Difference: SIA20Err1 (2 vs. 3)

Revision 32023-04-05 - JamesDempsey

 
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Simple Image Access version 2.0 Erratum 1: POS=RANGE examples inconsistent with spec

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Simple Image Access version 2.0 Erratum 1: POS=RANGE examples inconsistent with spec

  Author: François Bonnarel

Date last changed: 2023-01-24

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Date accepted:
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Date accepted: 2023-04-05
 

Rationale

In section 2.1.1, two RANGE examples display RANGE limits with either Inf or -Inf, + Inf. This is inconsistent with the spec which states that RA is in [0, 360] and DEC in [-90,90] and that no RANGE reduction should be required from SIA services implementations.

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 This bug orignally described on github in SIA issue #5 (https://github.com/ivoa-std/SIA/issues/5)

Erratum Content

This Erratum proposes following changes.

Fix RANGE syntax

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In §2.1.1 "*POS*" of SIA-2.0,
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In §2.1.1 "*POS*" of SIA-2.0,
 
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update the RANGE example for the North Pole from
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update the RANGE example for the North Pole from
 
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 from
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POS=RANGE 0 360.0 89.0 +Inf

to

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POS=RANGE 0 360.0 89.0 90.0

and fix the RANGE example for the whole sky

from

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POS=RANGE -Inf +Inf -Inf +Inf

to

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POS=RANGE 0 360 -90 +90
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Impact Assessment

Fixing the RANGE syntax in an example will make no harm to any service and will avoid application implementers writing code requesting incorrect queries.

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