def render_single(self):
if not self.input_file is None and not (self.output_file is None):
print self.input_file, self.output_file
if self.verbose:
print "Converting to NDVI..."
try:
ndvi(self.input_file,self.output_file,**self.ndvi_kwargs)
except KeyboardInterrupt:
pass
def render_single(self):
if not self.input_file is None and not (self.output_file is None):
print self.input_file, self.output_file
if self.verbose:
print "Converting to NDVI..."
try:
ndvi(self.input_file, self.output_file, **self.ndvi_kwargs)
except KeyboardInterrupt:
pass
def render_avconv(self,
video_codec = 'libx264',
frame_rate = 24.0,
vsync = 'cfr',
):
#extract keyword arguments
# Frame extraction
#if input file is specified reduce it to frames, otherwise skip
if not self.input_file is None:
cmd = ["avconv"]
cmd.append("-i %s" % self.input_file)
cmd.append("-y") #overwrite files without prompting
frame_file_format = os.sep.join((self.temp_dir,r"frame%09d.png")) #note that %d formatter is deliberately escaped for avconv's use
cmd.append(frame_file_format) #output
cmd = " ".join(cmd)
if self.verbose:
print "Extracting frames..."
print "\tRunning command: %s" % cmd
try:
run_cmd(cmd)
except KeyboardInterrupt:
pass
# NDVI conversion
if self.verbose:
print "Converting to all frames NDVI..."
frame_file_pattern = os.sep.join((self.temp_dir,r"frame[0-9]*.png"))
frame_filenames = sorted(glob.glob(frame_file_pattern))
try:
for frame_fn in frame_filenames:
ndvi_fn = frame_fn.replace("frame","ndvi")
if self.verbose:
print "generating ndvi plot: %s (press ctr-c to stop early)" % ndvi_fn
ndvi(frame_fn,
imageOutPath = ndvi_fn,
**self.ndvi_kwargs
)
except KeyboardInterrupt:
pass
# Movie Encoding
ndvi_file_format = os.sep.join((self.temp_dir,r"ndvi%09d.png"))
cmd = ["avconv"]
cmd.append("-y") #overwrite files without prompting
cmd.append("-i %s" % ndvi_file_format)
cmd.append("-c:v %s" % video_codec)
cmd.append("-r %f" % frame_rate)
cmd.append("-vsync %s" % vsync)
cmd.append(self.output_file) #output
cmd = " ".join(cmd)
if self.verbose:
print "Rendering movie..."
print "\tRunning command: %s" % cmd
try:
run_cmd(cmd)
except KeyboardInterrupt:
pass
def render_avconv(
self,
video_codec='libx264',
frame_rate=24.0,
vsync='cfr',
):
#extract keyword arguments
# Frame extraction
#if input file is specified reduce it to frames, otherwise skip
if not self.input_file is None:
cmd = ["avconv"]
cmd.append("-i %s" % self.input_file)
cmd.append("-y") #overwrite files without prompting
frame_file_format = os.sep.join(
(self.temp_dir, r"frame%09d.png")
) #note that %d formatter is deliberately escaped for avconv's use
cmd.append(frame_file_format) #output
cmd = " ".join(cmd)
if self.verbose:
print "Extracting frames..."
print "\tRunning command: %s" % cmd
try:
run_cmd(cmd)
except KeyboardInterrupt:
pass
# NDVI conversion
if self.verbose:
print "Converting to all frames NDVI..."
frame_file_pattern = os.sep.join((self.temp_dir, r"frame[0-9]*.png"))
frame_filenames = sorted(glob.glob(frame_file_pattern))
try:
for frame_fn in frame_filenames:
ndvi_fn = frame_fn.replace("frame", "ndvi")
if self.verbose:
print "generating ndvi plot: %s (press ctr-c to stop early)" % ndvi_fn
ndvi(frame_fn, imageOutPath=ndvi_fn, **self.ndvi_kwargs)
except KeyboardInterrupt:
pass
# Movie Encoding
ndvi_file_format = os.sep.join((self.temp_dir, r"ndvi%09d.png"))
cmd = ["avconv"]
cmd.append("-y") #overwrite files without prompting
cmd.append("-i %s" % ndvi_file_format)
cmd.append("-c:v %s" % video_codec)
cmd.append("-r %f" % frame_rate)
cmd.append("-vsync %s" % vsync)
cmd.append(self.output_file) #output
cmd = " ".join(cmd)
if self.verbose:
print "Rendering movie..."
print "\tRunning command: %s" % cmd
try:
run_cmd(cmd)
except KeyboardInterrupt:
pass
