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