[mapguide-users] Problems adding polygon to temporary layer

[nikp]

ok, code attached. The main method I use is 'createTempParcels'. The object
ParcelProperty is merely a class that holds property values pertaining to
aspects of a Parcel.



Paul Spencer-5 wrote:
> 
> Perhaps you could post your code so we can take a look?
> 
> Paul
> 
> On 10-Sep-07, at 5:54 AM, nikp wrote:
> 
>>
>> I know the map is visible on the map (Well, at least it was set to  
>> visible
>> programmatically!). I also know the layer IS being added to the  
>> map, as it
>> shows up in the TOC list on the left of the map. I have also tried  
>> turning
>> all the other layers off (making them invisible) to see if it were  
>> the issue
>> of them being below other layers, and the polygons still didn't  
>> show up.
>>
>> So, I guess that the issue is either 1. or 3.
>>
>>
>> Kenneth, GEOGRAF A/S wrote:
>>>
>>> There are a copule of common reasons for that:
>>> 1. The layer in the map is not referencing the temporary  
>>> featuresource,
>>> but the permanent
>>> 2. The layer is not visible in the map
>>> 3. The layer is out of scale range
>>> 4. The layer is below another visible layer
>>>
>>> My guess is that you have hit #1.
>>> When you create the temporary resource, you must also create a  
>>> copy of
>>> the layer,
>>> and update the layers featuresource to point at the temporary
>>> featuresource.
>>>
>>> So, steps are:
>>> 1. Get layerdefinition
>>> 2. Update the resourceid of the featuresource to match the temporary
>>> featuresource
>>> 3. Save the updated layer definition
>>> 4. Change the runtime map to use the newly created temporary layer
>>> resource.
>>>
>>> Hope that helps.
>>>
>>> Regards, Kenneth, GEOGRAF A/S
>>>
>>>
>>>
>>> nikp skrev:
>>>> Hi all, first post and new time user to Mapguide, so go gently  
>>>> please!
>>>>
>>>> Basically, my goal is to digitize a polygon and once complete I  
>>>> want to
>>>> display the digitized polygon on the map. The problem being this  
>>>> needs to
>>>> be
>>>> on a per user, per polygon basis. (In other words, each user  
>>>> using the
>>>> system should only see their polygon they have just created).
>>>>
>>>> My thought to complete this task was to create a temporary layer  
>>>> and add
>>>> the
>>>> polygon to that layer. The code I have used originated from a  
>>>> MapGuide
>>>> course that I went on. The problem is that the code appears to  
>>>> work in
>>>> that
>>>> there are no exceptions thrown, but the polygon is not displayed  
>>>> on the
>>>> map.
>>>> If I change the code so that the polygon is added to a permanent  
>>>> layer
>>>> the
>>>> polygon is added and displayed correctly.
>>>>
>>>> What am I doing wrong?
>>>>
>>>> (I can add my code if people need to see what I'm doing)
>>>>
>>>> (Software I'm using is MapGuide open source ver. 1.2, and visual  
>>>> studio
>>>> 2005
>>>> and C#/.NET platform version 2.0)
>>>>
>>> _______________________________________________
>>> mapguide-users mailing list
>>> mapguide-users at lists.osgeo.org
>>> http://lists.osgeo.org/mailman/listinfo/mapguide-users
>>>
>>>
>>
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> 
> +-----------------------------------------------------------------+
> |Paul Spencer                          pspencer at dmsolutions.ca    |
> +-----------------------------------------------------------------+
> |Chief Technology Officer                                         |
> |DM Solutions Group Inc                http://www.dmsolutions.ca/ |
> +-----------------------------------------------------------------+
> 
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http://www.nabble.com/file/p12590306/UtilityClass.cs UtilityClass.cs 
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