Tree Cover modified for display at scales up to 1:150,000 in web mapping applications.

dataset: TREE100_TILED
This dataset is a modified version of TREE100 which has been intersected with the 25 thou mapsheet index to break up the larger polygons.
 
Citation proposal Citation proposal
(2016)

Tree Cover modified for display at scales up to 1:150,000 in web mapping applications.

Department of Energy, Environment and Climate Action
 

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Identifiers and Keywords

ANZLIC Id
ANZVI0803002948 
Victorian Spatial Data Library (VSDL) Schema
FORESTS:TREE100_TILED 
Jurisdiction
Victoria 
Topic category
  • Biota
 

Resource Constraints

Use limitation
General 
Classification
Unclassified  
Creative Commons Attribution 4.0 (CC-BY)
 

Other Dataset Details

Date ( Revision )
2016-05-06
Date ( Publication )
2018-02-01T12:37:01
Status
Completed  
Purpose
This dataset is designed purely for the display of general tree cover in web mapping applications. It essentially differs from the source dataset (TREE100) in that the large polygons of tree cover have been broken up into polygons of a maximum sixe not exceeding one 25 thou mapsheet. This avoids having to retrieve very large complex polygons when zoomed in on a small area within a large treed area of the state of Victoria. 
Supplemental Information
Related Documents: None 
Maintenance and update frequency
Not planned  
Maintenance date ( Publication )
2018-02-01T12:37:01
 

Spatial

Spatial representation type
Vector  
Reference system identifier
4283



 

Temporal

Begin date
1989-12-01 
End date
1993-04-30 
 

Quality

Conceptual Consistency
As per TREE100. 
Missing Data
Coverage is topologically valid and complete for the State of Victoria. 
Excess Data
As per TREE100 
Attribute Quality
As per TREE100. 
Positional Accuracy
Less than 500 m 
 

Lineage

Description
Generalize appended tree100 input cover to remove redundant vertices using 0.01 tolerance and bendsimplify. Do intersect with index cover of L25 library to break up big polygons. Drop all original items in pat except tree. Drop polygons where tree 'P'. 
Statement
Dataset Source: Derived from the TREE100 dataset. Dataset Originality: Derived 
 

Attributes

Column Name Obligation Unique Data Type Data Length Data Precision Data Scale Reference Table Owner Reference Table Name Reference Table Code Column Name Short Column Name Definition
HECTARES O N NUMBER 22 18 2 HECTARES
TREE O N VARCHAR2 1 TREE
AREASQM O N NUMBER 22 18 2 AREASQM
 

About the Metadata Record

Metadata identifier
76a9d944-7126-557e-a435-0984c63f174a

Contact  

No information provided.
Resource Type
Dataset  
Date info ( Revision )
2016-05-06
Standard Name
ISO 19115-3:2018 
Profile Name
DELWP Profile 
Profile Version
Version 1 
Profile Date
2019-05-24  
 

Metadata Constraints

Classification
Unclassified  
 
 

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