Source code for honeybee_display.energy.colorobj

"""Method to translate a Color Room/Face objects to a VisualizationSet."""
import math

from ladybug_geometry.geometry3d import Vector3D, Point3D, Polyline3D, Plane, \
    Face3D, Polyface3D
from ladybug_display.geometry3d import DisplayText3D
from ladybug_display.visualization import VisualizationSet, ContextGeometry, \
    AnalysisGeometry, VisualizationData
from honeybee.units import conversion_factor_to_meters, parse_distance_string
from honeybee.facetype import Floor

from ..colorobj import _room_wireframe, _process_wireframe


[docs]def energy_color_room_to_vis_set( color_room, include_wireframe=True, text_labels=False, units=None, tolerance=0.01): """Translate a Honeybee-Energy ColorRoom to a VisualizationSet. Args: color_room: A Honeybee-Energy ColorRoom object to be converted to a VisualizationSet. include_wireframe: Boolean to note whether a ContextGeometry just for the Wireframe (in LineSegment3D) should be included. (Default: True). text_labels: A boolean to note whether the results should be expressed as a colored AnalysisGeometry (False) or a ContextGeometry as text labels (True). (Default: False). units: Optional text, which will be used to set the default maximum text height and the distance of the text to the ground. If None, some generic defaults will be used. (Default: None). tolerance: Optional tolerance value, which is used to compute the text label point for concave geometries. (Default: 0.01). Returns: A VisualizationSet object that represents the ColorRoom with an AnalysisGeometry when text_labels is False or a ContextGeometry when text_labels is True. It can also optionally include a ContextGeometry for the wireframe. """ # set up an empty visualization set vis_set = VisualizationSet(color_room.data_type_text.replace(' ', '_'), ()) vis_set.display_name = color_room.data_type_text # use text labels if requested if text_labels: txt_height, font, f_str = _process_leg_par_for_text(color_room) # loop through the rooms and create the text labels max_txt_h, p_tol = float('inf'), 0.01 if units is not None: fac_to_m = conversion_factor_to_meters(units) max_txt_h = 0.25 / fac_to_m max_txt_v = 1.0 / fac_to_m p_tol = parse_distance_string('0.01m', units) label_text = [] for room_val, room in zip(color_room.matched_values, color_room.matched_rooms): room_prop = f_str % room_val # compute the center point for the text if units is not None: room_h = room.geometry.max.z - room.geometry.min.z m_vec = Vector3D(0, 0, max_txt_v) if room_h > max_txt_v * 2 \ else Vector3D(0, 0, room_h / 2) floor_faces = [face.geometry for face in room.faces if isinstance(face.type, Floor)] if len(floor_faces) == 1: flr_geo = floor_faces[0] base_pt = flr_geo.center if flr_geo.is_convex else \ flr_geo.pole_of_inaccessibility(p_tol) elif len(floor_faces) == 0: c_pt = room.geometry.center base_pt = Point3D(c_pt.x, c_pt.y, room.geometry.min.z) else: floor_p_face = Polyface3D.from_faces(floor_faces, tolerance) ne = floor_p_face.naked_edges floor_outline = Polyline3D.join_segments(ne, tolerance)[0] flr_geo = Face3D(floor_outline.vertices[:-1]) base_pt = flr_geo.center if flr_geo.is_convex else \ flr_geo.pole_of_inaccessibility(p_tol) base_pt = base_pt.move(m_vec) base_plane = Plane(Vector3D(0, 0, 1), base_pt) else: base_pt = room.geometry.center base_plane = Plane(Vector3D(0, 0, 1), base_pt) # get the text height if txt_height is None: # auto-calculate default text height txt_len = len(room_prop) if len(room_prop) > 10 else 10 txt_h = (room.geometry.max.x - room.geometry.min.x) / txt_len else: txt_h = txt_height txt_h = max_txt_h if txt_h > max_txt_h else txt_h # create the text label label = DisplayText3D( room_prop, base_plane, txt_h, font=font, horizontal_alignment='Center', vertical_alignment='Middle') label_text.append(label) # append everything to the list con_geo = ContextGeometry(vis_set.identifier, label_text) con_geo.display_name = vis_set.display_name vis_set.add_geometry(con_geo) else: # use a colored AnalysisGeometry # create the analysis geometry vis_data = VisualizationData( color_room.matched_values, color_room.legend_parameters, color_room.data_type, str(color_room.unit)) geo = tuple(room.geometry for room in color_room.matched_rooms) a_geo = AnalysisGeometry(vis_set.identifier, geo, [vis_data]) a_geo.display_name = vis_set.display_name vis_set.add_geometry(a_geo) # loop through all of the rooms and add their wire frames if include_wireframe: vis_set.add_geometry(_room_wireframe(color_room.rooms)) return vis_set
[docs]def color_face_to_vis_set( color_face, include_wireframe=True, text_labels=False, units=None, tolerance=0.01): """Translate a Honeybee ColorFace to a VisualizationSet. Args: color_face: A Honeybee ColorFace object to be converted to a VisualizationSet. include_wireframe: Boolean to note whether a ContextGeometry just for the Wireframe (in LineSegment3D) should be included. (Default: True). text_labels: A boolean to note whether the attribute assigned to the ColorFace should be expressed as a colored AnalysisGeometry (False) or a ContextGeometry as text labels (True). (Default: False). units: Optional text, which will be used to set the default maximum text height and the distance of the text to the ground. If None, some generic defaults will be used. (Default: None). tolerance: Tolerance value, which is used to eliminate very small text. (Default: 0.01). Returns: A VisualizationSet object that represents the ColorFace with an AnalysisGeometry when text_labels is False or a ContextGeometry when text_labels is True. It can also optionally include a ContextGeometry for the wireframe. """ # set up an empty visualization set vis_set = VisualizationSet(color_face.data_type_text.replace(' ', '_'), ()) vis_set.display_name = color_face.data_type_text # use text labels if requested if text_labels: # set up default variables max_txt_h, p_tol = float('inf'), 0.01 if units is not None: fac_to_m = conversion_factor_to_meters(units) max_txt_h = 0.25 / fac_to_m p_tol = parse_distance_string('0.01m', units) txt_height, font, f_str = _process_leg_par_for_text(color_face) # loop through the faces and create the text labels label_text = [] face_zip_obj = zip(color_face.matched_values, color_face.matched_flat_geometry) for face_val, f_geo in face_zip_obj: cent_pt = f_geo.center if f_geo.is_convex else \ f_geo.pole_of_inaccessibility(p_tol) base_plane = Plane(f_geo.normal, cent_pt) face_prop = f_str % face_val if base_plane.y.z < 0: # base plane pointing downwards; rotate it base_plane = base_plane.rotate(base_plane.n, math.pi, base_plane.o) if txt_height is None: # auto-calculate default text height txt_len = len(face_prop) if len(face_prop) > 10 else 10 dims = [ (f_geo.max.x - f_geo.min.x), (f_geo.max.y - f_geo.min.y), (f_geo.max.z - f_geo.min.z)] dims.sort() txt_h = dims[1] / txt_len else: txt_h = txt_height if txt_h < tolerance: continue txt_h = max_txt_h if txt_h > max_txt_h else txt_h # move base plane origin a little to avoid overlaps of adjacent labels if base_plane.n.x != 0: m_vec = base_plane.y if base_plane.n.x < 0 else -base_plane.y else: m_vec = base_plane.y if base_plane.n.z < 0 else -base_plane.y base_plane = base_plane.move(m_vec * txt_h) # create the text label label = DisplayText3D( face_prop, base_plane, txt_h, font=font, horizontal_alignment='Center', vertical_alignment='Middle') label_text.append(label) # append everything to the list con_geo = ContextGeometry(vis_set.identifier, label_text) con_geo.display_name = vis_set.display_name vis_set.add_geometry(con_geo) else: # use a colored AnalysisGeometry # create the analysis geometry vis_data = VisualizationData( color_face.matched_values, color_face.legend_parameters, color_face.data_type, str(color_face.unit)) a_geo = AnalysisGeometry( vis_set.identifier, color_face.matched_flat_geometry, [vis_data]) a_geo.display_name = vis_set.display_name vis_set.add_geometry(a_geo) # loop through all of the rooms and add their wire frames if include_wireframe: wireframe = [] for face in color_face.faces: _process_wireframe(face, wireframe, 2) for ap in face._apertures: _process_wireframe(ap, wireframe) for dr in face._doors: _process_wireframe(dr, wireframe) con_geo = ContextGeometry('Wireframe', wireframe) vis_set.add_geometry(con_geo) return vis_set
def _process_leg_par_for_text(color_obj): """Get the relevant Legend Parameters for DisplayText3D.""" txt_height = None if color_obj.legend_parameters.is_text_height_default \ else color_obj.legend_parameters.text_height font = color_obj.legend_parameters.font f_str = '%.{}f'.format(color_obj.legend_parameters.decimal_count) return txt_height, font, f_str