## ----message=FALSE------------------------------------------------------------ library(wikilake) library(nhdR) ## ----message=FALSE, eval=FALSE,cache=FALSE------------------------------------ # gull_meta <- wikilake::lake_wiki("Gull Lake (Michigan)") # gull <- nhd_plus_query(gull_meta$Lon, gull_meta$Lat, # dsn = c("NHDWaterbody", "NHDFlowLine"), buffer_dist = 0.05) ## ----message=FALSE, fig.width=6, fig.height=5, fig.align='center'------------- plot(gull$sp$NHDWaterbody$geometry, col = "blue", main = "Gull Lake (Michigan)") plot(gull$sp$NHDFlowLine$geometry, col = "cyan", add = TRUE) plot(gull$pnt, col = "red", pch = 19, add = TRUE) axis(1) axis(2)