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UAVSAR cropping fixes for stackStripmapApp #367

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UAVSAR cropping fixes for stackStripmapApp #367

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14 changes: 7 additions & 7 deletions contrib/stack/stripmapStack/cropFrame.py
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Original file line number Diff line number Diff line change
Expand Up @@ -161,18 +161,18 @@ def cropFrame(frame, limits, outdir, israw=False):
####sensing start
ymin = np.floor( (limits[0] - frame.sensingStart).total_seconds() * frame.PRF)
print('Line start: ', ymin)
ymin = np.int( np.clip(ymin, 0, frame.numberOfLines-1))
ymin = int( np.clip(ymin, 0, frame.numberOfLines-1))


####sensing stop
ymax = np.ceil( (limits[1] - frame.sensingStart).total_seconds() * frame.PRF) + 1
print('Line stop: ', ymax)
ymax = np.int( np.clip(ymax, 1, frame.numberOfLines))
ymax = int( np.clip(ymax, 1, frame.numberOfLines))

print('Line limits: ', ymin, ymax)
print('Original Line Limits: ', 0, frame.numberOfLines)

if (ymax-ymin) <= 1:
if (ymax-ymin) < 0:
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why do you want to allow zero? Does zero mean that there is one pixel overlap?

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ping @ssangha, I think this is the only part we'd like clarification about. LGTM otherwise.

raise Exception('Azimuth limits appear to not overlap with the scene')


Expand All @@ -185,18 +185,18 @@ def cropFrame(frame, limits, outdir, israw=False):
####starting range
xmin = np.floor( (limits[2] - frame.startingRange)/frame.instrument.rangePixelSize)
print('Pixel start: ', xmin)
xmin = np.int(np.clip(xmin, 0, (frame.image.width//factor)-1))
xmin = int(np.clip(xmin, 0, (frame.image.filename//factor)-1))

####far range
xmax = np.ceil( (limits[3] - frame.startingRange)/frame.instrument.rangePixelSize)+1
print('Pixel stop: ', xmax)

xmax = np.int(np.clip(xmax, 1, frame.image.width//factor))
xmax = int(np.clip(xmax, 1, frame.image.filename//factor))

print('Pixel limits: ', xmin, xmax)
print('Original Pixel Limits: ', 0, frame.image.width//factor)
print('Original Pixel Limits: ', 0, frame.image.filename//factor)

if (xmax - xmin) <= 1:
if (xmax - xmin) < 0:
raise Exception('Range limits appear to not overlap with the scene')

outframe.startingRange = frame.startingRange + xmin * frame.instrument.rangePixelSize
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6 changes: 6 additions & 0 deletions contrib/stack/stripmapStack/prepareUAVSAR_coregStack.py
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Expand Up @@ -55,6 +55,12 @@ def write_xml(shelveFile, slcFile):
slc.renderHdr()
slc.renderVRT()

# set filename in shelvefile
frame.image.filename = os.path.join(os.path.dirname(shelveFile), slcFile)
frame.image.width = width
with shelve.open(shelveFile) as db:
db['frame'] = frame


def get_Date(file):
yyyymmdd='20'+file.split('_')[4]
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