KiBot/kibot/out_vrml.py

109 lines
4.2 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (c) 2022 Salvador E. Tropea
# Copyright (c) 2022 Instituto Nacional de Tecnología Industrial
# License: GPL-3.0
# Project: KiBot (formerly KiPlot)
"""
Dependencies:
- from: KiAuto
role: mandatory
version: 2.1.0
"""
import os
from .gs import GS
from .out_base_3d import Base3DOptions, Base3D
from .misc import FAILED_EXECUTE
from .kiplot import exec_with_retry, add_extra_options
from .macros import macros, document, output_class # noqa: F401
from . import log
logger = log.get_logger()
class VRMLOptions(Base3DOptions):
def __init__(self):
with document:
self.output = GS.def_global_output
""" *Filename for the output (%i=vrml, %x=wrl) """
self.dir_models = 'shapes3D'
""" Subdirectory used to store the 3D models for the components.
If you want to create a monolithic file just use '' here.
Note that the WRL file will contain relative paths to the models """
self.use_pcb_center_as_ref = True
""" The center of the PCB will be used as reference point.
When disabled the `ref_x`, `ref_y` and `ref_units` will be used """
self.ref_x = 0
""" X coordinate to use as reference when `use_pcb_center_as_ref` is disabled """
self.ref_y = 0
""" Y coordinate to use as reference when `use_pcb_center_as_ref` is disabled """
self.ref_units = 'millimeters'
""" [millimeters,inches'] Units for `ref_x` and `ref_y` """
self.model_units = 'millimeters'
""" [millimeters,meters,deciinches,inches] Units used for the VRML (1 deciinch = 0.1 inches) """
super().__init__()
self._expand_id = 'vrml'
self._expand_ext = 'wrl'
def get_targets(self, out_dir):
targets = [self._parent.expand_filename(out_dir, self.output)]
if self.dir_models:
# We will also generate the models
dir = os.path.join(out_dir, self.dir_models)
filtered = {os.path.join(dir, os.path.basename(m)) for m in self.list_models() if m.endswith('.wrl')}
targets.extend(list(filtered))
return targets
def get_pcb_center(self):
center = GS.board.ComputeBoundingBox(True).Centre()
return self.to_mm(center.x), self.to_mm(center.y)
def run(self, name):
command = self.ensure_tool('KiAuto')
super().run(name)
board_name = self.filter_components()
cmd = [command, 'export_vrml', '--output_name', os.path.basename(name), '-U', self.model_units]
if self.dir_models:
cmd.extend(['--dir_models', self.dir_models])
if not self.use_pcb_center_as_ref or GS.ki5:
# KiCad 5 doesn't support using the center, we emulate it
if self.use_pcb_center_as_ref and GS.ki5:
x, y = self.get_pcb_center()
units = 'millimeters'
else:
x = self.ref_x
self.ref_y
units = self.ref_units
cmd.extend(['-x', str(x), '-y', str(x), '-u', units])
cmd.extend([board_name, os.path.dirname(name)])
cmd, video_remove = add_extra_options(cmd)
# Execute it
try:
ret = exec_with_retry(cmd)
finally:
self.remove_tmp_board(board_name)
if ret:
logger.error(command+' returned %d', ret)
exit(FAILED_EXECUTE)
if video_remove:
video_name = os.path.join(self.expand_filename_pcb(GS.out_dir), 'pcbnew_export_vrml_screencast.ogv')
if os.path.isfile(video_name):
os.remove(video_name)
@output_class
class VRML(BaseOutput): # noqa: F821
""" VRML (Virtual Reality Modeling Language)
Exports the PCB as a 3D model (WRL file).
This is intended for rendering, unlike STEP which is intended to be
an exact mechanic model """
def __init__(self):
super().__init__()
self._category = 'PCB/3D'
with document:
self.options = VRMLOptions
""" *[dict] Options for the `vrml` output """
@staticmethod
def get_conf_examples(name, layers, templates):
return Base3D.simple_conf_examples(name, 'PCB in VRML format', '3D')