Hello Don,
Thanks a lot for giving it a looke over ...
Regards,
Pradeep.
-- On Fri, 7 Sep 2001 16:07:01 Donald Dietrick wrote: >Hi Pradeep, > >Looking into the zooming out issue, I found that the minimum size of the >MapBean was being set to the measurements set in the openmap.properties >file. The ToolPanel also affects whether the screen can be made narrow >enough to create a map dimension ratio that allows all 180 degrees of >latitude to be made visible. I think what you are seeing is normal >behavior given the limitations we've set on the projections. > >As for the issue with getting the scale from the ProjMath object, I see >the problem you're talking about, but I'm not sure what's causing it. >The NavMouseModes use the method, too, and it generally has worked >pretty well, although obviously not in your case. Looks like something >for the bug list. > >- Don > >On Friday, September 7, 2001, at 08:20 AM, PRADEEP RAMACHANDRAN wrote: > >> Hello Don, >> >> Forgot to add this info in the prev mail ... >> >> The changes are preceded by the comment >> //pradeep and occur in the init() and >> updatePerform() methods ... >> >> Thanks, >> Pradeep. >> >> >> >> --------- Forwarded Message --------- >> >> DATE: Fri, 07 Sep 2001 17:35:58 >> From: "PRADEEP RAMACHANDRAN" <arpradeep@lycos.com> >> To: openmap-users@bbn.com >> >> Hello Don, >> >> I had the foll. change in the openmap.properties file for >> mercator: >> openmap.Width=640 >> openmap.Height=640 >> >> This only increased the span to 80/-80 for center 0,0. >> >> Don, when you increased the height did you resize the window >> by pulling the upper edge. The only way I get a 90/-90 in >> other words a complete 180 degrees span for the latitudes if >> I resize the window like that. But that certainly seems that >> users with smaller size monitors would find this an inhibition, >> for the resize buttons and the widgets would be cut off when >> they do that, I have this problem ! >> >> Also, the track on using ProjMath.getScale() is related to >> this. I have attached the source and class files for the DemoLayer.java >> with some changes to illustrate the point. Whats changed there is a set >> of BitMaps are created and put into the GraphicList based on hard coded >> lat/lon values, when a timer >> expires it calls the MAX/MIN of these lat/lon, determines a >> bounding box and then the scale using ProjMath.getScale() and >> then recenters the map. >> >> The behaviour seen is that the latitudes span the box had does >> not match what should appear. >> >> Could you please test this if you can spare a moment. I would >> like to know if I have missed any detail or if there is some >> feature problem or restriction. >> >> Thanks, >> Pradeep. >> >> -- >> >> On Thu, 6 Sep 2001 15:44:16 >> Donald Dietrick wrote: >>> OK, now I'm lost. I'm not sure what the question is, I guess. For me, >>> the mercator projection is stretching 360 degrees across, with the >>> latitude span limited by the height of the window. The CADRG >>> projection >>> doesn't stretch 360 degrees unless the width of the window is big >>> enough, but the latitude span works the same way (depends on the height >>> of the window). >>> >>> - Don >>> >>> >>> >>> On Thursday, September 6, 2001, at 01:04 PM, PRADEEP RAMACHANDRAN >>> wrote: >>> >>>> No Don ... the Mercator isn't working that way , its the >>>> behaviour with Mercator that I was mentioning about when >>>> I try and change the window dimensions to square like ... >>>> >>>> With CADRG the areas covered with a sqaure-like dimension >>>> appear to be lesser ... >>>> >>>> >>>> -- >>>> >>>> On Thu, 6 Sep 2001 11:59:38 >>>> Donald Dietrick wrote: >>>>> Hi Pradeep, >>>>> >>>>> On Thursday, September 6, 2001, at 11:12 AM, PRADEEP RAMACHANDRAN >>>>> wrote: >>>>> >>>>>> Thanks Don, >>>>>> >>>>>> But isn't the Viewer app showing 360 degrees across ? >>>>> >>>>> I would have expected it to, but upon looking into it, the CADRG >>>>> projection min scale is limited to a pixel ratio. I can't remember >>>>> why >>>>> it's written differently than the Mercator projection, but think it >>>>> has >>>>> to do with the CADRG projection being pixel/degree based, and those >>>>> ratios are specified in the RPF specification. It was written to >>>>> support RPF raster charts, so probably wasn't intended to provide a >>>>> whole earth look. >>>>> >>>>>> And by trying to make the window square like it, assumes >>>>>> more of the look CADRG projection for the default height, width >>>>>> for the viewer app, even lesser area appears to be covered ? >>>>> >>>>> But the mercator projection is working as expected, no? >>>>> >>>>> - Don >>>>> >>>>> >>>>> >>>>>> >>>>>> Regards, >>>>>> Pradeep. >>>>>> >>>>>> -- >>>>>> >>>>>> On Thu, 6 Sep 2001 10:40:32 >>>>>> Donald Dietrick wrote: >>>>>>> Hi Predeep, >>>>>>> >>>>>>> The upper/lower bounding that you are seeing may be a result of the >>>>>>> projections limiting the minimum scale to whatever allows only 360 >>>>>>> degrees across the map window. If you make the window more >>>>>>> square-like, >>>>>>> more of the latitudes will appear. >>>>>>> >>>>>>> - Don >>>>>>> >>>>>>> On Wednesday, September 5, 2001, at 09:34 AM, PRADEEP RAMACHANDRAN >>>>>>> wrote: >>>>>>> >>>>>>>> Hello, >>>>>>>> >>>>>>>> The differene between the upper and lower latitudes for >>>>>>>> both Mercator and CADRG projections seem restricted to >>>>>>>> be within a certain range viz., approximately 135 degrees, >>>>>>>> with the min. scale. >>>>>>>> >>>>>>>> To simulate this the map center for the OpenMap viewer >>>>>>>> application was set to 0,0. The upper/lower bounding >>>>>>>> latitudes for the min scale ( 207,476,976 for Mercator and >>>>>>>> 389,940,928 >>>>>>>> for CADRG ) were less than 70/-70 respectively. >>>>>>>> >>>>>>>> Is this the normal behaviour for OpenMap ? >>>>>>>> >>>>>>>> Regards, >>>>>>>> Pradeep. >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> Get 250 color business cards for FREE! >>>>>>>> http://businesscards.lycos.com/vp/fastpath/ >>>>>>>> >>>>>>>> -- >>>>>>>> [To unsubscribe to this list send an email to "majdart@bbn.com" >>>>>>>> with the following text in the BODY of the message "unsubscribe >>>>>>>> openmap-users"] >>>>>>>> >>>>>>> >=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= >Donald F. Dietrick, dietrick@bbn.com >BBN Technologies, 10 Moulton Street, Cambridge, MA 02138 >617.873.3031 FAX 2794 >=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= >>>>>>> >>>>>> >>>>>> >>>>>> Get 250 color business cards for FREE! >>>>>> http://businesscards.lycos.com/vp/fastpath/ >>>>>> >>>>>> -- >>>>>> [To unsubscribe to this list send an email to "majdart@bbn.com" >>>>>> with the following text in the BODY of the message "unsubscribe >>>>>> openmap-users"] >>>>>> >>>>> -- >>>>> [To unsubscribe to this list send an email to "majdart@bbn.com" >>>>> with the following text in the BODY of the message "unsubscribe >>>>> openmap-users"] >>>>> >>>> >>>> >>>> Get 250 color business cards for FREE! >>>> http://businesscards.lycos.com/vp/fastpath/ >>>> >>> >> >> >> Get 250 color business cards for FREE! >> http://businesscards.lycos.com/vp/fastpath/ >> --------- End Forwarded Message --------- >> >> >> >> Get 250 color business cards for FREE! >> http://businesscards.lycos.com/vp/fastpath/ ><Attachment missing> Get 250 color business cards for FREE! http://businesscards.lycos.com/vp/fastpath/ -- [To unsubscribe to this list send an email to "majdart@bbn.com" with the following text in the BODY of the message "unsubscribe openmap-users"]Received on Fri Sep 7 23:23:37 2001
This archive was generated by hypermail 2.1.8 : Thu May 12 2005 - 07:18:31 EDT