Appendix J - Validation Tests

1. About Validation and Testing

The Validation and Testing cell (VAT) tests the TOPO250K/TOPO100K National Topographic Database (NTDB) for compliance to the Technical Specifications. The standard tests are outlined in this Appendix. Other tests may be carried out to ensure compliance to the Specification from time to time.

Testing is carried out using a mixture of computer programs and proprietary GIS packages (such as ArcGIS).Many of the tests are automated, using customised computer programs. These are supported by on-screen graphical checks and visual inspection of the map.

Where feature populations are small or the tests are particularly important, the full population will be tested. Where feature populations are large, or a less stringent tolerance applies, a sample area or statistical subset may be tested. Statistical subsets are a random selection of features from the whole population, while a sample area tests all the relevant features within a selected geographical area.

Statistically acceptable procedures are adopted for tests that require sampling. The sampling procedures adopted are based on the Australian Standard AS1199-1988: Sampling procedures and tables for inspection by attribute.

The Acceptable Quality Level (AQL) is in the range of 0% to 5%. Generally, the AQL is applied to each relevant coverage in the database.

The following tables give the appropriate sample size for particular population sizes, and acceptance and rejection numbers for particular sample sizes and Acceptable Quality Levels (AQL's).

	AQL	0.50%	1%	2%	5%	10%
Population Size	Sample Size	Ac,Re	Ac,Re	Ac,Re	Ac,Re	Ac,Re
2 to 8	2				0,1
9 to 15	3			↓	↑	↓
16 to 25	5			0,1	↓	1,2
26 to 50	8		↓	↑	2,3	3,4
51 to 90	13	↓	0,1	↓	2,3	3,4
91 to 150	20	0,1	↑	1,2	3,4	5,6
151 to 280	32	↑	↓	2,3	4,5	7,8
281 to 500	50	↓	1,2	3,4	5,6	10,11
501 to 1200	80	1,2	2,3	4,5	8,9	14,15
1201 to 3200	125	2,3	3,4	6,7	12,13	21,22
3201 to 10000	200	3,4	5,6	8,9	17,18	↑
10001 to 35000	315	4,5	7,8	12,13	21,22
35001 to 150000	500	6,7	10,11	17,18	↑
150001 to 500000	800	8,9	14,15	21,22
500001 and over	1200	12,13	21,22	↑

Table Application Legend
↓	Use the first sampling plan below the arrow. If the sample size equals, or exceeds the population size, carry out 100% inspection
↑	Use the first sampling plan above the arrow
Ac	Accept Number
Re	Reject Number

For some tests, no errors are allowed and the entire population is tested. For other tests, samples are tested to ensure that an error rate of between 0.5% and 5% is possible in the data.

Where records indicate that a particular test is passed every time for Work Units from a contractor, those tests will be classified into a 'spot' class. Spot tests are carried out on a random sample of work units. This procedure continues until the data begins to fail the test. When this happens the test will again be carried out on all Work Units until it can again be classified in the spot class. Where tests are automated or are critical, they are performed for each Work Unit, regardless of the past record.

This testing methodology ensures a 99% confidence that the error rate is less than the AQL.

Where errors are detected but the number of errors detected is less than the rejection number, the test is passed but noted in the 'other test errors' section of the VAT report. If the tile fails another test the tile should be examined for errors of this type and the errors must be fixed before the tile is submitted again. If the tile passes these errors are recorded and corrected when future revision takes place.

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2. Validation tests

The following tables describe the tests carried out in VAT, the sample size and the AQL. Note that the Tests are deliberately numbered with gaps left in their sequence, to allow for future additional tests (if and when necessary) and also for Specifications maintenance reasons. As a consequence, some Test Numbers may appear sequentially without these gaps. The listed Test Numbers and their associated Report Numbers are identical in all cases to allow for easy identification.

2.1 NATIONAL TOPOGRAPHIC DATABASE (1:250 000 & 1:100 000 scale)

2.1.1 Logical Consistency

Logical consistency is a measure of the degree to which the data are internally consistent and comply with the technical specification in the way they are structured.

TEST / REPORT	LOGICAL CONSISTENCY CHECK	TEST TYPE	AQL
1	Data Format and Spatial Reference components are correct	Full Population	0%
3	Schema is correct	Full Population	0%
5	Database resolution is correct	Full Population	0%
7	Linear Features have more than one coordinate pair	Full Population	0%
9	Features do not fall outside the Work Unit data extent	Full Population	0%
11	Line segments are greater than the minimum length specified	Full Population	5%
13	Line segments are less than the maximum length specified	Full Population	0.5%
15	There are no duplicate coincident features existing within a Feature Class	Full Population	0.5%
17	There are no coincident arc segments in a single line feature, or intersecting arcs without a node	Full Population	0.5%
19	Bounding Lines exist around polygons, and are fully closed	Full Population	0%
21	There are no illegal Pseudo Nodes existing in Linear Feature Classes	Full Population	2%
22	Line Features are Single Part where expected	Full Population	0%
23	There are no invalid undershoots existing in Linear Feature Classes	Statistical subset	0.5%
25	There are no collapsed or small invalid polygons existing in Polygon Feature Classes	Full Population	5%
27	There are no artefacts existing in Linear Feature Classes	Statistical subset	5%
29	There are no short invalid lines existing in Linear Feature Classes	Full Population	5%
31	There are no invalid overshoots existing in Linear Feature Classes	Statistical subset	1%
33	Abutting polygons do not have the same attributes	Full Population	1%
35	Illegal null values do not exist in Feature Attribute fields	Full Population	0%
37	The Limit Of Data (In Framework) matches with the Reference Framework	Full Population	0%
38	Feature Geometry is not empty	Full Population	0%
39	Feature segments are coincident where required between Feature Classes	Statistical subset	5%
41	Junctions in Framework Boundaries are coincident with Junctions in the the Waterbody Boundaries Feature Class	Statistical subset	5%
43	Road Junctions, Passes or Populated Places are coincident with Roads	Full Population	5%
45	Road Bridges, Fords, Road Tunnels, Grids or Gates are coincident with Roads	Full Population	1%
47	Railway Bridges, Railway Tunnels, Railway Causeways or Railway Stations are coincident with Railways	Full Population	1%
49	Waterholes, Waterfalls, Rapid Lines, Spillways or Locks are coincident with Watercourses	Full Population	1%
51	Homesteads are correctly cloned as Buildings	Full Population	5%
53	Coastline is correctly cloned as Zero Elevation Contour	Full Population	1%
55	Waterbodies located within Mainland or Island (do not fall in the Sea)	Full Population	1%
57	Buildings, Localities, Caves, Pinnacles or Lighthouses do not fall in the Sea	Full Population	1%
59	Reefs or Offshore Islands are surrounded by Sea	Full Population	1%
61	Spot Elevations, Benchmarks or Horizontal Control Points do not fall in Sea or Waterbodies	Full Population	1%
63	Sand Ridges, Roads or Railways do not fall in Waterbodies	Full Population	1%
65	Buildings or Localities do not fall in Waterbodies	Full Population	1%
67	Junctions are correctly located with respect to other features	Statistical subset	1%
69	Connectors are located in Waterbodies	Full Population	1%
71	Ferry Routes are located in Waterbodies or Sea	Full Population	0.5%
73	Wrecks or Offshore Rocks are located in Sea	Full Population	1%
75	Spot Elevations, Benchmarks or Horizontal Control Points are consistent with Contours	Full Population	1%
77	Polygon features in the Vegetation Layer do not overlap with other polygon features	Full Population	1%
79	Limit Of Data features are densified correctly	Full Population	1%
81	State Border is consistent with the COAST-100K data	Full Population	0%
83	Ferry Routes are connected to either a Road or Rail network	Full Population	5%
85	Features are consistent with the Fence and Water Facilities Guide	Full Population	1%
87	Well defined features are positioned accurately	Sample	5%
89	Features on source material captured as required	Sample	2%
91	Revision has been applied correctly	Sample	5%
93	Limit Of Data and bounding polygons are coincident with the Limit Of Data in the Reference Framework	Full Population	1%
95	FeatureType priority for Voids and Polygon Boundary Lines between different polygons is correct	Full Population	2%
97	Multi-polygon features created and attributed correctly	Full Population	2%
99	Rapid Area features are coincident with Watercourse Areas	Full Population	2%
101	Sea Walls are coincident with the Framework Boundary Line	Full Population	2%
103	Dams are coincident with Roads	Full Population	2%
105	Extraneous Void features do not exist	Full Population	5%
107	Depression Contours have correct direction	Full Population	5%
111	Cuttings and Embankments have correct direction	Full Population	5%
113	Cliffs have correct direction	Sample	5%
115	Watercourse Line Flow Direction Arrows have correct direction	Sample	5%

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2.1.2 Attribute Accuracy

Attribute accuracy is a measure of the degree to which the features and their attributes agree with the information on the source material. For this product, attribute accuracy is a measure of the degree to which the attribute values of a feature agree with the information on the source material.

TEST / REPORT	ATTRIBUTE CHECK	TEST TYPE	AQL
117	Attribute values (other than for FeatureType and Type) are within the valid range, consistent with the Data Dictionary	Full Population	2%
119	Data Quality Fields are populated correctly	Full Population	0%
121	Persistent Identifiers (PIDs) exist and are valid and unique	Full Population	0%
123	Feature Type and Type exist and are valid	Statistical subset	1%
125	Cartographic Features have correct attributes	Full Population	2%
127	Road Classification is correct	Statistical subset	5%
129	Road Formation is correct	Statistical subset	5%
131	Road Names are correct	Statistical subset	5%
133	National Route Numbers (NRNs) are correct	Statistical subset	5%
135	State Route Numbers (NRNs) are correct	Statistical subset	5%
137	Railway Status is correct	Statistical subset	5%
139	Railway Gauge is correct	Statistical subset	5%
141	Railway Track Numbers are correct	Statistical subset	5%
143	Railway Names are correct	Statistical subset	5%
145	Builtup Area Names are correct	Statistical subset	5%
147	Locality Names are correct	Statistical subset	2%
149	Attributes for Mainland or Islands are correct	Full Population	0%
151	Sea Names are correct	Full Population	0%
153	Island Names are correct	Statistical subset	5%
155	Island Names are correct	Statistical subset	5%
157	Aircraft Facility Names are correct	Full Population	5%
159	Reserved Areas or Prohibited Areas are correct	Statistical subset	5%
161	Perenniality of Watercourses are correct	Statistical subset	5%
163	Perenniality of Watercourses are correct	Statistical subset	5%
165	Watercourse names are correct	Statistical subset	5%
167	Perenniality of Waterbodies is correct	Statistical subset	5%
169	Waterbodies name are correct	Statistical subset	5%
171	Waterbodies name are correct	Statistical subset	5%
175	Watercourse Name attributes are contiguous where intended	Statistical subset	2%
177	Road Name attributes are contiguous where intended	Statistical subset	2%
179	National Route Number (NRN) attributes on Roads are contiguous where intended	Statistical subset	2%
181	State Route Number (NRN) attributes on Roads are contiguous where intended	Statistical subset	2%
183	Status attributes on Railways are contiguous where intended	Full population	2%
185	Gauge attributes on Railways are contiguous where intended	Full Population	2%
187	Railway Name attributes are contiguous where intended	Full Population	2%
189	Product attributes on Pipelines are contiguous where intended	Full Population	2%
191	Relationship attributes on Pipelines are contiguous where intended	Full Population	2%
193	Attributes or spatial position of features in overlap areas revised correctly, where appropriate and in accordance with the Specifications	Full Population	5%
195	Positional mismatches do not exist across adjoining Work Units for linear features	Full Population	1%
197	Attribute mismatches do not exist across adjoining Work Units for linear features	Full Population	1%
199	Attribute mismatches do not exist across adjoining Work Units for polygon features	Full Population	1%

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2.2 NATMAP

2.2.1 Map proof verification

High quality proofs are used to verify the content and quality of the final NATMAP product prior to final map printing. Note All tests on the quality proof material is mandatory.The EPS files associated with the NATMAP product will be generated to a minimum standard of 400 dots per inch (dpi).

TEST / REPORT	CHECK	AQL
201	Quality proof is produced from, or compatible with, the submitted data.	No errors
203	Registration control marks exist and registration is correct on quality proof	No errors
205	Colour control exists and is correct on quality proof	No errors
207	Masking of features on quality proof is correct	1%
209	Quality proof labelling is correct	No errors

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2.2.2 Marginalia

The marginalia is all the information contained in the map surrounds, the area of the map to the left and below the neatline. All tests on the marginalia are mandatory and errors are not acceptable.

TEST / REPORT	DIAGRAMS/ NOTES etc.	CHECK	AQL
211	Commonwealth Copyright Printing Date	Date appears and is correct	No errors
213	Map Reliability	Date appears and is correct	No errors
215	Commonwealth Coat of Arms	Coat of Arms appears and is correct	No errors
217	Map Scale	Scale appears and is correct	No errors
219	GEOCAT Number	Number appears and is correct	No errors
220	Bar Code	Bar Code appears and scans correctly	No errors
221	GDA Logo	Logo appears and is correct	No errors
223	Map Names	Name spelling, font and position is correct	No errors
225	Map Numbers	Number identifier, font and position is correct	No errors
227	Map Edition Numbers	Edition identifier, font and position is correct	No errors
229	State Names	Name, font and position is correct	No errors
231	Map of Australia Location box	Appears and is correct	No errors
233	Index to Adjoining Maps box	Appears and is correct	No errors
235	Text panels	No textual or typographical errors in marginalia	No errors
237	Datum Information	Panel appears and value accuracy and interval is correct	No errors
239	North Point Diagram	Diagram appears and relevant values are correct	No errors
241	Grid Reference Point	Sample Reference Point exists and is correct and consistent with the map	No errors
243	100 000 Metre Square Identification panel	Panel appears and the layout and letters are correct	No errors
245	Climate Graph	Graph appears and the lines and values for the stated Locality are correct	No errors
247	Legend	Symbology is the same as appears on the map and is consistent with the Specifications	No errors
249	Geographical values	Values and position are correct for the map	No errors
251	Grid values	Internal and external values, position and offset are correct	No errors
253	Road Destinations Arrows and text	Arrows, Distances, Text and angle are correct	No errors
255	Scale Bar	Appears and is represented in kilometres only	No errors

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2.2.3 Internal Type Selection and Placement

TEST / REPORT	CHECK	TEST TYPE	AQL
257	Feature names are uncluttered and positioned unambiguously	Sample Area	5%
259	Feature names do not clash with other map detail	Sample Area	2%
261	Feature name abbreviations comply with the Specifications	Sample Area	2%
263	All internal type is shown in the correct alignment	Full Population	1%
265	Reserve Area names are spelt correctly and avoid other detail	Full Population	2%
267	Descriptive notes are wholly in lower case italics	Sample	5%
269	Named features or other type do not straddle the map trim edge	Full Population	1%
271	Named features are completed within the map bleed area	Full Population	1%
273	Named features or labels have the correct font and point size	Sample Area	5%
275	Named features or labels are shown in the correct case	Sample Area	2%
277	Road names are correct for continuity and point size	Sample	5%
279	Railway names are correct for continuity and point size	Sample	5%
281	Road Distance values between pins are correct	Sample	2%
283	Kilometric Distance Indicator pins exist, are clearly visible and positioned correctly	Sample	2%
285	National and State Route Marker values and position are correct	Sample	2%
287	Horizontal Control Point identification is correct	Sample	2%
289	Spot Height identification is correct	Sample	2%
291	Spelling (and name order) of major and well-known features, such as major Roads, Rivers and Localities is correct	Full Population	0%
293	Spelling (and name order) of lesser known features is correct	Sample Area	5%
295	No extraneous type (not associated with a feature or incomplete) has been shown	Full Population	0%
297	Positioning of type conforms to the type placement principles	Sample	5%
	Hydrographic
299	Names of Rivers and Creeks are correct for spelling, font, continuity, position and type size (internally and to adjoining sheets)	Sample	5%
301	Names of Lakes and other waterbodies are correct for spelling, font, type size and position	Sample	5%
303	Names of Oceans and Seas are correct for spelling, font, type size and position	Sample Area	5%
	Grid
305	Full Grid values are shown at the south-west corner of the sheet	Full Population	0%
307	Internal laddered Grid values appear and are correct	Full Population	0%
309	100 000 Metre Square identification letters (Internal and External) are correct and are positioned correctly	Full Population	0%
311	100 000m UTM Grid Zone designation note values are correct, offset and aligned correctly to the Graticule (250K only)	Full Population	0%
	Relief
313	Spot Elevations and Horizontal Control Point values agree with Contours and Depression Contours	Sample	2%
315	Contour values are correct, of sufficient density and read uphill	Sample Area	1%
317	The highest elevation (including bleed area) has been shown and is correct (1:250K only)	Full Population	0%

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2.2.4 Black Detail (Internal)

Internal Black detail includes all the map features that are to be depicted with Black symbology

TEST / REPORT	CHECK	TEST TYPE	AQL
	General
319	Features meet the neatline where appropriate	Sample	1%
321	The final text is not cluttered or ambiguous of content	Sample Area	5%
323	Features that appear on the previous edition appear on the map as specified	Sample Area	2%
325	All source materials have been used to ensure revision has been carried out correctly and accuracy requirements are met	Sample	1%
327	Symbology is correct for all features and appears only where appropriate	Sample	1%
329	Symbols do not clash with type or other symbols	Sample Area	5%
331	Annotations are missing symbols or symbols are missing annotation	Sample Area	5%
	Rail
333	Railway Lines are correct	Full Population	1%
335	Railway Stations are correct	Full Population	5%
337	Railway Stations and Bridges are coincident with Railway Lines	Full Population	5%
339	Correct Railway Line Gauge is shown	Full Population	5%
341	Symbology is correct for all Railway Line and Point features	Full Population	1%
343	Railway Lines are displaced for hydrographic features	Sample Area	5%
	Aerodromes and Landing Grounds
345	All registered Airports and Aerodromes are correctly shown and labelled in accordance with the approved sources	Full Population	1%
347	Direction of runways for Aerodromes and Landing Grounds is correct	Sample	5%
349	Symbology is correct for line weight, pattern and colour	Sample	1%
	Relief
351	Horizontal Control Point symbols are correctly orientated	Sample	2%
353	Horizontal Control Points and Spot Elevations are positioned accurately in relationship to adjacent Contours	Sample	2%
355	Only permanently marked and monumented Horizontal Control Points are shown	Sample	2%
357	Coastline is broken (symbolised to '0') on the map where coincident with Cliffs	Sample	5%
359	Contours are broken (symbolised to '0') on the map where coincident with Cliffs	Sample	5%
361	Cuttings and Embankments are correctly aligned to Roads and Railways	Full Population	5%
	Graticule
363	Symbology for the Graticule is correct	Full Population	0%

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2.2.5 General Cultural Detail

TEST / REPORT	CHECK	TEST TYPE	AQL
365	Buildings and Homesteads do not fall on Roads and Railways, or within Waterbodies, Sea or Watercourse Areas	Sample Area	5%
367	Bridges are coincident with Roads or Railways, and traverse Streams	Sample	5%
369	Fences do not run through Vehicular Tracks	Sample	5%
371	Fences, Bores, Tanks, Windpumps and Wells only appear within specified areas, in accordance with Appendix C	Full Population	0%
373	Fences are labelled where appropriate eg. dog proof fence	Sample Area	5%
375	Gates and Grids are correctly aligned to Fences and centred on Roads	Sample Area	5%
377	Fences do not continue through symbolised Yards, Gates and Stock Grids	Sample Area	5%
379	Fences are contiguous where intended (i.e. no invalid gaps appear)	Sample Area	5%
381	Locks are aligned correctly and centred on Streams	Full Population	5%
385	Powerlines are broken (symbolised to '0') on the map where they pass through Builtup Areas	Sample	5%
387	Windpumps and Mines have correct orientation	Sample	1%
389	Wharves are parallel to the coast	Full Population	5%
391	Orientation of Tunnels and linear features disappearing under ground is correct	Full Population	5%
393	Features that appear on the previous edition map appear on the new map where appropriate and as specified	Sample Area	2%
395	Ferry Routes are shown and labelled	Full Population	2%
397	Large Buildings are shown to scale	Full Population	5%
399	Homestead names are correct	Sample Area	5%
401	Buildings or other cultural features do not fall in Builtup Areas	Sample Area	5%

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2.2.6 Red Detail (Internal)

Internal Red detail includes all map features that are to be depicted with Red symbology.

TEST / REPORT	CHECK	TEST TYPE	AQL
	Roads
403	Road classifications are correct	Sample Area	5%
405	Intersections between different Road classifications are clear of artefacts and undershoots	Sample Area	5%
407	Major Roads continue through Builtup Areas. Minor Roads totally contained in Builtup Areas have not been shown	Sample Area	5%
409	Roads are correctly abutting Reserve Area boundaries where applicable	Sample Area	5%
411	Roads are correctly abutting Builtup Area boundaries where applicable	Sample Area	5%
413	Road Distance markers appear for, and are consistent with, Road Distance values	Sample	1%
415	Roads are displaced for Railways, Rivers etc.	Sample	5%
417	National and State Route Markers are cleared of all other detail	Sample	1%
419	Roads that appear on the previous edition map appear on the new map where appropriate and as specified	Sample Area	2%
421	All source materials have been used to ensure revision has been carried out and accuracy requirements have been met	Sample	1%
423	Symbology is correct for all Road line and point features	Sample	1%
	Built Up Areas
425	Boundaries do not overlap into other polygons, including Waterbodies, Vegetation Areas, Relief Areas and Offshore Areas etc.	Full Population	1%
427	Polygon boundaries are coincident with Roads where applicable	Sample Area	5%
429	Polygon boundaries are coincident with Roads where necesssary and applicable	Sample Area	5%
431	Features that appear on the previous edition map appear on the new map where appropriate and as specified	Sample Area	2%
433	All source materials have been used to ensure revision has been carried out and accuracy requirements have been met	Sample Area	1%
435	Symbology is correct for all Builtup Areas and Populated Places	Full Population	1%

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2.2.7 Blue Detail (Internal)

Internal Blue detail includes all map features that are to be depicted with Blue symbology.

TEST / REPORT	CHECK	TEST TYPE	AQL
437	The Grid meets the neatline and fits the Graticule	Full Population	0%
439	Waterbodies do not overlap other area features eg. Builtup Areas	Sample	5%
441	Orientation of Flow Arrow heads is correct	Sample	5%
443	Orientation of Rapids symbols are correct	Sample	5%
445	Minor Streams and Channels have a correction relationship (fit with) the Road pattern	Sample	5%
447	Features that appear on the previous edition map appear on the new map where appropriate and as specified	Sample Area	2%
449	All source materials have been used to ensure revision has been carried out and accuracy requirements have been met	Sample Area	1%
451	Symbology is correct for all features and appears only where appropriate	Sample	1%
453	Symbology of Waterbodies is correct with relation to Perenniality	Sample Area	5%
	Offshore
455	Reef polygons are contained completely within the Sea	Full Population	1%
457	Reefs are named where appropriate	Sample	2%
459	Features that appear on the previous edition map appear on the new map where appropriate and as specified	Sample Area	2%
461	All source materials have been used to ensure revision has been carried out and accuracy requirements have been met	Sample	1%
463	Symbology of Offshore Area and Point features is correct	Sample	1%
	Grid
465	Correct symbology for Grid Lines (10 000m and 100 000m)	Full Population	0%

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2.2.8 Brown Detail (Internal)

Internal Brown detail includes all map features that are to be depicted with Brown symbology.

TEST / REPORT	CHECK	TEST TYPE	AQL
467	Sand does not appear in vegetated areas, waterbodies and braided watercourses	Full Population	5%
469	Sand Ridges are identified by Descriptive Notes and Average Heights where available	Sample	5%
471	Sand Ridges do not cross Streams	Sample	1%
473	Sand Ridges do not enter Lakes	Sample	1%
475	Features that appear on the previous edition map appear on the new map where appropriate and as specified	Sample Area	2%
477	All source materials have been used to ensure revision has been carried out and accuracy requirements have been met	Sample	1%
479	Symbology for Sand, Foreshore Flats and Sand Ridges is correct	Sample	1%
	Contours
481	Index Contours exist and are drawn with the correct symbology	Sample Area	1%
483	Depression Contours and associated depression ticks are orientated correctly	Sample	5%
485	Contours are broken for double-line perennial Watercourses, Lakes, Water Storages, Open Cut Mines and Cliffs	Sample	5%
487	Features that appear on the previous edition map appear on the new map where appropriate and as specified	Sample Area	2%
489	All source materials have been used to ensure revision has been carried out and accuracy requirements have been met	Sample	1%
491	Symbology is correct for Contours	Sample	1%

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2.2.9 Green Detail (Internal)

Internal Green detail includes all map features that are to be depicted with Green symbology.

TEST / REPORT	CHECK	TEST TYPE	AQL
	Vegetation
493	Vegetation does not overlap into perennial Waterbodies, Builtup Areas, Relief Areas etc.	Full Population	5%
495	Windbreaks do not cross Roads or perennial Waterbodies	Full Population	1%
497	Vegetation has been updated and captured in sufficient detail	Sample Area	5%
499	Features that appear on the previous edition map appear on the new map where appropriate and as specified	Sample Area	2%
501	All source materials have been used to ensure revision has been carried out and accuracy requirements have been met	Sample	1%
503	Symbology is correct for all vegetation features	Sample	1%
	Boundaries
505	Boundaries are abutting Roads and other boundaries where appropriate	Sample	5%
507	The State Border is labelled correctly on both sides	Full Population	1%
509	The verge falls on the correct side of Reserve Area boundaries	Sample	2%
511	Features that appear on the previous edition map appear on the new map where appropriate and as specified	Sample Area	2%
513	All source materials have been used to ensure revision has been carried out and accuracy requirements have been met	Sample	1%
515	Symbology for all Reserve Area boundaries are correct	Sample	1%
517	Reserve Area lines are not symbolised where coincident with the Coastline	Sample	5%
519	Reserve Area line symbology is correctly offset	Sample	2%

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2.2.10 Screens / Patterns

A number of area features are represented by screens and/or patterns. Checks will be carried out against the appropriate specification.

TEST / REPORT	CHECK	TEST TYPE	AQL
521	Area features made up of screens and/or patterns are correct eg. Forests, Rainforest, Parks, Mangroves, Orchards & Plantations etc.	Sample	0%

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3.Submission of Data to Geoscience Australia

3.1 Material and Format

The following information, data and products will accompany the submission of a completed Work Unit to Geoscience Australia.

• the Work Unit name *
• the Work Unit number *
• the relevant NTMS / Map Edition Number (where applicable)
• the Technical Specification Version used
• the Submission date
• the Producer / Company name
• the Producer / Company Contact name and number
• the Submission Sequence status and number
• a listing of the themes (or Feature Datasets) revised, as per the Project Instructions
• one hard copy quality proof of the revised map product (where applicable)
• Submission of data in one of the following formats, at the appropriate scale for the project;
• TOPO-250K/TOPO-100K NTDB Enterprise Geodatabase (disconnected edit version)- GDA94 Geographic Coordinate system
• TOPO-250K/TOPO-100K NTDB Personal Geodatabase - GDA94 Geographic Coordinate system
• TOPO-250K/TOPO-100K Shape (.shp) files - GDA94 Geographic Coordinate system
• supply of encapsulated postscript (.eps) files for generation of the map product
• a scanning transformation RMS error report(s) for all newly scanned data (where applicable)
• a listing of all Action Requests relevant to the Work Unit in production, in either hard copy or digital format, chronologically ordered on the Appendix J "Listing of Action Requests" form

* Note: the NTDB Work Unit number may not necessarily relate to numbers shown in the NTDB MapIndexes Feature Dataset, and may be designated according to non-standard geographical extents, in accordance with the Project File instruction. Work Units/Packages may be named on a regional area or thematic basis, and differ to those already existing in the MapIndex Feature Dataset.

A Validation and Testing (VAT) Submission Form (Attachment J) should be used when submitting these details. This VAT Submission Form, showing typical expected entries and listing the above requirements, can be found below under "5. Forms for VAT Submission."

After the Work Unit has passed Validation and Testing (VAT), all NTDB and map specific source material will be returned to Geoscience Australia.

3.2 Impact of Specification Changes

These Technical Specifications are subject to continuous improvement. Changes made may impact on the map and/or the NTDB Geodatabase representation. Where such changes occur, the changes must be implemented for Work Units allocated after the change comes into effect.

The Version number of the Specification used for production must be shown at the "Technical Specification Version" line of the VAT Submission form (Attachment J).

The procedure for suggesting changes or improvements to the Specification is described in "Distribution and Suggestions for Change", at the front of this Specification.

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4. Post-production Validation and Testing

A brief description of the testing process conducted by Validation and Testing is outlined below.

4.1 Results of Tests and Resubmitting Failed Work Units

On completion of the VAT tests a summary test report is generated. The report lists the tests that have been failed, and any other errors which, by themselves, do not cause the Work Unit to fail. The details of each error are briefly described. When possible the PID (or approximate coordinate position) of each feature, or example features in error, is included. The report summarises whether the Work Unit passes or fails.

The VAT Report is comprised of three sections, and it is important that Producers understand the significance of each section in terms of the AQL (Acceptable Quality Limit) criteria. A brief description of each section is included below;

"FAILED TESTS"

Those tests for which data or map errors exceed the maximum allowable AQL percentage (%) error tolerance. For example, if the AQL for a particular test is 5%, an error percentage of 5.6% for that test would see it reported under this category.

"OTHER TEST ERRORS"

Those tests for which data or map errors exist, yet fall within the maximum allowable AQL percentage (%) error tolerance. These do not constitute a "FAIL" result for that particular test. For example, if the AQL for a particular test is 2%, an error percentage of 1.3% or 2% for that test would see it reported under this category.

"ADDITIONAL INFORMATION"

Information that has been supplied by Validation and Testing (VAT) for either the Producer and/or Geoscience Australia, and which does not constitute or count as an error on the part of the Producer. This section is intended to include such example information as - Advice on erroneous or conflicting source material, subsequent additional source information not originally supplied to the Producer, suggestions for improvement not allowed for in current versions of the Specifications etc. This section acknowledges that each of these situations is outside the control of the Producer, and is provided for information purposes only, and in this way differs significantly from the "FAILED TESTS" and "OTHER TEST ERRORS" sections described above.

The following document is a sample extract from a typical Validation and Testing VAT Report.

• Sample VAT Report - Portable Document Format (PDF), [21 kb]

A Work Unit fails VAT when any of the AQL tolerances for any of the tests on any of the Feature Dataset/Feature Classes or products are exceeded. When a Work Unit fails VAT a copy of the above report is sent to the producer. Producers correcting data as a result of FAILED TESTS or OTHER TEST ERRORS should ensure that they make all corrections. VAT staff are forbidden from editing or correcting the data. The producer will correct the data. The producers should not only correct the errors listed in the summary report but search the untested parts of the data, correcting similar errors. It is possible that tests reported under the "OTHER TEST ERRORS" category may, on subsequent re-submission, be found to exceed the maximum tolerances and be recorded as "FAILED TESTS" on re-testing, due to sample densities or additional errors etc.

When they are satisfied that all errors are corrected, the producer will resubmit the Work Unit to Geoscience Australia's VAT cell. Re-submission follows the process outlined in Chapter 3 "Submission of Data to Geoscience Australia." Any corrections made as a result of VAT testing must render the NTDB data files and map (where applicable) consistent with each other where expected, and the hard copy map quality proof must be regenerated from that data prior to re-submission to VAT. Resubmitted data will be fully tested again, using a different sampling area. If the Work Unit fails again it will be returned to the producer for correction and subsequent re-submission.

When the data and associated products pass VAT, the summary report will be sent to the producer stating that the data and associated products have passed VAT.

5. Forms for VAT Submission

The following links will provide access to the VAT Submission and miscellaneous forms required for the submission of TOPO250K and TOPO100K NTDB products, in PDF format. These forms will be completed by producers and submitted to VAT with all the specified material. These forms are provided as templates only - it is permissable, and may be necessary, to expand these forms facilitate the inclusion of all the necessary details against the relevant sections.

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"VAT SUBMISSION" FORM

• Portable Document Format (PDF), [72 kb]

"LISTING OF ACTION REQUESTS" FORM

• Portable Document Format (PDF), [41 kb]