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Description
Embeds a geographical map within a ColdFusion web page.Currently, ColdFusion supports only embedding of Google map. To generate a map, provide a valid Google map API key, and specify the latitude and longitude of the location, or the address of the location. The Google map API key can be specified in the following ways:
Using the cfajaximporttag. You specify the map API key in the params attribute as follows:
<cfajaximport params="#{googlemapkey='Map API Key'}#">
Using Application.cfc as follows:
<cfset this.googlemapkey="Map API Key">
- Using the Settings page in the ColdFusion Administrator. Specify the map API key in the Google Map Key field. You can also specify the map API key in runtime.cfc
Category
Syntax
<cfmap centeraddress="address" centerlatitude="latitude in degrees" centerlongitude="longitude in degrees" collapsible="true|false" continuouszoom="true|false" doubleclickzoom="true|false" height="integer" hideborder="true|false" initshow="true|false" markerbind="bind expression" markercolor="marker color" markericon="icon path " markerwindowcontent="content" name="name" onerror="JavaScript function name" onload="JavaScript function name" overview="true|false" scrollwheelzoom="true|false" showallmarkers="true|false" showcentermarker="true|false" showmarkerwinodw="true|false" showscale="true|false" showUser="true|false" tip="center property marker tips" title="string" type="map|satellite|hybrid|earth|terrain" typecontrol="none|basic|advanced" width="integer" zoomcontrol="none|small|large|small3d|large3d" zoomlevel="integer"> </cfmap>
See also
History
ColdFusion 10: Added the attribute showUser}}
ColdFusion 9.0.1: Added the attribute {{initShow.
ColdFusion 9: Added this tag.
Attributes
Attribute |
Req/Opt |
Default |
Description |
---|---|---|---|
centeraddress |
Required if centerlatitude and centerlongitude are not specified |
|
The address of the location, which is set as the center of the map. |
centerlatitude |
Required if centeraddress is not specified |
|
The latitude value for the location, in degrees. This value is set as the center of the map. |
centerlongitude |
Required if centeraddress is not specified |
|
The longitude value for the location, in degrees. This value is set as the center of the map. |
collapsible |
Optional |
false |
Whether to provide a collapsible property for the surrounding panel:
|
continuouszoom |
Optional |
true |
Whether to provide zoom control that enables smooth zooming for the map:
|
doubleclickzoom |
Optional |
true |
Whether to enable double-click zoom:
|
height |
Optional |
400 pixels |
Height of the map, in pixels. |
hideborder |
Optional |
true |
Whether to hide border for surrounding panel:
|
initshow |
Optional |
true |
Use to show/hide a map when the page loads. |
markerbind |
Optional |
|
A bind expression to dynamically populate data in the window that is opened when you click the marker icon. The bind expression can specify a CFC function, a JavaScript function, or a URL. |
markercolor |
Optional |
|
The color of the marker specified as a hexadecimal value. By default, the centermarker is green in color. |
markericon |
Optional |
|
Location of an image file to use as the marker icon. The attributes markericon and markercolor are mutually exclusive. |
markerwindowcontent |
Optional |
|
Static content displayed in the marker window. This attribute is mutually exclusive with the markerbind attribute. |
name |
Required |
|
Name of the map. |
onerror |
Optional |
|
The JavaScript function to run when there is a Google map API error. The JavaScript function is passed with two parameters, Google map status code and error message. |
onload |
Optional |
|
Custom JavaScript function that runs after the map loads, for instance, registering an event. |
overview |
Optional |
false |
Whether to add an Overview panel to the map:
|
showmarkerwindow
|
Optional |
false |
If set to true, displays the marker window. If the attribute markerbind is used, unless you set this attribute to true, the marker window is not displayed. |
showUser
|
Optional |
false |
If set to true, on HTML-compliant browsers, user location is shown on the map. |
scrollwheelzoom |
Optional |
true |
Whether to enable mouse wheel zooming control:
|
showallmarkers |
Optional |
true |
Whether to display all markers added to the map:
|
showcentermarker |
Optional |
true |
Whether to display the marker icon that identifies the map center:
|
showscale |
Optional |
false |
Whether to show scale control:
|
tip |
Optional |
|
A short description of the center location that appears as a tool tip. |
title |
Optional |
|
Title of the panel. |
type |
Optional |
map |
Type of the Google map:
|
typecontrol |
Optional |
basic |
Whether to provide a type control that lets you switch the map:
|
width |
Optional |
400 pixels |
Map width, in pixels. |
zoomcontrol |
Optional |
small |
Whether to enable zoom control:
|
zoomlevel |
Optional |
3 |
Specifies the starting zoom value. |
Usage
This tag can be used to create a map within an HTML page, a div tag, or in a new window. If you use this tag in a new window, you must use the cfmap tag within the cfwindow tag.
The {{zoomcontrol}}attribute lets you change the size of the embedded map. You can increase the zoom value to get a close-up view of the map. Or, decrease the zoom value to view a larger area of the map at a reduced size. Each time you change the zoom value, the entire map does not refresh, but only those portions of the map that change, making the display of data fast.
The cfmap tag supports the map display in five formats - map, satellite, terrain, earth, and hybrid. The map format displays a standard road map image. The satellite format displays a satellite image of the map. The hybrid format displays a combination of the roadmap and the satellite image of the map, with important street names and places marked on the satellite image.
The following attributes do not work if type="earth": Zoomlevel, showScale, overview, tip, zoomControl, showCenterMarker, and showAllMarkers.
For cfmap tag to work on Safari 3.x and Google Chrome, specify the HTML head tag (<head></head>).
Examples
<h3>cfmap Example using latitude and longitude attributes</h3> <cfmap name="gmap01" centerlatitude="71.094224" centerlongitude="42.339641" doubleclickzoom="true" overview="true" scrollwheelzoom="true" showscale="true" tip="My Map" zoomlevel="4"/>
<h3>cfmap Example using center address</h3> <cfmap name="gmap02" centeraddress="345 Park Avenue, san jose, CA 95110-2704, USA" doubleclickzoom="true" scrollwheelzoom="true" showscale="false" tip="My Map"/>