ggplot_classificationtriangle_part1: Create soil classification chart - part 1

In GJMeijer/soilmech: R functions and plots for Soil Mechanics teaching

Create soil classification chart - part 1

Description

Function returns ggplot of the first parts of the BS soil classification chart: the triagular upper part

Usage

ggplot_classificationtriangle_part1(
  gravel = NULL,
  sand = NULL,
  fines = NULL,
  group = NULL,
  grid_ticks = 10,
  grid_label = 20,
  tick_length = 2,
  label_length = 7,
  label_size = 2,
  title_length = 15,
  title_size = 3,
  soil_size = 2,
  soil_size2 = 1.4,
  soil_spacing = 0.75,
  polygon_line = 0.4,
  polygon_color = "grey60",
  xlim = c(-0.2, 1.2),
  ylim = c(-0.2, 1)
)

Arguments

gravel	fraction of gravel for crosshair annotation
sand	fraction of sand for crosshair annotation
fines	fraction of fines for crosshair annotation
group	grouping for crosshair annotation (label)
grid_ticks	distance between axis ticks, in %
grid_label	distance between axis tick labels, in %
tick_length	length of tick mark, in %
label_length	distance of tick label to chart axis, in %
label_size	font size of tick label
title_length	distance to axis title to chart, in %
title_size	font size of axis title
soil_size	font size of soil labels
soil_size2	font size of soil labels, for the small ones in the middle of the triangular plot
soil_spacing	line spacing for soil labels
polygon_line	thickness of soil polygon lines
polygon_color	color of soil polygon lines
xlim	plot x-limits
ylim	plot y-limits

Value

a ggplot object

Examples

#empty chart
ggplot_classificationtriangle_part1()

#chart with some annotations
ggplot_classificationtriangle_part1(
  gravel = 0.25,
  sand = 0.30,
  fines = 0.45
)

GJMeijer/soilmech documentation built on May 22, 2022, 10:39 a.m.