get_dsm_30 {dsmSearch}

get_dsm_30

Description

Search for and download ALOS Global Digital Surface Model (AW3D30) via OpenTopography API 1.0.0 based on coordinates of a spatial point with a given distance or bounding box. The raster resolution is 30 meter.

Usage

get_dsm_30(x, y, r, epsg, bbox, key = "")

Arguments

x

numeric, indicating Longtitude degree of the center point.

y

numeric, indicating latitude degree of the center point.

r

numeric, indicating search distance (meter or feet) for LiDAR data.

epsg

numeric, the EPSG code specifying the coordinate reference system.

bbox

vector, a bounding box defining the geographical area for downloading data.

key

character, API key of OpenTopography.

Details

To request an API key of OpenTopography, online registeration is needed.

Value

raster

Examples

## Not run: 
data <- dsmSearch::get_dsm_30(bbox = c(-83.783557,42.241833,-83.696525,42.310420),
                              key = "API key")
data <- dsmSearch::get_dsm_30(x = -83.741289,
                              y = 42.270146,
                              r = 1000,
                              epsg = 2253,
                              key = "API key")

## End(Not run)