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Adapt read/write functions

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This commit is contained in:
Ian Jauslin 2021-12-01 13:46:25 -05:00
parent e68c671fc5
commit 92f9561e81
1 changed files with 34 additions and 15 deletions
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49
painter.py
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@ -23,7 +23,7 @@ class Painter(Widget):
# list of selected particles
self.selected=[]
# complement
self.unselected=self.particles
self.unselected=[]
# relative position of mouse when moving
self.offset=Point(0,0)
@ -250,15 +250,15 @@ class Painter(Widget):
return self.adjust_move_element(newdelta,element,recursion_depth+1)
# TODO adapt
# write configuration to file
def write(self,file):
ff=open(file,"w")
for particle in self.particles:
ff.write("{:05.2f},{:05.2f};{:3.1f},{:3.1f},{:3.1f}\n".format(particle.pos.x,particle.pos.y,particle.color[0],particle.color[1],particle.color[2]))
if type(particle)==Cross:
ff.write("{:d};".format(CROSS_INDEX))
ff.write("{:05.2f},{:05.2f};{:3.1f},{:3.1f},{:3.1f}\n".format(particle.squares[0].pos.x,particle.squares[0].pos.y,particle.color[0],particle.color[1],particle.color[2]))
ff.close()
# TODO adapt
# read configuration from file
def read(self,file):
self.reset()
@ -292,40 +292,55 @@ class Painter(Widget):
entries=line.split(";")
# skip line if improperly formatted
if len(entries)>2:
print("warning: ignoring line "+str(i)+" in file '"+file+"': more than two ';' spearated entries in '"+line+"'",file=sys.stderr)
if len(entries)>3:
print("warning: ignoring line "+str(i)+" in file '"+file+"': more than three ';' spearated entries in '"+line+"'",file=sys.stderr)
if len(entries)<2:
print("warning: ignoring line "+str(i)+" in file '"+file+"': fewer than two ';' spearated entries in '"+line+"'",file=sys.stderr)
continue
# position
pos_str=entries[0].split(",")
pos_str=entries[1].split(",")
# skip line if improperly formatted
if len(pos_str)!=2:
print("warning: ignoring line "+str(i)+" in file '"+file+"': position '"+entries[0]+"' does not have two components",file=sys.stderr)
print("warning: ignoring line "+str(i)+" in file '"+file+"': position '"+entries[1]+"' does not have two components",file=sys.stderr)
continue
try:
pos=Point(float(pos_str[0]),float(pos_str[1]))
except:
print("warning: ignoring line "+str(i)+" in file '"+file+"': position '"+entries[0]+"' cannot be read",file=sys.stderr)
print("warning: ignoring line "+str(i)+" in file '"+file+"': position '"+entries[1]+"' cannot be read",file=sys.stderr)
continue
# color
color=(0,0,1)
if len(entries)==2:
color_str=entries[1].split(",")
if len(entries)==3:
color_str=entries[2].split(",")
# skip line if improperly formatted
if len(color_str)!=3:
print("warning: ignoring line "+str(i)+" in file '"+file+"': color '"+entries[1]+"' does not have three components",file=sys.stderr)
print("warning: ignoring line "+str(i)+" in file '"+file+"': color '"+entries[2]+"' does not have three components",file=sys.stderr)
continue
try:
color=(float(color_str[0]),float(color_str[1]),float(color_str[2]))
except:
print("warning: ignoring line "+str(i)+" in file '"+file+"': color '"+entries[1]+"' cannot be read",file=sys.stderr)
print("warning: ignoring line "+str(i)+" in file '"+file+"': color '"+entries[2]+"' cannot be read",file=sys.stderr)
continue
if self.check_interaction_any(pos,None):
# candidate particle
try:
particle_type=int(entries[0])
except:
print("warning: ignoring line "+str(i)+" in file '"+file+"': particle type '"+entries[0]+"' is not an integer",file=sys.stderr)
continue
if particle_type==CROSS_INDEX:
candidate=Cross(pos.x,pos.y,color=color)
else:
print("warning: ignoring line "+str(i)+" in file '"+file+"': unrecognized particle type: '"+entries[0]+"'",file=sys.stderr)
continue
if not self.check_interaction_any(candidate,Point(0,0)):
# add to list
self.particles.append(Cross(pos.x,pos.y,color=color))
self.particles.append(candidate)
self.unselected.append(candidate)
else:
print("warning: ignoring line "+str(i)+" in file '"+file+"': particle overlaps with existing particles",file=sys.stderr)
@ -333,3 +348,7 @@ class Painter(Widget):
self.draw()
# global variables (used like precompiler variables)
CROSS_INDEX=1