Description Usage Arguments Value Author(s) See Also Examples
This function adds a scalebar to the animation frames created with frames_spatial
.
1 2 3 4 5 6 7 8 9 10 11 12 |
frames |
list of |
distance |
numeric, optional. Distance displayed by the scalebar (in either km or miles defined by argument |
height |
numeric, height of the scalebar in a range from 0 to 1 as the proportion of the overall height of the frame map. Default is 0.015. |
position |
character, position of the scalebar on the map. Either |
x |
numeric, position of the bottom left corner of the scalebar on the x axis. If not set, |
y |
numeric, position of the bottom left corner of the scalebar on the y axis. If not set, |
colour |
character, colour of the distance labels. Default is |
label_margin |
numeric, distance of the labels to the scalebar as a proportion of the height of the scalebar (e.g. if set to 2, the labels will be positioned with a distance to the scalebar of twice the scalebar height). |
units |
character, either "km" for kilometers or "miles" for miles. |
verbose |
logical, if |
List of frames.
Jakob Schwalb-Willmann
frames_spatial
frames_graph
animate_frames
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | library(moveVis)
library(move)
data("move_data", "basemap_data")
m <- align_move(move_data, res = 4, unit = "mins")
# create spatial frames using a custom NDVI base layer
r_list <- basemap_data[[1]]
r_times <- basemap_data[[2]]
frames <- frames_spatial(m, r_list = r_list, r_times = r_times, r_type = "gradient",
fade_raster = TRUE)
# add a scale bar to frames:
frames.a <- add_scalebar(frames)
frames.a[[100]]
# or in white at another position
frames.b <- add_scalebar(frames, colour = "white", position = "bottomright")
frames.b[[100]]
# or with another height
frames.c <- add_scalebar(frames, colour = "white", position = "bottomright", height = 0.025)
frames.c[[100]]
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