in_memory workspace best practices?
This is a discussion post. I've been very conservative with my use of the in_memory workspace, mostly using it to set up tables and add and delete fields quickly and conveniently. However at 10.1, we...
View ArticleError HRESULT E_FAIL has been returned from a call to a COM component.
Hi, I am writing a small code to calculate the minimum distance between a point and a curve using the near tool in ArcGIS . The code is as follows Imports ESRI.ArcGIS.Geoprocessor Imports...
View ArticleScratch Folder, Scratch GDB for ArcGIS 9.x and 10.0
I ran into an issue that was solved by the new arcpy.env.scratchFolder functionality to force working in a folder. Unfortunately I was using 10.0, not 10.1. So, I created some Python functions that...
View ArticleUsing "Near" with Java SDK
I'm using the Java SDK. I want to determines the distance from a point (defined in an input shapefile) to the nearest point amongs many points (in another shapefile). Unfortunately, these 3 lines of...
View ArticleCreating a Line Feature from Point Features Using ID's
Hello, I am trying to create a script which will allow me to develop a line feature from a set of x, y points. As of now my data are all contained in dbf files. I have one set of data in the following...
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joining polylines
Hello, could you please help me to join two features (geometry type: polyline), knowing that these datasets do no have common parts (they are disjoint)? Which ArcGIS tool would be appropriate to solve...
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Text String as input parameter
Hello All, I have a model that runs a two different processes and I would like to have which process to be run based on a user input. I have done this before by using a feature dataset allowing the...
View ArticlereplaceDataSource error
I have a python script that replaces layers in an mxd file. It checks for the existence of the SDE layer and if it exists, writes it into the mxd file. If it doesn't exist, it writes a different SDE...
View ArticleDisplaying Geoprocessing Results
I can't get the results to display to ArcMap when running my model from the tool dialog box. I can only get the results to display when running the model from the model builder window. I do have the...
View ArticleSymbology
Hello All, Is there a way to symbolize a layer by attribute in model builder and then outputting the result? if so Where do I start? Thanks Eric
View ArticleWater quality interpolation along the length of a river within a river polygon
I'm a GIS undergrad student involved with a project where I'm tasked with interpolating water quality data along a winding river (around 500km long but with a focus of a ~100km reach). I'm working...
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Transfering Attributes between Overlapping Polygon Layers ??
Okay, I've attached a screen shot to help explain what I'd like to do. I have a Parcel Polygon layer (which you can distinguish below by the red lines and PIN labels) and I also have a Landuse layer,...
View ArticleClear Selected Features tool?
Is there a Clear Selected Features tool that can be used in a model?
View ArticleIs it possible to dissolve in a version?
My goal is to dissolve a feature class in a version and then reconcile and post in 10.0. I don't see that the output fc can be in a version. I tried it anyway, in ArcMap with input fc sourced to a...
View ArticleString Concatenation
Hello All, I am just wondering if you can Concatenate two String data elements together in model builder and how you might do that? Thanks Eric
View ArticleHow to make a new polygon/feature from a point which is NOT a centroid?
Spent all morning searching help sites and digging through the FAQs and worksheets but have failed miserably. I am an Arc novice so I hope this isnt too much of a "newbie" question but I'm trying to...
View ArticleAutomating optimal placement of horizontal wells
Hello, I am a GIS student completing a project for determining the optimal placement of horizontal wells (drilling) based on a set of engineering rules. The project is for an external client and not...
View Articleclosest facility
hello, Using network analyst in a model builder I wish to find the closest facility (say 3 medical facilities) to another point (say accident point, generated when my model runs). I want that when the...
View ArticleHow to find proximity of points within same feature class?
I have a point feature class called "weeds." The feature class contains multiple species. I need to identify (and ultimately combine) points that are A) of the same species and B) within 100 feet of...
View ArticleArcTool: simulating 'Use selected features' option
I have an ArcTool that runs a Python script. One thing I've always liked about out-of-the-box tools in ArcMap is that they often have the 'Use Selected Features' checkbox. If nothing else they warn the...
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