CsvReader (Groovy Documentation)

geoscript.layer.io.CsvReader

All Implemented Interfaces and Traits:: Reader

class CsvReader
extends java.lang.Object
implements Reader

Read a CSV String, File, or InputStream and create a Layer.

 String csv = """"geom","name","price"
 "POINT (111 -47)","House","12.5"
 "POINT (121 -45)","School","22.7"
 """
 CsvReader reader = new CsvReader()
 Layer layer = reader.read(csv)

Authors:: Jared Erickson

Nested Class Summary

Nested classes
Modifiers	Name	Description
`static enum`	`CsvReader.Type`	The geometry encoding type.

Constructor Summary

Constructors
Constructor and description
`CsvReader (Map options)` Read a CSV dataset with the geometry encoded as WKT.
`CsvReader (Map options, java.lang.String xColumn, java.lang.String yColumn, CsvWriter.Type type)` Read a CSV dataset with the geometry encoded in separate x and y columns.
`CsvReader (Map options, java.lang.String column)` Read a CSV dataset with the geometry encoded as WKT.
`CsvReader (Map options, java.lang.String column, CsvWriter.Type type)` Read a CSV dataset with the geometry encoded as WKT.

Methods Summary

Methods
Type Params	Return Type	Name and description
	`Layer`	`read(Map options, java.io.InputStream input)` Read a GeoScript Layer from an InputStream
	`Layer`	`read(Map options, java.io.File file)` Read a GeoScript Layer from a File
	`Layer`	`read(Map options, java.lang.String str)` Read a GeoScript Layer from a String

Inherited Methods Summary

Inherited Methods
Methods inherited from class	Name
`class java.lang.Object`	`java.lang.Object#wait(long), java.lang.Object#wait(long, int), java.lang.Object#wait(), java.lang.Object#equals(java.lang.Object), java.lang.Object#toString(), java.lang.Object#hashCode(), java.lang.Object#getClass(), java.lang.Object#notify(), java.lang.Object#notifyAll()`

- Constructor Detail
  - CsvReader(Map options)
    
    Read a CSV dataset with the geometry encoded as WKT. The CSV data is inspected in order to discover the name of the geometry column.
    Parameters:
    options - The CSV reader options (separator and quote)
  - CsvReader(Map options, java.lang.String xColumn, java.lang.String yColumn, CsvWriter.Type type)
    
    Read a CSV dataset with the geometry encoded in separate x and y columns.
    Parameters:
    options - The CSV reader options (separator and quote)
    xColumn - The x column name
    yColumn - The y column name
  - CsvReader(Map options, java.lang.String column)
    
    Read a CSV dataset with the geometry encoded as WKT.
    Parameters:
    options - The CSV reader options (separator and quote)
    column - The name of the geometry column
  - CsvReader(Map options, java.lang.String column, CsvWriter.Type type)
    
    Read a CSV dataset with the geometry encoded as WKT.
    Parameters:
    options - The CSV reader options (separator and quote)
    column - The name of the geometry column
- Method Detail
  - Layer read(Map options, java.io.InputStream input)
    
    Read a GeoScript Layer from an InputStream
    Parameters:
    options - The optional named parameters:
    
    workspace: The Workspace used to create the Layer (defaults to Memory)
    
    projection: The Projection assigned to the Layer (defaults to null)
    
    name: The name of the Layer (defaults to csv)
    input - An InputStream
    Returns:
    A GeoScript Layer
  - Layer read(Map options, java.io.File file)
    
    Read a GeoScript Layer from a File
    Parameters:
    options - The optional named parameters:
    
    workspace: The Workspace used to create the Layer (defaults to Memory)
    
    projection: The Projection assigned to the Layer (defaults to null)
    
    name: The name of the Layer (defaults to csv)
    file - A File
    Returns:
    A GeoScript Layer
  - Layer read(Map options, java.lang.String str)
    
    Read a GeoScript Layer from a String
    Parameters:
    options - The optional named parameters:
    
    workspace: The Workspace used to create the Layer (defaults to Memory)
    
    projection: The Projection assigned to the Layer (defaults to null)
    
    name: The name of the Layer (defaults to csv)
    str - A String
    Returns:
    A GeoScript Layer

Summary:
Nested
Constructor
Method

| Detail:
Constructor
Method

Groovy Documentation

[Groovy] Class CsvReader

Nested Class Summary

Constructor Summary

Methods Summary

Inherited Methods Summary

Constructor Detail

CsvReader(Map options)

CsvReader(Map options, java.lang.String xColumn, java.lang.String yColumn, CsvWriter.Type type)

CsvReader(Map options, java.lang.String column)

CsvReader(Map options, java.lang.String column, CsvWriter.Type type)

Method Detail

Layer read(Map options, java.io.InputStream input)

Layer read(Map options, java.io.File file)

Layer read(Map options, java.lang.String str)