• General

  • Frequently Asked Questions.

  • What is topology?

  • Topology problems linked to the coordinates precision.

  • Topology problems created during editing.

  • Triangulated Irregular Network (TIN) notes.

• ET GeoWizards

  • Clean Polyline datasets - identify and correct topology problems.

  • Clean Polygon datasets - the overlay approach.

  • Clean Polygon datasets - emulating the coverage approach.

  • Smooth/Generalize Polygons.
  • Split/Divide polygons with polylines.
  • Allocating demands to service points.
  • Deriving Street fronts from cadastral polygons.
  • Deriving setback areas from cadastral polygons.
  • Deriving distance datasets.
  • Creating non-overlapping buffers.
• ET GeoTools
  • Edit street centerlines - maintain topology and attributes.
  • Productively edit polygons and maintain topology.
  • Clean polyline layer and build polygons - video.
  • Create double line streets from street centerlines - video.
  • Clean gaps with the Reshape Polygon tool - video.
  • Comparison between the standard Topology Edit Tool and ET GeoTools Move Shared Node tool - video.

Notes:

• Check ET GeoWizards User Guide 
• Check ET GeoTools User Guide. 
• If you cannot open the videos, download and install this codec - TechSmith Screen Capture Codec

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Copyright: Ianko Tchoukanski