IMD data download and processing for custom regions Download and process IMD rainfall data for a bounding box

Downloads IMD gridded rainfall data and filters it to a specified bounding box.

Usage

IMDRainfallBbox(...)

imd_rainfall_bbox(
  request_id,
  start_year,
  end_year,
  north,
  south,
  east,
  west,
  resolution = 0.25,
  frequency = "daily",
  save_raw = FALSE,
  output_dir = tempdir(),
  use_cache = TRUE
)

Arguments

...

Arguments passed to the main function (used by aliases).

request_id

Unique identifier for the request.

start_year

Start year.

end_year

End year.

north

Northern latitude boundary.

south

Southern latitude boundary.

east

Eastern longitude boundary.

west

Western longitude boundary.

resolution

Spatial resolution: 0.25 or 1.0 degrees (default: 0.25).

frequency

Temporal frequency: "daily", "monthly", "yearly" (default: "daily").

save_raw

Whether to save raw downloaded files (default: FALSE).

output_dir

Directory to save files (default: tempdir()).

use_cache

Whether to use cached data if available (default: TRUE).

Value

data.frame with processed rainfall data

Examples

if (FALSE) { # \dontrun{
data <- imd_rainfall_bbox(
  request_id = "maharashtra_rain",
  start_year = 2023,
  end_year = 2024,
  north = 22, south = 16,
  east = 80, west = 73,
  resolution = 0.25,
  frequency = "monthly"
)
} # }