VH UNSW 2021 InletTracker specific function that calculates the delta-to-median parameter from the full spectral transects genera

VH UNSW 2021 function that uses an nparray image and an nparray polygon as input and returns a copy of the image with the pixel

Downloads a .TIF image from the ee server. The image is downloaded as a zip file then moved to the working directory, unzipped and stacked in

Creates a cloud mask using the information contained in the QA band. KV WRL 2018 Arguments: ----------- im_QA: np.array

VH UNSW 2021 function that calculates a bounding box around a polygon

VH UNSW 2021 load polygons from a shapefile as ndarrays

Copy this files image into target file. This method will compute the overlap area of the file_info objects file, and the tar

Gets the metadata from the downloaded images by parsing .txt files located in the \meta subfolder. KV WRL 2018 Arguments: -----

Pansharpens a multispectral image, using the panchromatic band and a cloud mask. A PCA is applied to the image, then the 1st PC is replaced,

Compute a mask from polygon. from github since it wasn't included in the coastsat version of scikit yet Parameters ---------- image_sh

Reads the image and outputs the pansharpened/down-sampled multispectral bands, the georeferencing vector of the image (coordinates of the upp

Removes from the EE collection very cloudy images (>95% cloud cover) KV WRL 2018 Arguments: ----------- im_list: list l

Rescales the intensity of an image (multispectral or single band) by applying a cloud mask and clipping the prob_high upper percentile. This

Return list of corner coordinates from a geotransform

Create the structure of subfolders for each satellite mission KV WRL 2018 Arguments: ----------- inputs: dict inputs di

compute time-series of water level for a location and dates using a time_step

compute time-series of water level for a location and dates (using a dates vector)

Create the structure of subfolders for each satellite mission KV WRL 2018 Arguments: ----------- im_folder: str folder

Saves a .jpg file with the RGB image as well as the NIR and SWIR1 grayscale images. This functions can be modified to obtain different visual

return duplicates and indices

Removes duplicates from the EE collection of Sentinel-2 images (many duplicates) Finds the images that were acquired at the same time but hav

Adjust the pixel values of a grayscale image such that its histogram matches that of a target image. Arguments: ----------- sour

Initialize file_info from filename filename -- Name of file to read. Returns 1 on success or 0 if the file can't be opened.

Merge simultaneous overlapping images that cover the area of interest. When the area of interest is located at the boundary between 2 images,

Translate a list of GDAL filenames, into file_info objects. names -- list of valid GDAL dataset names. Returns a list of file_info obje

Shows the image to the user for visual detection of the state. The user can select "open", "closed", "unclear" or "skip" if the image is of

VH UNSW 2021 Function that brings up a popup window showing the dashboard overview plots created by automated_inlet_paths along w

Function that loops through the satellite imagery and, for each image, automatically finds the connecting path from the seed to the receiver

VH UNSW 2021 takes a continuous input series of a given variable and a corresponding 'truth' binary series this function then fi

VH UNSW 2021 Function that loops through all classified images and then calls the show_detection function to bring up the pop up

VH UNSW 2021 classify a greyscale image of a water sensitive band/index using otsu thresholding returns classified image wh

VH UNSW 2021 Classifies the full time series of spectral transects generated by automated_inlet_paths into binary inlet states (op

Converts from one spatial reference to another using the epsg codes KV WRL 2018 Arguments: ----------- points: np.array or

Converts pixel coordinates (pixel row and column) to world projected coordinates performing an affine transformation. KV WRL 2018

Converts world projected coordinates (X,Y) to image coordinates (pixel row and column) performing an affine transformation. KV WRL

Function that lets user visually inspect satellite images and decide if inlet is open or closed. This can be done for the entire da

Extremely efficient script to get closest data point to a set of dates from a very long time-series (e.g., 15-minutes tide data, or hourly wa

Creates filepath + filename for all the bands belonging to the same image. KV WRL 2018 Arguments: ----------- filename: str

Create filepath to the different folders containing the satellite images. KV WRL 2018 Arguments: ----------- inputs: dict w

Returns a polygon with the bounds of the image in the .tif file KV WRL 2020 Arguments: ----------- fn: str path to

Allows the user to manually digitize a reference shoreline that is used seed the shoreline detection algorithm. The reference shoreline helps

Calculates the standard deviation of an image, using a moving window of specified radius. Uses astropy's convolution library' Argum

VH UNSW 2021 Function that drills into the FES2014 global tide model reanalysis dataset, based on the location of seed point A in

VH UNSW 2021 load individual polygons from a shapefile

Masks a .tif raster using GDAL. Arguments: ----------- fn: str filepath + filename of the .tif raster mask: np.array

VH UNSW 2021 function that uses an nparray image and an nparray polygon as input and returns a copy of the image with the pixel

Function to merge the output dictionnary, which has one key per satellite mission into a dictionnary containing all the shorelines and dates

Computes normalised difference index on 2 images (2D), given a cloud mask (2D). KV WRL 2018 Arguments: ----------- im1: np.arra

Saves the mapped shorelines as a gpd.GeoDataFrame KV WRL 2018 Arguments: ----------- output: dict contains the

VH UNSW 2021 Function that creates three plots from the results of the InletTracker processing chain.

Extracts coordinates from a .kml file. KV WRL 2018 Arguments: ----------- fn: str filepath + filename of the kml fi

Function to remove from the output dictionnary entries containing shorelines for the same date and satellite mission. This happens when ther

Function to remove from the output dictionnary entries containing shorelines that were mapped on images with inaccurate georeferencing:

Downloads all images from Landsat 5, Landsat 7, Landsat 8 and Sentinel-2 covering the area of interest and acquired between the specified dat

Saves a .jpg image for all the images contained in metadata. KV WRL 2018 Arguments: ----------- metadata: dict contains

VH UNSW 2021 Prepares a dataframe for binary classification from the full XS_df that contains the spectral transects for NIR, SWIR

Converts a polygon to the smallest rectangle polygon with sides parallel to coordinate axes. KV WRL 2020 Arguments: ------

VH UNSW 2021 this function subsets the input dataframe to within the start and end date

Reads transect coordinates from a .geojson file. Arguments: ----------- filename: str contains the path and filename of

Saves the shore-normal transects as a gpd.GeoDataFrame KV WRL 2018 Arguments: ----------- transects: dict conta