The Preview button displays the channel and main ridgelines from which GeoFluv™ will base its draft landform design.
Command Prompt:
The command reads, "Preview. Use View menu commands to change
views. Press Enter to continue." when the Preview button is
left-clicked.
Left-clicking on the Preview button draws the main GeoFluv™channel and ridge design lines on the drawing. The A and A+ channel reaches (>-0.04 slope) are displayed as zig-zag lines. The valley bottom channel reaches (<-0.04 slope) are displayed as sinuous curved lines. The main ridgelines are shown between the tributary channels and are sub-parallel to the channels.