362 lines
15 KiB
Python
362 lines
15 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (c) 2023 Salvador E. Tropea
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# Copyright (c) 2023 Instituto Nacional de Tecnología Industrial
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# License: GPL-3.0
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# Project: KiBot (formerly KiPlot)
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"""
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Dependencies:
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- from: Blender
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role: mandatory
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version: 3.4.0
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"""
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from copy import copy
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import json
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import os
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from tempfile import NamedTemporaryFile
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from .error import KiPlotConfigurationError
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from .kiplot import get_output_targets, run_output, run_command, register_xmp_import
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from .gs import GS
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from .optionable import Optionable
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from .out_base_3d import Base3DOptions, Base3D
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from .macros import macros, document, output_class # noqa: F401
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from . import log
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logger = log.get_logger()
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bb = None
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def get_board_size():
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global bb
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if bb is None:
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bb = GS.board.ComputeBoundingBox(True)
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width = GS.to_mm(bb.GetWidth())/1000.0
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height = GS.to_mm(bb.GetHeight())/1000.0
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size = max(width, height)
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return width, height, size
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class PCB2BlenderOptions(Optionable):
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""" How the PCB3D is imported """
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def __init__(self, field=None):
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super().__init__()
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with document:
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self.components = True
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""" Import the components """
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self.cut_boards = True
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""" Separate the sub-PCBs in separated 3D models """
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self.texture_dpi = 1016.0
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""" [508-2032] Texture density in dots per inch """
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self.center = True
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""" Center the PCB at the coordinates origin """
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self.enhance_materials = True
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""" Create good looking materials """
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self.merge_materials = True
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""" Reuse materials """
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self.solder_joints = "SMART"
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""" [NONE,SMART,ALL] The plug-in can add nice looking solder joints.
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This option controls if we add it for none, all or only for THT/SMD pads with solder paste """
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self.stack_boards = True
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""" Move the sub-PCBs to their relative position """
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self._unkown_is_error = True
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class BlenderOutputOptions(Optionable):
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""" What is generated """
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def __init__(self, field=None):
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super().__init__()
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with document:
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self.type = 'render'
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""" *[fbx,obj,x3d,gltf,stl,ply,blender,render] The format for the output.
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The `render` type will generate a PNG image of the render result.
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`fbx` is Kaydara's Filmbox, 'obj' is the Wavefront, 'x3d' is the new ISO/IEC standard
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that replaced VRML, `gltf` is the standardized GL format, `stl` is the 3D printing
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format, 'ply' is Polygon File Format (Stanford).
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Note that some formats includes the light and camera and others are just the 3D model
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(i.e. STL and PLY) """
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self.output = GS.def_global_output
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""" Name for the generated file (%i='blender' %x=VARIABLE).
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The extension is selected from the type """
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self._unkown_is_error = True
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class BlenderLightOptions(Optionable):
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""" A light in the scene. Currently also for the camera """
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def __init__(self, field=None):
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super().__init__()
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with document:
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self.name = ""
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""" Name for the light """
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self.pos_x = 0
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""" [number|string] X position [m]. You can use `width`, `height` and `size` for PCB dimensions """
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self.pos_y = 0
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""" [number|string] Y position [m]. You can use `width`, `height` and `size` for PCB dimensions """
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self.pos_z = 0
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""" [number|string] Z position [m]. You can use `width`, `height` and `size` for PCB dimensions """
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self._unkown_is_error = True
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def solve(self, member):
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val = getattr(self, member)
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if not isinstance(val, str):
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return float(val)
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try:
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res = eval(val, {}, {'width': self._width, 'height': self._width, 'size': self._size})
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except Exception as e:
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raise KiPlotConfigurationError('wrong `{}`: `{}`\nPython says: `{}`'.format(member, val, str(e)))
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return res
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def config(self, parent):
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super().config(parent)
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self._width, self._height, self._size = get_board_size()
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self.pos_x = self.solve('pos_x')
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self.pos_y = self.solve('pos_y')
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self.pos_z = self.solve('pos_z')
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class BlenderRenderOptions(Optionable):
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""" Render parameters """
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def __init__(self, field=None):
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super().__init__()
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with document:
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self.samples = 10
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""" *How many samples we create. Each sample is a raytracing render.
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Use 1 for a raw preview, 10 for a draft and 100 or more for the final render """
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self.resolution_x = 1280
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""" Width of the image """
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self.resolution_y = 720
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""" Height of the image """
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self.transparent_background = False
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""" *Make the background transparent """
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self.background1 = "#66667F"
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""" First color for the background gradient """
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self.background2 = "#CCCCE5"
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""" Second color for the background gradient """
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self._unkown_is_error = True
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class Blender_ExportOptions(Base3DOptions):
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_views = {'top': 'z', 'bottom': 'Z', 'front': 'y', 'rear': 'Y', 'right': 'x', 'left': 'X'}
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def __init__(self):
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with document:
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self.pcb3d = ""
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""" *Name of the output that generated the PCB3D file to import in Belnder.
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See the `PCB2Blender_2_1` and `PCB2Blender_2_1_haschtl` templates """
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self.pcb_import = PCB2BlenderOptions
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""" Options to configure how Blender imports the PCB.
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The default values are good for most cases """
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self.outputs = BlenderOutputOptions
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""" [dict|list(dict)] Outputs to generate in the same run """
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self.light = BlenderLightOptions
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""" [dict|list(dict)] Options for the light/s """
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self.add_default_light = True
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""" Add a default light when none specified.
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The default light is located at (-size*3.33, size*3.33, size*5) where size is max(width, height) of the PCB """
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self.camera = BlenderLightOptions
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""" [dict] Options for the camera.
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If none specified KiBot will create a suitable camera """
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self.render_options = BlenderRenderOptions
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""" *[dict] How the render is done for the `render` output type """
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self.rotate_x = 0
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""" Angle to rotate the board in the X axis, positive is clockwise [degrees] """
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self.rotate_y = 0
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""" Angle to rotate the board in the Y axis, positive is clockwise [degrees] """
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self.rotate_z = 0
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""" Angle to rotate the board in the Z axis, positive is clockwise [degrees] """
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self.view = 'top'
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""" *[top,bottom,front,rear,right,left,z,Z,y,Y,x,X] Point of view.
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Compatible with `render_3d` """
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super().__init__()
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self._expand_id += '_blender'
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self._unkown_is_error = True
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def config(self, parent):
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super().config(parent)
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# Check we at least have a name for the source output
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if not self.pcb3d:
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raise KiPlotConfigurationError('You must specify the name of the output that generates the PCB3D file')
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# Do we have outputs?
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if isinstance(self.outputs, type):
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raise KiPlotConfigurationError('You must specify at least one output')
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elif isinstance(self.outputs, BlenderOutputOptions):
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# One, make a list
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self.outputs = [self.outputs]
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# Ensure we have import options
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if isinstance(self.pcb_import, type):
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self.pcb_import = PCB2BlenderOptions()
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# Ensure we have a light
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if isinstance(self.light, type):
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# None
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if self.add_default_light:
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# Create one
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light = BlenderLightOptions()
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light.name = 'kibot_light'
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_, _, size = get_board_size()
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light.pos_x = -size*3.33
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light.pos_y = size*3.33
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light.pos_z = size*5.0
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self.light = [light]
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else:
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# The dark ...
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self.light = []
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elif isinstance(self.light, BlenderLightOptions):
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# Ensure a list
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self.light = [self.light]
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# Check light names
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light_names = set()
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for li in self.light:
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name = li.name if li.name else 'kibot_light'
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if name in light_names:
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id = 2
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while name+'_'+str(id) in light_names:
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id += 1
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name = name+'_'+str(id)
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li.name = name
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# If no camera let the script create one
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if isinstance(self.camera, type):
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self.camera = None
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elif not self.camera.name:
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self.camera.name = 'kibot_camera'
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# Ensure we have some render options
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if isinstance(self.render_options, type):
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self.render_options = BlenderRenderOptions()
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# View point
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view = self._views.get(self.view, None)
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if view is not None:
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self.view = view
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def run(self, output):
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super().run(output)
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command = self.ensure_tool('Blender')
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pcb3d_targets, pcb3d_out_dir, pcb3d_out = get_output_targets(self.pcb3d, self._parent)
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pcb3d_file = pcb3d_targets[0]
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logger.debug('- From file '+pcb3d_file)
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if not pcb3d_out._done:
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logger.debug('- Running '+self.pcb3d)
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run_output(pcb3d_out)
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if not os.path.isfile(pcb3d_file):
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raise KiPlotConfigurationError('Missing '+pcb3d_file)
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# Create a JSON with the scene information
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with NamedTemporaryFile(mode='w', suffix='.json') as f:
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scene = {}
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if self.light:
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lights = [{'name': light.name, 'position': (light.pos_x, light.pos_y, light.pos_z)} for light in self.light]
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scene['lights'] = lights
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if self.camera:
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scene['camera'] = {'name': self.camera.name,
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'position': (self.camera.pos_x, self.camera.pos_y, self.camera.pos_z)}
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ro = self.render_options
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scene['render'] = {'samples': ro.samples,
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'resolution_x': ro.resolution_x,
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'resolution_y': ro.resolution_y,
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'transparent_background': ro.transparent_background,
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'background1': ro.background1,
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'background2': ro.background2}
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if self.rotate_x:
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scene['rotate_x'] = -self.rotate_x
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if self.rotate_y:
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scene['rotate_y'] = -self.rotate_y
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if self.rotate_z:
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scene['rotate_z'] = -self.rotate_z
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if self.view:
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scene['view'] = self.view
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text = json.dumps(scene, sort_keys=True, indent=2)
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logger.debug('Scene:\n'+text)
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f.write(text)
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f.flush()
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# Create the command line
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script = os.path.join(os.path.dirname(__file__), 'blender_scripts', 'blender_export.py')
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cmd = [command, '-b', '--factory-startup', '-P', script, '--']
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pi = self.pcb_import
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if not pi.components:
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cmd.append('--no_components')
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if not pi.cut_boards:
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cmd.append('--dont_cut_boards')
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if pi.texture_dpi != 1016.0:
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cmd.extend(['--texture_dpi', str(pi.texture_dpi)])
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if not pi.center:
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cmd.append('--dont_center')
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if not pi.enhance_materials:
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cmd.append('--dont_enhance_materials')
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if not pi.merge_materials:
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cmd.append('--dont_merge_materials')
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if pi.solder_joints != "SMART":
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cmd.extend(['--solder_joints', pi.solder_joints])
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if not pi.stack_boards:
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cmd.append('--dont_stack_boards')
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cmd.append('--format')
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cmd.extend([o.type for o in self.outputs])
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cmd.append('--output')
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for o in self.outputs:
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if o.type == 'render':
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self._expand_ext = 'png'
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elif o.type == 'blender':
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self._expand_ext = 'blend'
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else:
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self._expand_ext = o.type
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cmd.append(self._parent.expand_filename(self._parent.output_dir, o.output))
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cmd.extend(['--scene', f.name])
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cmd.append(pcb3d_file)
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# Execute the command
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run_command(cmd)
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@output_class
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class Blender_Export(Base3D):
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""" Blender Export **Experimental**
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Exports the PCB in various 3D file formats.
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Also renders the PCB in high-quality.
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This output is complex to setup and needs very big dependencies.
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Please be patient when using it.
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You need Blender with the pcb2blender plug-in installed.
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Visit: [pcb2blender](https://github.com/30350n/pcb2blender) """
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def __init__(self):
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super().__init__()
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with document:
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self.options = Blender_ExportOptions
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""" *[dict] Options for the `blender_export` output """
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self._category = 'PCB/3D'
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@staticmethod
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def get_conf_examples(name, layers, templates):
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if not GS.check_tool(name, 'Blender'):
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return None
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outs = []
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has_top = False
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has_bottom = False
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for la in layers:
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if la.is_top() or la.layer.startswith('F.'):
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has_top = True
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elif la.is_bottom() or la.layer.startswith('B.'):
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has_bottom = True
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if not has_top and not has_bottom:
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return None
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register_xmp_import('PCB2Blender_2_1')
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out_ops = {'pcb3d': '_PCB2Blender_2_1', 'outputs': [{'type': 'render'}]}
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if has_top:
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gb = {}
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gb['name'] = 'basic_{}_top'.format(name)
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gb['comment'] = '3D view from top (Blender)'
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gb['type'] = name
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gb['dir'] = '3D'
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gb['options'] = copy(out_ops)
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outs.append(gb)
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gb = {}
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gb['name'] = 'basic_{}_30deg'.format(name)
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gb['comment'] = '3D view from 30 degrees (Blender)'
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gb['type'] = name
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gb['dir'] = '3D'
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gb['output_id'] = '30deg'
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gb['options'] = copy(out_ops)
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gb['options'].update({'rotate_x': 30, 'rotate_z': -20})
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outs.append(gb)
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if has_bottom:
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gb = {}
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gb['name'] = 'basic_{}_bottom'.format(name)
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gb['comment'] = '3D view from bottom (Blender)'
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gb['type'] = name
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gb['dir'] = '3D'
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gb['options'] = copy(out_ops)
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gb['options'].update({'view': 'bottom'})
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outs.append(gb)
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return outs
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