draw

Richard Wen
rrwen.dev@gmail.com

A set of user-friendly wrapper functions for creating consistent graphics and diagrams with lines, common shapes, text, and page settings. Compatible with and based on the R 'grid' package.

Install

1. Install R
2. Install the RStudio code editor
3. Open an R Console in RStudio
4. Install draw in an R console with install.packages

install.packages("draw")

Usage

1. Load draw with library
2. Set page dimensions and units with drawSettings
3. Create a new page with drawPage
4. Draw graphics with drawBox, drawCircle, drawLine, drawText
5. Export graphics to a file with drawExport

library(draw)

# Set drawing settings
drawSettings(pageWidth = 5, pageHeight = 5, units = "inches")

# Create a new drawing page
drawPage()

# Draw graphics on the page
drawBox(x = 2.5, y = 2.5, width = 1, height = 1)
drawCircle(x = 2.5, y = 2.5, radius = 0.5)
drawLine(x = c(1, 4),
         y = c(1 ,1))
drawText(x = 2.5, y = 2.5, text = "TEXT")

# Export the drawing page to a PDF
drawExport("draw.pdf")

# Export the drawing page to a JPEG
drawExport("draw.jpeg", ppi = 300)