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up vote 3 down vote favorite

I used to run this length calc on my data in ArcGIS 8 and 9, and now it don't work in ArcGIS10. Can you tell me what I have done wrong?

Dim dbllength as double
Dim pcurve as icurve
Set Pcurve = [shape]
Dbllength = Pcurve.Length
Length = dbllength
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2 Answers

up vote 2 down vote

do you mean inside the field calculator?

in this case I suggest you to use python because starting from 10.0 it's the "official" language supported in ArcGIS

10.0 is the last ArcGIS version that uses VBscript, staring from 10.1 it will be deprecated and unsupported

with Python in field calculator you have to use !Shape.length! or !Shape.area! (Python "!" replace VBScript "[")

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Actually, Esri documentation actually states that 10.0 will be the last DESKTOP version to support VBA (as opposed to VBScript, will still be supported). "ArcGIS 10.0 is the last release with full Microsoft Visual Basic for Applications (VBA) support. With ArcGIS 10.1 we will no longer support VBA development." See page 2 under ArcGIS Desktop 10.0: resources.esri.nl/downloads/ArcGIS_10_Deprecation_Plan.pdf. However, ArcGIS SERVER will no longer support VBScript after 10.0. – RyanDalton Nov 14 '11 at 21:35
You're right but as far as I know VbScript is based on vba support and in turn I'm quite confident it will be discontinued from 10.1 – robymes Nov 15 '11 at 8:25
up vote 4 down vote

it is much easier now in 10.
Right click on the length field and select calculate geometry.
length1
you can select the pcs of the data or the document,
then select the units.
length2

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