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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>There seems to be a difference in the way ESRI uses
precision and scale to that of OGR. I don’t know which is right.
I am using the c# libraries include in the FWTools.2.0.3. </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>OGR does not appear to have a data type of Double when
displayed in ArcMap. The stored attribute value appear correct but the
parameters are different</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I defined the double field as:</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal style='text-indent:.5in;text-autospace:none'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>fieldDef
= <font color=blue><span style='color:blue'>new</span></font> <font color=teal><span
style='color:teal'>FieldDefn</span></font>(“LATITUDE”, <font
color=teal><span style='color:teal'>FieldType</span></font>.OFTReal);</span></font></p>
<p class=MsoNormal style='text-indent:.5in;text-autospace:none'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>fieldDef.SetWidth(8);</span></font></p>
<p class=MsoNormal style='text-indent:.5in;text-autospace:none'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>fieldDef.SetPrecision(38);</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>and ArcMap shows Type = Float, Length = 8, Precision = 7,
and Scale = 38</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Also the DateTime fields are not getting set. If I use
the</span></font><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'> DisplayFeature method in the c# createData.cs
example, the date time fields appear to be set properly (2006/10/10 9:00:00) but
is I use ogrinfo –al the the date fields are not set.</span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'> </span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>I have defined them as follows:</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal style='text-indent:.5in;text-autospace:none'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>fieldDef
= <font color=blue><span style='color:blue'>new</span></font> <font color=teal><span
style='color:teal'>FieldDefn</span></font>(“DATE_TIME”, <font
color=teal><span style='color:teal'>FieldType</span></font>.OFTDateTime);</span></font></p>
<p class=MsoNormal style='text-indent:.5in;text-autospace:none'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>fieldDef.SetWidth(36);</span></font></p>
<p class=MsoNormal style='text-indent:.5in;text-autospace:none'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>fieldDef.SetPrecision(0);</span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> </span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>ArcMap shows Type = Date
Length = 8, Precision = 0; scale = 0</span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> </span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>And I set the value with:</span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> </span></font></p>
<p class=MsoNormal style='text-indent:.5in;text-autospace:none'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>fieldIndex
= featureDef.GetFieldIndex(shapeFieldList[3].fieldName);</span></font></p>
<p class=MsoNormal style='text-indent:.5in;text-autospace:none'><font size=2
color=blue face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:blue'>if</span></font><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> (fieldIndex >= 0)</span></font></p>
<p class=MsoNormal style='text-indent:.5in;text-autospace:none'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>{</span></font></p>
<p class=MsoNormal style='text-indent:.5in;text-autospace:none'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>feature.SetField(fieldIndex,
minDate.Year, minDate.Month, minDate.Day,</span></font></p>
<p class=MsoNormal style='text-indent:.5in;text-autospace:none'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>minDate.Hour,
minDate.Minute, minDate.Second, 0);</span></font></p>
<p class=MsoNormal style='text-indent:.5in;text-autospace:none'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>}</span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> </span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>I also tried:</span></font></p>
<p class=MsoNormal style='text-indent:.5in;text-autospace:none'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>feature.SetField(fieldIndex,
minDate.ToString("yyyy-MM-dd HH:mm:ss"));</span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> </span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>but it didn’t work
either</span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> </span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Any thoughts as to what I am doing wrong would be greatly
appreciated.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Bruce</span></font></p>
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