Stefan wrote:

"At least someone needs to check."

I just checked the measure tool. It does appear that distances
measured on the grid are slightly off when I don't have the mouse
cursor exactly over the grid interesection, even with the grid snap
option enabled.

I'll file a bug report and see if Larry has a patch for us.

Did we decide to leave in the patch that came from Matthias?

The Sunburned Surveyor

On Tue, Jul 20, 2010 at 5:09 PM, Stefan Steiniger <sst...@geo.uzh.ch> wrote:
> yes.. for bug report.
> I sometimes had the same feeling - i.e. that it doesn't snap. $
>
> At least someone needs to check.
>
> Sunburned Surveyor schrieb:
>> Thanks for the feedback Jukka. I definitely need to look into the
>> problem you report about the measure tool not taking the current snap
>> settings into account.
>>
>> This sounds like a bug to me. What do you guys think? Should we file a
>> bug report?
>>
>> The Sunburned Surveyor
>>
>> On Sat, Jul 17, 2010 at 2:47 AM, Rahkonen Jukka
>> <jukka.rahko...@mmmtike.fi> wrote:
>>> Hi,
>>>
>>> I do not consider our measurement tools especially good at the moment, and 
>>> the close-polygon change did not make it much better, if any. I know that 
>>> there are different needs, but for what I am using length/area measurement 
>>> tool I would like to have these features
>>>
>>> - Length measurement tool should show the total length and the length of 
>>> the last leg, both in real time.
>>> - Area measurement tool should show the area and the perimeter of the 
>>> measured area in real time. Length of the last leg would be a good addition.
>>>
>>> OJ measurement tool cannot show the length of the last leg, nor the 
>>> perimeter of an area. It does show nice the angle of the last leg but this 
>>> far I have not had any use for this feature.
>>>
>>> I also notised that the measurement tool gives faulty results if snapping 
>>> to features is enabled.  The measument tool is obviously using the mouse 
>>> coordinates for calculations, but it does not update the coordinates if 
>>> vertex gets snapped to something after mouse click.  This is easy to 
>>> demonstrate by showing the grid and activating the "Snap to grid" option 
>>> and then measuring areas of some rectangular areas.
>>>
>>> I have been thinking that as an alternative for the ad-hoc measurement tool 
>>> there could perhaps be another measurement tool would create automatically 
>>> a special measurement layer somehow in a similar way than the note tool 
>>> creates the "Notes" layer now.  This way it could be possible to measure 
>>> net areas and total perimeters of polygons with holes, measure several 
>>> features, edit the measurements, show the results on screen as labels or 
>>> under the tooltip etc.
>>>
>>>
>>> -Jukka Rahkonen-
>>>
>>> Matthias Scholz wrote:
>>>
>>>> Hi Stefan,
>>>> I agree you from your point of view (measure of lines), but my point of
>>> view was for measure of areas. So i think the measurement tool should be
>>> extended in the future. If I compare the OJ measure tool with other GIS,
>>> then I see some mistakes and possibilities to improve OJ.
>>>
>>>> Matthias
>>>>> mhm.. don't know after testing (It's still committed) - but now people
>>>> who want to measure line distance may be confused?
>>>>> any opinions by others?
>>>>>
>>>>> stefan
>>>>>
>>>>> Stefan Steiniger wrote:
>>>>>> Hei,
>>>>>> what would be the effect for you (area calculations?)? Will everything
>>>>> else still work?
>>>>>
>>>>>> However, I committed it.
>>>>>
>>>>>> Matthias Scholz wrote:
>>>>>>> Hi,
>>>>>>> is it possible, that anyone of the commiters can make the following
>>>>>> little change in
>>>>>> com.vividsolutions.jump.workbench.ui.cursortool.MeasureTool?
>>>>>> Add "setCloseRing(true);" to the Constructor, so that the user see the
>>>>>> closed polygon. Currently, some users of mine a little confused.
>>>>>>
>>>>>> Thank You
>>>>>>
>>>>>> Matthias
>>>>>>
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