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List: fdo-internals
Subject: RE: [fdo-internals] Request review of
From: Dan Stoica <dan.stoica () autodesk ! com>
Date: 2008-11-05 18:08:06
Message-ID: DA0852F75CE14144AB6208824F1F924D38300094AD () ADSK-NAMSG-02 ! MGDADSK ! autodesk ! com
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Ok. I had another look at Orest's proposed list of functions and sounds goo=
d.
Dan.
From: fdo-internals-bounces@lists.osgeo.org [mailto:fdo-internals-bounces@l=
ists.osgeo.org] On Behalf Of Robert Fortin
Sent: Wednesday, November 05, 2008 12:33 PM
To: FDO Internals Mail List
Subject: RE: [fdo-internals] Request review of RFC28-AddStart/EndExpression=
Functions
I'm not sure why you are saying that it will make it more difficult to add =
function in the furture: these are completely independant functions.
X() doesn't need PointN() and PointN() doesn't need X().
RF
From: fdo-internals-bounces@lists.osgeo.org [mailto:fdo-internals-bounces@l=
ists.osgeo.org] On Behalf Of Dan Stoica
Sent: Wednesday, November 05, 2008 12:24 PM
To: FDO Internals Mail List
Subject: RE: [fdo-internals] Request review of RFC28-AddStart/EndExpression=
Functions
This shortcut will make it difficult in the future to add more functions as=
agreed.
As opposed to having a PointN() implemented which makes easy to build on.
Dan.
From: fdo-internals-bounces@lists.osgeo.org [mailto:fdo-internals-bounces@l=
ists.osgeo.org] On Behalf Of Robert Fortin
Sent: Wednesday, November 05, 2008 12:17 PM
To: FDO Internals Mail List
Subject: RE: [fdo-internals] Request review of RFC28-AddStart/EndExpression=
Functions
Jason is correct. The use case I'm concerned with is using single point ge=
ometry so I don't need the rest.
PointN(<single point geometry>, 1) is equal to the point geometry itself.
RF
From: fdo-internals-bounces@lists.osgeo.org [mailto:fdo-internals-bounces@l=
ists.osgeo.org] On Behalf Of Jason Birch
Sent: Wednesday, November 05, 2008 11:59 AM
To: FDO Internals Mail List
Subject: RE: [fdo-internals] Request review of RFC28-AddStart/EndExpression=
Functions
You can have an X(geometry) that returns null for non-points. Unless the E=
ndPoint is important.
From: fdo-internals-bounces@lists.osgeo.org [mailto:fdo-internals-bounces@l=
ists.osgeo.org] On Behalf Of Dan Stoica
Sent: Wednesday, November 05, 2008 08:53
To: FDO Internals Mail List
Subject: RE: [fdo-internals] Request review of RFC28-AddStart/EndExpression=
Functions
Then you cannot have only X(geometry). In addition a PointN() function is n=
eeded as well.
Dan.
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<p class=MsoNormal><span style='color:#1F497D'>Ok. I had another look at \
Orest’s proposed list of functions and sounds good.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Dan.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span \
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span \
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> \
fdo-internals-bounces@lists.osgeo.org [mailto:fdo-internals-bounces@lists.osgeo.org] \
<b>On Behalf Of </b>Robert Fortin<br>
<b>Sent:</b> Wednesday, November 05, 2008 12:33 PM<br>
<b>To:</b> FDO Internals Mail List<br>
<b>Subject:</b> RE: [fdo-internals] Request review of \
RFC28-AddStart/EndExpressionFunctions<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:blue'>I’m not sure why you are
saying that it will make it more difficult to add function in the furture:
these are completely independant functions.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:blue'>X() doesn’t need PointN() and
PointN() doesn’t need X().<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:blue'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:blue'>RF<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:blue'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span \
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span \
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> \
fdo-internals-bounces@lists.osgeo.org [mailto:fdo-internals-bounces@lists.osgeo.org] \
<b>On Behalf Of </b>Dan Stoica<br> <b>Sent:</b> Wednesday, November 05, 2008 12:24 \
PM<br> <b>To:</b> FDO Internals Mail List<br>
<b>Subject:</b> RE: [fdo-internals] Request review of
RFC28-AddStart/EndExpressionFunctions<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:#1F497D'>This shortcut will make it
difficult in the future to add more functions as agreed. <o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>As opposed to having a PointN()
implemented which makes easy to build on.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Dan.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span \
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span \
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> \
fdo-internals-bounces@lists.osgeo.org [mailto:fdo-internals-bounces@lists.osgeo.org] \
<b>On Behalf Of </b>Robert Fortin<br>
<b>Sent:</b> Wednesday, November 05, 2008 12:17 PM<br>
<b>To:</b> FDO Internals Mail List<br>
<b>Subject:</b> RE: [fdo-internals] Request review of
RFC28-AddStart/EndExpressionFunctions<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:#993300'>Jason is correct. The use
case I’m concerned with is using single point geometry so I don’t
need the rest.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#993300'>PointN(<single point
geometry>, 1) is equal to the point geometry itself.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#993300'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#993300'>RF<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#993300'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span \
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span \
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> \
fdo-internals-bounces@lists.osgeo.org [mailto:fdo-internals-bounces@lists.osgeo.org] \
<b>On Behalf Of </b>Jason Birch<br> <b>Sent:</b> Wednesday, November 05, 2008 11:59 \
AM<br> <b>To:</b> FDO Internals Mail List<br>
<b>Subject:</b> RE: [fdo-internals] Request review of
RFC28-AddStart/EndExpressionFunctions<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span lang=EN-CA style='color:#1F497D'>You can have an
X(geometry) that returns null for non-points. Unless the EndPoint is
important.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA \
style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span \
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span \
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> \
fdo-internals-bounces@lists.osgeo.org [mailto:fdo-internals-bounces@lists.osgeo.org] \
<b>On Behalf Of </b>Dan Stoica<br> <b>Sent:</b> Wednesday, November 05, 2008 \
08:53<br> <b>To:</b> FDO Internals Mail List<br>
<b>Subject:</b> RE: [fdo-internals] Request review of
RFC28-AddStart/EndExpressionFunctions<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><span lang=EN-CA><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Then you cannot have only </span><span
style='color:purple'>X(geometry). </span><span style='color:#1F497D'>In
addition a PointN() function is needed as well.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Dan.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
</div>
</body>
</html>
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