Latest Contributions by DuncanHornby

‎10-26-2011

Tim, I don't program in c# so when I looked at your code I noticed something that I would not do. So this could be a red herring and may be what you are doing is simply slicker than how I program? Anyway the line that I thought unusual was: while ((feature = cursor.NextFeature()) != null) I don't know if this is a preference thing but I would have done (in VB): pFeature = pCursor.NextFeature do while not pFeature is nothing counter = counter +1 pFeature = pCursor.NextFeature loop So the retrieving of the feature that you are testing is done in the loop and not on the line that is evaluating if it is nothing. Duncan

‎10-19-2011

Tony, Exporting the model to a script does show the field mapping parameter. But I agree it's not clear how you would construct that string in a programmatic way. Looking at the Help file it talks about a fieldmappings object being a collection of fieldmap objects but nothing seems to show that long string that the tool builds. Maybe a simpler alternative is to use a Make FeatureLayer tool to turn on/off fields and then the Copy Features tool? Duncan

‎10-18-2011

Tony, A very simple way to work out how to set up your field map is: Start Arcmap and load your table and layer In Arcmap join your table to your layer Start a new blank model Drop a FeatureClassToFeatureClass tool on your model Open this tool and complete it setting all the options (this includes your field mapping) Export the model to a Python script from the Model > Export menu option Open that script and discover the syntax of the tool which is using your data! Duncan

‎10-18-2011

I think you need to reset the second feature cursor with each loop of your first feature cursor. You code should look like: Dim pFCursor As IFeatureCursor Set pFCursor = pFeatureClass.Search(Nothing, True) Dim pFCursor2 As IFeatureCursor Dim pFeature As IFeature Dim pFeature2 As IFeature Dim pPointA As IPoint Dim pPointB As IPoint Set pFeature = pFCursor.NextFeature Do Until pFeature Is Nothing Set pPointA = pFeature.Shape MsgBox pFeature.Value(intPosFID) & "F1" Set pFCursor2 = pFeatureClass.Search(Nothing, True) Set pFeature2 = pFCursor2.NextFeature Do Until pFeature2 Is Nothing Set pPointB = pFeature2.Shape MsgBox pFeature2.Value(intPosFID) & "F2" Set pFeature2 = pFCursor2.NextFeature Loop Set pFeature = pFCursor.NextFeature Loop Duncan p.s. Please place your code samples inside the code tags (the # symbol on the toolbar)

‎10-18-2011

Josh, In 9.3 the sequence would be to listen out for the onCreateFeature event in the IEditorEvents Interface. This gives you a handle on the the feature you just drew and through this you can gain access to the attributes of the feature which you update. If you are using Domains on fields then you'll want to access and read those values into your combobox on your form, check out the IDomain Interface. If you are using 10 it maybe different as Templates now exist, not sure how they complicate things. Duncan

‎10-17-2011

Josh What you are asking is fairly easy, you could even knock up a form quickly in VBA. But you should consider something else if stream lining data entry (and thus quality) is your prime concern, you should be using Domains. One thing that will improve your data entry is to have your dataset as a FeatureClass in a GeoDatabase. You can then set domains on the beetle and release fields. You cannot do this for Shapefiles. This would control exactly what goes into those fields. Little drop downs appear on the Table in those fields. Duncan

‎10-17-2011

All, I can't find the interface that allows me to change the default geodatabase of an existing MXD, does it even exist? I found this thread but the Interface seems to be related to changing the default geodatabase at the Application level not an existing MXD. Our network structure forces us to have a roaming profile with my documents there. This has serious detrimental affects on the performance of ArcMap and any geo-processing tools (very slow) but we found out that by setting the MXD's default database to one on the C:\ drive the tools speed up significantly. So I was looking for a way to batch process the update of this map document property but I am unable to find are hook into it! Any ideas? Duncan

‎10-17-2011

Tony, The problem is your FeatureClassToFeatureClass tool. In your code you create a string called expression. First thing to note is that this line is wrong expression = "ACCOUNT", "OwnerName", "Address", "City" , "State", "ZipCode" it is creating a list object. I am assuming your intention is to limit the fields to the final dataset to these? This would be the field mapping parameter not the where clause parameter. expression = "ACCOUNT,Ownername,Address" would create a single string. Secondly the parameter order of FeatureClassToFeatureClass is incorrect. If you read the help on this tool it is where clause then field mapping. As you want to limit the fields you need to specify the where clause which I assume is nothing so a simple "" should suffice. So before you do anything fire up help and study the parameter order and their specifications to get the code working. Duncan

‎10-17-2011

James, It would help us to help you if you post up your model. Duncan

‎10-17-2011

Frank, I don't program in Java, may be others do but I think it would help if you post up your code so the Java gurus can have a look at it? Duncan

‎10-10-2011

It looks like you are almost there. All you need to do is create the attribute fields you wish to populate in your output dataset. You do this by using the AddField tool and do that after you have called the createfeatureclass tool. You already have the code to extract data from your input file so you simply extract your attributes and write these to your new output row which you are calling feat. If you can't work out how to do that then upload a sample of your input file so people can see what fields you are wanting to pass to your output dataset. Duncan

‎10-10-2011

Have you tried contacting the Author of this script, they would have the best chance in correcting the error? You can contact them from the Arcscript page.

‎10-10-2011

Search help for "RemoveLayer" it's a method in the arcpy mapping module.

‎10-10-2011

Alex, Below is some VBA code that I think achieves what you are asking. Interestingly it does not seem to adjust the setting in the dataframe > Properties > General > Units(display) drop down. Duncan Public Sub test() Dim pMXDoc As IMxDocument Set pMXDoc = ThisDocument Dim pLatLonFormat As ILatLonFormat2 Set pLatLonFormat = New LatLonFormat With pLatLonFormat .ShowDirections = True .ShowZeroMinutes = True .ShowZeroSeconds = True End With Dim pReportUnitFormat2 As IReportUnitFormat2 Set pReportUnitFormat2 = pMXDoc pReportUnitFormat2.CoordinateReadoutUnits = esriDecimalDegrees Set pReportUnitFormat2.CoordinateReadoutLatLonFormat = pLatLonFormat End Sub

‎10-03-2011

I would like to see a simple addition to the context menu in the Table of Contents. If you click on the little button List by Source in the TOC you see your layers organised by their source location. Some of my layers use Domains on fields to control the entry of data. Domains are stored at the GeoDatabase level. The only way to view these are to go the GeoDatabase in the Catalog window and enter the properties window of the GeoDatabase. You cannot get to this properties window from the TOC when in List by Source mode. So I would like to see a new option when one right clicks on the geodatabase in the TOC (when in List by Source mode) to open location in the Catalog Window at which point I can drill down into the properties and edit my Domain. At the moment I have to manually open Catalog and navigate to the appropriate location where the GeoDatabase is and most of my MXD's are linking to multipe GeoDatabases across multiple drives.

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My Ideas

Latest Contributions by DuncanHornby

Re: Choice of esriSpatialRelEnum can slow IFeatureCursor NextFeature performance

Re: Help with Feature Class To Feature Class

Re: Help with Feature Class To Feature Class

Re: Using a nested loop

Re: Editing form (Beginners Questions of using VB.NET)

Re: Editing form (Beginners Questions of using VB.NET)

How to programatically change the default geodatabase of an MXD

Re: Help with Feature Class To Feature Class

Re: Model Builder %value% add layer to map

Re: Extract raster cells by polygon using Java ArcObjects

Re: Create a line with attributes based on origin and destination points with Python

Re: Huff Model

Re: Remove a Layer usinng Python

Re: Set map units or override units to DMS

Open dataset location in the Catalog Window

Re: Modelbuilder - Get Field Value tool won't list...

Re: Is the new ArcGIS Pro 3.6 model builder comple...

Re: Extract by Attribute Won't Work

Re: Mobile or File Geodatabase Views: Grab earlies...

Re: Legend will display all layers even when deact...

Coordinate Reference Systems

ArcGIS Arcade