[Qgis-developer] Measure tool persistence.

[G. Garibaldi]

Ah, this is useful. Let me mess around with this.

Somebody has been busy since I last checked two years ago.

On 10/20/2014 10:07 AM, Matthias Kuhn wrote:
> Hi,
>
> It is very likely that better CAD functionality will hit QGIS soon. An
> approach based on the CadInput plugin [1] is being discussed [2] and
> parted to core [3]. Maybe this does already provide a lot of what you need?
>
> Best regards,
> Matthias
>
> [1] http://vimeo.com/85052231
> [2]
> https://github.com/3nids/QGIS-Enhancement-Proposals/blob/cadtools/QEP-CAD-tools.rst
> [3] https://github.com/qgis/QGIS/pull/1624
>
> On 20.10.2014 16:56, G. Garibaldi wrote:
>> Bug report #9703
>>
>> The line thickness is good. The endpoints could be improved.
>> Crossmarks would be better than dots. If dot endpoints are easiest to
>> program, then put a smaller white dot in the middle of the larger red
>> dot. This will help measurement accuracy. The most desirable quality
>> of the tool would be for the markers remain on screen until cleared by
>> the user. This includes remaining on screen while other commands are
>> selected and new data entered. This onscreen persistence should also
>> be applied to the angle measure tool.
>>
>> With robust CAD tools this would not be an issue because the operator
>> can quickly draw temporary measure lines on screen and erase them at
>> his leisure. With QGIS the CAD tool functionality is clumsy and
>> inefficient. Data point creation with other systems is fast and well
>> developed. Most CAD systems allow inputting a data point, then drawing
>> the next point using a relative angle and distance at the keyboard or
>> visually with onscreen angle and distance display controlled by snap
>> settings. Perhaps what I'm really asking for is better CAD tool
>> functionality.
>>
>> I have many *thousands* of points to calculate and enter by hand.
>> Months worth of work. If I were a programmer perhaps this would not be
>> necessary. Unfortunately I don't think I have the time to spend a
>> month or two getting up to speed programming in the QGIS environment,
>> not that I would not like to. I just spent 7 months learning a foreign
>> language to translate documents for my project. When the functionality
>> of the measure tool changed after QGIS 2.1(1.8, 2.1 something like
>> that), and the measure tool lost its persistence I despaired.
>>
>> I am pressing for this functionality because I need to finish my
>> project and put food on the table.
>>
>> Anyway, this is my project, analyzing ships navigation data:
>>
>> https://www.youtube.com/watch?v=xCWZzqHc8ow
>>
>> In this project QGIS is merely a tool to develop a better
>> understanding of historical events. What will really be significant is
>> when QGIS goes 3D and I am able to visualize aircraft and ships data
>> simultaneously in an animation using the animation plug-in.
>>
>> On 10/19/2014 4:48 PM, Tim Sutton wrote:
>>> Hi
>>>
>>> On Sun, Oct 19, 2014 at 9:51 PM, G. Garibaldi <digitalmaps at cox.net
>>> <mailto:digitalmaps at cox.net>> wrote:
>>>
>>>      The measure tool onscreen markers are not persistent and are
>>>      therefore not useful. Why have tools that have no useful
>>>      function? I've complained about this before, filed a ticket and
>>>      was argued down by a developer.
>>>
>>>      It is frustrating to try to contribute to a project when nobody
>>>      wants to cooperate.
>>>
>>>
>>>
>>> I don't think it is fair to characterise QGIS as a project where
>>> nobody wants to cooperate. People are busy, may have differing
>>> opinions to you, may not have noticed your ticket etc. We are a
>>> community of people trying our best to cooperate and sometimes we
>>> fail, but it certainly isn't through a lack of desire to cooperate.
>>> My advice is keep trying (in a friendly way) to get your request
>>> noticed, and if others don't always agree with your ideas, don't take
>>> it personally.
>>>
>>> Regards
>>>
>>> Tim
>>>
>>>   
>>>
>>>
>>>
>>>
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>>>
>>>
>>>
>>>
>>> -- 
>>> ------------------------------------------------------------------------------------------
>>> Tim Sutton
>>> Visit http://kartoza.com <http://kartoza.com/> to find out about open
>>> source:
>>>   * Desktop GIS programming services
>>>   * Geospatial web development
>>> * GIS Training
>>> * Consulting Services
>>> Skype: timlinux Irc: timlinux on #qgis at freenode.net
>>> <http://freenode.net/>
>>> Tim is a member of the QGIS Project Steering Committee
>>> -------------------------------------------------------------------------------------------
>>> Kartoza is a merger between Linfiniti and Afrispatial
>>
>>
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