Use this tag when ArcGIS for Desktop is the product and architecture that you are using from the ArcGIS platform.

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1
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1answer
31 views

arcpys getPartCount returns always 1 on multipart polygones

in this post Why does the method partCount in ArcGIS always give back a value of 1? a problem occured that could easily be reproduced. partCount is always 1! Is it a wrong usage of partCount or did ...
1
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2answers
28 views

Calculating areas outside a point

I have a university assignment that requires me to find an optimum location for a land fill site. There are various parameters I need to map. I have managed to map all the ones within a distance of ...
3
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1answer
225 views

Calculating Distances between coordinates

I have 75 coordinates in WGS84 that I brought in from an Excel table. They are now on my imagery basemap spanning across about a half mile on either side of a dirt road in Prescott National Forest in ...
3
votes
1answer
609 views

Georeferencing multiple rasters to World files in ArcGIS for Desktop?

I've got exactly 56 tiffs to georeference. Each raster has its unique TFW world file. I'd like to automate this process. Each raster has it's unique name which is consistent with world file name (eg. ...
0
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1answer
6 views

Identify cities for interval 10-100 miles for landfill gas leak risk for each ladfill site? [on hold]

I tried multi buffer on sites for intervals 10-100 which selects all the sites in that range, but unable to find a solution where we can classify cites for intervals 10 through 100. Example : for ...
0
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1answer
198 views

What to use as split field or target workspace with Split tool?

I'm trying to use the split tool in arcgis 10.1 but I dont know what I should use as the split field or my target workspace. W:\S&P\s&p techs\Emily\Geodatabase\Geodatabase.gdb this is what I ...
1
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2answers
301 views

Correlation analysis of two polygon shapefiles with nominal data

I am working on a research- trying to model vegetation types based on factors affecting their distribution. In that case I have observed a strong relation between vegetation and soil types, from just ...
0
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2answers
164 views

Extracting multiple values of raster to polygons using ArcGIS for Desktop?

I was hoping I could get some help on how to extract information from a land use raster using polygons. I have a layer with 157 polygons and a land use raster with multiple land use categories for the ...
0
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1answer
13 views

Select related feature among layers

Is it possible in ArcGIS 10.x that if I select a feature in one layer it will also select the related feature in another layer?
8
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2answers
191 views

Select by Attributes - Strings with < 5 characters

I have a column of zip codes which are strings. Most of them are the usual 5 digit zip codes, but some are only 3 digits or missing a digit. (keep in mind, I need this column as strings for other ...
4
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1answer
59 views

Predict/estimate point values for unsurveyed areas based on vegetation type

I have point data from deer surveys and would like to predict values for areas not surveyed based on vegetation type (Grass, Disturbed, Oak, Pine, Mixed etc.) So far I have dissolved my vegetation ...
1
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1answer
20 views

Opposite of least cost path?

I've established how to run a Least Cost Path analysis in ArcGIS, but I'm wondering if you can run an analysis to find the hardest path between two points?
0
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0answers
7 views

Adding label in the group animation

Does anyone have experience on adding labels on the group animation in ArcMap 10? I have 10 raster layer in a group layer. I wish to show the raster layer name as a label during the animation. I ...
11
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3answers
1k views

Ortho Projection produces artifacts

I`m trying to create a sphere-like view using qgis and the "world from space"-projection http://spatialreference.org/ref/sr-org/6980/ (essentialy an ortho-projection). ArcGIS wraps the shapes ...
0
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0answers
12 views

Creating Fence Diagrams from Electromagnetic (EM) Conductance Survey

Has anyone seen fence diagrams created in GIS for Electromagnetic Conductance surveys? I am going to be attempting this soon and have a couple pieces of literature as reference, but they are geared ...
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0answers
17 views

Calculate average travel time on network

I have 200 points of emergency centers across a national road network, is there a way to calculate the theoretical average response time nationwide just from these two inputs?
1
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2answers
129 views

how to open several MXD files at the same time ( within the same window )in Arcgis10

I have a simple question. How can I open several MXD files at the same time in Arcgis 10? Whenever I try to open the second MXD file Arcgis asks me to save the first MXD file and then it closes it ...
1
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1answer
237 views

“construct points” troubleshooting

Apologies for the potential simplicity of this problem but I just cant find a solution! I need to create a series of points along a line at a specific interval. I am using ArcMap 10.2.1 and the ...
2
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0answers
20 views

Location allocation Road Block- Unable to “Solve”

Scratching my head as why I can't figure this out. Software: ArcGIS/ArcMap 10.3.1 with network analyst extension Objective: Perform location-allocation services, based off of 2 Required Facilities ...
2
votes
1answer
19 views

Stop snapping from occuring with inserted text?

I'm having trouble with text and scale bars in layout mode on arcgis snapping. I want to move the text freely. It's not necessarily snapping to inserted margins either. I've tried guides and it won't ...
3
votes
1answer
222 views

Trying to use Tkinter to open dialog box in ArcMap

The following script works great from the command line but crashes from the pythonaddin: import Tkinter import tkFileDialog root = Tkinter.Tk() root.withdraw() pathtest = ...
1
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2answers
21 views

How can one retrieve all the raster cell values for Kernel Density output?

This question is related to the replies in this earlier thread (How to interpret GRASS v.kernel results?). I am new to GIS mapping (arcGIS) and have been trying to work with the Kernel Density ...
2
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0answers
61 views

Merge n number of adjacent polygons

I have over 17,000 individual polygons. I want to merge two adjacent polygons so that I finish with approximately 8,500 polygons. The polygons need to be merged based on location, merge two adjacent ...
3
votes
2answers
81 views

Field calculator if and elseif statement with <Null> values in ArcGis 10.1

Trying to figure out how to get this "Headwater" column to indicate "Yes" (or 1) if the value of "NextDown_Copy" is "" and "No" (or 0) if it has any other value (eg. 7100381010). I attempted to ...
0
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0answers
31 views

ArcGIS - Why would spatial join return correct distances but wrong attributes

I am doing spatial joins on points and street (line) features to identify the closest street to each point. However, despite getting appropriate distances returned for each points, closest road, the ...
2
votes
2answers
169 views

Definition Query with Current_Date?

I have a date field called ExprDate and I want to set a definition query to select all records from today's date plus the next 7 days. This is what I have: ExprDate >= CURRENT_DATE +7 The ...
1
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1answer
29 views

Filling up river corridors in a DEM

I'm currently working with a DEM (10 m x 10 m resolution) that has a lot of faulty elevation values in river corridors. In order to run a hydrodynamic model I'm trying to get the following done in an ...
5
votes
2answers
11k views

Merge adjacent polygons ArcGIS

I want to use ArcGIS to merge adjacent polygons with each other. There is no common filed between the polygons and hence the Dissolve tool is not the ideal solution. The polygons that I want to ...
2
votes
2answers
27 views

Increase Line Spacing between Key Numbering Items

I am using ArcMap 10.3 and labeling parcel features by using the Key Numbering option. The key numbering list items appear too close together and overlap. I want to have more vertical space between ...
0
votes
1answer
17 views

How to prevent RGB composite flatten to 1 band after raster calculation

I have a series of landsat wanting to process in raster calculator, but after doing the tool it happened these output images only contain one single band. They used to be RGB 3-band images. It is on ...
2
votes
2answers
27 views

Repeat annotation labels for same feature on different data driven pages

I have an mxd with 29 data driven pages all at the same scale. I have the need to label hundreds of polygon features, so I converted the labels to annotation (stored in geodatabase and feature-linked) ...
3
votes
2answers
53 views

Loading multiple shapefiles from +1000 subfolders

I have a WATERBODY shapefile for each region within each province in Canada. The region subfolders also contain many other features that I do not need. I am trying to upload and merge all the ...
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0answers
27 views

Exporting Multi Maps like JPEG,etc with Python? [on hold]

I need to Export Multi Maps like JPEG or .... ETC with Python
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0answers
19 views

Checking in ArcMap 9.3 maps to ArcMap 10.3 [on hold]

I have a year's worth of data checked out from ArcMap 9.3 with an ArcSDE geodatabase. Due to work ticket system upgrades, we have updated to ArcMap 10.3 and changed to a file geodatabase. I have 2 ...
0
votes
2answers
211 views

Calculate mean elevation over a region

For the purposes of spatial interpolation, I have created a grid using "Create Fishnet" in ArcMap10.2 (I use the "label points", which have a spacing of 0,00833333 degrees). For every point (label ...
0
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0answers
37 views

Using ELIMINATE in ArcMap I Run “out of memory”

I created an apparently large dataset (> 800,000 features) by converting a tree height DEM into polygons. I used focal statistics to generalize the data for groups of trees of classified heights. ...
2
votes
2answers
47 views

Finding patterns using ArcMap?

I'm new using ArcMap and I have a GDB of schools (and its enrollment data) at block level. What I need to do is to find the places with the most concentration of enrollment in a radius of 5km. Since ...
3
votes
1answer
24 views

Combining rasters using weighted average

I am using ArcGIS 10.3 with spatial analyst. I have a series of several rasters that I am trying to combine into a single raster layer. The rasters are all different sizes (different extents) and were ...
2
votes
1answer
36 views

ArcMap 10.3.1 crashes when opening extension folder

I need to activate the Spatial Analyst extension, however each time I select "extension" ArcMap 10.3.1 crashes. This is what I'm doing: while in ArcMap, I navigate to Customize/extension then the ...
12
votes
1answer
831 views

Can Mars be mapped in ArcGIS

Can I use ArcGIS to map planets in particular Mars? Where would I start in terms of basemapping and projection?
0
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1answer
19 views

How can I create a raster of a color spectrum out of a RGB?

I try to select a colorspectrum out of a RGB-Layer. For example, I have a RGB-picture (tif) of a carpark with red,green and blue cars. How do I select or create a new raster/layer with only the red ...
0
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0answers
23 views

Using Near Feature Tool with Conditions

I am using near feature tool in ArcGIS 10.1. However, I need to add another condition to it (not only the nearest). The feature (point) that i am looking for, is the nearest (point) and also doesnot ...
0
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0answers
11 views

Network distance calculation in ArcMap 10.3

I am trying to calculate distances between 11 points (shapefile with points) along river network (shapefile with lines) by using the Network Analyst - Create OD cost matrix. I have done this ...
5
votes
3answers
603 views

Formatting tags doesn't seem to work?

I am trying to do a simple format of a text box in ArcMap. I went into the 'About Formating Text' and copied a tag to change color and when I apply the setting, the text doesn't change color and the ...
4
votes
2answers
60 views

In terms of SQL, what exactly is Query Layer's “Unique Identifier” doing?

When you make a link with a database using Query Layer in ArcMap, you must select a Unique Identifier, which ensures that the resulting Layer only has unique records in the Attribute table. In some ...
3
votes
2answers
46 views

VBscript to not include empty fields

I am trying to create a label in arcgis with about 30 columns with this basic VBscript: [field1] & vbnewline & [field2] & vbnewline &[field3] & vbnewline...ETC How can I make it ...
2
votes
1answer
22 views

Cropping attributes to only show those inside a layer

I am currently learning to use ArcMap and I am trying to crop the lines (roads) in the below image to only those inside the state polygon. Is there a way to do this. I have tried via the attribute ...
0
votes
2answers
63 views

What can I do when snapping doesn't work correctly?

I'm trying to manually edgematch some adjacent polygons. When I try to add a vertex to snap it to another vertex on an adjacent polygon, it invariably undoes itself, as shown in this video that I made ...
1
vote
2answers
276 views

How to set the cell size of a tiff to 1 meter when working in a Geographic Coordinate System?

I am working in a Geographic coordinate system in ArcGIS, and I need to create TIFFs by exporting rasters. THese .TIF file must have a resolution (cell size, or GSD) of 1 m. Is it possible to set any ...
1
vote
3answers
60 views

Create a stacked Python label expression in ArcGIS for Desktop 10.3

I have a number of polygons representing exploration licences and a series of attributes including licence name, operator, partners and associated interests (%) within each licence. I am trying to ...