I recently constructed a road using various different sections of iClone Content Road props.
If you're only using one type of section:
1) Enable Show Grid & Snap to Grid
2) Import your road section into the Previewscreen
3) Align to Grid
4) Select Your road section in Scene Manager whist holding-down the Ctrl Key & wait for Duplicated section to appear.
5) Select Duplicated Section
6) Hold-down the Shift Key & Move the Gizmo along the Grid. The duplicated section will slide off the top of the first section & snap to Grid exactly in line with the first section.
7) Hold-down Ctrl & select both sections, to duplicate them
8) Repeat 6).Then you'll have 4 sections exactly lined-up along the Grid.
Keep repeating the above until you've completed your road.
If your last section is too long or short, use the Gizmo Scale to adjust it's lenth. Then switch to Move, whilst holding-down the Shift key, to precisely align with the previous section.
Move/Rotate/Orbit Scene, to check from different angles that the road sections are exactly aligned & there are no gaps.
When satisfied, Move/Rotate/Orbit the Preview Camera to desired Camera view & ADD that as Camera 1 & lock it. Continue Editing in Preview camera, checking Camera 1 to view result of additional Edits.
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