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 >>>> > > ------------------------------------------------------------------------------ > This SF.net email is sponsored by Sprint > What will you do first with EVO, the first 4G phone? > Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first > _______________________________________________ > Jump-pilot-devel mailing list > Jump-pilot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > ------------------------------------------------------------------------------ This SF.net email is sponsored by Sprint What will you do first with EVO, the first 4G phone? Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first _______________________________________________ Jump-pilot-devel mailing list Jump-pilot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel