from datetime import datetime
from pymead.plugins.IGES.iges_param import IGESParam
from pymead.plugins.IGES import global_section_col_width
from pymead.version import __version__
[docs]
class GlobalParams:
"""Global parameter section setup for the IGES file format containing defaults for each value"""
units_indicators = {
"inches": (1, "INCH"),
"millimeters": (2, "MM"),
"feet": (4, "FT"),
"miles": (5, "MI"),
"meters": (6, "M"),
"kilometers": (7, "KM"),
"mils": (8, "MIL"),
"microns": (9, "UM"),
"centimeters": (10, "CM"),
"microinches": (11, "UIN"),
}
[docs]
def __init__(self):
self.parameter_delimiter_char = IGESParam(",", "string")
self.record_delimiter_char = IGESParam(";", "string")
self.product_id_sender = IGESParam("bezier_curves", "string")
self.file_name = IGESParam("", "none")
self._native_system_id = IGESParam(f"pymead {__version__}", "string")
self._preprocessor_version = IGESParam(f"pymead {__version__}", "string")
self.binary_bits_int = IGESParam(32, "int")
self.max_power_sp = IGESParam(38, "int") # single-precision
self.sig_digits_sp = IGESParam(16, "int") # single-precision
self.max_power_dp = IGESParam(38, "int") # double-precision
self.sig_digits_dp = IGESParam(16, "int") # double-precision
self.product_id_receiver = IGESParam("bezier_curves", "string")
self.model_space_scale = IGESParam(1.0, "real")
self.units_flag = IGESParam(self.units_indicators["millimeters"][0], "int")
self.units_name = IGESParam(self.units_indicators["millimeters"][1], "string")
self.max_line_weight_gradations = IGESParam(300, "int")
self.width_max_line_weight = IGESParam(2.0, "real")
self.date_and_time_file_generation = IGESParam(datetime.now(), "datetime")
self.min_model_resolution = IGESParam(1.0e-5, "real")
self.approx_max_coord_value = IGESParam(100000.0, "real")
self.author_name = IGESParam("", "none") # dtype can also be set to "string"
self.author_org = IGESParam("", "none") # dtype can also be set to "string"
self.spec_compliance_flag = IGESParam(11, "int")
self.spec_drafting_flag = IGESParam(0, "int")
self.date_time_last_modification = IGESParam(datetime.now(), "datetime")
def write_globals_string(self):
gp_list = [v.write_value_to_python_str() for v in vars(self).values()]
gp_string = self.parameter_delimiter_char.value.join(gp_list)
gp_string += self.record_delimiter_char.value
return self.word_wrap_globals(gp_string)
@staticmethod
def word_wrap_globals(old_gp_string: str):
new_gp_string = ""
start_idx, end_idx = 0, min(global_section_col_width, len(old_gp_string))
gp_line_counter = 0
for wrap_idx in range(int(len(old_gp_string) / global_section_col_width) + 1):
gp_line_counter += 1
new_gp_string += old_gp_string[start_idx:end_idx]
new_gp_string += " " * (global_section_col_width - (end_idx - start_idx))
new_gp_string += f"G{gp_line_counter:7d}\n"
start_idx += global_section_col_width
end_idx += min(global_section_col_width,
len(old_gp_string) - (wrap_idx + 1) * global_section_col_width)
return new_gp_string
