readData: Ensure data is on the local file system

In USGS-VIZLAB/vizlab: Utilities for building online data visualizations

Description

This function should be called from the generic, readData(). Reads data from a file into R format. If you just want the filepath so you can do it yourself, specify "customReader: filepath" in the viz.yaml

Can either be a single markdown file, specified with mimetype: text/markdown or markdown contained in yaml with mimetype: text/yaml

assumes only one .shp file in zip folder

Usage

readData(viz)

## S3 method for class 'character'
readData(viz)

## S3 method for class 'viz'
readData(viz)

## S3 method for class 'tabular'
readData(viz)

## S3 method for class 'yaml'
readData(viz)

## S3 method for class 'excel'
readData(viz)

## S3 method for class 'rds'
readData(viz)

## S3 method for class 'filepath'
readData(viz)

## S3 method for class 'parameter'
readData(viz)

## S3 method for class 'folder'
readData(viz)

## S3 method for class 'txt'
readData(viz)

## S3 method for class 'md'
readData(viz)

## S3 method for class 'inline'
readData(viz)

## S3 method for class 'json'
readData(viz)

## S3 method for class 'shp'
readData(viz)

## S3 method for class 'svg'
readData(viz)

Arguments

viz	vizlab object or identifier

Details

If simple markdown is used, return will be the rendered html, otherwise it will be a list of html fragments named with the keys from the yaml.

Value

single value or list of values

USGS-VIZLAB/vizlab documentation built on July 10, 2019, 12:08 a.m.