Geoportal Extension for OpenLayers API Reference

Class: Isocurve


Isocurve Control.

new Isocurve(options)

OpenLayers/Controls/Isocurve.js, line 77
Name Type Description
options Object

Isocurve control options

Name Type Default Description
apiKey String optional

API key for services call (isocurve and autocomplete services), mandatory if autoconf service has not been charged in advance

ssl Boolean true optional

use of ssl or not (default true, service requested using https protocol)

collapsed Boolean true optional

Specify if widget has to be collapsed (true) or not (false) on map loading. Default is true.

draggable Boolean false optional

Specify if widget is draggable

exclusions Object {"toll" : false, "tunnel" : false, "bridge" : false} optional

list of exclusions with status (true = checked). By default : no exclusions checked.

graphs Array ["Voiture", "Pieton"] optional

list of graph resources to be used for isocurve calculation, by default : ["Voiture", "Pieton"]. Possible values are "Voiture" and "Pieton". The first element is selected.

methods Array ["time", "distance"] optional

list of methods, by default : ["time", "distance"]. Possible values are "time" and "distance". The first element is selected by default.

directions Array ["departure", "arrival"] optional

list of directions to be displayed, by default : ["departure", "arrival"]. The first element is selected by default. Possible values are "departure" and "arrival".
Directions enable to specify if input location point will be used as a departure point ("departure") or as an arrival point ("arrival")

isocurveOptions Object {} optional

isocurve service options. see Gp.Services.isoCurve() to know all isocurve options.

autocompleteOptions Object {} optional

autocomplete service options. see Gp.Services.autoComplete() to know all autocomplete options

markerOpts Object optional

options to use your own marker. Default is a lightOrange marker.

Name Type Description
url String optional

marker base64 encoded url (ex "data:image/png;base64,...""). Mandatory for a custom marker

offset Array optional

Offsets in pixels used when positioning the overlay. The first element in the array is the horizontal offset. A positive value shifts the overlay right. The second element in the array is the vertical offset. A positive value shifts the overlay down. Default is [0, 0]. (see

layerDescription Object {} optional

Layer informations to be displayed in LayerSwitcher widget (only if a LayerSwitcher is also added to the map)

Name Type Default Description
title String "Isochrone/Isodistance" optional

Layer title to be displayed in LayerSwitcher

description String "isochrones/isodistance basé sur un graphe" optional

Layer description to be displayed in LayerSwitcher

var iso = ol.control.Isocurve({
     "collapsed" : false,
     "draggable" : true,
     "methods" : ["time", "distance"],
     "exclusions" : {
        "toll" : true,
        "bridge" : false,
        "tunnel" : true
     "graphs" : ["Pieton", "Voiture"],
     "markerOpts" : {
         "url" : "...",
         "offset" : [0,0]
     "isocurveOptions" : {},
     "autocompleteOptions" : {}


  • ol.control.Control



{Boolean} specify if isocurve control is collapsed (true) or not (false)


{Boolean} specify if isocurve control is draggable (true) or not (false)


compute(position, value, options)

OpenLayers/Controls/Isocurve.js, line 201

This method is public.
It allows to control the execution of a traitment.

Name Type Description
position Array

position in the projection map [ x, y ]

value Object

distance in km or hours-minutes

options Object

options = {...}


OpenLayers/Controls/Isocurve.js, line 135

Returns true if widget is collapsed (minimized), false otherwise

- true if widget is collapsed


OpenLayers/Controls/Isocurve.js, line 165

Get vector layer where Isocurve geometry is drawn

- ol.layer.Vector isocurve layer


OpenLayers/Controls/Isocurve.js, line 144

Collapse or display widget main container

Name Type Description
collapsed Boolean

True to collapse widget, False to display it


OpenLayers/Controls/Isocurve.js, line 174

Overwrite OpenLayers setMap method

Name Type Description
map ol.Map