[mapguide-users] layerdefinitionfactory with .NET

[padmini godavarthi]

Hi,
Thanks for u r reply.But i didnt find PointRuleType anywhere?
1) where can i find this?
2) And how to apply properties to the layer?
3) can u send me the code. 
so that it will be very helpful.



Thanks and Regards,
Padmini



Kenneth Skovhede, GEOGRAF A/S wrote:
> 
> I don't know where or what the LayerDefinitionFactory is, but to add 
> thematic rules
> you simply add a "PointRuleType", "LineRuleType" or "AreaRuleType" to the
> "PointTypeStyleType", "LineTypeStyleType" or "AreaTypeStyleType" 
> collection of the
> desired scalerange.
> 
> eg:
> PointRuleType prt = new PointRuleType();
> prt.Filter = "\"ID\" > 100";
> //TODO: Set style and other properties
> 
> LayerDefinition ldef; //<-- Assign this
> VectorLayerDefintionType vldef = ldef.Item as VectorLayerDefinitionType;
> //If you have more than just points, you must itterate the "Items" to 
> find the right one
> PointTypeStyleType pst = vldef.VectorScaleRange[0].Items[0] as 
> PointTypeStyleType;
> pst.PointRule.Add(prt);
> 
> Regards, Kenneth Skovhede, GEOGRAF A/S
> 
> 
> 
> padmini godavarthi skrev:
>> Hi,
>> i want to do thematic mapping in .net .for that i suppose to use
>> LayerDefinitionFctory .
>> how to use it in .net?
>>
>> can u send me the code in .net
>>
>>
>> Thanks and Regards,
>> Padmini
>>
>>
>> m.karam wrote:
>>   
>>> Hi,
>>>
>>> Many thanks for you Jackie
>>> it works good
>>>
>>> Regards
>>>
>>> Karam
>>>
>>>
>>> Jackie Ng wrote:
>>>     
>>>> Hi there,
>>>>
>>>> There is no .NET equivalent to LayerDefintionFactory. You'll have to
>>>> port
>>>> it over to .net.
>>>>
>>>> layerdefinitionfactory.php simply takes a bunch of xml templates in the
>>>> "viewerfiles" directory of your web extensions install folder and fills
>>>> in the blanks with the parameters you provide.
>>>>
>>>> example of CreateAreaRule() in .net:
>>>>
>>>> class LayerDefinitionFactory
>>>> {
>>>>     ...
>>>>
>>>>     public static string CreateAreaRule(string legendLabel, string
>>>> filterText, string foreGroudColor)
>>>>     {
>>>>         StreamReader reader = new
>>>> StreamReader("path/to/arearule.templ");
>>>>         string areaRuleXml = reader.ReadToEnd();
>>>>         string [] values = new string[] { legendLabel, filterText,
>>>> foreGroundColor };
>>>>         areaRuleXml = Substitute(areaRuleXml, values);
>>>>         return areaRuleXml;
>>>>     }
>>>>     
>>>>     ...
>>>>     
>>>>     static String Substitute(String templ, String[] vals)
>>>>     {
>>>>         StringBuilder res = new StringBuilder();
>>>>         int index = 0, val = 0;
>>>>         bool found;
>>>>         do
>>>>         {
>>>>             found = false;
>>>>             int i = templ.IndexOf('%', index);
>>>>             if(i != -1)
>>>>             {
>>>>                 found = true;
>>>>                 res.Append(templ.Substring(index, i - index));
>>>>                 if(i < templ.Length - 1)
>>>>                 {
>>>>                     if(templ[i+1] == '%')
>>>>                         res.Append('%');
>>>>                     else if(templ[i+1] == 's')
>>>>                         res.Append(vals[val ++]);
>>>>                     else
>>>>                         res.Append('@');    //add a character illegal
>>>> in
>>>> jscript so we know the template was incorrect
>>>>                     index = i + 2;
>>>>                 }
>>>>             }
>>>>         } while(found);
>>>>         res.Append(templ.Substring(index));
>>>>         return res.ToString();
>>>>     }
>>>> }
>>>>
>>>>
>>>> Other CreateXXX functions are variations on the above example.
>>>>
>>>> Regards,
>>>>
>>>> - Jackie
>>>>
>>>>
>>>> m.karam wrote:
>>>>       
>>>>> Hi everybody
>>>>>
>>>>> How can I use the (layerdefinitionfactory.php) API functions witn .NET
>>>>> ?
>>>>>
>>>>> thanks
>>>>>
>>>>> Karam
>>>>>
>>>>>         
>>>>       
>>>     
>>
>>   
> 
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