There are many programs that can be used such as Ground2k(4), Sbuilder, and Coastline Maker. Here are some basic steps using a program called LWMDraw4. It is fairly quick and easy. You do not need a background bitmap to follow these steps.
1.) Get your FS geo coords.
2.) Convert them to Degrees and Decimal Minutes.
ie: N41* 16' 28.707" = 41* 16.478345'
3.) Start LWMDraw4 and in the General/Location tab, give your Project a name. Enter the converted FS coords and click on the Calculate button to get your LOD 8 and 13 values.
4.) In the LWM/VTP tab, in the VTP section, select Poly, Layer 4, Select the texture to be used on the poly, like "1203" ;Grass Park. Select the type of landclass value, like
"10" ;Irrigated Grassland.
5.) In the Draw Data Points tab, Start in the top left corner, 1,1 and set a point. Move to the lower left corner, 1, 255, and set the next point. Move to the lower right corner, 255,255 for the next point. Move to the top right corner, 255,1 for the last point. No need to move back to the first point, that is automatically taken care of. Now you have defined the polygon. Click on the Create Source button which will save the data to a file called VTPSource.asm. Save your project and exit LWMDraw4.
6.) Open a command prompt and navigate to the LWMDraw4 directory where you should find the VTPSource.asm file. You need to compile the source file to a bgl file using Bglc.exe. The command line would look something like this:
Bglc.exe /bgl VTPSource.asm
If all goes well you should now have a file called VTPSource.bgl. Rename it to something more suitable and place it in your FS200x\ADDON SCENERY\scenery\ directory and check it out in the sim.
Once you get the hang of it you can generate a grid overlay using something like gridgen, which can be seen in FS and take down on screen shots to make your background bitmaps to "fine tune" your work.
http://h1.ripway.com/Firestriker/Hangar/Nantucket_Clear_Before.jpghttp://h1.ripway.com/Firestriker/Hangar/Nantucket_Clear_After.jpgLou
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