ArcMap is the main application of ArcGIS for Desktop and the tag for that (arcgis-desktop) should normally be used in preference

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2
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3answers
177 views

How to get around “The field is not nullable” error?

I have a shapefile of lines. I want the angle of every line calculated in a field. I am using the script below in arcmap, but when it encounters a line that is horizontal, it stops calculating any ...
0
votes
0answers
12 views

different zoom level for same shapefile arcmap [duplicate]

I have a road Shapefile in ArcMap which includes three different type of roads highway, motorway, streets. I want to display all these roads at different scale. One way to do this is to create three ...
0
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0answers
33 views

Converting Titleblock from AutoCad .dwg into template for ArcMap Layout view?

We have a company standard template for figures in a CAD .dwg file, it is in paper-space (equivalent to layout view) in the CAD file. I would like to use the template without having to re-create it ...
5
votes
2answers
35 views

Selecting joined features

My question is very simple. I have a point feature class with attributes joined to the attributes of another point feature class. I would like to, if I select a feature in the target feature class, ...
1
vote
2answers
30 views

how to count polygons within a circle?

How do I specify the polygons inside a circle. I mean the polygons inside the circle completely and also the polygons that partly are inside the circles.
0
votes
0answers
16 views

Joining a Grid to spatial data

I am attempting to join a grid that I have constructed to points and lines within each individual cell. This way, if I click or move to a grid cell, the data displayed within the cell is displayed in ...
1
vote
1answer
53 views

Dissolving in ArcMap gives “Invalid Topology [Duplicate Segment.]”

I am attempting to use the dissolve tool on a shapefile, but it fails with the error: ERROR 999999: Error executing function. Invalid Topology [Duplicate segment.] I tried checking and repairing ...
1
vote
0answers
13 views

IRasterLayerExport3 doesn't save raster until ArcMap closes [closed]

I'm trying to export raster using IRasterLayerExport3, but it saves raster file only after closing ArcMap. It seams that IRasterLayerExport3 creates placeholders for raster (empty file - 3kb), and it ...
2
votes
1answer
31 views

Default attribute when merging two polygons in ArcMap?

When merging two polygons in ArcMap 10.3, it appears that the new polygon always inherits the attributes of the larger (by area) of the two input polygons, unless otherwise specified. Is this by ...
1
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0answers
34 views

Using arcpy.Geometry() and attribute table?

I have Polygon layer (*.shp) and I need to calculate shortest distance between every polygon's and save it into a txt file with ID (it is in attribute table) for every polygon. example of txt file - ...
0
votes
2answers
42 views

Displaying X, Y coordinates on ArcGIS not working

I am trying to geocode some coordinates I have from my Excel sheet onto ArcGIS but everytime I do so, it doesn't show up on the screen. When I right click on the sheet layer to see where it went, it ...
0
votes
1answer
39 views

Reshaping automatic polygon edge based on reference layer using ArcGIS for Desktop?

i have two polygon layer, one for Region administrative"Reference layer", and the second is administrative border is governorates. Governorates border is not identical with Region border. So there is ...
2
votes
1answer
52 views

Generating random points stratified by category within sampling hexagons using ArcGIS for Desktop?

I am trying to use two different layers together to generate a layer of random points that represent sample sites. The two layers are: A grid layer of hexagon-shaped polygons created using the ...
3
votes
1answer
61 views

Too many zones for Zonal Histogram?

I have 45 tif tiles each of 20-50MB and a single shp file with about 4000 polygons. I want to run zonal histogram in Arcmap 10 to get the number of pixels with each value for each polygon. If I ...
0
votes
3answers
38 views

Cropping large DEM data file and save as separate file using ArcGIS for Desktop?

How do I crop a section of the US map I am working on from the larger DEM data and save as a separate file on ArcMap 10.2?
1
vote
1answer
41 views

How to get parcel polygons to match up?

I have county-wide parcels that don't match up. They are in the same feature dataset, have same projection etc. Is there a tool to get the borders/parcels to match? One layer of parcels seems to be ...
0
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0answers
16 views

How to Install ArcObjects? [duplicate]

I'm looking to install ArcObjects so I can write an ArcMap add-in in .Net. Where can I find a download for ArcObjects?
0
votes
0answers
35 views

Turning off Show Field Aliases option on attribute table permanently in ArcMap?

I'm wondering how you turn off the "Show Field Aliases" option permanently under the "options" drop down on the attribute tables that pop up for different features. I know you can just click on it to ...
2
votes
2answers
73 views

Creating coordinates from beg and end points on a line [duplicate]

Is it possible to create WGS-1984 coordinates from the start and end points along a line segment? The line features were created using linear referencing but now I need to create lat and long ...
1
vote
3answers
72 views

Hiding Overlapping Lines in ArcMap?

I am trying to figure out the best solution to hide overlapping lines. I have a layer of polygons representing crustal plates. I have a polyline layer of fault lines that overlap some of the polygon ...
0
votes
1answer
44 views

Polygon construction Do's and don'ts Advice?

I am working on two polygons. One is Forest layer that has the ownership and I have another polygon that has the fire perimeter. I need to build polygon construction to cut out some of them like we ...
0
votes
0answers
18 views

SearchCursor to find a feature that intersects 5 of another feature?

I am using ArcMap 10.2.2. Currently my code looks like this: count = 0 features = arcpy.da.SearchCursor(fc, subtype) for feat in features: if feat == (100161,): count += 1 print count ...
1
vote
2answers
62 views

Spatial Query between polyline features and point features within specified Buffer

I'm new to GIS (so I'm lost on this) and looking for a C# code sample to help me do 2 types of spatial queries. I have 2 Layers only. First layer is pipelines, which are polyline shapes so I can ...
0
votes
1answer
39 views

Add Layers to Arcmap 10 Crashes

Would anyone know the reason why this happens? and possibly a way to fix it. I am stumped In the following code. The first addlayer works, but crashes on the second addlayer with a 'vshost32.exe has ...
1
vote
1answer
43 views

Extract by mask: extract only those cells not covered by mask

I have two raster files of the same resolution: raster A and raster B. Raster A is the bigger raster and raster B covers some parts of raster A. I want to extract those grids from Raster A which are ...
0
votes
2answers
59 views

how to add minus sign value to label?

Using ArcMap, I've made a map with graduated colours, labeling them with the same attributes value. The colours display correctly, but the labels don't show the negative sign. For example: Red ...
-1
votes
1answer
39 views

Trying to select, copy and paste just one feature in ArcMap 10.3. ArcMap copies and pastes the entire dataframe instead

Using ArcMap 10.3, I'm trying to copy a feature I just created using Editor>Create Features, and paste it into the same layer several times. I click on the feature using the small Editor arrow, ...
3
votes
2answers
160 views

Problem creating parameters for a tool

I am still an arcpy newbie, but I think I have a basic understanding of fundamentals including syntax, variables, modules, etc. My question is regarding the usage of parameters while creating a tool. ...
1
vote
0answers
14 views

Trying to perform kernel density analysis but obtain: 'error all input points identical' or 'error in executing grid expression' [duplicate]

I am trying to perform a density analysis of a point shapefile on ArcMap. I am unsure of what to insert for population field. I've tried the actual number of people in the census tract where my point ...
-1
votes
1answer
29 views

Converting UTM55 to WGS84 in ArcMap? [closed]

I've got a raster in UTM55 over Australia and I would like to convert it to WGS84. Any idea how to do it ? The problem starts when ArcMap recognize it as 'Geo-Reference' only and not as UTM55, so I ...
0
votes
0answers
19 views

How to script downloading and cleaning CSV so that it is readable in ArcMap? [duplicate]

I am very new to GIS Programming and find myself having to download CSV files from the Internet and scrubbing them (ex: removing special characters or spaces from field names) so they are readable in ...
1
vote
1answer
27 views

How to create a Terrain from a Multipoint file if the “New Terrain Wizard” is missing?

I created a multipoint file using the tool "LAS to Multipoint" in ArcMap. After it was done processing, I went to my geodatabase, right-clicked and attempted to created a terrain. However, the wizard ...
1
vote
1answer
44 views

Creating contours from DEM for multiple files using ArcMap ModelBuilder?

How can i create an ArcMap model in ModelBuilder to iterate through a folder and applying contouring tool on all tif DEM files on that folder.
0
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3answers
114 views

Why is my DEM in ArcScene flat, not 3D?

I am working with Digital Elevation Models in format TIFF 2km * 2km. As far as I know DEMs should have a 3d function but in my case the DEMs are flat. They only look 3d because of the hill shading. ...
1
vote
0answers
39 views

Raster to ascii tool converting all data to one value (ArcMap)

I am having an issue when converting a raster to ascii. With extract by mask I have selected the area I am interested in and subsequently resampled the data from 5km to 2 by 2 m (required for use in ...
1
vote
1answer
86 views

Split a polygons into many polygons based on points using ArcMap

I have: A polygon feature that is a national park boundary, A multi-point feature that are security guard posts (number = n ) of the same park. I want to divide the national park area into 'n' ...
0
votes
2answers
47 views

Labeling on Symbology in Table of Contents of ArcMap?

I have to recreate a map from one I have found on the internet as close as possible for an assignment and can anyone tell me if there is some way to change the labeling in the TofC? I'm doing a map ...
3
votes
0answers
26 views

Creating coloured map from Excel using ArcGIS for Desktop? [duplicate]

I have an Excel file with some data and I want to create a map and present data with colours. I do everything well except for I present my data with dots. Instead, I need to cover the free space with ...
1
vote
1answer
42 views

coordinates in Australia not lining up

I have the following set of points (there are far more). Originally they were given to me without any decimals. I was able to correctly plot them into arcmap however they don't line up with my other ...
1
vote
2answers
45 views

Dissolving contiguous clusters of polygons and identifying them separately in attribute table of ArcGIS for Desktop?

I have a layer comprised of about 500,000+ simplified polygons that resulted from converting raster cells to polygons with raster cell values assigned to them. When I select the resultant polygons by ...
0
votes
2answers
86 views

Symbolizing polygon fill color based on HTML hex color attribute value in ArcMap?

I have a set of polygons that I need to symbolize with a certain color. I have an column in the attribute table that contains the contains the html hex color value (#FF0000 Red) that I want the ...
2
votes
2answers
54 views

Place point label perpendicular to line segment

I have a point shapefile with attributes and I want to make the label be perpendicular to a line shapefile, is this possible? Basically my points represent houses and I want the house label to show up ...
0
votes
0answers
28 views

Finding nearest point on polygon if layer has more than one polygon using ArcMap AddIn?

I am developing an application using ArcGIS .net add-in. An application generates some maps based on point and polygon datasets. In that, I am able to find the polygons within the search distance. ...
0
votes
1answer
31 views

Finding whether point on polygon or not in ArcGIS VB.NET?

I am working on GIS application. I am trying to find whether a point is located within a polygon or not. I have written a piece of code for this using Relational operator but the Contains() method of ...
0
votes
4answers
54 views

When to use ArcPy over ArcMap GUI?

I've recently began trying out basic geoprocessing tools by using arcpy (clipping layers, buffering, etc). However, this seems slower than using the ArcMap GUI. Are there any advantages to using ...
0
votes
0answers
19 views

View With SDO_GEOM Function for ArcMap

I have a table of boundaries(polygons) which need to be served up through ArcGIS Server with their centroids(points). I'm using Oracle spatial and thought the most efficient way of doing this was to ...
1
vote
1answer
44 views

Using ArcGIS Feature Compare in ArcPy?

I am trying to write a script partially in ArcGIS ModelBuilder and adding an if statement on my own. It uses the Feature Compare tool in arcgis and I want to use the result.getOutput in an If ...
0
votes
0answers
53 views

ESRI Web AppBuilder - custom attribute - only show fields that contain values

Is there a way to only show fields that have a value, i.e. are not NULL, in the Web AppBuilder Web Map pop-up? If this can't be done in the Web Map can it be done in the mxd attribute table? I have a ...
1
vote
2answers
60 views

Unable to open IWorkspace using IWorkspaceFactory with operating system authentication

I'm trying to open a workspace from the IWorkspaceFactory interface. Here's what I'm trying at the moment: ESRI.ArcGIS.Carto.IFeatureLayer featureLayer = (ESRI.ArcGIS.Carto.IFeatureLayer)pLayer; ...
0
votes
0answers
74 views

Adding barriers with time windows in ArcGIS Network Analyst?

At the moment I'm creating a route network in ArcGIS Network Analyst. It will be used for navigating on the water. On the water there are a lot of different barriers. Think of low bridges, locks or ...