[Qgis-developer] more advanced editing tools

[Angelos Tzotsos]

Hi,

Yes it is a real dilemma.
I would like to hear more opinions on this...

Angelos

On 11/30/2012 11:23 AM, Bernhard Ströbl wrote:
> Hi Angelos,
>
> I agree that some 2 to 5 tools should go into cadTools. What we have 
> until now:
> - parallel move of polygon side (IMHO CAD-like function)
> - split feature with selected feature from another theme (general 
> digitizing function)
> - cut out from feature with selected polygon from another theme 
> (general digitizing function)
> - continue editing an exisitng line (general digitizing function)
> - save all layers being in editing mode in one go (general digitizing 
> function)
> - fill hole(s) in polygon feature (general digitizing function)
> - fill spaces between polygons (general digitizing function)
> - avoid intersection when copying/pasting polygons (reported bug)
> - split lines with points (IMHO fTools)
> - prolong a line, i.e. move its endpoint in the direction of the last 
> segment (CAD-like function)
>
> from a users point of view it would be nice to have everything related 
> to digitizing in one plugin on the other hand users probably do not 
> expect the functions I marked as "general digitizing" in a plugin 
> called cadTools.
>
> Bernhard
>
>
> Am 29.11.2012 19:48, schrieb Angelos Tzotsos:
>> Hi Bernhard,
>>
>> I agree that some editing ideas are not strictly CAD but we have to
>> think the end user and where the tools are expected to be found more
>> easily. Also the number of new tools are important. For 2-5 new tools,
>> extending cadTools would be more appropriate than a new plugin.
>>
>> Angelos
>>
>> On 11/29/2012 06:36 PM, Bernhard Ströbl wrote:
>>> Angelos,
>>>
>>> would you see this functionality rather in cadTools or in a new plugin?
>>>
>>> Bernhard
>>>
>>> Am 29.11.2012 17:28, schrieb Angelos Tzotsos:
>>>> On 11/29/2012 02:35 PM, Bernhard Ströbl wrote:
>>>>> Dear list,
>>>>>
>>>>> during a course I realized that my institution needs some more 
>>>>> editing
>>>>> tools for advanced editing tasks e.g.
>>>>> - prolong a line
>>>>> - cut polygon with feature (line or polygon) from another layer
>>>>> - save all layers being in editing mode in one go
>>>>> - some more
>>>>>
>>>>> A little background: when digitizing data we are not starting from
>>>>> scratch but are digitzing on existing data in many different layers
>>>>> (parcels, restricted areas ...). A new polygon normally needs to fit
>>>>> into these existing boundaries. Trying to digitize along existing
>>>>> boundaries of several layers and snapping to them is cumbersome and
>>>>> you are very likely missing snapping nodes (even when using trace
>>>>> digitize plugin).
>>>>>
>>>>> Is any of you aware of similar functions in a plugin (I know
>>>>> cadTools)? Is anyone interested in joining me to create such tools as
>>>>> a Python plugin? Which functions would you like to have?
>>>>>
>>>>> regards
>>>>>
>>>>> Bernhard
>>>>>
>>>>>
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>>>>>
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>>>>>
>>>> Hi Bernhard,
>>>>
>>>> Excellent timing, I was thinking about creating a new functionality 
>>>> that
>>>> I need for a parcel digitization project.
>>>> One tool I have in mind is parallel moving of a side of a polygon in
>>>> order to achieve a specific area for the polygon (and at the same time
>>>> maintain topological integrity with near polygons.
>>>>
>>>> Cheers,
>>>> Angelos
>>>>
>>>
>>>
>>
>
>
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-- 
Angelos Tzotsos
Remote Sensing Laboratory
National Technical University of Athens
http://users.ntua.gr/tzotsos