> > I am not going to use SQLserver spaital . I am using normal SQLserver 2005. > If am not wrong, I am going to store only coardiantes in the > database(Longitude and lattitudes) and I will fetch the coardinate when > ever I required and draw it on to the map, It is just an extra layer- If it > is not possible then I will try to use spaital. >
It is more a question of if we can choose something uDig supports (and udig tends to support spatial things like oracle-spatial, db2 and postgis). Or if you are going to handle working with the databsae yourself (using jdbc calls). Sounds like you are using jdbc calls which is fine. > > I am not going to create thousands of gates(mostly around 90) > Sounds fine. > > I will finish the basic things first, I created a plugin for distance tool > (examle in tutorial), It does the distance calculation and showing the > values in to the bar, But I can not see any line while drawing (Is this > is the result of this class?). > Have a look in the uDig source code at the distance tool included with the application; it is a bit more complete then the tutorial example (and includes visual feedback in terms of a line). The class in svn is here: - http://svn.refractions.net/udig/udig/trunk/plugins/net.refractions.udig.tool.info/src/net/refractions/udig/tool/info/DistanceTool.java > Lets come to MapGraphic and Coordinate classes(Main things) > What does coordinate class does, it has got 3 methods > mocusepressed,1,2,3,Mouse released. > MapGraphic class has got the methods like draw1,draw2... > You are correct; the different draw methods are slightly improved on each other: - draw just draws the dots on the screen (in the position the user clicked) (so as you pan around the dots stay in the same position on the window) - draw2 draws the dots as lat/lon DefaultGeoGraphicCRS.WGS84 coordintes (so as you pan around the dots say on the map). > > I tried to make use of this classes that means I just added a plugin using > this classes > I am able to place the points on block board, but I couldn't draw the lines > ( I have to try again) > You are making progress :-) > > how i can make use of this classes? especially MapGraphic.. > Implement your own draw method (that draws a shape rather than a line). > > Plese let me complete the basic things with your help.. > Cheers, Jody
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