Questions tagged [arcmap]

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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24 views

Vertices only showing up in a small portion of data view when editing

When I'm trying to edit features, or even digitize new features, the vertices or new lines only show up in the bottom right corner of the data view. I've tried restarting ArcMap and making sure only ...
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1answer
31 views

Syntax error during calculate field between two long integer fields

I keep getting an error when trying to run a calculate field section of my code. I'm trying to simply add values from two long integer fields (Speed and Lanes) into a newly added field (Stress_Calc). ...
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1answer
20 views

Calculating mean index value of raster for grid cell map using ArcMap

I have a raster index map and and also a polygon fishnet. I would like to assign mean index value into the grid cells. How can I do that in ArcMap?
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21 views

Selecting polygons that meet minimum containment of certain raster cell value using ArcGIS Desktop

I have a census block shapefile with a land cover TIFF underneath it. The Raster layer has three different cell values. I am trying to select the census blocks that have a minimum of 50% of cells ...
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1answer
33 views

ArcGIS Pro vs ArcMap - capabilities in Map not available in Pro

Is there anywhere I can find a listing of features in ArcMap that are not yet available in ArcGIS Pro? It would save a lot of frustration & wasted time searching for things that haven't yet been ...
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1answer
34 views

How to use field calculator in this situation [closed]

How to use this formula in field calcultor in ArcMap. for example: A = Field1 B = Field2 if A =<B C = B else: C = A
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1answer
20 views

Labeling feature class using ArcMap

I work with ArcGIS Desktop (latest version). I have a feature class called "space" that should be labeled. The label should look like this [room number] + "/ n" + [person] (python). But my problem is ...
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1answer
36 views

Implementing ArcPy codeblocks

I have tried examples from the GIS support website and many more, but I cannot figure out how to get a codeblock for a field calculation to work within ArcPy. Part of my code is underneath, it is a ...
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16 views

Calculating Nth percentile from table in ModelBuilder of ArcMap

I am trying to build a complex tool, using ModelBuilder and I am new at this. I have two feature classes full of polygons. The first contains 1300 polygons, dividing a city in zones (ex: residential, ...
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1answer
38 views

Recreating this cartographic style in ArcMap

I am trying to recreate this symbology as shown in the image below. I came across this image on ESRI's service area analysis help page. From my previous experience and intuition, I can say that ...
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19 views

Identify local variation in a raster DEM

I want to identify local height variation in a high resolution DEM, so that the DEM is divided into 5 classes (1 being a sink and 5 being a peak). I then want to transfer this information to an ...
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42 views

ArcMap: How to flip digitized directions of geometry based on route measures

I have a feature class that has a schema like: routeId, fromMeasure, toMeasure, attr1,attr2..etc within a given routeId, the segments flip directionaility many times and are not consistent. I would ...
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28 views

Choosing coordinate system for US East Coast Area in ArcMap

I'm currently doing a project where I need to use distance analysis (Analysis Tools -> Proximity -> Generate Near Table) to do a distance table. This is not the problem, but I'm having a hard time ...
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1answer
20 views

How to export ArcMap model parameters to an Excel file?

I have a model where the user inserts different model parameters like "Name", "Elevation", "Threshold A", "Threshold B" and so on. Based on this, features get selected, saved to .xls files where they ...
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21 views

Delete all identical records from each set of identical records

I have intersected a point and a polygon layer and I would like to remove all cases where two or more points intersect with the same polygon. I do not want to keep one row of each duplicate, but ...
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1answer
21 views

Finding average distance from polygon to multiple points

I am trying to find the average distance from a polygon to multiple points on a map. Specifically from a parcel to "downtown hubs". I have used the "Near" tool to generate a table showing the distance ...
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9 views

Changing area units on Line Density Feature

Why can't I change the area units on Line Density Feature? Is there any solution?
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40 views

Digitized polygon not lining up with others of same coordinate system

To start: I created a new polygon shapefile to represent an old site boundary. I set the spatial reference at the time the shapefile was created. I then started an editing session and digitized a ...
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15 views

Get measurement values from point along the route Arcmap [duplicate]

I have two shape files, one is a route shapefile with polyline and have measurement values. The other one is point with coordinates but no measurement values. I am trying to snap the points to closest ...
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2answers
68 views

ArcMap to automatically create polygons from shapes that are present in an image raster

I have a geolocated greyscale geojpeg image showing a network of geological fractures in the ground. They show up as bright lineations and create a reticulate pattern (think giraffe pattern). I've ...
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1answer
52 views

Check if listed fieldnames are in shapefiles

I have one main folder and it has multiple sub-folder. Each sub-folder has one shapefile. I want to check some attribute field names like PLACENAME, GNIS_ID, which are present in all the shapefiles or ...
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2answers
38 views

Aerial images coordinate conversion problem from ArcMap to QGIS

I have multiple different historical aerial images from an ArcMap project and I want to "extract" somehow the present-day satellite image of their areas from Google Satellite. So what I tried to do ...
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1answer
49 views

ArcMap Field Calculator gives ERROR 999999 [closed]

I am trying to do a fairly simple calculate but I keep getting ERROR 999999. I am running ArcMap 10.7. My Input is: (500,000/16) + ( (500,000/25) * [Join_Count])
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30 views

Export a DEM from GRASS and import it to ArcMap

I've been asked to export a raster map DEM as an ESRI ASCII grid file from GRASS and import it into ArcGIS. The issue is once I add this file to ArcMap I do not know how to view DEM as I just have a ...
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29 views

Customize colors, symbols and point sizes by different attributes using ArcMap

I am using and extremely new to ArcMap. I have some data with have two major attributes: geological group name, and estimated vegetation coverage classification names. The vegetation classes are ...
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26 views

Extracting raster values from an RGB

I have an RGB raster file and I need to get raster values. How can I extract raster values from this map? I need to reclassify raster according to the pixel value as "very high", "high", "medium", "...
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1answer
32 views

Accessing the feature layers inside a geodatabase using ArcPy

In an Python Toolbox I have a parameter that gets the location of a geodatabase input.gdb which has several layers of input data. contextual_data_param = arcpy.Parameter( name="context", ...
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9 views

Anchor point for picture marker in ArcMap

I am trying to set an anchor point for a point feature layer in ArcMap. I have tried using the instructions in the attached question/answer, which works fine for an arrow/character marker symbol, and ...
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1answer
75 views

Conversion problem from ArcMap to QGIS [closed]

I am trying to convert coordinates from ArcMap to QGIS, as the project that I am working on is in ArcMap, but I only have ArcMap on the University computer and I would like to work from home, ...
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1answer
56 views

Visualizing frequency of pixel change between several rasters using ArcMap

I have several rasters at my disposal. They come from a digitalization work according to a pre-established typology. I would like to visualize the frequency of change of each pixel over time. Let me ...
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22 views

Specifying a variable in ArcMap output if this is not present in the input

I have been using ArcMap 10.6 (working from within a .gdb, with vector files) to buffer selected variables from a number of files (classes of water, buildings, roads and a constructed other for the ...
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1answer
29 views

Adjusting polygon layer to grid data?

I have a city map with various wards as polygons. I want to put up a 2 km*2 km grid over it and know the emissions in the grid from the underlying polygons of the ward layer. How do I do that? The ...
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1answer
46 views

Reordering layers in ArcMap using ArcPy

I am trying to automate a map I create every so often. The map flags counties based on certain commodities, and color codes them based on price changes. I am able to get each layer created, but would ...
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26 views

Why is an original ArcMap-project twice as big as its copies?

I'm currently working with ArcMap 10.7. Therein, I regularly do File > Save a Copy of an existing ArcMap-project to create a copy for another ArcMap version. However, the file size of the original ...
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1answer
84 views

Is there a faster way to see if a polyline intersects itself?

I have several large polyline feature classes and I need to find how many times each polyline intersects itself (where it intersects is of no importance). I wrote the following code, which works fine,...
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29 views

Calculating distance to nearest coastline with ArcMap

I am using ArcMap to calculate the distance from a list of coordinates to the nearest coastline. I downloaded the shapefile of coastlines from https://www.ngdc.noaa.gov/mgg/shorelines/ and converted ...
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12 views

Feature classes not showing up together on ArcMap [duplicate]

I have 2 shapefiles which are not showing up together on data view on ArcMap. There is a similar thread before: Layers not showing up together in ArcGIS even when in same coordinate system but the ...
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23 views

How to see who was the last that modified/saved MXD File?

Is there a way that we can see each time who modified or saved a MXD file ?
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7 views

Getting rid of colored background when using point density tool

When running the point density tool in ArcMap in the layer created there is a colored background covering a specific area. Is there a way to get rid of this?
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1answer
20 views

FeatureClassToNumPyArray/other ArcMap functions in QGIS?

ArcGIS user here. Since we're all working from home now, ArcMap only works 2 VPN's deep and is basically garbage to us now at our office, so I'm going all in with QGIS. I would like to know, what is ...
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1answer
37 views

Preparing data for polygon to raster?

I am doing my GIS course term project in which I am integrating 3 kinds of map with index overlay method to see how much heat stress level is on my walking trail. To do it I have the tree canopy ...
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1answer
28 views

Copying features from a shapefile into feature class using ArcPy with ArcMap gives ERROR 000725

I have a shapefile which contains some features and I need to copy these features and paste them into an EXISTING feature class using ArcPy. I have tried the (arcpy.CopyFeatures_management(..)) but it ...
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1answer
25 views

Combining non-adjacent rasters using ArcMap

I am trying to combine two rasters and would like to get rid of the blank site. How can I do that using ArcMap?
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18 views

Combining objects according to attribute fields whose output Area field is equal to the input. Help me, please!

Input Feature: EXAM_region with field Area sum = 4814.34 I tried with tool Dissolve: Output Feature class must not have multi part geometries. EXAM_region_Dissolve with field Area sum = 10876.77 ...
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1answer
581 views

ArcMap Remote Desktop Connection Error LoadLibrary failed with error 126

Environment: ArcMap 10.6.1 loaded on Windows 10 PC RemoteApp with Remote Desktop application Windows 8 PC (used for remote access) Issue: ArcMap 10.6.1 works as expected when logged directly into the ...
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1answer
30 views

How to recompile a Python toolbox after a change to an imported module

If an ArcPy toolbox imports modules that are edited, recompiling the modules from the .py source code to the .pyc code that actually runs is a challenge. Deleting the .pyc files doesn't work because (...
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1answer
34 views

Arcpy ArcMap mosaic use different raster whenever nodata value

I am using ArcPy in ArcMap and have multiple Rasters (Landsat imagery) taken from a given area (Image 1). My final goal is to create a cloud free image of the complete area. Since the Rasters ...
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26 views

Adding values in attribute table

I am new to using arcpy. So far I've created a dummy raster and I also have added fields in attribute table where I want to fill in values I print using arcpy. The problem is I need to run two for ...
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1answer
27 views

Create buffer around one category of polylines in feature

I have a feature that contains polylines of fluvial and tidal streams in ArcMap. I want to create a buffer around the tidal streams only. I tried selecting only the tidal streams using the ...
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2answers
469 views

ArcMap remote desktop connection error with Windows10

Issue with ArcMap 10.5 (and above) with Windows10. For some reason I have been getting the following error when trying to start an instance during a remote desktop session (most probably related to ...