Tree Cover simplified for display at scales between 1:150,000 and 1:500,000

dataset: TREE100_BASIC
This dataset is a simplified version of TREE100 with areas less than 500,000 sqm deleted and the remaining features generalized using the bendsimplify algorithm with a 100 metre tolerance.
 
Citation proposal Citation proposal
(2016)

Tree Cover simplified for display at scales between 1:150,000 and 1:500,000

Department of Energy, Environment and Climate Action
 

Description

Title
Tree Cover simplified for display at scales between 1:150,000 and 1:500,000 
Alternate title
TREE100_BASIC 
Resource Type
Dataset  
Purpose
This dataset is designed purely for the display of general tree cover at scales between 1:150,000 and 1:500,000 on map products and internet mapping sites. 
Supplemental Information
Related Documents: None 
Status
Completed  
 
 

Temporal

Time period
1989-12-011993-04-30 
 
 

Spatial

Spatial representation type
Vector  
Code
4283 
Description
General - Victoria 
N
S
E
W


 

 

Maintenance

Maintenance and update frequency
Not planned  
 
 

Format

 
 

Contacts

  Point of contact

Cited responsible party  

No information provided.

Cited responsible party  

No information provided.

Cited responsible party  

No information provided.
 
 

Keywords

Topic category
  • Biota
 
 

Resource Constraints

Use limitation
General 
Classification
Unclassified  
 
 

Lineage

Statement
Dataset Source: Derived from the TREE100 dataset. Dataset Originality: Derived 
Description
Derivation of this dataset uses 50 ha as the minimum polygon size and 100 m as the generalize weed tolerance. Processing details are defined in the Arc/Info aml tree100_simple.aml as follows: drop source cover items that may prevent dissolve working properly remove undersize tree cover polygons in source cover populate undersize hole polygons with a present value dissolve out undersize holes generalize remaining features populate undersize hole polygons created by the generalize with a present value populate large orphan tree cover polygons created by the generalize with a present value dissolve out undersize holes remove any remaining undersize tree cover polygons created by the generalize dissolve out any undersize holes within holes remove any label points in the world poly populate large orphan tree polygons created by the generalize with a present value 
 
 

Metadata Constraints

Classification
Unclassified  
 
 

Quality

Attribute Quality
Comments
As per TREE100. 
Positional Accuracy
Comments
Less than 500 m 
Conceptual Consistency
Comments
Areas less than 500,000 sqm that formed holes in the tree cover have been coded 'P' (present) and then dissolved out. 
Missing Data
Comments
Coverage is topologically valid and complete for the State of Victoria. 
Excess Data
Comments
As per TREE100 
 
 

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