Save PNG
Writes the hillshaded map to file.
save_png( hillshade, filename, title_text = NA, title_offset = c(20, 20), title_color = "black", title_size = 30, title_font = "sans", title_style = "normal", title_bar_color = NULL, title_bar_alpha = 0.5, title_position = "northwest", rotate = 0, asp = 1 )
hillshade |
Array (or matrix) of hillshade to be written. |
filename |
String with the filename. If '.png' is not at the end of the string, it will be appended automatically. |
title_text |
Default 'NULL'. Text. Adds a title to the image, using 'magick::image_annotate()'. |
title_offset |
Default 'c(20,20)'. Distance from the top-left (default, 'gravity' direction in image_annotate) corner to offset the title. |
title_color |
Default 'black'. Font color. |
title_size |
Default '30'. Font size in pixels. |
title_font |
Default 'sans'. String with font family such as "sans", "mono", "serif", "Times", "Helvetica", "Trebuchet", "Georgia", "Palatino" or "Comic Sans". |
title_style |
Default 'normal'. Font style (e.g. 'italic'). |
title_bar_color |
Default 'NULL'. If a color, this will create a colored bar under the title. |
title_bar_alpha |
Default '0.5'. Transparency of the title bar. |
title_position |
Default 'northwest'. Position of the title. |
rotate |
Default 0. Rotates the output. Possible values: 0, 90, 180, 270. |
asp |
Default '1'. Aspect ratio of the resulting plot. Use 'asp = 1/cospi(mean_latitude/180)' to rescale lat/long at higher latitudes to the correct the aspect ratio. |
filename_map = tempfile() #Save the map into `filename_map` montereybay %>% sphere_shade() %>% save_png(filename_map) #Rotate the map 180 degrees: montereybay %>% sphere_shade() %>% save_png(filename_map,rotate=180)
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