OK - just in case you can't update to 2007 I've made the workspace compatible with 2006GB. The updated version is again available from... http://www.fmepedia.com/index.php/Sandbox
Mark --- In [email protected], Jeka J <[EMAIL PROTECTED]> wrote: > > Hi Mark, > > thanks for your help but it seems that in the example you used FME2007 witch we still didn't receive :( > so I can't visualise the workflow > > Thanks > > mark2atsafe <[EMAIL PROTECTED]> wrote: > Sorry - the not so deliberate mistake was in the Aggregator. It should > be... > > Use the Aggregator to aggregate the POINT features. In the settings set: > Group-By = ID > Attribute to Average = _z > > Hope this helps. I'm just making a quick example and will post it to > fmepedia... see: http://www.fmepedia.com/index.php/Sandbox in a few > minutes time. > > Mark > > --- In [email protected], Jeka J <jeka.trud@> wrote: > > > > Hi Mark > > > > Thank you for you message > > Regarding my second question, I'm not sure what the > CoordinateFetcher is doing in the process, I'm not sure where to put > it? Since I need to put the average elevation back to the points > should I connect Point or Area output from PointOnArea to Aggregator? > And last (but not least J) I'm not sure how to include > FeatureMergerÂ…who is requestor and who supplier? > > Overall, could you send me an example workspace it would be of > great help. And in the end of the process I need to put the average > elevation back to the points witch are inside the polygons. > > > > Thank you VERY much for your help > > > > > > mark2atsafe <mark.ireland@> wrote: Hi, > > In answer to your questions... > > > > --- In [email protected], "jeka.trud" <jeka.trud@> wrote: > > > > > > Hi > > > > > > I have streams that pass through points. I tried to choose the > > > nearest points with POINTONLINEOVERLAY, but did not give me good > > > results. Sometimes it did not choose the points, and they were near > > > and sometimes it choose too many points. I need only nearest point. > > > How can I attach jpeg it would explain more? > > > > You might find the NeighborFinder transformer is the better one to try > > here. PointOnLineOverlay will only find points within a specific > > tolerance; NeighborFinder will find the closest point regardless > > (though you can set a maximum distance tolerance) > > > > > I have another questionÂ….sorry I'm FME novice :( > > > I need to extract the points witch are inside the lake polygons. The > > > points have different elevation (Z coordinate). I need to calculate > > > average elevation inside of every polygon, taken from points and > > > then assign that elevation to points. > > > > There are two transformers that will calculate an average value, and I > > think the Aggregator is the one that will work here. The steps are as > > follows. > > > > 1) I assume your lake polygons have a unique name or ID? If not use a > > Counter to create one. > > 2) Use CoordinateFetcher to get the Z for all point features. > > 3) Use the PointOnAreaOverlayer to copy the lake ID onto the points > > that fall within it. > > 4) Use the Aggregator to aggregate the POINT features. In the settings > > set ID as the attribute to average. This will give you a single > > feature (an aggregate or MultiPoint) containing the average Z value. > > 5) If you need to attach the values back onto the lake polygons then a > > FeatureMerger (again using ID as the join attribute) will do this very > > simply. > > > > Hope this helps. The Aggregator "average" setting is not one you see > > used very often, but which can be quite useful. When we get a group-by > > option on the StatisticsCalculator then it would make this simpler > still. > > > > If you do have problems with the lake Z averager then let me know and > > I'll see if I can create an example workspace. > > > > Regards, > > > > Mark > > > > Mark Ireland, Senior Product Specialist > > Safe Software Inc. Surrey, BC, CANADA > > support@ http://www.safe.com > > Solutions for Spatial Data Translation, Distribution and Access > > > > > > > > > > > > > > --------------------------------- > > Luggage? GPS? Comic books? > > Check out fitting gifts for grads at Yahoo! Search. > > > > > > > > > --------------------------------- > Got a little couch potato? > Check out fun summer activities for kids. > For insights into what's up at Safe Software and what's on the development horizon, visit Safe's blog at spatial-etl.blogspot.com. Love FME? Then open your diary to March 6-7, 2008 and write this... "Second Worldwide FME User Conference - Must Attend!" See http://www.safe.com/company/fmeuc2008/index.php for more details. Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/fme/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/fme/join (Yahoo! ID required) <*> To change settings via email: mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
