5
votes
2answers
191 views

Does dissolving features improve geoprocessing efficiency?

I have a large set of line data (>140,000 features). Is there a processing advantage, in either time required or (more importantly) memory used: to running Dissolve on the data before running ...
1
vote
3answers
68 views

How to generate automatically the name of output parameters in a python script tool? [on hold]

I have some Python script tools in ArcGIS for Desktop. I need to reproduce what all geoprocessing tools do when the first input parameter is introduced: autogenerate a workspace and basename for the ...
4
votes
1answer
174 views

How to calculate X and Y projected coordinate in batch processing

I have more than 1000 shape files (all are point features). They were initially in WGS 84. I projected them in UTM. Then through batch processing I added X, Y fields in each table. But all the X, Y ...
2
votes
2answers
49 views

What is the most efficient method to iterate geoprocessing operations through an attribute table?

I want to calculate the clipped raster layer percentage for a shapefile consist of overlapping polygons, since ArcGIS doesn't support tabulate area for overlapping features, so I used a loop to ...
2
votes
1answer
32 views

Package Layer (Data Management) tool reporting error 000814?

I want to package layers using the Package Layer (Data Management) tool but I always get error 000814 indicates invalid output file type (I try to add the .lpk extension also the same error). The ...
1
vote
1answer
20 views

Extracting point data from Digital Raster Graphic (DRG) in ArcMap?

I am trying to run an IDW analysis based off stream and springs data. I have the hydrography.eoo file from GeoComm but am now wanting to create a point layer of the springs in the area which show ...
1
vote
1answer
32 views

Meaning of red cross icon next to Geoprocessing tool/model?

I am using ArcGIS 10.1 for Desktop. When I double-click on the toolbox command line, it is not working and appears as a red cross symbol in command tool icon. So please, what can I do?
1
vote
1answer
44 views

Export Polygons from Service Area tool using ModelBuilder?

I have created a service area in ModelBuilder. I have assigned a polygon to the "facilities". How do I export the service area polygon to a shapefile in ModelBuilder?
1
vote
0answers
17 views

Prediction of coastal change [closed]

I have vector data in coastal change for two separate years, like 1950 and 2000. I want to use GIS to create a "Prediction of coastal change" in 50 years, 2050. How do I figure out what is the shape ...
7
votes
1answer
113 views

What are the pros and cons of forcing square pixels on reprojection?

I am using Erdas Imagine 2014 to reproject 4-band raster data from GRS 1980 NAD83 Lambert Conformal Conic (ft) to UTM GRS 1980 NAD83 North UTM Zone 11 (m). Unlike ArcGIS, Erdas provides the option to ...
1
vote
1answer
42 views

Controlling Python Version from ArcGIS?

I am writing a VB.net console application that calls ArcGIS Desktop 10.1 ArcToolbox geoprocessing tools from my code. Some of these tools use Python syntax and I am encountering a problem that I ...
3
votes
1answer
38 views

Result Window in ArcGIS 10.1 is not Opening

I booted up ArcMap 10.1 today and found out the Results Window was not opening up. Background info: ArcMap is running through a virtualization program through at my company. Similar issue has ...
1
vote
1answer
44 views

Locating and using the FMV toolbox

I've just installed version 1.2 of the Full Motion Video Add-In, along with the new geoprocessing toolbox. After running the installation for the tools, it creates a folder on the C drive but does not ...
0
votes
0answers
34 views

analysis of srtm data for gaps

I need to analyse the SRTM DATA (1025 X 1025) of a particular terrain which has gaps or voids. Could anybody suggest a solution to find the percentage of gaps or voids in the SRTM data? I would like ...
1
vote
2answers
33 views

Set a split policy/rule on a field without domain in ArcMap

Can you define a split policy or split rule on a field without a domain? When a domain is involved, you can set the default value of the field and chose a rule for when a feature is split or merged. ...
2
votes
2answers
56 views

How to check whether an optional FeatureSet parameter was set by the user in a geoprocessing script tool?

I have created a custom geoprocessing script tool which contains an optional FeatureSet parameter. When unpacking the parameters in the script, the FeatureSet is defined as a RecordSet object, even ...
0
votes
0answers
67 views

How to work with shapefile with 110,000 points?

I have a very large shapefile. It has 110,000 parcels, represented as points. I'm not trying to do anything too advanced with it. Here's what I want to do: Join it with an Excel file, export it as a ...
2
votes
1answer
26 views

ArcPy Empty Buffers

I have written an ArcPy script to process a DTM into a point feature class to be used in Landform classification and ranking. It successfully produces what I need most of the time. Randomly the ...
2
votes
0answers
29 views

Control geoprocessing results related to default data values calculated for null inputs

I am looking for information on Default data values for the different data types in ArcGIS. We are running a series of Overlay Route Events (Linear Referencing) tool operations. If any of the values ...
2
votes
1answer
41 views

Automating polygon mergers with python

This is the first real world python program am trying to write. I am trying to create a scrip that takes a shapefile that has n polygons with an integer formatted date (e.g. yyyymmdd or 6/24/2014 is ...
0
votes
1answer
37 views

ArcGIS Linear Referencing successive overlay operations

I have 8 tables with RouteID, BeginMeasure and EndMeasure. I want to successively overlay them starting with the first two and then overlaying the result and the next table then the result of that ...
2
votes
4answers
127 views

How to create a feature class from the area in one layer not covered by another layer using ArcGIS?

I am working on a project doing spatial analysis at a statewide level. I am looking at a form of transportation coverage in a state, and part of my analysis involves buffers and drive time polygons. I ...
1
vote
2answers
41 views

Arcpy text strings as gp expressions

I’m using a while statement to count down from x until it = y. Each loop decreases x by 1. This variable (among other variables) is passed into a geoprocessing tool’s expression variable as a ...
3
votes
1answer
36 views

nx_spatial does not read all shapefile features

I have a polyline shapefile for a road network. The roads are split at every intersection (node), e.g. if two roads intersect at one point, then they are split into four links(edges). So using the ...
0
votes
2answers
72 views

Lengths of lines within individual but overlapping buffers?

I have a set of points for which I have created a 12 mile buffer. Eventually, I would like to know how many kilometers of road exist within each buffer zone individually? The problem I see going ...
0
votes
1answer
63 views

“Flattening” two shapefiles together

I have this big land use map. I extracted shapes associated with mountains so that I can improve the classification (for example, I corrected clouds in the mountains to be forest, among other things). ...
1
vote
1answer
55 views

ArcGIS: Assigning values to missing attribute data for line layers

I have a large road network layer with an AGE attribute associated per segment. In some occasions, I would have segments A -> B -> C with segment B with no value for the AGE field. In other ...
0
votes
1answer
41 views

Join by attribute when unique identifier has multiple rows using ArcMap 10.2?

I would like to join the attributes of one polygon layer to another polygon layer by their common ID. The problem is that in layer A, each ID has multiple rows, because each represent shapes from the ...
3
votes
1answer
57 views

Polygon Neighbors not found in Proximity Toolset of ArcGIS Desktop 10.0?

I cannot find the Polygon Neighbors tool. I have searched for it as I usually do and I have also browsed the proximity toolset but it is not there. The other Tools, e.g. Buffer and Near are there and ...
2
votes
0answers
67 views

Convert Arcpy results to feature class in ArcMap 10.1

I am using ArcGIS 10.1 and am a newbie in Python. Currently we are executing stored procedure (from sql server) through ArcPy in ArcMap. I want to create feature class from executing following python ...
1
vote
1answer
51 views

ArcGIS Geoprocessing “None Type” Second time

I am trying to publish an ArcGIS geoprocessing service in 10.2 I have a script setup that will run multiple times through Pycharm, but when I run it in ArcGIS it will run once and return this error: ...
1
vote
2answers
62 views

Create Shapefile of all overlapping features from single Shapefile

I need to create a Shapefile out of another Spahefile that consists all overlaps of features within the initial Shapefile. I'm sure there is a simple solution using ArcMap or QGIS, but at the moment ...
1
vote
0answers
59 views

Geocoding in 64 bits - background geoprocessing

I have 10.1 SP1 installed plus the background geoprocessing patch for 64 bit geoprocessing. Im trying to geocode a large file, so wanted to take advantage of 64 bits processing. My Surprise when i try ...
8
votes
2answers
248 views

ArcGIS 10: Create an event linear layer from a point layer based on directionality

I have a point layer that reflects the speed limits and a line layer of the roads. The location of the speed sign indicates in which direction the speed limit applies. How can I make linear event ...
1
vote
2answers
65 views

Clip for each feature

I want to clip a polyline feature class by a polygon feature class (buffers created from points). Several polygons overlap, so I want to get each polygon feature clipped with each polyline feature. ...
2
votes
0answers
53 views

How to move points to another polygon based on attribute?

I have a point layer and a grid cell/fishnet layer. Each point falls within a grid cell. Now I want to move some of the points to another (the nearest) grid cell based on an attribute that exists in ...
1
vote
0answers
113 views

ModelBuilder Output Creates .lock file and Cannot Overwrite When Ran a Second Time

I am having trouble overwriting an output shapefile from ModelBuilder. The model works great when ran the first time, but I get an '000210 : Cannot create output .' error if I re-run the model. The ...
3
votes
1answer
196 views

Is Clip (Data management) or Extract By Mask (Spatial Analyst) more efficient?

I'm trying to clip down an Orthophoto to a county boundary. I've been using the Extract By Mask Tool, but this process has been running for about 12 hours! It's gone through 2 cycles already, so I'm ...
2
votes
1answer
35 views

scratch workspace in-line variable, up one level?

So I'm building a model to be published as a geoprocessing service, and I'm trying to use the 'Save to Layer File' tool to create a symobolized result of my raster output. I've set both current and ...
0
votes
0answers
81 views

Euclidean distance tool issue,not obtaining output

I'm trying to perform an exercise but I'm not having the output that I was supposed to have. Which says this Procedure: Open ArcMap and load the Spatial Analyst extension: Customize → Extensions → ...
-2
votes
3answers
147 views

Use VB to calculate an area of a shape

I'm using Arcmap 10.1, running python 2.7 on a Windows 8.1 machine. I have a script that uses the arcpy.CalculateField_management function to calculate the area of a shape, however, for some reason ...
0
votes
1answer
169 views

Why does Field Calculator say failure during processing, check geoprocessing results window for details? [duplicate]

I am using the Field Calculator and keep receiving the following error: 'There was a failure during processing, check the geoprocessing results window for details'. I am not very tech-savvy but I have ...
0
votes
0answers
29 views

Extract aregular gride of points (x,y) values inside a polygon in arcgis10.2

This question may be frequently asked .But until know there is no clear answer . I need to extract a regular grid of points inside a polygon .In every time i construct several polygons from the ...
2
votes
1answer
86 views

How to Format Description when writing Help for Python script tool?

I try to format the description in script tool but I don't know how it works so i don't manage to add a line break for example. Does it works with HTML tags ? When editing my script the description ...
2
votes
1answer
66 views

How to intersect more than two layers? Is there a quick way?

We have three layers, income, obesity and fast food restaurants for England and we wanted to find districts where they all intercepted. So we did a combination of two layers at a time to find where ...
1
vote
0answers
53 views

ArcGIS Grouping Analysis Error

I am trying to run the Grouping Analysis tool from Esri's ArcGIS Spatial Statistics/Mapping Clusters toolbox. I have run the tool successfully on the same input layer using a different spatial ...
4
votes
1answer
45 views

How to enable adding both feature classes / tables and layers from TOC to a script tool parameter input?

I have developed a script tool which will allow a user to specify input feature class or table and then will process it. Surprised I haven't noticed this before: I cannot find which data type my ...
1
vote
1answer
50 views

How to maintain Shape_Length field afer Spatial Join of Point to Polyline feature classes?

I need to get for each point the length of the line that joining to the point. How to maintain the "Shape_Length" field of polylines when I'm Spatially Joining point to lines feature classes ? When ...
0
votes
2answers
170 views

Field calculator error and Geoprocessing results window empty

I need to use the field caculator for a new field that I have just added but I keep getting the following error: The problem is that when I open the Geoprocessing Results window is just completly ...
4
votes
1answer
169 views

Hydrology toolbox versus ArcHydro toolbox

I would like to do some watershed delineation research/development (at the County level) with our LIDAR generated DEM, after it is corrected, but am wondering what, if any, differences might result ...