3D Analyst - ESF：3D Analyst -是.ppt

Basic Idea Basic Idea What can you do with it? What can you do with it? Work in the 3D world so can do Work in the 3D world so can do –– Visualization of Visualization of –– Viewsheds, lines of sight Viewsheds, lines of sight –– Steepest path descents (fall lines) Steepest path descents (fall lines) –– Volume and area calculations Volume and area calculations Viewshed Viewshed visible Not visible From Here Fall line Fall line Steepest path down hill In this case over a TIN Triangular work Calculate Calculate Volumes Volumes and and Areas Areas And other And other stats stats Convert 2D to 3D Convert 2D to 3D ponents ponents ArcScene ArcScene ArcGlobe ArcGlobe ArcMap -- this one you know ArcMap -- this one you know atalog atalog –– and this one also and this one also ArcScene ArcScene Allows visualization of data Allows visualization of data Allows 3D interaction with data Allows 3D interaction with data Allows Surface Analysis Allows Surface Analysis ArcScene documents are . ArcScene documents are . sxd sxd ArcGlobe ArcGlobe ArcGlobe ArcGlobe Data for entire globe Data for entire globe –– but works for part but works for part of globe also of globe also Can Zoom in and view from different Can Zoom in and view from different downward angles downward angles HUGE databases! HUGE databases! ArcGlobe docs are ArcGlobe docs are .33d .33d