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Questions tagged [arcmap]

ArcMap is the former flagship application of ArcGIS Desktop and the tag for that (arcgis-desktop) should also be added for any questions about its GUI

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66 votes
3 answers
95k views

Layers with same coordinate system should align/overlap in ArcMap but do not?

I put 4 different layers into my ArcMap document, but only one of them will show up on the map! I should be seeing the other 3 layers as well. When I do a Zoom to layer, I can see one layer, but I ...
CaliforniaGirl's user avatar
10 votes
3 answers
8k views

Assigning point IDs to respective start and end attributes of polyline using Arc Hydro with ArcMap

I have two shapefiles, Point and Polyline. I'm trying to populate my polyline layer with the point data ID (systemID) where the lines start to where they end; eg. create two columns (from and to). The ...
JrUser's user avatar
  • 159
4 votes
1 answer
3k views

Graph/Network building and analysis of linked polygons in ArcMap

This is more of a follow-up question to Dividing polygons into *n* number of groups of equal counts with ArcPy? and Grouping village points based on distance and population size using ArcMap, ...
Max K's user avatar
  • 148
13 votes
3 answers
19k views

Calculating sequential numbers into sorted table using ArcMap

I am using ArcMap 10.3. Is there a way to calculate a sorted field with sequential numbers in the Field Calculator or using an Update Cursor in ArcPy? I have seen Sorting feature class to calculate ...
Midavalo's user avatar
  • 29.8k
8 votes
1 answer
2k views

Grouping village points based on distance and population size using ArcMap

How do I group a number of villages based on their distance to each other and total cumulative population size? I have a vector file of say 100 village points attached to atable containing data on ...
Rassoul Mahiny's user avatar
4 votes
5 answers
9k views

Creating polygon feature class from area in one not covered by another using ArcGIS Desktop?

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 ...
rachel.passer's user avatar
22 votes
2 answers
41k views

Adding shapefile or feature class as layer in ArcMap using ArcPy

I am trying to automate various tasks in ArcGIS Desktop (using ArcMap generally) with Python, and I keep needing a way to add a shapefile to the current map. (And then do stuff to it, but that's ...
Tom W's user avatar
  • 429
9 votes
2 answers
21k views

Sorting feature class to calculate sequential ID field using ArcGIS Field Calculator?

I am in ArcMap and I want to sort the records based on a field and then do a Calculate Field with an auto-incrementing value with the sort in-place. Any ideas? It looks like I could get an update ...
Justin's user avatar
  • 3,398
6 votes
6 answers
27k views

Deleting polygon defined area from raster layer in ArcGIS Desktop?

Which tool do I use in ArcGIS 10.1 for Desktop to exclude areas covered by vector polygon layers from a raster layer? I want to keep portions of the raster layers that exclude the portions covered ...
nancy's user avatar
  • 61
10 votes
1 answer
4k views

Adding labels with symbols to legend in ArcMap?

I'm creating a map with ArcGIS Desktop v10.2.2, showing museums as points. The museums layer has no symbol and the labels are made of a circle filled with color with the ID inside, taken from the [ID] ...
Cheshire Cat's user avatar
6 votes
5 answers
20k views

Varying transparency of symbols within single layer in ArcMap

I have a polygon layer which I am drawing in ArcMap using a graduated color symbology: Is it possible to vary the transparency between the classes, so that the transparency tapers off with the color ...
Stephen Lead's user avatar
  • 21.1k
4 votes
2 answers
492 views

Moving shapefile point 500 m west using ArcMap

I am a novice to ArcMap 10. I have this 2000 survey points shapefile and I was told to, I guess is dislocate, generate new survey points, each new should be 500m west and 500m south from the original ...
Lena marques's user avatar
21 votes
4 answers
5k views

Applying four colors theorem in polygon map using ArcMap

I need to apply the four colors theorem in a polygonal shape in a way that I do not need to choose manually each color to put in each region. I wish to knows if there is any extension, plug-in, script ...
NaN's user avatar
  • 313
9 votes
1 answer
4k views

Symbolizing using RGB values from Excel in ArcMap

I have an Excel file with 2 attribute columns, 1-feature info 2-Number of color (RGB) that the current feature should be symbolized with. This file can be joined with the layer using the "feature ...
Shefqet LULJA's user avatar
2 votes
2 answers
4k views

Tobler's hiking function in PathDistance ArcGIS 10.3.1

I am working on least cost paths for an archaeological project and I am trying to implement Tobler’s hiking function on ArcGIS 10.3.1 for Desktop. I am using SRTM 1 arc second global downloaded on ...
user44169's user avatar
39 votes
6 answers
42k views

Creating square buffer around point feature using ArcMap

I would like to create a square buffer from a point feature but I do not understand the code that goes into it. Similar questions have been asked on the forums.esri website but that was over 10 ...
Kimball's user avatar
  • 509
38 votes
21 answers
35k views

Connecting to PostGIS database from ArcMap for display and query without ArcSDE?

How can I connect to a PostGIS database from ArcMap using ArcGIS Desktop 9.3 and later? I would like to be able to perform spatially enabled queries and receive the results back (e.g. spatial and non-...
fmark's user avatar
  • 9,381
38 votes
14 answers
117k views

Getting boundary of raster image as polygon in ArcMap

I have a rectangular raster image in ArcMap. How can I produce a polygon which is just the extent of the raster image? That is, I want to have a polygon layer with a single quadrilateral which is the ...
robintw's user avatar
  • 4,006
19 votes
7 answers
27k views

Changing order of features in shapefile [closed]

I have a shapefile and I want to change the order of the features. Is that possible? I want to sort the features in the shapefile because I'm embedding this shapefile in a mobile app. The app will ...
tato's user avatar
  • 813
16 votes
4 answers
30k views

Automated/geoprocesing tool to slice, clip, or cut polygons using polylines using ArcGIS Desktop? [duplicate]

Looking for a simpler method here. I am trying to split up / cut / slice existing polygons by using existing poly-lines. An example would be splitting a water body or land parcel at the point where a ...
brnt's user avatar
  • 221
11 votes
1 answer
9k views

Forcing ArcMap to recognize text field in CSV file

Related to Data-type detection in ArcGIS table loading I have a CSV file which contains a mixture of numeric and text fields: ID,Txt,Int,Dbl 12345,abc,45,56.78 12346,9,65,23.12 12347,10,66,23.13 ...
Stephen Lead's user avatar
  • 21.1k
10 votes
2 answers
14k views

Interpretation of ArcGIS Kernel Density legend parameters

In ArcMap 9.3 I've used Kernel Density to map various incidents, but the resulting shapefile doesn't display any units of measurement. Is there a good, not-to-technical source that would explain in ...
user avatar
10 votes
5 answers
16k views

Counting overlapping polygons from one Shapefile using ArcGIS Desktop

I have a shapefile with 16,400 polygons. Each polygon shows the expansion of a bird species for the whole world. Now I have to count the overlapping polygons. I tried it with union and dissolve (...
Nora's user avatar
  • 569
9 votes
4 answers
23k views

Extracting one band from three band raster in ArcMap?

I'm fairly new to ArcGIS and I get into trouble extracting a single band layer from a raster image .img in ArcMap that I want to use after in zonal statistics. So far, all help I found is to do the ...
user3016665's user avatar
7 votes
1 answer
15k views

Adding automated values to attribute field?

I have parcel and buildings layers. In their attribute tables I want to replace "NULL" values with numbers from 1 to 2000, in "Parcel ID", or "Building ID" field. How can I do this in ArcGIS ...
GIS Man's user avatar
  • 1,123
28 votes
8 answers
87k views

Extracting coordinates of polygon vertices in ArcMap?

I've got about a dozen polygons in a feature class loaded in ArcMap 10, all in geographic WGS 1984. How do I easily obtain the coordinates associated with each vertex of each polygon in that feature ...
hpy's user avatar
  • 3,157
20 votes
5 answers
46k views

Creating point file along line (trail) at regular distances (0.20 miles) using ArcMap

I am using ArcMap 10.1. I have a trail network that I'm trying to establish signs along the trails every 0.20 miles. Is there a way to create the point file from the line feature?
Jen's user avatar
  • 203
14 votes
4 answers
14k views

Using polygons to apply unique value to all raster cells within those polygons?

In ArcGIS 9.3, I have a raster file that I would like to "mask" with polygons, giving a single value to all the raster cells that overlap the polygons. How can I do this? Here's a screen shot, ...
Luke's user avatar
  • 397
10 votes
5 answers
11k views

Displaying dynamic table in Data Driven Pages environment?

I am creating a map series that has many polygons per sheet. There is annotation for the polygons however some polygons are very small with no annotation for them (annotation would completely hide a ...
Sue Deforest's user avatar
2 votes
3 answers
4k views

ArcMap fill polygon with points (highest possible number) (Bin Packing Problem: Best Fit)

Is there a tool for ArcMap 10 that fills a given polygon with point geometries? The points should have a pre-defined distance between themselves, but the points position can vary. Fishnet is not an ...
kitty's user avatar
  • 75
50 votes
5 answers
10k views

Debugging ArcPy scripts

I have written many Python scripts using ArcPy in ArcMap 10, and so far my only means of debugging is restricted to printing messages to the geoprocessing results window using arcpy.AddMessage(). Are ...
Tanner's user avatar
  • 7,383
27 votes
7 answers
12k views

When Versioning with ArcSDE can posted edits be cancelled or rejected? [closed]

I am using ArcMap 9.3.1 and attempting to work with an ArcSDE geodatabase (with one polygon feature class) that has already been registered as versioned. I'm new to versioning and am still trying to ...
Sole23's user avatar
  • 451
27 votes
1 answer
7k views

Calculating Flow Direction and Delineating Basins from Projected vs. Unprojected DEM Data [closed]

This is somewhat of a theoretical question stemming from some discussions with colleagues on the topic of implications with delineating basins with projected (e.g., Albers Equal Area) vs. unprojected (...
MapBlast's user avatar
  • 1,127
23 votes
5 answers
26k views

Obtaining extent of each polygon in shapefile using ArcPy with ArcMap

In ArcGIS 10 and Python I want to get the extent (xmax, ymax, xmin, ymin) info of each of the polygons in a shapefile. I can get the extent of the whole shapefile using file=r"D:\SCRATCH\ARCGIS\...
GeorgeC's user avatar
  • 8,238
11 votes
5 answers
5k views

Refreshing open attribute table in ArcMap using ArcPy rather than ArcObjects?

I am running the Calculate Field GP tool from the arcpy in ArcMap. When a row value is updated, it does not show up untill I use the Reload Cache tool (Table Options > Reload Cache). How do I refresh ...
Alex Tereshenkov's user avatar
7 votes
2 answers
2k views

Deleting polygons smaller than certain dimension using ArcGIS Desktop?

I've made a model in ModelBuilder in ArcMap 10.3, what it basically does is creating polygons over open areas such as farm-lands, grass-lands, marshes etc that has a low slope. My challenge is that I ...
Einar's user avatar
  • 135
2 votes
4 answers
7k views

Splitting multiple polylines by distance in ArcMap

Is there a method to split thousands of polylines by employing a tool like the "Editor" - "Split" method and using distance, in ArcMap? When I utilize the "split" - &...
jeepin_gypsy's user avatar
37 votes
11 answers
113k views

Performing reverse clip in ArcMap

Is there a way to perform a 'reverse' of the clip function in ArcMap? I am not exactly sure how to explain this so here is a diagram:
Alan Carr's user avatar
  • 2,475
25 votes
5 answers
33k views

Adding PDF (especially GeoPDF) to ArcMap as data?

I receive a lot of PDF maps (vector, image, with georeference and without) and I am having to convert them to an image file before I can add them to ArcMap and georeference. I can't see any obvious ...
Jakub Sisak GeoGraphics's user avatar
21 votes
7 answers
18k views

Recalculating full extent of File Geodatabase feature class?

I have a featureclass in an Esri file geodatabase. When I edit the features using the editor in ArcMap, and I delete most of my features and keeping only the ones in the middle, the zoom to layer ...
offermann's user avatar
  • 521
20 votes
3 answers
5k views

Producing building shadows using ArcGIS Desktop?

How would you generate building shadows from building footprints? I have attribute values for the heights of buildings. So would preferably like to have the shadows' sizes vary based on that. The best ...
EightyTwenty's user avatar
14 votes
6 answers
9k views

ArcMap Add-in with app.settings not recognizing app.config changes?

I have developed an ArcMap Add-in which requires a configuration file. After spending a while trying to read config values from a single App.Config file (and always getting null) I believe that the ...
tomfumb's user avatar
  • 3,688
12 votes
2 answers
4k views

Making Map Book of pages with same area shown but different layers turned on/off

In ArcMap a Map Book is best suited for a series of features that each get their own page. It allows you to pick a feature and generate a Map Book Page for each feature including any additional ...
randomblink's user avatar
11 votes
2 answers
5k views

Finding if polygon has hole using field calculator in ArcMap

Some 3rd party software cannot handle polygons with holes (donut polygons). To find them I always use ArcView 3 field calculator, because: however when I try to do this in ArcMap, I get this: How do ...
FelixIP's user avatar
  • 23.1k
11 votes
7 answers
81k views

Extracting raster DEM elevations to vector attribute tables using ArcMap without 3D or Spatial Analyst

I have an ArcMap 10 project with multiple layer groups. One layer is a raster DEM, another layer group is a bunch of vector shapefiles (including points, lines and polygons). The client wants all ...
Brad Torr's user avatar
  • 111
11 votes
5 answers
26k views

Adding file name to attribute field using Calculate Field?

Does anybody know how to add the shapefile name to a field in the file's attribute table? I've found a description: 'You have to use inline variable in CalculateField like %Name% in expresssion ...
Nadiia's user avatar
  • 335
11 votes
5 answers
54k views

Measuring area of raster classes?

Are there any tools or methods in ArcMap that can measure the area of each level of the kernel density output? Note this is just a kernel density plot (not a shape file or polygon). Kernel Density ...
Mr Angus's user avatar
  • 195
11 votes
2 answers
3k views

Inserting newlines in Rectangle Text elements via ArcPy causes overlap?

I ran across an issue the other day when I tried to use ArcPy's mapping module to edit rectangle text elements with newlines (\n) in an ArcMap document. Here's what the output looked like: Here's ...
dmahr's user avatar
  • 11.8k
3 votes
3 answers
12k views

Why do ArcToolbox tools give ActiveX error?

I work with ArcGIS 9.3. When I try to run any ArcToolbox tool I receive the message: Window Internet Explorer [Title of the Window] One or more ActiveX controls could not be displayed because ...
Demetris's user avatar
  • 1,039
35 votes
9 answers
79k views

Adding GPX files into ArcMap?

What is the smoothest route, the easiest user experience, to add gpx files to ArcMap? Ideally, I'd like to interact with .gpx with the same facility as .shp, being able drag'n'drop onto the map ...
matt wilkie's user avatar
  • 28.2k

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