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Imagery: Mosaicking two raster images in one layer #15

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Oct 31, 2023
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Imagery: Mosaicking two raster images in one layer #15

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479 changes: 243 additions & 236 deletions webmap.html
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18 changes: 16 additions & 2 deletions webmap.py
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Original file line number Diff line number Diff line change
Expand Up @@ -273,7 +273,18 @@ def getNDWI(image_2):
.where(ndmi.gte(0.5), 8) \

# NDMI visual parameters are set to use the unclassified NDMI style (ndmi_params)

# Masking
masked_ndwi = ndwi.updateMask(ndwi.gt(0.1))
binaryMask = ndwi.lt(0)
waterMask = binaryMask.selfMask()
masked_ndvi_classified = ndvi_classified.updateMask(waterMask)
# Image mosaic NDVI x NDWI
finalImg = ee.ImageCollection([masked_ndvi_classified, masked_ndwi]).mosaic()
finalimg_params = {
'min': 0,
'max': 7,
'palette': ['#00FFFF', '#a50026', '#ed5e3d', '#f9f7ae', '#fec978', '#9ed569', '#229b51', '#006837']
}
###########################################################
#################### MAIN PROJECT MAP ####################
# setting up the main map for the project
Expand Down Expand Up @@ -731,6 +742,9 @@ def getNDWI(image_2):
# adding NDWI layer to the map
NDWI = m.add_ee_layer(ndwi_masked, ndwi_params, 'NDWI')

# final image
FINALAYER = m.add_ee_layer(finalImg, finalimg_params, "FINAL IMAGE")

# adding contour lines to the map
CONTOURS = m.add_ee_layer(contours, contours_params, 'Contour lines')

Expand Down Expand Up @@ -968,7 +982,7 @@ def getNDWI(image_2):
'ADMINISTRATIVE LAYER': [WILAYA_ADMIN_INFO, MUNICIPALITIES_ADMIN_INFO],
'NATURAL LAYER': [FORESTS_AFFECTED_INFO, FORESTS_PRESERVED_INFO, AGRO_FARM_LAND_INFO, SHORELINE, WATERWAYS_INFO],
'INFRASTRUCTURE LAYER': [LOGISTIC_ZONES_INFO, PORT_INFRASTRUCTURE_INFO, CONSTRUCTION_ZONES_INFO, ROADS_INFO],
'ENVIRONEMENTAL INDICIES': [TCI, HILLSHADE, ELEVATION, SLOPES, EVI, NDMI_CLASSIFIED, NDVI, NDVI_CLASSIFIED, NDBI, NDWI, CONTOURS],
'ENVIRONEMENTAL INDICIES': [TCI, HILLSHADE, ELEVATION, SLOPES, EVI, NDMI_CLASSIFIED, NDVI, NDVI_CLASSIFIED, NDBI, NDWI, FINALAYER, CONTOURS],
},
exclusive_groups=False,
collapsed=False
Expand Down