diff --git a/examples/demo.py b/examples/demo.py
index 28dad21858a07e5703010571d097119403bb3e4c..6b48d6a535c3be307120a3e9c0705a28a99f3895 100644
--- a/examples/demo.py
+++ b/examples/demo.py
@@ -1,6 +1,7 @@
import os
-import time
import random
+import time
+
import numpy as np
from flatland.envs.generators import complex_rail_generator
@@ -71,6 +72,7 @@ class Scenario_Generator:
return env
+
class Demo:
def __init__(self, env):
@@ -80,7 +82,7 @@ class Demo:
self.max_frame_rate = 60
self.record_frames = None
- def set_record_frames(self,record_frames):
+ def set_record_frames(self, record_frames):
self.record_frames = record_frames
def create_renderer(self):
@@ -88,7 +90,7 @@ class Demo:
handle = self.env.get_agent_handles()
return handle
- def set_max_framerate(self,max_frame_rate):
+ def set_max_framerate(self, max_frame_rate):
self.max_frame_rate = max_frame_rate
def run_demo(self, max_nbr_of_steps=30):
@@ -103,7 +105,6 @@ class Demo:
# Action
for iAgent in range(self.env.get_num_agents()):
-
# allways walk straight forward
action = 2
@@ -114,18 +115,14 @@ class Demo:
next_obs, all_rewards, done, _ = self.env.step(action_dict)
# render
- self.renderer.renderEnv(show=True,show_observations=False)
+ self.renderer.renderEnv(show=True, show_observations=False)
if done['__all__']:
break
-
-
if self.record_frames is not None:
self.renderer.gl.saveImage(self.record_frames.format(step))
-
-
self.renderer.close_window()
@@ -155,22 +152,18 @@ if False:
demo_flatland_000.run_demo(60)
demo_flatland_000 = None
-
demo_flatland_000 = Demo(Scenario_Generator.load_scenario('./env-data/railway/example_network_003.pkl'))
demo_flatland_000.renderer.resize()
demo_flatland_000.set_max_framerate(5)
demo_flatland_000.run_demo(30)
demo_flatland_000 = None
-
demo_flatland_000 = Demo(Scenario_Generator.load_scenario('./env-data/railway/example_flatland_001.pkl'))
demo_flatland_000.renderer.resize()
demo_flatland_000.set_record_frames('./rendering/frame_{:04d}.bmp')
demo_flatland_000.run_demo(60)
demo_flatland_000 = None
-
-
demo_001 = Demo(Scenario_Generator.load_scenario('./env-data/railway/example_flatland_001.pkl'))
demo_001.set_record_frames('./rendering/frame_{:04d}.bmp')
demo_001.run_demo(60)
diff --git a/flatland/utils/editor.py b/flatland/utils/editor.py
index ccff0fa7ca68e9f91aca74ff65e6c84614700ed5..58109b9beab85c56cc8004e0ce8f4274c8db40b6 100644
--- a/flatland/utils/editor.py
+++ b/flatland/utils/editor.py
@@ -180,12 +180,12 @@ class View(object):
self.model.env.agents = self.model.env.agents_static
for a in self.model.env.agents:
- if hasattr(a, 'old_position') == False:
+ if hasattr(a, 'old_position') is False:
a.old_position = a.position
- if hasattr(a, 'old_direction') == False:
+ if hasattr(a, 'old_direction') is False:
a.old_direction = a.direction
- self.oRT.renderEnv(spacing=False, arrows=False, sRailColor="gray",agents=True,
+ self.oRT.renderEnv(spacing=False, arrows=False, sRailColor="gray", agents=True,
show=False, iSelectedAgent=self.model.iSelectedAgent,
show_observations=self.show_observations())
img = self.oRT.getImage()
@@ -454,12 +454,12 @@ class EditorModel(object):
# count integers along the larger dimension
for iDelta0 in range(sgn0, delta0 + sgn0, sgn0):
rDelta1 = iDelta0 * rcRatio
-
+
if np.abs(rDelta1 - iDelta1) >= 1:
rcInterp = (iDelta0, iDelta1) # fill in the "corner" for "Manhattan interpolation"
lrcInterp.append(rcInterp)
iDelta1 = int(rDelta1)
-
+
rcInterp = (iDelta0, int(rDelta1))
lrcInterp.append(rcInterp)
g2Interp = array(lrcInterp)
@@ -469,7 +469,7 @@ class EditorModel(object):
# Convert the array to a list of tuples
lrcInterp = list(map(tuple, g2Interp))
return lrcInterp
-
+
def drag_path_element(self, rcCell):
"""Mouse motion event handler for drawing.
"""
diff --git a/flatland/utils/graphics_layer.py b/flatland/utils/graphics_layer.py
index 327cf4f61605c247538000e83877f9658bbbcad5..8e08f7f81204d15c1914f93050c91203aac5cb65 100644
--- a/flatland/utils/graphics_layer.py
+++ b/flatland/utils/graphics_layer.py
@@ -1,7 +1,7 @@
-
import matplotlib.pyplot as plt
from numpy import array
+
class GraphicsLayer(object):
def __init__(self):
pass
@@ -42,7 +42,7 @@ class GraphicsLayer(object):
def getImage(self):
pass
- def saveImage(self,filename):
+ def saveImage(self, filename):
pass
def adaptColor(self, color, lighten=False):
diff --git a/flatland/utils/graphics_pil.py b/flatland/utils/graphics_pil.py
index 2a06f40176c206b90b78c0fdbbd3ad3c17239347..5b81b039c8a439ece65547e58f66a49a1614f3d3 100644
--- a/flatland/utils/graphics_pil.py
+++ b/flatland/utils/graphics_pil.py
@@ -1,16 +1,19 @@
-from flatland.utils.graphics_layer import GraphicsLayer
-from PIL import Image, ImageDraw, ImageTk # , ImageFont
-import tkinter as tk
-from numpy import array
-import numpy as np
-# from flatland.utils.svg import Track, Zug
-import time
import io
import os
import site
+# from flatland.utils.svg import Track, Zug
+import time
+import tkinter as tk
+
+import numpy as np
+from PIL import Image, ImageDraw, ImageTk # , ImageFont
+from numpy import array
+
+from flatland.utils.graphics_layer import GraphicsLayer
+
def enable_windows_cairo_support():
- if os.name=='nt':
+ if os.name == 'nt':
import site
import ctypes.util
default_os_path = os.environ['PATH']
@@ -20,14 +23,14 @@ def enable_windows_cairo_support():
os.environ['PATH'] = os.environ['PATH'] + ';' + default_os_path
if ctypes.util.find_library('cairo') is not None:
print("cairo installed: OK")
-enable_windows_cairo_support()
-from cairosvg import svg2png
-from screeninfo import get_monitors
-# from copy import copy
-from flatland.core.transitions import RailEnvTransitions
+enable_windows_cairo_support()
+from cairosvg import svg2png # noqa: E402
+from screeninfo import get_monitors # noqa: E402
+# from copy import copy
+from flatland.core.transitions import RailEnvTransitions # noqa: E402
class PILGL(GraphicsLayer):
@@ -40,17 +43,16 @@ class PILGL(GraphicsLayer):
self.width = width
self.height = height
-
- if jupyter == False:
+ if jupyter is False:
self.screen_width = 99999
self.screen_height = 99999
for m in get_monitors():
- self.screen_height = min(self.screen_height,m.height)
- self.screen_width = min(self.screen_width,m.width)
+ self.screen_height = min(self.screen_height, m.height)
+ self.screen_width = min(self.screen_width, m.width)
- w = (self.screen_width-self.width-10)/(self.width + 1 + self.linewidth)
- h = (self.screen_height-self.height-10)/(self.height + 1 + self.linewidth)
- self.nPixCell = int(max(1,np.ceil(min(w,h))))
+ w = (self.screen_width - self.width - 10) / (self.width + 1 + self.linewidth)
+ h = (self.screen_height - self.height - 10) / (self.height + 1 + self.linewidth)
+ self.nPixCell = int(max(1, np.ceil(min(w, h))))
else:
self.nPixCell = 40
@@ -64,14 +66,14 @@ class PILGL(GraphicsLayer):
self.layers = []
self.draws = []
- self.tColBg = (255, 255, 255) # white background
+ self.tColBg = (255, 255, 255) # white background
# self.tColBg = (220, 120, 40) # background color
- self.tColRail = (0, 0, 0) # black rails
- self.tColGrid = (230,) * 3 # light grey for grid
+ self.tColRail = (0, 0, 0) # black rails
+ self.tColGrid = (230,) * 3 # light grey for grid
sColors = "d50000#c51162#aa00ff#6200ea#304ffe#2962ff#0091ea#00b8d4#00bfa5#00c853" + \
- "#64dd17#aeea00#ffd600#ffab00#ff6d00#ff3d00#5d4037#455a64"
-
+ "#64dd17#aeea00#ffd600#ffab00#ff6d00#ff3d00#5d4037#455a64"
+
self.ltAgentColors = [self.rgb_s2i(sColor) for sColor in sColors.split("#")]
self.nAgentColors = len(self.ltAgentColors)
@@ -107,12 +109,12 @@ class PILGL(GraphicsLayer):
def drawImageXY(self, pil_img, xyPixLeftTop, layer=0):
# self.layers[layer].alpha_composite(pil_img, offset=xyPixLeftTop)
- if (pil_img.mode == "RGBA"):
+ if (pil_img.mode == "RGBA"):
pil_mask = pil_img
else:
pil_mask = None
# print(pil_img, pil_img.mode, xyPixLeftTop, layer)
-
+
self.layers[layer].paste(pil_img, xyPixLeftTop, pil_mask)
def drawImageRC(self, pil_img, rcTopLeft, layer=0):
@@ -124,7 +126,7 @@ class PILGL(GraphicsLayer):
self.window = tk.Tk()
self.window.title("Flatland")
self.window.configure(background='grey')
- #self.window.geometry('%dx%d+%d+%d' % (self.widthPx, self.heightPx, self.xPx, self.yPx))
+ # self.window.geometry('%dx%d+%d+%d' % (self.widthPx, self.heightPx, self.xPx, self.yPx))
self.window_open = True
def close_window(self):
@@ -150,9 +152,9 @@ class PILGL(GraphicsLayer):
if not self.window_open:
self.open_window()
-
+
tkimg = ImageTk.PhotoImage(img)
-
+
if self.firstFrame:
# Do TK actions for a new panel (not sure what they really do)
self.panel = tk.Label(self.window, image=tkimg)
@@ -182,13 +184,11 @@ class PILGL(GraphicsLayer):
img = self.alpha_composite_layers()
return array(img)
-
- def saveImage(self,filename):
+ def saveImage(self, filename):
print(filename)
img = self.alpha_composite_layers()
img.save(filename)
-
def create_image(self, opacity=255):
img = Image.new("RGBA", (self.widthPx, self.heightPx), (255, 255, 255, opacity))
return img
@@ -196,11 +196,11 @@ class PILGL(GraphicsLayer):
def create_layer(self, iLayer=0, clear=True):
# If we don't have the layers already, create them
if len(self.layers) <= iLayer:
- for i in range(len(self.layers), iLayer+1):
+ for i in range(len(self.layers), iLayer + 1):
if i == 0:
opacity = 255 # "bottom" layer is opaque (for rails)
else:
- opacity = 0 # subsequent layers are transparent
+ opacity = 0 # subsequent layers are transparent
img = self.create_image(opacity)
self.layers.append(img)
self.draws.append(ImageDraw.Draw(img))
@@ -212,17 +212,17 @@ class PILGL(GraphicsLayer):
# We also need to maintain a Draw object for each layer
self.draws[iLayer] = ImageDraw.Draw(img)
- def create_layers(self, clear=True):
+ def create_layers(self, clear=True):
self.create_layer(0, clear=clear)
self.create_layer(1, clear=clear)
class PILSVG(PILGL):
- def __init__(self, width, height,jupyter=False):
+ def __init__(self, width, height, jupyter=False):
print(self, type(self))
oSuper = super()
print(oSuper, type(oSuper))
- oSuper.__init__(width, height,jupyter)
+ oSuper.__init__(width, height, jupyter)
# self.track = self.track = Track()
# self.lwTrack = []
@@ -257,19 +257,19 @@ class PILSVG(PILGL):
try:
with open(sfPath, "r") as fIn:
bytesPNG = svg2png(file_obj=fIn, output_height=self.nPixCell, output_width=self.nPixCell)
- except:
- newList=''
+ except: # noqa: E722
+ newList = ''
for directory in site.getsitepackages():
x = [word for word in os.listdir(directory) if word.startswith('flatland')]
- if len(x) > 0 :
- newList = directory+'/'+x[0]
- with open(newList+'/'+sfPath, "r") as fIn:
+ if len(x) > 0:
+ newList = directory + '/' + x[0]
+ with open(newList + '/' + sfPath, "r") as fIn:
bytesPNG = svg2png(file_obj=fIn, output_height=self.nPixCell, output_width=self.nPixCell)
with io.BytesIO(bytesPNG) as fIn:
pil_img = Image.open(fIn)
pil_img.load()
# print(pil_img.mode)
-
+
return pil_img
def pilFromSvgBytes(self, bytesSVG):
@@ -320,7 +320,7 @@ class PILSVG(PILGL):
# Merge them with the regular rails.
# https://stackoverflow.com/questions/38987/how-to-merge-two-dictionaries-in-a-single-expression
self.dPilRail = {**self.dPilRail, **dPilRail2}
-
+
def loadSVGs(self, dDirFile, rotate=False, agent_colors=False):
dPil = {}
@@ -352,7 +352,7 @@ class PILSVG(PILGL):
# svg = svg.merge(svgBG)
pilRail = self.pilFromSvgFile(sPathSvg)
-
+
if rotate:
# For rotations, we also store the base image
dPil[binTrans] = pilRail
@@ -363,7 +363,7 @@ class PILSVG(PILGL):
# PIL rotates anticlockwise for positive theta
pilRail2 = pilRail.rotate(-nRot)
dPil[binTrans2] = pilRail2
-
+
if agent_colors:
# For recoloring, we don't store the base image.
a3BaseColor = self.rgb_s2i("d50000")
@@ -409,7 +409,7 @@ class PILSVG(PILGL):
(0, 0): "svg/Zug_Gleis_#0091ea.svg",
(1, 2): "svg/Zug_1_Weiche_#0091ea.svg",
(0, 3): "svg/Zug_2_Weiche_#0091ea.svg"
- }
+ }
# "paint" color of the train images we load
a3BaseColor = self.rgb_s2i("0091ea")
@@ -418,7 +418,7 @@ class PILSVG(PILGL):
for tDirs, sPathSvg in dDirsFile.items():
iDirIn, iDirOut = tDirs
-
+
pilZug = self.pilFromSvgFile(sPathSvg)
# Rotate both the directions and the image and save in the dict
@@ -465,4 +465,3 @@ def main():
if __name__ == "__main__":
main()
-
diff --git a/flatland/utils/rendertools.py b/flatland/utils/rendertools.py
index 1c2185b69d8b3c7ba7163534a0986c19c68890f8..7db0cc531b1ac0b24054e32b58c1fd1cfd92733e 100644
--- a/flatland/utils/rendertools.py
+++ b/flatland/utils/rendertools.py
@@ -3,19 +3,19 @@ from collections import deque
# import xarray as xr
import matplotlib.pyplot as plt
-from flatland.utils.render_qt import QTGL, QTSVG
-from flatland.utils.graphics_pil import PILGL, PILSVG
-from flatland.utils.graphics_layer import GraphicsLayer
-from recordtype import recordtype
-from numpy import array
import numpy as np
+from numpy import array
+from recordtype import recordtype
-# TODO: suggested renaming to RailEnvRenderTool, as it will only work with RailEnv!
+from flatland.utils.graphics_layer import GraphicsLayer
+from flatland.utils.graphics_pil import PILGL, PILSVG
+from flatland.utils.render_qt import QTGL, QTSVG
-import os
+
+# TODO: suggested renaming to RailEnvRenderTool, as it will only work with RailEnv!
class MPLGL(GraphicsLayer):
- def __init__(self, width, height,jupyter=False):
+ def __init__(self, width, height, jupyter=False):
self.width = width
self.height = height
self.yxBase = array([6, 21]) # pixel offset
@@ -127,15 +127,15 @@ class RenderTool(object):
# self.gl = MPLGL()
if gl == "MPL":
- self.gl = MPLGL(env.width, env.height,jupyter)
+ self.gl = MPLGL(env.width, env.height, jupyter)
elif gl == "QT":
- self.gl = QTGL(env.width, env.height,jupyter)
+ self.gl = QTGL(env.width, env.height, jupyter)
elif gl == "PIL":
- self.gl = PILGL(env.width, env.height,jupyter)
+ self.gl = PILGL(env.width, env.height, jupyter)
elif gl == "PILSVG":
- self.gl = PILSVG(env.width, env.height,jupyter)
+ self.gl = PILSVG(env.width, env.height, jupyter)
elif gl == "QTSVG":
- self.gl = QTSVG(env.width, env.height,jupyter)
+ self.gl = QTSVG(env.width, env.height, jupyter)
self.new_rail = True
@@ -704,7 +704,6 @@ class RenderTool(object):
def getImage(self):
return self.gl.getImage()
-
def plotTreeObs(self, gObs):
nBranchFactor = 4
@@ -735,10 +734,11 @@ class RenderTool(object):
gP0 = array([gX1, gY1, gZ1])
def renderEnv2(
- self, show=False, curves=True, spacing=False, arrows=False, agents=True,
- show_observations=True, sRailColor="gray",
- frames=False, iEpisode=None, iStep=None, iSelectedAgent=None,
- action_dict=dict()):
+ self, show=False, curves=True, spacing=False, arrows=False, agents=True,
+ show_observations=True, sRailColor="gray",
+ frames=False, iEpisode=None, iStep=None, iSelectedAgent=None,
+ action_dict=dict()
+ ):
"""
Draw the environment using matplotlib.
Draw into the figure if provided.
diff --git a/tests/test_player.py b/tests/test_player.py
index 876db6b3d9d7a258451385f377b45dc2e4c2a4fa..75b75c471d0de8bcf401d61e74bfb86c0ce1bb6c 100644
--- a/tests/test_player.py
+++ b/tests/test_player.py
@@ -1,12 +1,12 @@
-
from examples.play_model import main
+
+
# from examples.tkplay import tkmain
def test_main():
main(render=True, n_steps=20, n_trials=2, sGL="PIL")
main(render=True, n_steps=20, n_trials=2, sGL="PILSVG")
-
if __name__ == "__main__":
diff --git a/tests/test_rendertools.py b/tests/test_rendertools.py
index dade28fc7fe2fc92b499c2514fab644086729462..04d749bce6bd794e80af685caca1466596d48670 100644
--- a/tests/test_rendertools.py
+++ b/tests/test_rendertools.py
@@ -10,9 +10,9 @@ import matplotlib.pyplot as plt
import numpy as np
import flatland.utils.rendertools as rt
-from flatland.envs.observations import TreeObsForRailEnv
-from flatland.envs.rail_env import RailEnv, random_rail_generator
from flatland.envs.generators import empty_rail_generator
+from flatland.envs.observations import TreeObsForRailEnv
+from flatland.envs.rail_env import RailEnv
def checkFrozenImage(oRT, sFileImage, resave=False):
@@ -28,11 +28,10 @@ def checkFrozenImage(oRT, sFileImage, resave=False):
# this is now just for convenience - the file is not read back
np.savez_compressed(sDirImages + "test/" + sFileImage, img=img_test)
- image_store = np.load(sDirImages + sFileImage)
- img_expected = image_store["img"]
+ np.load(sDirImages + sFileImage)
# TODO fails!
- #assert (img_test.shape == img_expected.shape)
+ # assert (img_test.shape == img_expected.shape)
# assert ((np.sum(np.square(img_test - img_expected)) / img_expected.size / 256) < 1e-3), \
# "Image {} does not match".format(sFileImage)