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Questions tagged [arcmap]

ArcMap is a piece of software within the ArcGIS suite. It is utilized for cartographic production as well as geospatial analysis.

Overview

ArcMap is used primarily to view, edit, create, and analyze geospatial data. ArcMap allows the user to explore data within a data set, symbolize features accordingly, and create maps.

Tag usage

Consider whether the question is more suitable on Stack Overflow SE or GIS SE

373 questions
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Finding differences in projections in R and projections in ArcMap

My current issue is creating an R program or function which creates a dataframe projection from latitude and longitude points to NAD-1983 2011 StatePlane Pennsylvania South FIPS - 3702 data. Currently, I've hit a snag. Here is the input data I've…
Lou Klein
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How to slice off last two characters in a string then convert to a double?

I'm trying to do a field calculation in ArcMap from one field to another. I need to slice off the last two characters of one field, and convert to float (or double). I'm trying to do this: float(!StatedArea![-2]) My starting values (from the…
Sspifffyman
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How do I apply a datum adjustment to multiple CAD files in ArcMap?

I can create a world file (.wld) to adjust the projection of a CAD file to match my basemap in ArcMap. However, I have many CAD files to do this to. How can I automate or loop applying the datum adjustment factor to all of my CAD files? I've tried:…
Wes C
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Using a list to name output files in Arcpy

I am working with NLCD data set and am trying to extract changed pixels based on county boundaries (extract by mask). I have wrote a little script that will do the job BUT i was wondering if somehow I could use the boundary names as my output names…
SamR
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Selecting only a portion of a shapefile by location - ArcMap

I have two layers: One of the Mississippi River Basin and one of the counties within the 48 states. USA counties Misissippi River Basin I'm having no trouble selecting the counties within the Basin, but I also need to select the portions of the…
pballs
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Extract Values of a Raster with several Bands at specific Points

I need your help! :) I am working with a raster layer that has 154 bands that present time steps of one month each. I want to extract the values of all time steps for specific points (I generated the points along a profile by applying the editor…
Thessla
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Getting datetime data into the correct format arcpy python arcmap

I am using datetime in Arcpy to convert a "Sample Date" field in a feature class to the day of the year. The date in the field is in a month/day/year format and it doesn't include any leading zeros (ex. 7/8/2018 instead of 07/08/2018). Whenever I…
PythonPerson
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Trouble with Nested Search Cursor. and Select by location

I am brand new to running python in ArcMap. I have New York Metro Stop locations and the route polylines. I'm trying to automatically find what routes go through which stops (to be put into a corresponding field in the Metro Stops table), but my…
fozzymo2
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I am trying to get privately provided contours to be recognized by arcmap as such

I have a contour map that is provided to me by a private company. it comes in the form of a .dwg that works for autocad. In the past i have gotten contour data from usgs but the data provided to me is much more accurate. I want these contours in the…
spmoose
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Label Expression Frustration

I have a two label fields, [field1] & [field2] I want to display on my map. I want them to be on two separate lines with the bottom one in bold and in a different color and adding mg/L after the value. The bottom label also needs to all fit on one…
rileywine
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Syntax Errors in my Python code but I don't see where?

The error is in the last line of code with the error saying SyntaxError: invalid syntax # Step 10 - DISSOLVE RDiffIntersect using FID_RDiffBuffer and…
T. Payne
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How to creating point features and add data in attibute table at the same time?

I created point features. but ı cant do add data attribute table. IMxDocument pMxdoc = ArcMap.Application.Document as IMxDocument; IPoint pPoint = pMxdoc.ActivatedView.ScreenDisplay.DisplayTransformation.ToMapPoint(arg.X, arg.Y); IFeatureLayer…
Mehmet Erözkan
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How to adjust rows and columns, retaining cell sizes in arcmap?

The Situation: I have a vector data map with all the countries in the World, including a unique landcode for every country. I need to convert it into a raster map, so I can eventually analyse (with Matlab) drought indicators for that country. The…
Tristian
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add data layer from mxd table of contents in custom arcmap toolbox

Can't find any references for how to add a data layer into a custom toolbox that I made in ArcMap via a dropdown menu instead of navigating to the file location. The first picture is what the input for my tool lookslike, and the second is a screen…
AK Constantino
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Sorting datasets in File Geodatabase

I have been trying to figure out how to change the sorting order for a file geodatabase for ArcGIS. I have been using Python and Arcpy to convert many CAD files into a File Geodatabase Feature Dataset. I succeeded in doing this, but the results are…
heinrich1223
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