DIGITIZING - BUILDINGS - ROADS Digitize on rectified image
Creating and Adding New Layers Create New feature layers through ArcCatalog Polygon – for Buildings Feature class name = Buildings Add Field ‘Building_Type Line – for roads Feature class name = Roads Add Field ‘Road_Type’ Add New feature layers in ArcMap
DIGITIZING ROADS
Creating Templates Right click Roads layer, go to properties > symbology > categories > unique values Value Field = Road_Type Add Values Highways Roads Local Roads OK, OK (symbology window)
Organizing Template Editor > Editing Window > Organize Feature Template (Create Feature window) Select ‘Roads’ Click ‘New Template’ Check Layer ‘Road’ Next Check Template Names √ Highways, √ Roads, √ Local Roads Finish Close ‘Organize Feature Template’
Start Digitizing Select type of Road (Highway, Roads, or Local Roads) from ‘Create Feature’ window Click the starting point (snapping is on as a default) Keep clicking along the road by adding vertices At finish point either Double click Click F2 Right click > Finish Sketch Select another template and create sketch
DIGITIZING BUILDINGS
Class Assignment Digitize buildings in the image