getFloat() / Reference / Processing.org

Name

getFloat()

Class

XML

Description

Returns an attribute value of the element as a float. If the defaultValue parameter is specified and the attribute doesn't exist, then defaultValue is returned. If no defaultValue is specified and the attribute doesn't exist, the value 0.0 is returned.

Examples

// The following short XML file called "mammals.xml" is parsed 
// in the code below. It must be in the project's "data" folder.
//
// <?xml version="1.0"?>
// <mammals>
//   <animal id="0" species="Capra hircus">Goat</animal>
//   <animal id="1" species="Panthera pardus">Leopard</animal>
//   <animal id="2" species="Equus zebra">Zebra</animal>
// </mammals>

XML xml;

void setup() {
  xml = loadXML("mammals.xml");
  XML firstChild = xml.getChild("animal");
  println(firstChild.getFloat("id"));
}

// Sketch prints:
// 0.0

Syntax

.getFloat(name)
.getFloat(name, defaultValue)

Parameters

name(String)the non-null full name of the attribute.
defaultValue(float)the default value of the attribute.

Return

float

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