
FreeCAD.Console.PrintMessage(
|
|
'{}\n'
|
|
.format(quantity)
|
|
)
|
|
|
|
user_prefered_unit = quantity.getUserPreferred()[2]
|
|
FreeCAD.Console.PrintMessage(
|
|
'{}\n'
|
|
.format(user_prefered_unit)
|
|
)
|
|
|
|
else:
|
|
FreeCAD.Console.PrintMessage(
|
|
'Parameter {} is NOT known to FreeCAD unit system.'
|
|
.format(param)
|
|
)
|
|
|
|
|
|
def output_value_unit_info(param, value):
|
|
# check unit
|
|
from FreeCAD import Units
|
|
some_text = "Parameter: {} --> value: {} -->".format(param, value)
|
|
FreeCAD.Console.PrintMessage('{} unit information:'.format(some_text))
|
|
if hasattr(Units, param):
|
|
|
|
# get unit and other information known by FreeCAD for this parameter
|
|
unit = getattr(Units, param)
|
|
FreeCAD.Console.PrintMessage(
|
|
'{}\n'
|
|
.format(unit)
|
|
)
|
|
|
|
quantity = Units.Quantity(1, unit)
|
|
FreeCAD.Console.PrintMessage(
|
|
'{}\n'
|
|
.format(quantity)
|
|
)
|
|
|
|
user_prefered_unit = quantity.getUserPreferred()[2]
|
|
FreeCAD.Console.PrintMessage(
|
|
'{}\n'
|
|
.format(user_prefered_unit)
|
|
)
|
|
|
|
# test unit from mat dict value
|
|
try:
|
|
param_value = Units.Quantity(value)
|
|
try:
|
|
user_unit = param_value.getValueAs(user_prefered_unit)
|
|
FreeCAD.Console.PrintMessage(
|
|
'{} Value in preferred unit: {}\n'
|
|
.format(some_text, user_unit)
|
|
)
|
|
except ValueError:
|
|
unitproblem = value.split()[-1]
|
|
FreeCAD.Console.PrintError(
|
|
'{} Unit {} is known by FreeCAD, but wrong for parameter {}.\n'
|
|
.format(some_text, unitproblem, param)
|
|
)
|
|
except:
|
|
FreeCAD.Console.PrintError(
|
|
'{} Not known problem.\n'
|
|
.format(some_text)
|
|
)
|
|
|
|
except ValueError:
|
|
unitproblem = value.split()[-1]
|
|
FreeCAD.Console.PrintError(
|
|
'{} Unit {} is not known by FreeCAD.\n'
|
|
.format(some_text, unitproblem)
|
|
)
|
|
|
|
except:
|
|
FreeCAD.Console.PrintError(
|
|
'{} Not known problem.\n'
|
|
.format(some_text)
|
|
)
|
|
|
|
else:
|
|
FreeCAD.Console.PrintMessage(
|
|
'Parameter {} is not known to FreeCAD unit system.'
|
|
.format(param)
|
|
)
|
|
|
|
|
|
def check_mat_units(mat):
|
|
known_quantities = get_known_material_quantity_parameter()
|
|
# check if the param is a Quantity according to the card template
|
|
# then check unit
|
|
# print(known_quantities)
|
|
units_ok = True
|
|
for param, value in mat.items():
|
|
if param in known_quantities:
|
|
if check_value_unit(param, value) is False:
|
|
if units_ok is True:
|
|
units_ok = False
|
|
else:
|
|
pass
|
|
# print('{} is not a known FreeCAD quantity.'.format(param))
|
|
# print('')
|
|
return units_ok
|
|
|
|
|
|
# ***** some code examples ***********************************************************************
|
|
'''
|
|
# cards, params, icons and resources **********
|
|
from materialtools.cardutils import get_material_resources as getres
|
|
from materialtools.cardutils import output_resources as outres
|
|
outres(getres())
|
|
|
|
|
|
from materialtools.cardutils import import_materials as getmats
|
|
from materialtools.cardutils import output_materials as outmats
|
|
from materialtools.cardutils import output_trio as outtrio
|
|
|
|
outmats(getmats()[0])
|
|
|
|
outtrio(getmats())
|
|
|
|
a,b,c = getmats()
|
|
materials, cards, icons = getmats()
|
|
|
|
|
|
# param template, header, template card **********
|
|
from materialtools.cardutils import get_material_template as gettemplate
|
|
gettemplate()
|
|
|
|
gettemplate()[1]['General']['Description']
|
|
gettemplate()[2]['Mechanical']['FractureToughness']
|
|
|
|
|
|
from materialtools.cardutils import get_material_template as gettemplate
|
|
template_data=gettemplate()
|
|
for group in template_data:
|
|
gname = list(group.keys())[0] # group dict has only one key
|
|
for prop_name in group[gname]:
|
|
#prop_dict = group[gname][prop_name]
|
|
#print(prop_dict)
|
|
#print(prop_dict['Description'])
|
|
print(group[gname][prop_name]['Description'])
|
|
|
|
|
|
from materialtools.cardutils import create_mat_tools_header as createheader
|
|
createheader()
|
|
|
|
|
|
from materialtools.cardutils import create_mat_template_card as createtemplate
|
|
createtemplate()
|
|
createtemplate(False)
|
|
|
|
|
|
from materialtools.cardutils import get_source_path as getsrc
|
|
getsrc()
|
|
|
|
|
|
# generate all cards **********
|
|
# run tools in source dir
|
|
./make_ods.sh
|
|
./make_FCMats.sh
|
|
|
|
# read cards
|
|
from materialtools.cardutils import read_cards_from_path as readcards
|
|
from materialtools.cardutils import get_source_path as getsrc
|
|
cards_data = readcards(getsrc() + '/src/Mod/Material/StandardMaterial/')
|
|
|
|
# print cards
|
|
for c in cards_data:
|
|
print(c)
|
|
|
|
# write cards
|
|
from materialtools.cardutils import write_cards_to_path as writecards
|
|
from materialtools.cardutils import get_source_path as getsrc
|
|
|
|
# True writes sections ( method write_group_section is used =)
|
|
writecards(getsrc() + '/src/Mod/Material/StandardMaterial/', cards_data, True)
|
|
|
|
writecards(getsrc() + '/src/Mod/Material/StandardMaterial/', cards_data, False)
|
|
|
|
# last True writes the TEMPLATE card which has no mat params because they have no values
|
|
writecards(getsrc() + '/src/Mod/Material/StandardMaterial/', cards_data, True, True)
|
|
|
|
|
|
# material quantity parameter unit checks **********
|
|
from materialtools.cardutils import output_parm_unit_info as unitinfo
|
|
unitinfo('YoungsModulus')
|
|
unitinfo('FractureToughness')
|
|
unitinfo('PoissonRatio')
|
|
|
|
from materialtools.cardutils import check_parm_unit as checkparamunit
|
|
checkparamunit('YoungsModulus')
|
|
checkparamunit('FractureToughness')
|
|
|
|
from materialtools.cardutils import output_value_unit_info as valueunitinfo
|
|
valueunitinfo('YoungsModulus', '1 MPa')
|
|
valueunitinfo('FractureToughness', '25')
|
|
valueunitinfo('Density', '1 kg/m^3')
|
|
valueunitinfo('Density', '0 kg/m^3')
|
|
|
|
from materialtools.cardutils import check_value_unit as checkvalueunit
|
|
checkvalueunit('YoungsModulus', '1 MPa')
|
|
checkvalueunit('FractureToughness', '25')
|
|
checkvalueunit('Density', '1 kg/m^3')
|
|
checkvalueunit('Density', '0 kg/m^3')
|
|
|
|
# test mat unit properties
|
|
mat = {
|
|
'Name': 'Concrete',
|
|
'AngleOfFriction' : '1 deg',
|
|
'CompressiveStrength': '1 MPa',
|
|
'Density': '1 kg/m^3',
|
|
'ShearModulus' : '1 MPa',
|
|
'UltimateTensileStrength' : '1 MPa',
|
|
'YieldStrength' : '1 MPa',
|
|
'YoungsModulus': '1 MPa',
|
|
'SpecificHeat' : '1 J/kg/K',
|
|
'ThermalConductivity' : '1 W/m/K',
|
|
'ThermalExpansionCoefficient' : '1 mm/mm/K'
|
|
}
|
|
from materialtools.cardutils import check_mat_units as checkunits
|
|
checkunits(mat)
|
|
|
|
# not known quantities, returns True too
|
|
mat = {
|
|
'Name': 'Concrete',
|
|
'FractureToughness' : '1',
|
|
'PoissonRatio': '0.17' # no unit but important too, proof somehow too
|
|
}
|
|
from materialtools.cardutils import check_mat_units as checkunits
|
|
checkunits(mat)
|
|
|
|
# wrong units
|
|
mat = {
|
|
'Name': 'Concrete',
|
|
'CompressiveStrength': '12356 MBa', # type on unit, means unit not knwn
|
|
'YoungsModulus': '654321 m', # unit known, but wrong unit for this property
|
|
}
|
|
from materialtools.cardutils import check_mat_units as checkunits
|
|
checkunits(mat)
|
|
|
|
# missing unit, returns False
|
|
mat = {
|
|
'Name': 'Concrete',
|
|
'YoungsModulus' : '1'
|
|
}
|
|
from materialtools.cardutils import check_mat_units as checkunits
|
|
checkunits(mat)
|
|
|
|
# empty dict, returns True
|
|
from materialtools.cardutils import check_mat_units as checkunits
|
|
checkunits({})
|
|
|
|
|
|
# some unit code **********
|
|
from FreeCAD import Units
|
|
getattr(Units, 'Pressure')
|
|
Units.Pressure
|
|
Units.Quantity('25 MPa')
|
|
Units.Quantity('25 MPa').getValueAs('Pa')
|
|
Units.Quantity('25 MPa').getUserPreferred()[2]
|
|
Units.Quantity(25000, Units.Pressure)
|
|
Units.Quantity(25000, Units.Pressure).getValueAs('MPa')
|
|
Units.Unit('25 MPa')
|
|
Units.Unit(-1,1,-2,0,0,0,0,0)
|
|
|
|
# base units
|
|
from FreeCAD import Units
|
|
Units.Length
|
|
Units.Mass
|
|
Units.TimeSpan
|
|
Units.ElectricCurrent
|
|
Units.Temperature
|
|
Units.AmountOfSubstance
|
|
Units.LuminousIntensity
|
|
Units.Angle
|
|
|
|
|
|
'''
|