Vicmap Index - Framework Polygon

dataset: FR_FRAMEWORK_AREA_POLYGON
This layer represents polygons for the state boundary, zero contour, coastline and the data extent for Vicmap Elevation & Vicmap Features, Vicmap Hydro, Vicmap Transport.
 
Citation proposal Citation proposal
(2017)

Vicmap Index - Framework Polygon

Department of Transport and Planning
 

Description

Title
Vicmap Index - Framework Polygon 
Alternate title
FR_FRAMEWORK_AREA_POLYGON 
Resource Type
Dataset  
Supplemental Information
Related Documents: None 
Status
Completed  
 
 

Temporal

Time period
1974-01-011995-01-01 
 
 

Spatial

Spatial representation type
Vector  
Horizontal Accuracy
25m  
Code
4283 


 

 

Maintenance

Maintenance and update frequency
As needed  
 
 

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
  • Elevation
  • Environment
  • Geoscientific information
 
 

Resource Constraints

Use limitation
. 
Classification
Unclassified  
 
 

Lineage

Statement
Dataset Source: The line work and points were derived from the Vicmap Digital Topographic (VDT) map base coordinated by LIG. VDT evolved from Victoria's printed 1:25,000 Topographic Map Series program together with the need to supply a control framework for the creation of the rural Digital Cadastral Mapbase. The capture scale is 1:25,000 Statewide and the coverage, except for minor border issues is also statewide. Dataset Originality: Primary 
Description
Collection Method: Conversion of existing mapping, digital stereo capture 
Description
- Conversion of existing mapping - compilation conversion 30% and repromat conversion 50% - digital stereo capture - 20% -The majority of the conversion of existing mapping and approximately 30% of the digital stereo capture were outsourced to private contractors and the remainder was captured in house. Contractor's primarily scanned and vectorised existing repromat with a small amount of hand digitising done in some instances. 
 
 

Metadata Constraints

Classification
Unclassified  
 
 

Quality

Attribute Quality
Comments
99% 
Positional Accuracy
Comments
The planimetric accuracy attainable will be the sum of errors from three sources:the positional accuracy of the source material, errors due to the conversion process, errors due to the manipulation process. For topographic base derived data this represents an error of 8.3m on the ground for 1:25,000 data. A conservative estimate of 10m for the standard deviation will be used in any data quality information. Alternate and equal ways of expressing this error are: not more than 10% of well-defined points will be in error by more than 16 m. The worst case error for the data is +/- 30 m. For vertical positional accuracy of points determined from contours there is an expectation that the elevation accuracy (standard deviation) will be half the value of the contour interval. 
Conceptual Consistency
Comments
The allowable error in attribute accuracy ranges between 1% to 5% error. Logical consistency is a measure of the degree to which data complies with the technical specification. The test procedures are a mixture of scripts, microstation MGE program and on-screen visual checks. 
Missing Data
Comments
Complete 
Excess Data
 
 

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