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import numpy as np
import matplotlib.pyplot as plt
import matplotlib.patches as patches
from shapely import geometry
from .utils import room_label
def get_color_map():
color = np.array([
[244,242,229], # living room
[253,244,171], # bedroom
[234,216,214], # kitchen
[205,233,252], # bathroom
[208,216,135], # balcony
[249,222,189], # Storage
[ 79, 79, 79], # exterior wall
[255,225, 25], # FrontDoor
[128,128,128], # interior wall
[255,255,255]
],dtype=np.int64)
cIdx = np.array([1,2,3,4,1,2,2,2,2,5,1,6,1,10,7,8,9,10])-1
return color[cIdx]
cmap = get_color_map()/255.0
def get_figure(size=512):
if np.array(size).size==1:
w,h = size,size
else:
w,h = size[0],size[1]
fig = plt.figure()
dpi = fig.get_dpi()
fig.set_size_inches(w/dpi,h/dpi)
fig.set_frameon(False)
return fig
def get_axes(size=512,fig=None,rect=[0,0,1,1]):
if fig is None: fig = get_figure(size)
ax = fig.add_axes(rect)
#ax.set_frame_on(False)
ax.set_aspect('equal')
ax.set_xlim([0,255])
ax.set_ylim([0,255])
ax.invert_yaxis()
ax.set_axis_off()
return ax
def plot_category(category,show_boundary=True,ax=None):
if ax is None: ax = get_axes()
img = np.ones((category.shape[0],category.shape[1],4))
img[...,:3] = cmap[category]
img[category==13,3] = 0
if not show_boundary:
img[np.isin(category,[14,15])]=[1.,1.,1.,0.]
ax.imshow(img)
return ax
def plot_boundary(boundary, wall_thickness=6,ax=None):
if ax is None: ax = get_axes()
is_new = boundary[:,-1]==1
poly_boundary = geometry.Polygon(boundary[~is_new,:2])
x,y = poly_boundary.exterior.xy
ax.fill(x,y,fc='none',ec=cmap[14],lw=wall_thickness,joinstyle='round')
door = boundary[:2,:2]
idx = np.argmin(np.sum(door,axis=-1), axis=0)
if idx==1: door = door[[1,0]]
ori = boundary[0,2]
if ori%2==0:
door = door+np.array([
[wall_thickness/4,0],[-wall_thickness/4,0]
])
else:
door = door+np.array([
[0,wall_thickness/4],
[0,-wall_thickness/4]
])
ax.plot(door[:,0],door[:,1],color=cmap[15],lw=wall_thickness+1)
return ax
def plot_graph(boundary, boxes, types, edges, wall_thickness=6,with_boundary=True,ax=None):
if ax is None: ax = get_axes()
if with_boundary: plot_boundary(boundary,wall_thickness,ax)
boxes = boxes.astype(float)
r_node = np.zeros((len(boxes),3))
for k in range(len(boxes)):
r_node[k,:2] = (boxes[k,:2]+boxes[k,2:])/2
r_node[k,2] = (boxes[k,2]-boxes[k,0])*(boxes[k,3]-boxes[k,1])
for i in range(len(edges)):
idx = edges[i,:2]
ax.plot(r_node[idx,0],r_node[idx,1],'-',color=[0.7,0.7,0.7],lw=wall_thickness/2)
is_new = boundary[:,-1]==1
poly_boundary = geometry.Polygon(boundary[~is_new,:2])
for i in range(len(r_node)):
s = round(10*r_node[i,2])/poly_boundary.area*3+wall_thickness*3
ax.plot(r_node[i,0],r_node[i,1],'o',mec=cmap[16],mfc=cmap[types[i]],ms=s)
return ax
def plot_fp(boundary, boxes, types, doors=[], windows=[], wall_thickness=6, fontsize=0, keep_box=False, alpha=1.0, ax=None):
if ax is None: ax = get_axes()
is_new = boundary[:,-1]==1
poly_boundary = geometry.Polygon(boundary[~is_new,:2])
poly = dict()
for k in range(len(boxes)):
poly_room = geometry.box(*boxes[k])
poly[k] = poly_boundary.intersection(poly_room)
if poly[k].area==0:
print(f'ploting empty box {k}!')
continue
if keep_box:
poly[k] = geometry.box(*poly[k].bounds)
x,y = poly[k].exterior.xy
ax.fill(x,y,fc=cmap[types[k]],ec=cmap[16],alpha=alpha,lw=wall_thickness,joinstyle='round')
else:
if poly[k].geom_type!='Polygon':
for p in poly[k]:
if p.geom_type!='Polygon': continue
x,y = p.exterior.xy
ax.fill(x,y,fc=cmap[types[k]],ec=cmap[16],alpha=alpha,lw=wall_thickness,joinstyle='round')
else:
x,y = poly[k].exterior.xy
ax.fill(x,y,fc=cmap[types[k]],ec=cmap[16],alpha=alpha,lw=wall_thickness,joinstyle='round')
plot_boundary(boundary,wall_thickness,ax)
if len(doors)>0:
plot_door(doors, wall_thickness/3, ax)
if len(windows)>0:
plot_window(windows, wall_thickness/3, ax)
if fontsize!=0:
for k in range(len(boxes)):
if poly[k].area==0: continue
cx, cy = poly[k].centroid.x,poly[k].centroid.y
ax.text(cx, cy, room_label[types[k]][1], fontsize=fontsize,horizontalalignment='center',verticalalignment='center')
return ax
def plot_window(windows, thickness=2, ax=None):
if ax is None: ax = get_axes()
for k in range(len(windows)):
window = windows[k]
seg = np.zeros((2,2))
seg[0] = window[1:3]
seg[1] = window[1:3]+ window[3:5]
box = np.concatenate([seg.min(0),seg.max(0)],axis=-1)
if window[3] < window[4]:
box = box + np.array([-1,0,1,0]) * thickness
if window[4] > 0:
box[1] = box[1] + thickness
seg[0,1] = seg[0,1] + thickness
else:
box[3] = box[3] - thickness
seg[0,1] = seg[0,1] - thickness
else:
box = box + np.array([0,-1,0,1]) * thickness
if window[3] > 0:
box[0] = box[0] + thickness
seg[0,0] = seg[0,0] + thickness
else:
box[2] = box[2] - thickness
seg[0,0] = seg[0,0] - thickness
ax.fill(box[[0,0,2,2,0]], box[[1,3,3,1,1]], 'w')
ax.plot(box[[0,0,2,2,0]], box[[1,3,3,1,1]], color=[0.4,0.4,0.4], lw=1)
ax.plot(seg[:,0], seg[:,1], color=[0.4,0.4,0.4], lw=1)
return ax
def plot_door(doors, thickness, ax=None):
if ax is None: ax = get_axes()
for k in range(len(doors)):
door = doors[k]
seg = np.zeros((2,2))
seg[0] = door[1:3]
seg[1] = door[1:3]+ door[3:5]
box = np.concatenate([seg.min(0),seg.max(0)],axis=-1)
if door[3] < door[4]:
box = box + np.array([-1,0,1,0]) * thickness
if door[4] > 0:
box[1] = box[1] + thickness
else:
box[3] = box[3] - thickness
else:
box = box + np.array([0,-1,0,1]) * thickness
if door[3] > 0:
box[0] = box[0] + thickness
else:
box[2] = box[2] - thickness
ax.fill(box[[0,0,2,2,0]], box[[1,3,3,1,1]], 'w', ec=cmap[16])
return ax
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