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Webtag Applicability (preserving history): Difference between revisions
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Webtag Applicability (preserving history) (view source)
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'''The following text used to be on that page, but to simplify that page has now been moved here.'''
When MX is processing web tags and finds one it cannot understand, a "*** web tag error - see MXdiags file ***" message will appear in the engine console, and the diagnostic file will include something like this, be aware a "token" parser is used to evaluate web tags:▼
<pre>Web tag error▼
Exception: i=8998 len=106297▼
inputText.Length=106297▼
token=<#daylightlength format=H></pre>▼
This particular error is that when you use a single output format character it does not have same meaning as when there are multiple characters, correct this particular web tag to:▼
<pre><#daylightlength format=%H></pre>▼
Please note that where this article makes reference to other pages in the Wiki, the information shown there might be specific to Cumulus 1, as there are differences between the user interface for Cumulus 1 and MX flavours of this software, and the Wiki was originally written before MX existed, so not all pages have been updated.▼
=A note of caution=
**any output parameter that contains incorrectly formatted characters in that output parameter will be treated as an error by the token parser (a common mistake is forgetting spaces are expected to be included with other literal characters by the MX token parser)
**if you use valid parameters but the wrong parameters, you are likely to be confused by the output (the most common cases result in seeing minutes where a month is wanted, or there is a misunderstanding of the concept where the same character has different meanings when on its own and when with other characters).
Cumulus MX provides many, '''but not all''' web tags that were available in Cumulus 1.
MX adds many more web tags, mostly in support of new weather stations or new sensors.
▲When MX is processing web tags and finds one it cannot understand, a "*** web tag error - see MXdiags file ***" message will appear in the engine console, and the diagnostic file will include something like this, be aware a "token" parser is used to evaluate web tags:
▲<pre>Web tag error
▲Exception: i=8998 len=106297
▲inputText.Length=106297
▲token=<#daylightlength format=H></pre>
▲This particular error is that when you use a single output format character it does not have same meaning as when there are multiple characters, correct this particular web tag to:
▲<pre><#daylightlength format=%H></pre>
▲''Please note that where this article makes reference to other pages in the Wiki, the information shown there might be specific to Cumulus 1, as there are differences between the user interface for Cumulus 1 and MX flavours of this software, and the Wiki was originally written before MX existed, so not all pages have been updated.''
=Cumulus 2=
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