Making a reclassification table Module 4 01/12/2018 Making a reclassification table Auteur: John Stuiver

Module 4: Preprocessing 01/12/2018 Determine Extents Study Area Xmin Ymin Xmax Ymax

Module 4: Preprocessing 01/12/2018 Determine Extents Study Area Clipbox Xmin Ymin Xmax Ymax

Module 4: Making a reclassification table 01/12/2018 Reclassification Key Attributes Objective of a reclassification table is to assign a new attribute class value to the unique (combinations of) values of other attributes that define the class of interest. Unique values of TDN_CODE and OMSCHRIJVI are assigned new suitability weight factors in a new attribute.

Module 4: Making a reclassification table 01/12/2018 Create a table with unique key attribute(s) values In ArcGIS this is done using the Frequency tool

Module 4: Input Table

Module 4

Module 4: Start Reclassification Table

Module 4: Making a reclassification table 01/12/2018 Making the correct reclassification object definition Tdn_code Typelandgebruik Old object/entity definition Tdn_code Typelandgebruik LR_WGT New object/entity definition

Module 4: Making a reclassification table 01/12/2018 Making the correct reclassification object definition Tdn_code Typelandgebruik LR_WGT Add Field/Attribute to make New object definition

Module 4: Making a reclassification table What must the user determine to make a new field/attribute when adding a field to existing table? Name Data storage type Nullable

Module 4: Making a reclassification table What data storage types do you have? Double, Float Long and Short Integer Text strings Date Blobs

Module 4: Making a reclassification table 01/12/2018 Making the correct reclassification object definition

Module 4: Making a reclassification table 01/12/2018 Making the correct reclassification object definition

Module 4: Making a reclassification table 01/12/2018 Give a default value to new fields/attributes; Do not allow <Null> as a field/attribute value!! Note!! Alias Field Names Not Used in Field name selection Tools

Module 4: Making a reclassification table 01/12/2018 Give a default value to new fields/attributes; Do not allow <Null> as a field/attribute value!!

Module 4: Making a reclassification table 01/12/2018 Topographic layers of information: Landuse, Infrastructure, Houses, Water, etc LR_WGT Typelandgebruik Tdn_code Reclassification Table Changing the suitability weight factor is only done in one table instead of all the feature attribute tables!

Questions? 01/12/2018 © Wageningen UR