i think it may not be.<br>I don't think i could call named pipe as vector data source. It is more of asynchronous which i can ultimately desire to save as one of the postgis/shape file(i am looking to work on that later since i curently have no idea in this regard.). Also that data from pipe can keep on coming for 18 minuets asynchrnously, so i am treating it as non stop data, also how many thread will push data on pipe are not static.
<br>Iam also no able to intrepret it" So all you need to do is to add this provider to a vector layer and add this layer to the legend". I think it mean simply add it as a vector lyer and to legend. but what about updation of it which may flicker badly if again a layer is refreshed completely.
<br>only some points may get changed.<br><br>Now i am thinking 2 ways of doing it.<br>First: use QgsDataProvider then provide functionality for all the functions.i feel i ned to work out on Spatial refrence system. These Points currently i am intrepreting over map but i want them to come independently of map. SRS i am good at. This concept is very weak of mine. Then Projection WKT, for simple points defining latlong location what i can feed to it. No idea.
<br>Then how to keep updating it, same issue.<br>Second is extension to my current plugin which display points read from fifo on canvas using qgsmapcanvasitem. Then i am thinking of generating a grid kinda view with each row for each element updating them continuously for location . What i also looking for is if i click on any item on canvas it should get highletd with correspondent or vice
versa.i need to capture click event of canvas but i need to work out here how to capture click( which i think cnavas provides) and associate it to one of the object.<br><br>I need help on above issue. I think ihave cleared well what i am thinking of doing. Any suggestion or guidance is open heartidily welcome.
<br><br>regards<br>quick nitin