Vector features use the OpenLayers.Geometry classes as geometry description. They have an ‘attributes’ property, which is the data object, and a ‘style’ property, the default values of which are defined in the OpenLayers.Feature.Vector.style objects.
OpenLayers. | Vector features use the OpenLayers.Geometry classes as geometry description. |
Properties | |
fid | {String} |
geometry | {OpenLayers.Geometry} |
attributes | {Object} This object holds arbitrary properties that describe the feature. |
bounds | {OpenLayers.Bounds} The box bounding that feature’s geometry, that property can be set by an OpenLayers.Format object when deserializing the feature, so in most cases it represents an information set by the server. |
state | {String} |
style | {Object} |
renderIntent | {String} rendering intent currently being used |
Constructor | |
OpenLayers. | Create a vector feature. |
Functions | |
destroy | nullify references to prevent circular references and memory leaks |
clone | Create a clone of this vector feature. |
onScreen | Determine whether the feature is within the map viewport. |
createMarker | |
destroyMarker | |
createPopup | |
atPoint | Determins whether the feature intersects with the specified location. |
destroyPopup | |
move | Moves the feature and redraws it at its new location |
toState | Sets the new state |
Constants | |
OpenLayers. | OpenLayers features can have a number of style attributes. |
{OpenLayers.Bounds} The box bounding that feature’s geometry, that property can be set by an OpenLayers.Format object when deserializing the feature, so in most cases it represents an information set by the server.
Create a vector feature.
geometry | {OpenLayers.Geometry} The geometry that this feature represents. |
attributes | {Object} An optional object that will be mapped to the attributes property. |
style | {Object} An optional style object. |
clone: function ()
Create a clone of this vector feature. Does not set any non-standard properties.
{OpenLayers.Feature.Vector} An exact clone of this vector feature.
onScreen:function( boundsOnly )
Determine whether the feature is within the map viewport. This method tests for an intersection between the geometry and the viewport bounds. If a more effecient but less precise geometry bounds intersection is desired, call the method with the boundsOnly parameter true.
boundsOnly | {Boolean} Only test whether a feature’s bounds intersects the viewport bounds. Default is false. If false, the feature’s geometry must intersect the viewport for onScreen to return true. |
{Boolean} The feature is currently visible on screen (optionally based on its bounds if boundsOnly is true).
createMarker: function()
HACK | we need to decide if all vector features should be able to create markers |
{OpenLayers.Marker} For now just returns null
createPopup: function()
HACK | we need to decide if all vector features should be able to create popups |
{OpenLayers.Popup} For now just returns null
atPoint: function( lonlat, toleranceLon, toleranceLat )
Determins whether the feature intersects with the specified location.
lonlat | {OpenLayers.LonLat} |
toleranceLon | {float} Optional tolerance in Geometric Coords |
toleranceLat | {float} Optional tolerance in Geographic Coords |
{Boolean} Whether or not the feature is at the specified location
OpenLayers features can have a number of style attributes. The ‘default’ style will typically be used if no other style is specified. These styles correspond for the most part, to the styling properties defined by the SVG standard. Information on fill properties: http://www.w3.org
fill | {Boolean} Set to false if no fill is desired. |
fillColor | {String} Hex fill color. Default is “#ee9900”. |
fillOpacity | {Number} Fill opacity (0-1). Default is 0.4 |
stroke | {Boolean} Set to false if no stroke is desired. |
strokeColor | {String} Hex stroke color. Default is “#ee9900”. |
strokeOpacity | {Number} Stroke opacity (0-1). Default is 1. |
strokeWidth | {Number} Pixel stroke width. Default is 1. |
strokeLinecap | {String} Stroke cap type. Default is “round”. [butt | round | square] |
strokeDashstyle | {String} Stroke dash style. Default is “solid”. [dot | dash | dashdot | longdash | longdashdot | solid] |
graphic | {Boolean} Set to false if no graphic is desired. |
pointRadius | {Number} Pixel point radius. Default is 6. |
pointerEvents | {String} Default is “visiblePainted”. |
cursor | {String} Default is “”. |
externalGraphic | {String} Url to an external graphic that will be used for rendering points. |
graphicWidth | {Number} Pixel width for sizing an external graphic. |
graphicHeight | {Number} Pixel height for sizing an external graphic. |
graphicOpacity | {Number} Opacity (0-1) for an external graphic. |
graphicXOffset | {Number} Pixel offset along the positive x axis for displacing an external graphic. |
graphicYOffset | {Number} Pixel offset along the positive y axis for displacing an external graphic. |
graphicZIndex | {Number} The integer z-index value to use in rendering. |
graphicName | {String} Named graphic to use when rendering points. Supported values include “circle” (default), “square”, “star”, “x”, “cross”, “triangle”. |
graphicTitle | {String} Tooltip for an external graphic. Only supported in Firefox and Internet Explorer. |
backgroundGraphic | {String} Url to a graphic to be used as the background under an externalGraphic. |
backgroundGraphicZIndex | {Number} The integer z-index value to use in rendering the background graphic. |
backgroundXOffset | {Number} The x offset (in pixels) for the background graphic. |
backgroundYOffset | {Number} The y offset (in pixels) for the background graphic. |
backgroundHeight | {Number} The height of the background graphic. If not provided, the graphicHeight will be used. |
backgroundWidth | {Number} The width of the background width. If not provided, the graphicWidth will be used. |
label | {String} The text for an optional label. For browsers that use the canvas renderer, this requires either fillText or mozDrawText to be available. |
labelAlign | {String} Label alignment. This specifies the insertion point relative to the text. It is a string composed of two characters. The first character is for the horizontal alignment, the second for the vertical alignment. Valid values for horizontal alignment: “l”=left, “c”=center, “r”=right. Valid values for vertical alignment: “t”=top, “m”=middle, “b”=bottom. Example values: “lt”, “cm”, “rb”. The canvas renderer does not support vertical alignment, it will always use “b”. |
fontColor | {String} The font color for the label, to be provided like CSS. |
fontFamily | {String} The font family for the label, to be provided like in CSS. |
fontSize | {String} The font size for the label, to be provided like in CSS. |
fontWeight | {String} The font weight for the label, to be provided like in CSS. |
display | {String} Symbolizers will have no effect if display is set to “none”. All other values have no effect. |
nullify references to prevent circular references and memory leaks
destroy: function()
Create a clone of this vector feature.
clone: function ()
Determine whether the feature is within the map viewport.
onScreen:function( boundsOnly )
createMarker: function()
destroyMarker: function()
createPopup: function()
Determins whether the feature intersects with the specified location.
atPoint: function( lonlat, toleranceLon, toleranceLat )
destroyPopup: function()
Moves the feature and redraws it at its new location
move: function( location )
Sets the new state
toState: function( state )