[udig-users] the problem of drawing or redrawing map of udig

[hbypf@xxxxxxxxxxxx]

Hi,people!
     I'm a new user in using udig.I'm using version1.1.1 of udig.I found a problem when I operate a map consisting of three layers including a vector layer and a raster layer.The problem is the map flashes very quickly when dragging or moving it,and the map redarws very slowly.I have checked the configuration of my pc,it works well with 2-core cpu and 128M display card.
     But why ? Is it possible that udig have a bug of redrawing map?Plesase send me some advice ,thinks a lot!
     By the way ,who can tell me the principle or process of the map drawing of the uDig?And what are the components of drawing map?How these components constitute?Thanks a lot!

    hbypf

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