def threshold(layer, working_directory, forms):
logger.debug("threshold {}".format(forms))
image_in = layer.get_source()
temp = []
i = 1
if len(forms) == 1:
output_filename = os.path.join(
working_directory,
os.path.basename(os.path.splitext(image_in)[0]) + "_threshold" +
os.path.splitext(image_in)[1])
OTBApplications.bandmath_cli([image_in], forms[0], output_filename)
else:
for formula in forms:
output_filename = os.path.join(
working_directory,
os.path.basename(os.path.splitext(image_in)[0]) +
"_threshold" + str(i) + os.path.splitext(image_in)[1])
OTBApplications.bandmath_cli([image_in], formula, output_filename)
i += 1
temp.append(output_filename)
output_filename = os.path.join(
working_directory,
os.path.basename(os.path.splitext(image_in)[0]) + "_threshold" +
os.path.splitext(image_in)[1])
OTBApplications.concatenateImages_cli(temp, output_filename)
return output_filename
def angles(layer, working_directory, x, y):
ident = layer.get_qgis_layer().dataProvider().identify(
QgsPoint(x, y), QgsRaster.IdentifyFormatValue)
logger.debug(ident)
if ident is not None:
attr = ident.results()
logger.debug(attr)
if len(attr) == layer.get_qgis_layer().bandCount():
image_in = layer.get_qgis_layer().source()
output_filename = os.path.join(
working_directory,
os.path.basename(os.path.splitext(image_in)[0]) + "_angles" +
str(x).replace(".", "dot") + "_" + str(y).replace(".", "dot") +
os.path.splitext(image_in)[1])
if not os.path.isfile(output_filename):
num = []
denom = []
fact = []
# acos((im1b1*1269+im1b2*1060+im1b3*974+im1b4*1576)/
# (sqrt((1269*1269+1060*1060+974*974+1576*1576)*
# (im1b1*im1b1+im1b2*im1b2+im1b3*im1b3+im1b4*im1b4))))
for index in range(1, layer.get_qgis_layer().bandCount() + 1):
current_band = "im1b{}".format(index)
band_value = attr[index]
num.append(current_band + "*" + str(band_value))
denom.append(str(band_value) + "*" + str(band_value))
fact.append(current_band + "*" + current_band)
#compute denom for testing != 0
mult_denom = "({})*({})".format("+".join(denom),
"+".join(fact))
#raw formula
formula = "acos(({})/(sqrt({})))".format(
"+".join(num), mult_denom)
#add threshold
formule_ = '"({}>0.0001?1/{}:0)"'.format(formula, formula)
#add test on denom
formula_with_test_denom_diff_0 = "({}!=0?{}:0)".format(
mult_denom, formule_)
logger.debug("num {}".format(num))
logger.debug("denom {}".format(denom))
logger.debug("fact {}".format(fact))
logger.debug(
"formula {}".format(formula_with_test_denom_diff_0))
OTBApplications.bandmath_cli([image_in],
formula_with_test_denom_diff_0,
output_filename)
# rlayer = manage_QGIS.addRasterLayerToQGIS( output_filename, os.path.basename(os.path.splitext(image_in)[0]) + "_angles" + str(x) + "_" + str(y), iface )
# manage_QGIS.histogram_stretching( rlayer, iface.mapCanvas())
return output_filename
def angles(layer, working_directory, x, y):
ident = layer.get_qgis_layer().dataProvider().identify(
QgsPoint(x, y), QgsRaster.IdentifyFormatValue)
logger.debug(ident)
if ident is not None:
attr = ident.results()
logger.debug(attr)
if len(attr) == layer.get_qgis_layer().bandCount():
image_in = layer.get_qgis_layer().source()
output_filename = os.path.join(
working_directory,
os.path.basename(os.path.splitext(image_in)[0]) + "_angles" +
str(x).replace(".", "dot") + "_" + str(y).replace(".", "dot") +
os.path.splitext(image_in)[1])
if not os.path.isfile(output_filename):
num = []
denom = []
fact = []
# acos((im1b1*1269+im1b2*1060+im1b3*974+im1b4*1576)/
# (sqrt((1269*1269+1060*1060+974*974+1576*1576)*
# (im1b1*im1b1+im1b2*im1b2+im1b3*im1b3+im1b4*im1b4))))
for index in range(1, layer.get_qgis_layer().bandCount() + 1):
current_band = "im1b" + str(index)
band_value = attr[index]
num.append(current_band + "*" + str(band_value))
denom.append(str(band_value) + "*" + str(band_value))
fact.append(current_band + "*" + current_band)
formula = "if(((" + "+".join(fact) + ") != 0),"
formula += "acos("
formula += "(" + "+".join(num) + ")/"
formula += "(sqrt("
formula += "(" + "+".join(denom) + ")*"
formula += "(" + "+".join(fact) + ")"
formula += "))"
formula += "), 0)"
formule_ = "\"if( " + formula + ">0.0001, 1/" + formula + ", 0)\""
logger.debug("num" + str(num))
logger.debug("denom" + str(denom))
logger.debug("fact" + str(fact))
logger.debug("formula" + str(formula))
OTBApplications.bandmath_cli([image_in], formule_,
output_filename)
# rlayer = manage_QGIS.addRasterLayerToQGIS( output_filename, os.path.basename(os.path.splitext(image_in)[0]) + "_angles" + str(x) + "_" + str(y), iface )
# manage_QGIS.histogram_stretching( rlayer, iface.mapCanvas())
return output_filename
def angles(layer, working_directory, x, y):
ident = layer.get_qgis_layer().dataProvider().identify(QgsPoint(x, y), QgsRaster.IdentifyFormatValue)
logger.debug(ident)
if ident is not None:
attr = ident.results()
logger.debug(attr)
if len(attr) == layer.get_qgis_layer().bandCount():
image_in = layer.get_qgis_layer().source()
output_filename = os.path.join(working_directory, os.path.basename(os.path.splitext(image_in)[0]) + "_angles" + str(x).replace(".", "dot") + "_" + str(y).replace(".", "dot") + os.path.splitext(image_in)[1])
if not os.path.isfile(output_filename):
num = []
denom = []
fact = []
# acos((im1b1*1269+im1b2*1060+im1b3*974+im1b4*1576)/
# (sqrt((1269*1269+1060*1060+974*974+1576*1576)*
# (im1b1*im1b1+im1b2*im1b2+im1b3*im1b3+im1b4*im1b4))))
for index in range(1, layer.get_qgis_layer().bandCount() + 1):
current_band = "im1b" + str(index)
band_value = attr[index]
num.append(current_band + "*" + str(band_value))
denom.append(str(band_value) + "*" + str(band_value))
fact.append(current_band + "*" + current_band)
formula = "if(((" + "+".join(fact) + ") != 0),"
formula += "acos("
formula += "(" + "+".join(num) + ")/"
formula += "(sqrt("
formula += "(" + "+".join(denom) + ")*"
formula += "(" + "+".join(fact) + ")"
formula += "))"
formula += "), 0)"
formule_ = "\"if( " + formula + ">0.0001, 1/" + formula + ", 0)\""
logger.debug("num" + str(num))
logger.debug("denom" + str(denom))
logger.debug("fact" + str(fact))
logger.debug("formula" + str(formula))
OTBApplications.bandmath_cli([image_in], formule_, output_filename)
# rlayer = manage_QGIS.addRasterLayerToQGIS( output_filename, os.path.basename(os.path.splitext(image_in)[0]) + "_angles" + str(x) + "_" + str(y), iface )
# manage_QGIS.histogram_stretching( rlayer, iface.mapCanvas())
return output_filename
def angles(layer, working_directory, x, y):
ident = layer.get_qgis_layer().dataProvider().identify(QgsPoint(x, y), QgsRaster.IdentifyFormatValue)
logger.debug(ident)
if ident is not None:
attr = ident.results()
logger.debug(attr)
if len(attr) == layer.get_qgis_layer().bandCount():
image_in = layer.get_qgis_layer().source()
output_filename = os.path.join(working_directory, os.path.basename(os.path.splitext(image_in)[0]) + "_angles" + str(x).replace(".", "dot") + "_" + str(y).replace(".", "dot") + os.path.splitext(image_in)[1])
if not os.path.isfile(output_filename):
num = []
denom = []
fact = []
# acos((im1b1*1269+im1b2*1060+im1b3*974+im1b4*1576)/
# (sqrt((1269*1269+1060*1060+974*974+1576*1576)*
# (im1b1*im1b1+im1b2*im1b2+im1b3*im1b3+im1b4*im1b4))))
for index in range(1, layer.get_qgis_layer().bandCount() + 1):
current_band = "im1b{}".format(index)
band_value = attr[index]
num.append(current_band + "*" + str(band_value))
denom.append(str(band_value) + "*" + str(band_value))
fact.append(current_band + "*" + current_band)
#compute denom for testing != 0
mult_denom = "({})*({})".format("+".join(denom),
"+".join(fact))
#raw formula
formula = "acos(({})/(sqrt({})))".format("+".join(num),
mult_denom)
#add threshold
formule_ = '"({}>0.0001?1/{}:0)"'.format(formula, formula)
#add test on denom
formula_with_test_denom_diff_0 = "({}!=0?{}:0)".format(mult_denom, formule_)
logger.debug("num {}".format(num))
logger.debug("denom {}".format(denom))
logger.debug("fact {}".format(fact))
logger.debug("formula {}".format(formula_with_test_denom_diff_0))
OTBApplications.bandmath_cli([image_in], formula_with_test_denom_diff_0, output_filename)
# rlayer = manage_QGIS.addRasterLayerToQGIS( output_filename, os.path.basename(os.path.splitext(image_in)[0]) + "_angles" + str(x) + "_" + str(y), iface )
# manage_QGIS.histogram_stretching( rlayer, iface.mapCanvas())
return output_filename
def brightness(layer, working_directory):
# IB = sqrt(RxR+PIRxPIR)
if not layer:
logger.debug("Aucune layer selectionnée")
else:
if layer.pir and layer.red:
image_in = layer.source_file
logger.debug("image_in" + image_in)
logger.debug(working_directory)
output_filename = os.path.join(working_directory,
os.path.basename(os.path.splitext(image_in)[0]) + "_brillance" + os.path.splitext(image_in)[1])
logger.debug(output_filename)
if not os.path.isfile(output_filename):
layer_pir = "im1b" + str(layer.pir)
layer_red = "im1b" + str(layer.red)
expression = "\"sqrt(" + layer_red + "*" + layer_red + "*" + layer_pir + "*" + layer_pir + ")\""
logger.debug(expression)
logger.debug("image_in" + image_in)
OTBApplications.bandmath_cli([image_in], expression, output_filename)
return output_filename
def ndti(layer, working_directory):
# SQRT(R+0.5)
# NDTI= (R-G)/(R+G)
if not layer:
logger.debug("Aucune layer selectionnée")
else:
if layer.red:
image_in = layer.source_file
logger.debug("image_in" + image_in)
output_filename = os.path.join(working_directory, os.path.basename(os.path.splitext(image_in)[0]) + "_ndti" + os.path.splitext(image_in)[1])
logger.debug(output_filename)
if not os.path.isfile(output_filename):
layer_red = "im1b" + str(layer.red)
layer_green = "im1b" + str(layer.green)
# expression = "\"sqrt(" + layer_red + "+0.5)\""
expression = "\"if((" + layer_red + "+" + layer_green + ")!=0,(" + layer_red + "-" + layer_green + ")/(" + layer_red + "+" + layer_green + "),0)\""
logger.debug(expression)
logger.debug("image_in" + image_in)
OTBApplications.bandmath_cli([image_in], expression, output_filename)
return output_filename
def ndvi(layer, working_directory):
# NDVI= (PIR-R)/(PIR+R)
if not layer:
logger.debug("Aucune layer selectionnée")
else:
if layer.pir and layer.red:
image_in = layer.source_file
logger.debug("image_in: " + image_in)
logger.debug(working_directory)
output_filename = os.path.join(working_directory,
os.path.basename(os.path.splitext(image_in)[0]) + "_ndvi" + os.path.splitext(image_in)[1])
logger.debug(output_filename)
if not os.path.isfile(output_filename):
layer_pir = "im1b" + str(layer.pir)
layer_red = "im1b" + str(layer.red)
expression = "\"if((" + layer_pir + "+" + layer_red + ")!=0,(" + layer_pir + "-" + layer_red + ")/(" + layer_pir + "+" + layer_red + "),0)\""
logger.debug(expression)
logger.debug("image_in" + image_in)
OTBApplications.bandmath_cli([image_in], expression, output_filename)
return output_filename
return ""
def threshold(layer, working_directory, forms):
logger.debug("threshold" + str(forms))
image_in = layer.get_source()
temp = []
i = 1
if len(forms) == 1:
output_filename = os.path.join(working_directory,
os.path.basename(os.path.splitext(image_in)[0]) + "_threshold" + os.path.splitext(image_in)[1])
OTBApplications.bandmath_cli([image_in], forms[0], output_filename)
else:
for formula in forms:
output_filename = os.path.join(working_directory,
os.path.basename(os.path.splitext(image_in)[0]) + "_threshold" + str(i) + os.path.splitext(image_in)[1])
OTBApplications.bandmath_cli([image_in], formula, output_filename)
i += 1
temp.append(output_filename)
output_filename = os.path.join(working_directory, os.path.basename(os.path.splitext(image_in)[0]) + "_threshold" + os.path.splitext(image_in)[1])
OTBApplications.concatenateImages_cli(temp, output_filename)
return output_filename
def brightness(layer, working_directory):
# IB = sqrt(RxR+PIRxPIR)
if not layer:
logger.debug("Aucune layer selectionnée")
else:
if layer.pir and layer.red:
image_in = layer.source_file
logger.debug("image_in" + image_in)
logger.debug(working_directory)
output_filename = os.path.join(
working_directory,
os.path.basename(os.path.splitext(image_in)[0]) +
"_brillance" + os.path.splitext(image_in)[1])
logger.debug(output_filename)
if not os.path.isfile(output_filename):
layer_pir = "im1b{}".format(layer.pir)
layer_red = "im1b{}".format(layer.red)
expression = "\"sqrt(" + layer_red + "*" + layer_red + "+" + layer_pir + "*" + layer_pir + ")\""
logger.debug(expression)
logger.debug("image_in" + image_in)
OTBApplications.bandmath_cli([image_in], expression,
output_filename)
return output_filename
def ndti(layer, working_directory):
# SQRT(R+0.5)
# NDTI= (R-G)/(R+G)
if not layer:
logger.debug("Aucune layer selectionnée")
else:
if layer.red:
image_in = layer.source_file
logger.debug("image_in" + image_in)
output_filename = os.path.join(
working_directory,
os.path.basename(os.path.splitext(image_in)[0]) + "_ndti" +
os.path.splitext(image_in)[1])
logger.debug(output_filename)
if not os.path.isfile(output_filename):
layer_red = "im1b{}".format(layer.red)
layer_green = "im1b{}".format(layer.green)
# expression = "\"sqrt(" + layer_red + "+0.5)\""
expression = "\"((" + layer_red + "+" + layer_green + ")!=0?(" + layer_red + "-" + layer_green + ")/(" + layer_red + "+" + layer_green + "):0)\""
logger.debug(expression)
logger.debug("image_in" + image_in)
OTBApplications.bandmath_cli([image_in], expression,
output_filename)
return output_filename
def ndvi(layer, working_directory):
# NDVI= (PIR-R)/(PIR+R)
if not layer:
logger.debug("Aucune layer selectionnée")
else:
if layer.pir and layer.red:
image_in = layer.source_file
logger.debug("image_in: " + image_in)
logger.debug(working_directory)
output_filename = os.path.join(
working_directory,
os.path.basename(os.path.splitext(image_in)[0]) + "_ndvi" +
os.path.splitext(image_in)[1])
logger.debug(output_filename)
if not os.path.isfile(output_filename):
layer_pir = "im1b{}".format(layer.pir)
layer_red = "im1b{}".format(layer.red)
expression = "\"((" + layer_pir + "+" + layer_red + ")!=0?(" + layer_pir + "-" + layer_red + ")/(" + layer_pir + "+" + layer_red + "):0)\""
logger.debug(expression)
logger.debug("image_in" + image_in)
OTBApplications.bandmath_cli([image_in], expression,
output_filename)
return output_filename
return ""
