[Qgis-developer] more advanced editing tools

[Bernhard Ströbl]

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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>>>>
>>> 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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