diff options
Diffstat (limited to 'kimesh/mesh_dialog.py')
| -rw-r--r-- | kimesh/mesh_dialog.py | 695 |
1 files changed, 695 insertions, 0 deletions
diff --git a/kimesh/mesh_dialog.py b/kimesh/mesh_dialog.py new file mode 100644 index 0000000..fbdbd7a --- /dev/null +++ b/kimesh/mesh_dialog.py @@ -0,0 +1,695 @@ +from collections import defaultdict +import dataclasses +from contextlib import contextmanager +import textwrap +import random +import math +from itertools import count, islice +import json +from os import path + +import wx + +import pcbnew + +import matplotlib.cm +import shapely +from shapely import geometry +from shapely.geometry import polygon +from shapely import affinity +import shapely.ops + +from . import mesh_plugin_dialog + +class GeneratorError(ValueError): + pass + +class AbortError(SystemError): + pass + +@dataclasses.dataclass +class GeneratorSettings: + mesh_angle: float = 0.0 # deg + trace_width: float = 0.127 # mm + space_width: float = 0.127 # mm + edge_clearance: float = 1.5 # mm + anchor_exit: float = 0.0 # deg + anchor: str = None # Footprint designator + num_traces: int = 2 + offset_x: float = 0.0 # mm + offset_y: float = 0.0 # mm + chamfer: float = 0.0 # unit fraction + target_layer_id:int = 0 # kicad layer id, populated later + mask_layer_id: int = 0 # kicad layer id, populated later + random_seed: str = None + randomness: float = 1.0 + + def serialize(self): + d = dataclasses.asdict(self) + d['kimesh_settings_version'] = '1.0.0' + return json.dumps(d).encode() + + @classmethod + def deserialize(cls, data): + d = json.loads(data.decode()) + version = d.pop('kimesh_settings_version') + vtup = tuple(map(int, version.split('.'))) + if vtup > (2, 0, 0): + raise cls.VersionError("Project kimesh settings file is too new for this plugin's version.") + return cls(**d) + + class VersionError(ValueError): + pass + + +class MeshPluginMainDialog(mesh_plugin_dialog.MainDialog): + def __init__(self, board): + mesh_plugin_dialog.MainDialog.__init__(self, None) + self.board = board + + self.m_cancelButton.Bind(wx.EVT_BUTTON, self.quit) + self.m_removeButton.Bind(wx.EVT_BUTTON, self.confirm_tearup_mesh) + self.m_removeAllButton.Bind(wx.EVT_BUTTON, self.confirm_tearup_mesh_all) + self.m_generateButton.Bind(wx.EVT_BUTTON, self.generate_mesh) + self.m_net_prefix.Bind(wx.EVT_TEXT, self.update_net_label) + # currently, BOARD.Remove() is b0rked and kicad crashes. Disable function for now. + self.m_removeButton.Disable() + self.m_removeAllButton.Disable() + + self.tearup_confirm_dialog = wx.MessageDialog(self, "", style=wx.YES_NO | wx.NO_DEFAULT) + + self.nets = { str(wxs) for wxs, netinfo in board.GetNetsByName().items() } + self.update_net_label(None) + + self.Fit() + + for i in range(pcbnew.PCB_LAYER_ID_COUNT): + name = board.GetLayerName(i) + self.m_layerChoice.Append(name) + self.m_maskLayerChoice.Append(name) + if name == 'User.Eco1': + self.m_maskLayerChoice.SetSelection(i) + elif name == 'B.Cu': + self.m_layerChoice.SetSelection(i) + + if path.isfile(self.settings_fn()): + with open(self.settings_fn(), 'rb') as f: + try: + settings = GeneratorSettings.deserialize(f.read()) + + self.m_angleSpin.Value = settings.mesh_angle + self.m_traceSpin.Value = settings.trace_width + self.m_spaceSpin.Value = settings.space_width + self.m_exitSpin.Value = settings.anchor_exit + self.m_anchorInput.Value = settings.anchor + self.m_traceCountSpin.Value = settings.num_traces + self.m_offsetXSpin.Value = settings.offset_x + self.m_offsetYSpin.Value = settings.offset_y + self.m_chamferSpin.Value = settings.chamfer*100.0 + self.m_layerChoice.SetSelection(settings.target_layer_id) + self.m_maskLayerChoice.SetSelection(settings.mask_layer_id) + self.m_seedInput.Value = settings.random_seed or '' + self.m_randomnessSpin.Value = settings.randomness*100.0 + self.m_edgeClearanceSpin.Value = settings.edge_clearance + + except GeneratorSettings.VersionError as e: + wx.MessageDialog(self, "Cannot load settings: {}.".format(e), "File I/O error").ShowModal() + + self.SetMinSize(self.GetSize()) + + def get_matching_nets(self): + prefix = self.m_net_prefix.Value + return { net for net in self.nets if net.startswith(prefix) } + + def net_names(self): + prefix = self.m_net_prefix.Value + for i in count(): + yield f'{prefix}{i}' + + def confirm_tearup_mesh_all(self, evt): + self.tearup_confirm_dialog.SetMessage('Do you really want to tear up all autorouted traces on this board? This stap cannot be undone!') + self.tearup_confirm_dialog.SetYesNoLabels("Tear up all autorouted traces", "Close") + + if self.tearup_confirm_dialog.ShowModal() == wx.ID_YES: + self.tearup_mesh() + + def confirm_tearup_mesh(self, evt): + matching = self.get_matching_nets() + + if not str(self.m_net_prefix.Value): + message = "You have set an empty net prefix. This will match ALL {} nets on the board. Do you really want to tear up all autorouted tracks? This cannot be undone!" + + else: + message = "Do you really want to tear up all autorouted traces of the {} matching nets on this board? This step cannot be undone!" + + message = message.format(len(matching)) + "\n\nMatching nets:\n" + ", ".join( + '""' if not netname else (netname[:16] + '...' if len(netname) > 16 else netname) + for netname in (sorted(matching)[:5] + ['...'] if len(matching) > 5 else []) + ) + self.tearup_confirm_dialog.SetMessage(message) + self.tearup_confirm_dialog.SetYesNoLabels("Tear up {} traces".format(len(matching)), "Close") + + if self.tearup_confirm_dialog.ShowModal() == wx.ID_YES: + self.tearup_mesh(matching) + + def tearup_mesh(self, matching=None): + count = 0 + for track in self.board.GetTracks(): + if not (track.GetStatus() & pcbnew.TRACK_AR): + continue + + if matching is not None and track.GetNet().GetNetname() not in matching: + continue + + count += 1 + self.board.Remove(track) + print(f'Tore up {count} trace segments.') + + def settings_fn(self): + return path.join(path.dirname(self.board.GetFileName()), 'last_kimesh_settings.json') + + def generate_mesh(self, evt): + try: + settings = GeneratorSettings( + mesh_angle = float(self.m_angleSpin.Value), + trace_width = float(self.m_traceSpin.Value), + space_width = float(self.m_spaceSpin.Value), + edge_clearance = float(self.m_edgeClearanceSpin.Value), + anchor_exit = float(self.m_exitSpin.Value), + anchor = str(self.m_anchorInput.Value), + num_traces = int(self.m_traceCountSpin.Value), + offset_x = float(self.m_offsetXSpin.Value), + offset_y = float(self.m_offsetYSpin.Value), + chamfer = float(self.m_chamferSpin.Value)/100.0, + target_layer_id = self.m_layerChoice.GetSelection(), + mask_layer_id = self.m_maskLayerChoice.GetSelection(), + random_seed = str(self.m_seedInput.Value) or None, + randomness = float(self.m_randomnessSpin.Value)/100.0) + except ValueError as e: + return wx.MessageDialog(self, "Invalid input value: {}.".format(e), "Invalid input").ShowModal() + + try: + with open(self.settings_fn(), 'wb') as f: + f.write(settings.serialize()) + print('Saved settings to', f.name) + except: + wx.MessageDialog(self, "Cannot save settings: {}.".format(e), "File I/O error").ShowModal() + + mesh_zones = [] + for drawing in self.board.GetDrawings(): + if drawing.GetLayer() == settings.mask_layer_id: + mesh_zones.append(drawing) + + if not mesh_zones: + return wx.MessageDialog(self, "Error: Could not find any mesh zones on the outline pattern layer.").ShowModal() + + + outlines = pcbnew.SHAPE_POLY_SET() + self.board.GetBoardPolygonOutlines(outlines, "") + board_outlines = list(self.poly_set_to_shapely(outlines)) + board_mask = shapely.ops.unary_union(board_outlines) + board_mask = board_mask.buffer(-settings.edge_clearance) + + zone_outlines = [ outline for zone in mesh_zones for outline in self.poly_set_to_shapely(zone.GetPolyShape()) ] + zone_mask = shapely.ops.unary_union(zone_outlines) + + mask = zone_mask.intersection(board_mask) + + anchor = [ mod for mod in self.board.GetModules() if mod.GetReference() == settings.anchor ] + if len(anchor) == 0: + return wx.MessageDialog(self, f'Error: Could not find anchor footprint "{self.m_anchorInput.Value}".').ShowModal() + if len(anchor) > 1: + return wx.MessageDialog(self, f'Error: Multiple footprints with anchor footprint reference "{self.m_anchorInput.Value}".').ShowModal() + anchor, = anchor + + try: + def warn(msg): + dialog = wx.MessageDialog(self, msg + '\n\nDo you want to abort mesh generation?', + "Mesh Generation Warning").ShowModal() + dialog = wx.MessageDialog(self, "", style=wx.YES_NO | wx.NO_DEFAULT) + dialog.SetYesNoLabels("Abort", "Ignore and continue") + + if self.tearup_confirm_dialog.ShowModal() == wx.ID_YES: + raise AbortError() + + nets = list(islice(self.net_names(), settings.num_traces)) + self.generate_mesh_backend(mask, anchor, nets=nets, warn=warn, settings=settings) + + except GeneratorError as e: + return wx.MessageDialog(self, str(e), "Mesh Generation Error").ShowModal() + except AbortError: + pass + + def poly_set_to_shapely(self, poly_set): + for i in range(poly_set.OutlineCount()): + outline = poly_set.Outline(i) + + def shape_line_chain_to_coords(line_chain): + points = [] + for j in range(line_chain.PointCount()): + point = line_chain.CPoint(j) + points.append((pcbnew.ToMM(point.x), pcbnew.ToMM(point.y))) + return points + + exterior = shape_line_chain_to_coords(outline) + interiors = [ shape_line_chain_to_coords(poly_set.Hole(i, j)) for j in range(poly_set.HoleCount(i)) ] + yield polygon.Polygon(exterior, interiors) + + def generate_mesh_backend(self, mask, anchor, nets, warn=lambda s: None, settings=GeneratorSettings()): + anchor_outlines = list(self.poly_set_to_shapely(anchor.GetBoundingPoly())) + if len(anchor_outlines) == 0: + raise GeneratorError('Could not find any outlines for anchor {}'.format(anchor.GetReference())) + if len(anchor_outlines) > 1: + warn('Anchor {} has multiple outlines. Using first outline for trace start.') + + width_per_trace = settings.trace_width + settings.space_width + grid_cell_width = width_per_trace * settings.num_traces * 2 + + mask_rotated = affinity.rotate(mask, -settings.mesh_angle, origin=mask.centroid) + bbox = mask_rotated.bounds + + grid_origin = (bbox[0] + settings.offset_x - grid_cell_width, bbox[1] + settings.offset_y - grid_cell_width) + grid_rows = int((bbox[3] - grid_origin[1]) / grid_cell_width + 2) + grid_cols = int((bbox[2] - grid_origin[0]) / grid_cell_width + 2) + print(f'generating grid of size {grid_rows} * {grid_cols}') + + grid = [] + for y in range(grid_rows): + row = [] + for x in range(grid_cols): + cell = polygon.Polygon([(0, 0), (0, 1), (1, 1), (1, 0)]) + cell = affinity.scale(cell, grid_cell_width, grid_cell_width, origin=(0, 0)) + cell = affinity.translate(cell, grid_origin[0] + x*grid_cell_width, grid_origin[1] + y*grid_cell_width) + cell = affinity.rotate(cell, settings.mesh_angle, origin=mask.centroid) + row.append(cell) + grid.append(row) + + exit_line = affinity.rotate(geometry.LineString([(0,0), (0,-100000)]), settings.anchor_exit, origin=(0, 0)) + exit_line = affinity.translate(exit_line, anchor_outlines[0].centroid.x, anchor_outlines[0].centroid.y) + possible_exits = [] + for y, row in enumerate(grid): + for x, cell in enumerate(row): + if any(ol.overlaps(cell) for ol in anchor_outlines): # cell lies on outline + if exit_line.crosses(cell): # cell lies on exit line + possible_exits.append((cell, (x, y))) + if len(possible_exits) == 0: + raise GeneratorError('Cannot find an exit. This is a bug, please report.') + exit_cell = possible_exits[0] # might overlap multiple if not orthogonal + + num_valid = 0 + with DebugOutput('dbg_grid.svg') as dbg: + dbg.add(mask, color='#00000020') + + for y, row in enumerate(grid): + for x, cell in enumerate(row): + if mask.contains(cell): + if cell == exit_cell[0]: + color = '#ff00ff80' + elif any(ol.overlaps(cell) for ol in anchor_outlines): + color = '#ffff0080' + elif any(ol.contains(cell) for ol in anchor_outlines): + color = '#ff000080' + else: + num_valid += 1 + color = '#00ff0080' + elif mask.overlaps(cell): + color = '#ffff0080' + else: + color = '#ff000080' + dbg.add(cell, color=color) + + for foo in anchor_outlines: + dbg.add(foo, color='#0000ff00', stroke_width=0.05, stroke_color='#000000ff') + + def is_valid(cell): + if not mask.contains(cell): + return False + if any(ol.overlaps(cell) for ol in anchor_outlines): + return False + if any(ol.contains(cell) for ol in anchor_outlines): + return False + return True + + def iter_neighbors(x, y): + if x > 0: + yield x-1, y, 0b0100 + if x < grid_cols: + yield x+1, y, 0b0001 + if y > 0: + yield x, y-1, 0b1000 + if y < grid_rows: + yield x, y+1, 0b0010 + + def reciprocal(mask): + return { + 0b0001: 0b0100, + 0b0010: 0b1000, + 0b0100: 0b0001, + 0b1000: 0b0010, + 0b0000: 0b0000 + }[mask] + + rnd_state = random.Random(settings.random_seed) + def skewed_random_iter(it, mask, randomness): + l = list(it) + if rnd_state.random() < 1.0 - randomness: + for x, y, m in l: + if m == mask: + yield x, y, m + break + l.remove((x, y, m)) + rnd_state.shuffle(l) + yield from l + + def add_track(segment:geometry.LineString, net=None): + coords = list(segment.coords) + for (x1, y1), (x2, y2) in zip(coords, coords[1:]): + if (x1, y1) == (x2, y2): # zero-length track due to zero chamfer + continue + track = pcbnew.TRACK(self.board) + track.SetStatus(track.GetStatus() | pcbnew.TRACK_AR) + track.SetStart(pcbnew.wxPoint(pcbnew.FromMM(x1), pcbnew.FromMM(y1))) + track.SetEnd(pcbnew.wxPoint(pcbnew.FromMM(x2), pcbnew.FromMM(y2))) + track.SetWidth(pcbnew.FromMM(settings.trace_width)) + track.SetLayer(settings.target_layer_id) + if net is not None: + track.SetNet(net) + self.board.Add(track) + + netinfos = [] + for name in nets: + ni = pcbnew.NETINFO_ITEM(self.board, name) + self.board.Add(ni) + netinfos.append(ni) + + not_visited = { (x, y) for x in range(grid_cols) for y in range(grid_rows) if is_valid(grid[y][x]) } + num_to_visit = len(not_visited) + track_count = 0 + with DebugOutput('dbg_cells.svg') as dbg_cells,\ + DebugOutput('dbg_composite.svg') as dbg_composite,\ + DebugOutput('dbg_tiles.svg') as dbg_tiles,\ + DebugOutput('dbg_traces.svg') as dbg_traces: + dbg_cells.add(mask, color='#00000020') + dbg_composite.add(mask, color='#00000020') + dbg_traces.add(mask, color='#00000020') + dbg_tiles.add(mask, color='#00000020') + + TILE_COLORS = { + 0b0000: '#ffcc00ff', + 0b0001: '#d40000ff', + 0b0010: '#d40000ff', + 0b0011: '#ff6600ff', + 0b0100: '#d40000ff', + 0b0101: '#00d400ff', + 0b0110: '#ff6600ff', + 0b0111: '#00ccffff', + 0b1000: '#d40000ff', + 0b1001: '#ff6600ff', + 0b1010: '#00d400ff', + 0b1011: '#00ccffff', + 0b1100: '#ff6600ff', + 0b1101: '#00ccffff', + 0b1110: '#00ccffff', + 0b1111: '#ffcc00ff'} + x, y = exit_cell[1] + visited = 0 + key = 0 + entry_dir = 0 + stack = [] + depth = 0 + max_depth = 0 + i = 0 + past_tiles = {} + def dump_output(i): + with DebugOutput(f'per-tile/step{i}.svg') as dbg_per_tile: + dbg_per_tile.add(mask, color='#00000020') + for foo in anchor_outlines: + dbg_per_tile.add(foo, color='#00000080', stroke_width=0.05, stroke_color='#00000000') + + for le_y, row in enumerate(grid): + for le_x, cell in enumerate(row): + if mask.contains(cell): + if cell == exit_cell[0]: + color = '#ff00ff80' + elif any(ol.overlaps(cell) for ol in anchor_outlines): + color = '#ffff0080' + elif any(ol.contains(cell) for ol in anchor_outlines): + color = '#ff000080' + else: + color = '#00ff0080' + elif mask.overlaps(cell): + color = '#ffff0080' + else: + color = '#ff000080' + dbg_per_tile.add(cell, color=color) + + for (le_x, le_y), (stroke_color, segments) in past_tiles.items(): + for segment in segments: + segment = affinity.scale(segment, grid_cell_width, grid_cell_width, origin=(0, 0)) + segment = affinity.translate(segment, grid_origin[0] + le_x*grid_cell_width, grid_origin[1] + le_y*grid_cell_width) + segment = affinity.rotate(segment, settings.mesh_angle, origin=mask.centroid) + dbg_per_tile.add(segment, stroke_width=settings.trace_width, color='#ff000000', stroke_color=stroke_color) + + armed = False + while not_visited or stack: + print(f'iteration {i}: {len(not_visited)}, {len(stack)}') + for n_x, n_y, bmask in skewed_random_iter(iter_neighbors(x, y), entry_dir, settings.randomness): + if (n_x, n_y) in not_visited: + dbg_composite.add(grid[n_y][n_x], color=('visit_depth', depth), opacity=1.0) + dbg_cells.add(grid[n_y][n_x], color=('visit_depth', depth), opacity=1.0) + key |= bmask + stack.append((x, y, key, bmask, depth)) + not_visited.remove((n_x, n_y)) + visited += 1 + depth += 1 + i += 1 + armed = True + max_depth = max(depth, max_depth) + + past_tiles[x, y] = (TILE_COLORS[key], + [segment + for segment, _net in Pattern.render(key, settings.num_traces, settings.chamfer) ]) + + x, y, key, entry_dir = n_x, n_y, reciprocal(bmask), bmask + #dump_output(i) + break + else: + stroke_color = TILE_COLORS[key] + past_tiles[x, y] = (stroke_color, + [segment + for segment, _net in Pattern.render(key, settings.num_traces, settings.chamfer) ]) + for segment, net in Pattern.render(key, settings.num_traces, settings.chamfer): + segment = affinity.scale(segment, grid_cell_width, grid_cell_width, origin=(0, 0)) + segment = affinity.translate(segment, grid_origin[0] + x*grid_cell_width, grid_origin[1] + y*grid_cell_width) + segment = affinity.rotate(segment, settings.mesh_angle, origin=mask.centroid) + dbg_composite.add(segment, stroke_width=settings.trace_width, color='#ff000000', stroke_color='#ffffff60') + dbg_traces.add(segment, stroke_width=settings.trace_width, color='#ff000000', stroke_color='#000000ff') + dbg_tiles.add(segment, stroke_width=settings.trace_width, color='#ff000000', stroke_color=stroke_color) + add_track(segment, netinfos[net]) # FIXME (works, disabled for debug) + track_count += 1 + if not stack: + break + if armed: + i += 1 + #dump_output(i) + armed = False + *stack, (x, y, key, entry_dir, depth) = stack + + dbg_cells.scale_colors('visit_depth', max_depth) + dbg_composite.scale_colors('visit_depth', max_depth) + + for foo in anchor_outlines: + dbg_cells.add(foo, color='#00000080', stroke_width=0.05, stroke_color='#00000000') + dbg_traces.add(foo, color='#00000080', stroke_width=0.05, stroke_color='#00000000') + dbg_composite.add(foo, color='#00000080', stroke_width=0.05, stroke_color='#00000000') + dbg_tiles.add(foo, color='#00000080', stroke_width=0.05, stroke_color='#00000000') + + + print(f'Added {track_count} trace segments.') + + #pcbnew.Refresh() + #self.tearup_mesh() + # TODO generate + + def update_net_label(self, evt): + self.m_netLabel.SetLabel('Like: ' + ', '.join(islice(self.net_names(), 3)) + ', ...') + + def quit(self, evt): + self.Destroy() + + +class Pattern: + @staticmethod + def render(key, n, cd=0): + yield from Pattern.LUT[key](n, cd=math.tan(math.pi/8) * cd) + + def draw_I(n, cd): + for i in range(n): + sp = (i+0.5) * (1/(2*n)) + yield geometry.LineString([(sp, 0), (sp, 1)]), i + sp = (2*n-1-i+0.5) * (1/(2*n)) + yield geometry.LineString([(sp, 0), (sp, 1)]), i + + def draw_U(n, cd): + pitch = (1/(2*n)) + cd *= pitch # chamfer depth + for i in range(n): + sp = (i+0.5) * pitch + yield geometry.LineString([(sp, 0), (sp, 1-sp-cd), (sp+cd, 1-sp), (1-sp-cd, 1-sp), (1-sp, 1-sp-cd), (1-sp, 0)]), i + + def draw_L(n, cd): + pitch = (1/(2*n)) + cd *= pitch # chamfer depth + for i in range(n): + sp = (i+0.5) * pitch + yield geometry.LineString([(sp, 0), (sp, 1-sp-cd), (sp+cd, 1-sp), (1, 1-sp)]), i + sp = (2*n-1-i+0.5) * pitch + yield geometry.LineString([(sp, 0), (sp, 1-sp-cd), (sp+cd, 1-sp), (1, 1-sp)]), i + + def draw_T(n, cd): + pitch = (1/(2*n)) + cd *= pitch # chamfer depth + for i in range(n): + sp = (i+0.5) * pitch + # through line + yield geometry.LineString([(0, sp), (1, sp)]), i + # two corners on the opposite side + yield geometry.LineString([(0, 1-sp), (sp-cd, 1-sp), (sp, 1-sp+cd), (sp, 1)]), i + yield geometry.LineString([(1-sp, 1), (1-sp, 1-sp+cd), (1-sp+cd, 1-sp), (1, 1-sp)]), i + + def draw_X(n, cd): + pitch = (1/(2*n)) + cd *= pitch # chamfer depth + for i in range(n): + sp = (i+0.5) * pitch + yield geometry.LineString([(0, sp), (sp-cd, sp), (sp, sp-cd), (sp, 0)]), i + yield geometry.LineString([(1-sp, 0), (1-sp, sp-cd), (1-sp+cd, sp), (1, sp)]), i + yield geometry.LineString([(0, 1-sp), (sp-cd, 1-sp), (sp, 1-sp+cd), (sp, 1)]), i + yield geometry.LineString([(1-sp, 1), (1-sp, 1-sp+cd), (1-sp+cd, 1-sp), (1, 1-sp)]), i + + def rotate(pattern, deg): + def wrapper(n, *args, **kwargs): + for segment, net in pattern(n, *args, **kwargs): + yield affinity.rotate(segment, deg, origin=(0.5, 0.5)), net + return wrapper + + def raise_error(n, *args, **kwargs): + #raise ValueError('Tried to render invalid cell. This is a bug.') + return [] + + LUT = { + 0b0000: raise_error, + 0b0001: rotate(draw_U, 90), + 0b0010: rotate(draw_U, 180), + 0b0011: rotate(draw_L, 90), + 0b0100: rotate(draw_U, -90), + 0b0101: rotate(draw_I, -90), + 0b0110: rotate(draw_L, 180), + 0b0111: draw_T, + 0b1000: draw_U, + 0b1001: draw_L, + 0b1010: draw_I, + 0b1011: rotate(draw_T, -90), + 0b1100: rotate(draw_L, -90), + 0b1101: rotate(draw_T, 180), + 0b1110: rotate(draw_T, 90), + 0b1111: draw_X + } + + +def virihex(val, max=1.0, alpha=1.0): + r, g, b, _a = matplotlib.cm.viridis(val/max) + r, g, b, a = [ int(round(0xff*c)) for c in [r, g, b, alpha] ] + return f'#{r:02x}{g:02x}{b:02x}{a:02x}' + +@contextmanager +def DebugOutput(filename): + filename = path.join('/tmp', filename) + with open(filename, 'w') as f: + wrapper = DebugOutputWrapper(f) + yield wrapper + wrapper.save() + +class DebugOutputWrapper: + def __init__(self, f): + self.f = f + self.objs = [] + + def scale_colors(self, group, max_value): + self.objs = [ + (obj, + (virihex(color[1], max=max_value) if isinstance(color, tuple) and color[0] == group else color, + *rest)) + for obj, (color, *rest) in self.objs ] + + def add(self, obj, color=None, stroke_width=0, stroke_color=None, opacity=1.0): + self.objs.append((obj, (color, stroke_color, stroke_width, opacity))) + + def gen_svg(self, obj, fill_color=None, stroke_color=None, stroke_width=None, opacity=1.0): + fill_color = fill_color or '#ff0000aa' + stroke_color = stroke_color or '#000000ff' + stroke_width = 0 if stroke_width is None else stroke_width + + if isinstance(obj, geometry.MultiPolygon): + out = '' + for geom in obj.geoms: + out += gen_svg(geom, fill_color, stroke_color, stroke_width, opacity) + return out + + elif isinstance(obj, polygon.Polygon): + exterior_coords = [ ["{},{}".format(*c) for c in obj.exterior.coords] ] + interior_coords = [ ["{},{}".format(*c) for c in interior.coords] for interior in obj.interiors ] + all_coords = exterior_coords + interior_coords + path = " ".join([ + "M {0} L {1} z".format(coords[0], " L ".join(coords[1:])) + for coords in all_coords]) + + elif isinstance(obj, geometry.LineString): + all_coords = [ ["{},{}".format(*c) for c in obj.coords] ] + path = " ".join([ + "M {0} L {1}".format(coords[0], " L ".join(coords[1:])) + for coords in all_coords]) + else: + raise ValueError(f'Unhandled shapely object type {type(obj)}') + + return (f'<path fill-rule="evenodd" fill="{fill_color}" opacity="{opacity}" stroke="{stroke_color}" ' + f'stroke-width="{stroke_width}" d="{path}" />') + + def save(self, margin:'unit'=5, scale:'px/unit'=10): + #specify margin in coordinate units + margin = 5 + + bboxes = [ list(obj.bounds) for obj, _style in self.objs ] + min_x = min( bbox[0] for bbox in bboxes ) - margin + min_y = min( bbox[1] for bbox in bboxes ) - margin + max_x = max( bbox[2] for bbox in bboxes ) + margin + max_y = max( bbox[3] for bbox in bboxes ) + margin + + width = max_x - min_x + height = max_y - min_y + + props = { + 'version': '1.1', + 'baseProfile': 'full', + 'width': '{width:.0f}px'.format(width = width*scale), + 'height': '{height:.0f}px'.format(height = height*scale), + 'viewBox': '%.1f,%.1f,%.1f,%.1f' % (min_x, min_y, width, height), + 'xmlns': 'http://www.w3.org/2000/svg', + 'xmlns:ev': 'http://www.w3.org/2001/xml-events', + 'xmlns:xlink': 'http://www.w3.org/1999/xlink' + } + + self.f.write(textwrap.dedent(r''' + <?xml version="1.0" encoding="utf-8" ?> + <svg {attrs:s}> + {data} + </svg> + ''').format( + attrs = ' '.join(['{key:s}="{val:s}"'.format(key = key, val = props[key]) for key in props]), + data = '\n'.join(self.gen_svg(obj, *style) for obj, style in self.objs) + ).strip()) + +def show_dialog(board): + dialog = MeshPluginMainDialog(board) + dialog.ShowModal() + return dialog |