Re: [udig-devel] Map Rotation

[andrea antonello <andrea.antonello@xxxxxxxxx>]

> He is also know as Andrea Antonello (and is available on this list) - he was just travelling for a bit and missed out
> on the map rotation discussion.

Indeed I did, thanks for pinging me. :)

[...]
>>> Also note that moovida knows how to add more options to the viewport model
>>> (he has added "time" and "elevation" ... so adding a rotation is
>>> possible).

Yep, to do so you have to change the EMF model to add the needed field
for the rotation to the viewport. Last time I did so I broke something
in the crs :) So I would prefer having Jesse to teach you how to do
that.

Andrea



>>>
>>> Jody
>>>
>>> On 08/04/2010, at 3:05 PM, Trupti Pol wrote:
>>>
>>>>
>>>> Hi Jesse,
>>>>
>>>> Thanks for the reply.
>>>>
>>>> According to your suggestion  i rotated the graphics in renderer
>>>> (BasicFeatureRenderer).
>>>> Also taken care of pixelToWorld() and worldToPixel() methods.
>>>>
>>>> Thus now i am able to rotate the map.
>>>> But the problem is of bounds. I am unable to set the bounds for the
>>>> viewport.
>>>>
>>>> Thus i can see the rotated image on the viewport but as i pan towards the
>>>> edges of the viewport the some part of the map is cutting down. I think
>>>> this
>>>> is only because of the invalid bounds.
>>>>
>>>> Please give me some idea about how to set the rotated image bounds to
>>>> viewport bounds ?
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> Jesse Eichar-4 wrote:
>>>>>
>>>>> I think it depends on how you want the functionality to work.  There are
>>>>> map
>>>>> transformation commands that you can send to the map that can rotate the
>>>>> map.  I think that perhaps the transformation is reset after a pan or
>>>>> zoom
>>>>> though, I cannot remember that anymore for certain.
>>>>>
>>>>> The main component for displaying the map is the ViewportPane.  But that
>>>>> is
>>>>> only for the main screen not for printing and overviews.  You can use
>>>>> draw
>>>>> commands to rotate the viewport pane if you like.  But if you want to
>>>>> make
>>>>> the rotation at a deeper level like at the renderer level then it is
>>>>> slightly more difficult.  I think each renderer handles translation from
>>>>> world to map coordinates individually. For example WMSRenderer lets the
>>>>> WMS
>>>>> handle it and the BasicFeatureRenderer uses
>>>>> ViewportModel.getAffineTransform.
>>>>>
>>>>> So each of these would probably need to be modified.  The good news is
>>>>> that
>>>>> the modification would be minor for each.
>>>>>
>>>>> Each renderer has a render(Graphic2D g) method.  You could modify each
>>>>> so
>>>>> set a transform on the graphics 2d.
>>>>>
>>>>> Jesse
>>>>>
>>>>> On Mon, Mar 29, 2010 at 7:38 AM, Trupti Pol <ktrup7@xxxxxxxxx> wrote:
>>>>>
>>>>>>
>>>>>> Hi ,
>>>>>>
>>>>>> We need to rotate map in one of product which uses udig - M7 as the
>>>>>> target
>>>>>> Platform
>>>>>> I have alreay gone thru the previous post dtd somewhere in 2008.
>>>>>> I just wanted to know is there any provision in udig M7 currently to
>>>>>> rotate
>>>>>> the Map.
>>>>>>
>>>>>> What will the amount of efforts required?
>>>>>> Will it be difficult one or not possible at all?
>>>>>>
>>>>>> I would also like to know the areas which will have direct impact of
>>>>>> this
>>>>>> functionality.
>>>>>>
>>>>>> Looking for some positive response.
>>>>>> Thanks in advance.
>>>>>>
>>>>>> Trupti Pol.
>>>>>>
>>>>>> -----
>>>>>> Thanks & Regards,
>>>>>> Trupti Pol
>>>>>> --
>>>>>> View this message in context:
>>>>>> http://old.nabble.com/Map-Rotation-tp28064993p28064993.html
>>>>>> Sent from the udig-devel mailing list archive at Nabble.com.
>>>>>>
>>>>>> _______________________________________________
>>>>>> User-friendly Desktop Internet GIS (uDig)
>>>>>> http://udig.refractions.net
>>>>>> http://lists.refractions.net/mailman/listinfo/udig-devel
>>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> User-friendly Desktop Internet GIS (uDig)
>>>>> http://udig.refractions.net
>>>>> http://lists.refractions.net/mailman/listinfo/udig-devel
>>>>>
>>>>>
>>>>
>>>>
>>>> -----
>>>> Thanks & Regards,
>>>> Trupti Pol
>>>> --
>>>> View this message in context:
>>>> http://old.nabble.com/Map-Rotation-tp28064993p28174161.html
>>>> Sent from the udig-devel mailing list archive at Nabble.com.
>>>>
>>>> _______________________________________________
>>>> User-friendly Desktop Internet GIS (uDig)
>>>> http://udig.refractions.net
>>>> http://lists.refractions.net/mailman/listinfo/udig-devel
>>>
>>> _______________________________________________
>>> User-friendly Desktop Internet GIS (uDig)
>>> http://udig.refractions.net
>>> http://lists.refractions.net/mailman/listinfo/udig-devel
>>>
>>>
>>
>>
>> -----
>> Thanks & Regards,
>> Trupti Pol
>> --
>> View this message in context: http://old.nabble.com/Map-Rotation-tp28064993p28187656.html
>> Sent from the udig-devel mailing list archive at Nabble.com.
>>
>> _______________________________________________
>> User-friendly Desktop Internet GIS (uDig)
>> http://udig.refractions.net
>> http://lists.refractions.net/mailman/listinfo/udig-devel
>
>