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     5       function initPage() {}
       
     6     </script><link href="../PRODUCT_PLUGIN/book.css" rel="stylesheet" type="text/css"/><link href="css/s60/style.css" rel="stylesheet" type="text/css" media="all"/></head><body onload="initPage();"><div class="body"><div class="contentLeft prTxt"><h1 class="pageHeading" id="GUID-DBEE8177-7246-4FEE-A0F1-D6AEEA6EA206"><span>ILocation.</span>Calculate()</h1><div>
       
     7 <p><strong>Description:</strong></p>
       
     8 <p>The <code>Calculate</code> method performs mathematical calculations
       
     9 based on a source location and a target location.</p>
       
    10 <p>This is a synchronous method.</p>
       
    11 <p><strong>Syntax:</strong></p>
       
    12 <pre class="codeblock" id="GUID-627D156A-C30C-4F1D-9FA0-617791185B38">result = so.ILocation.Calculate(criteria);</pre>
       
    13 
       
    14 <p><strong>Arguments:</strong></p>
       
    15 <ul>
       
    16 <li><p><code>criteria</code>:</p>
       
    17 
       
    18 <p>This is an object that specifies the mathematical operation to perform
       
    19 and the input values to use in the operation. For more information about the
       
    20 object properties and how to define them, see section <a href="GUID-9115340A-5D15-4139-A236-945D199583AF.html#GUID-9115340A-5D15-4139-A236-945D199583AF">Calculation criteria</a>.</p>
       
    21 
       
    22 </li>
       
    23 </ul>
       
    24 <p><strong>Return value:</strong></p>
       
    25 <p>The <code>Calculate</code> method returns an object that contains
       
    26 the calculation results, an error code, and an error message.</p>
       
    27 <div class="tablenoborder"><a name="GUID-8DF5C599-28D0-49B0-BD51-67B0E048A4E6"><!----></a><table cellpadding="4" cellspacing="0" summary="" id="GUID-8DF5C599-28D0-49B0-BD51-67B0E048A4E6" frame="border" border="1" rules="all"><caption><strong>Table: </strong>Return value
       
    28 properties for Calculate</caption>
       
    29 <thead align="left">
       
    30 <tr class="title "><th class="cellrowborder" valign="top" width="33.33333333333333%" id="d0e48873">
       
    31 <p>Property</p>
       
    32 </th><th class="cellrowborder" valign="top" width="33.33333333333333%" id="d0e48878">
       
    33 <p>Description</p>
       
    34 </th><th class="cellrowborder" valign="top" width="33.33333333333333%" id="d0e48883">
       
    35 <p>Value</p>
       
    36 </th></tr>
       
    37 </thead>
       
    38 <tbody>
       
    39 <tr class="">
       
    40 <td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e48873 ">
       
    41 <p><code>result.ReturnValue</code></p>
       
    42 </td>
       
    43 <td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e48878 ">
       
    44 <p>This contains the results for the requested mathematical operation.
       
    45 The type of the value depends on the operation.</p>
       
    46 </td>
       
    47 <td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e48883 ">
       
    48 <p>See <a href="GUID-B1BFA47E-DAC0-40B1-898E-B3FCE14AE78F.html#GUID-B1BFA47E-DAC0-40B1-898E-B3FCE14AE78F">Calculation results</a>.</p>
       
    49 </td>
       
    50 </tr>
       
    51 <tr class="bg ">
       
    52 <td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e48873 ">
       
    53 <p><code>result.ErrorCode</code></p>
       
    54 </td>
       
    55 <td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e48878 ">
       
    56 <p>This is a number that specifies a predefined error code.</p>
       
    57 </td>
       
    58 <td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e48883 ">
       
    59 <p>See <a href="GUID-0A215AF3-59F0-4158-842C-0D7B030E5EA4.html#GUID-0A215AF3-59F0-4158-842C-0D7B030E5EA4">Service API error codes</a>.</p>
       
    60 </td>
       
    61 </tr>
       
    62 <tr class="">
       
    63 <td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e48873 ">
       
    64 <p><code>result.ErrorMessage</code></p>
       
    65 </td>
       
    66 <td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e48878 ">
       
    67 <p>This is a text string that describes the error.</p>
       
    68 </td>
       
    69 <td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e48883 ">
       
    70 <p>See <a href="GUID-DEA4164E-5F03-4B57-97B9-4C6238481F89.html#GUID-DEA4164E-5F03-4B57-97B9-4C6238481F89">Location Service API error messages</a>.</p>
       
    71 </td>
       
    72 </tr>
       
    73 </tbody>
       
    74 </table></div>
       
    75 <p><strong>Remarks:</strong></p>
       
    76 <p>The <a href="http://en.wikipedia.org/wiki/World_Geodetic_System" target="_blank">WGS
       
    77 84 datum</a> is used to reference coordinates.</p>
       
    78 <p><strong>Example code:</strong></p>
       
    79 <p/>
       
    80 <p>For the complete source of a sample widget
       
    81 that demonstrates how to use this Service API, see <a href="GUID-620340F8-F844-445E-80AA-71C757320B7E.html#GUID-620340F8-F844-445E-80AA-71C757320B7E">the
       
    82 full example</a>.</p>
       
    83 
       
    84 
       
    85 </div></div></div><div class="footer"><hr/><div class="copy">© Nokia 2009.</div></div></body></html>