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
 

Description

Title
Tree Cover modified for display at scales up to 1:150,000 in web mapping applications. 
Alternate title
TREE100_TILED 
Resource Type
Dataset  
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 
Status
Completed  
 
 

Temporal

Time period
1989-12-011993-04-30 
 
 

Spatial

Spatial representation type
Vector  
Code
4283 


 

 

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
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'. 
 
 

Metadata Constraints

Classification
Unclassified  
 
 

Quality

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

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