OneEye Changeset - 002858d37174

Changeset - 002858d37174

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Laman - 6 years ago 2018-12-16 18:13:04

sampler: loading and saving board annotations

2 files changed with 49 insertions and 3 deletions:

exp/color_sampler.py

src/analyzer/corners.py

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exp/color_sampler.py

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@@ @@ -2,18 +2,23 @@ import sys @@
 sys.path.append("../src")
 import os
 import json
 import gzip
 from collections.abc import MutableMapping
 import tkinter as tk
-from tkinter import LEFT,X,N,S,E,W
 from tkinter import LEFT,N,S,E,W
 from colorsys import rgb_to_hsv
 from PIL import Image,ImageTk
 from analyzer.epoint import EPoint
 from analyzer.corners import Corners
 class Sampler:
 	def __init__(self):
 		self.dirname="../images"
 		self.annotations=DataFile("annotations.json.gz")
 		self.filenames=[f for f in os.listdir(self.dirname) if f.endswith(".jpg")]
 		self.k=0
@@ @@ -24,6 +29,7 @@ class Sampler: @@
 		self.hsv=(0,0,0)
 		self.pos=(0,0)
 		self.corners=Corners()
 		self._dirty=False
 		self._createGUI()
@@ @@ -50,7 +56,11 @@ class Sampler: @@
 		self.canvas.create_image(0,0,image=self.photo,anchor="nw")
 		self.canvas.configure(width=w,height=h)
 		self.corners=Corners(self.annotations.get(self.filenames[self.k]) or [])
 		self._markCorners()
 	def switchImage(self,step):
 		self.save()
 		n=len(self.filenames)
 		self.k=(self.k+step+n)%n
 		self.showImage()
@@ @@ -61,8 +71,15 @@ class Sampler: @@
 	def addCorner(self,e):
 		self.corners.add(e.x,e.y)
 		self.annotations[self.filenames[self.k]]=list(self.corners)
 		self._dirty=True
 		self._markCorners()
 	def save(self):
 		if self._dirty:
 			self.annotations.save()
 			self.dirty=False
 	def _createGUI(self):
 		root=tk.Tk()
 		frame=tk.Frame(root)
@@ @@ -111,4 +128,33 @@ class Sampler: @@
 			self.canvas.create_line(d.x,d.y,a.x,a.y,fill="#00ff00",tags="mark")
 class DataFile(MutableMapping):
 	def __init__(self,filename):
 		self.filename=filename
 		try:
 			with gzip.open(filename,mode="rt",encoding="utf8") as f:
 				self._data=json.load(f,object_hook=self.deserialize)
 		except OSError:
 			self._data=dict()
 	def save(self):
 		with gzip.open(self.filename,mode="wt",encoding="utf8") as f:
 			json.dump(self._data,f,default=self.serialize,indent="\t")
 	def serialize(self,obj):
 		if isinstance(obj,EPoint):
 			return {"type": "EPoint", "val": [obj.x,obj.y]}
 		raise TypeError(obj)
 	def deserialize(self,obj):
 		if obj.get("type")!="EPoint": return obj
 		return EPoint(*obj["val"])
 	def __getitem__(self, key): return self._data[key]
 	def __setitem__(self, key, val): self._data[key]=val
 	def __delitem__(self, key): del self._data[key]
 	def __iter__(self): return iter(self._data)
 	def __len__(self): return len(self._data)
 s=Sampler()

src/analyzer/corners.py

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@@ @@ -6,8 +6,8 @@ log=logging.getLogger(__name__) @@
 class Corners:
 	def __init__(self):
 		self._corners=[]
 	def __init__(self,cornerList=[]):
 		self._corners=cornerList[:]
 	## Adds a new corner if there are less than four, replaces the closest otherwise.
 	def add(self,x,y):

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