WindowLevel WindowLevel

Window and Level also known as window width and center.

Constructor

new WindowLevel(center, width)

Parameters:
NameTypeDescription
centernumber

The window center.

widthnumber

The window width.

Source

Classes

WindowLevel
WindowLevel

Members

center :number

The window center.

Type:
  • number
Source

dblclick

Handle double click event.

Source

keydown

Handle key down event.

Source

mousedown

Handle mouse down event.

Source

mousemove

Handle mouse move event.

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mouseout

Handle mouse out event.

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mouseup

Handle mouse up event.

Source

touchend

Handle touch end event.

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touchmove

Handle touch move event.

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touchstart

Handle touch start event.

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wheel

Handle mouse wheel event.

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width :number

The window width.

Type:
  • number
Source

Methods

activate(_bool)

Activate the tool.

Parameters:
NameTypeDescription
_boolboolean

The flag to activate or not.

Source

init()

Initialise the tool.

Source

setFeatures(features)

Set the tool live features.

Parameters:
NameTypeDescription
featuresobject

The list of features.

Source

WindowLevel

WindowLevel tool: handle window/level related events.

Constructor

new WindowLevel(app)

Parameters:
NameTypeDescription
appApp

The associated application.

Source
Example
import {App, AppOptions, ViewConfig, ToolConfig} from '//esm.sh/dwv';
// create the dwv app
const app = new App();
// initialise
const viewConfig0 = new ViewConfig('layerGroup0');
const viewConfigs = {'*': [viewConfig0]};
const options = new AppOptions(viewConfigs);
options.tools = {WindowLevel: new ToolConfig()};
app.init(options);
// activate tool
app.addEventListener('load', function () {
  app.setTool('WindowLevel');
});
// load dicom data
app.loadURLs([
  'https://raw.githubusercontent.com/ivmartel/dwv/master/tests/data/bbmri-53323851.dcm'
]);

Classes

WindowLevel
WindowLevel

Members

center :number

The window center.

Type:
  • number
Source

dblclick

Handle double click event.

Source

keydown

Handle key down event.

Source

mousedown

Handle mouse down event.

Source

mousemove

Handle mouse move event.

Source

mouseout

Handle mouse out event.

Source

mouseup

Handle mouse up event.

Source

touchend

Handle touch end event.

Source

touchmove

Handle touch move event.

Source

touchstart

Handle touch start event.

Source

wheel

Handle mouse wheel event.

Source

width :number

The window width.

Type:
  • number
Source

Methods

activate(_bool)

Activate the tool.

Parameters:
NameTypeDescription
_boolboolean

The flag to activate or not.

Source

init()

Initialise the tool.

Source

setFeatures(features)

Set the tool live features.

Parameters:
NameTypeDescription
featuresobject

The list of features.

Source