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

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15 views

Post Classification NDVI using ArcGIS

Does anyone have any advice about doing a change detection from two NDVI rasters that have already been classified into 10 classes? values 1 - 10 are classified, values 11 - 255 set null. I've used ...
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2answers
38 views

Can I overlay a population raster with fishnet shapefile?

I used the dasymetric toolbox to proportion the population of a city based on areas of habitable land. I have the output in a raster file with a corresponding attribute table. My output has a column ...
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2answers
48 views

Parse multiple field in field calculator using python

I'm trying to fill a blank field depending on the contents of three other fields using python in the field calculator. Sample code is something like: def getClass(Text1,Text2,Text3): if Text1 is ...
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0answers
24 views

Querying Archive Class with REST API of ArcGIS Server?

I would like to know if there is a way to access the archive class through a Map Service of ArcGIS Server. I have a Map Service with feature class stored in a SDE GeoDatabase with Archiving and ...
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0answers
12 views

ArcGIS Overlay route events

I have bus onboard volume data stored as a polyline shp file. The polyline lengths are the distances between sequential boardings and alightings. So along any particular bus route there are ...
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0answers
10 views

Merging multiple netcfd files into a single file

I have rainfall outputs from a climate model on daily basis for about 90 years. I am looking for ways to merge multiple netcdf files having same variables for different time periods. Such as prec_2011....
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1answer
31 views

Rows and columns too high

I currently have a 5m DEM with 6000 rows and columns. I need to keep the spatial resolution but reduce the number of rows and columns to 1000. I have used the basin tool to separate the DEM and ...
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0answers
22 views

Exporting map with arcobjects interupted by refresh event

I have developed an ArcMap extension in C# for ArcGIS 10.0 with a Form that configures the PageLayout and exports the ActiveView as PDF. There are two different ways to do that. You could use ...
3
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1answer
33 views

Splitting, disaggregating, breaking up a merged raster file

I am using ArcMap 10.4.1 but I am also more than familiar with QGIS. I have a raster file (single band) from a merged grid on population statistics for Europe (please see image attached). The red ...
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8 views

3D Bar chart of multiple bars

I want to prepare a 3D bar chart in arc scene showing 3 years population density, but not in stalked column. Each time I provide the data the final output seems to be a blank page..Please help.
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0answers
44 views

Setting a field as 'Required' in ArcMap OR ArcGIS Online so that it shows on Geoform as Required

I am trying to set a field in an attribute table of a feature class in Arcmap or ArcGIS Online so that it shows on the ESRI Geoform as Required, ie. Data must be entered for that particular field. ...
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1answer
18 views

Cropscape Change Analysis

I have two raster data layers from cropscape for 2014 and 2015 that have been clipped to Fresno County. I want to look at the change in almonds between these two years (if and where almonds were added ...
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1answer
53 views

Is it possible to inherit a session in ArcGIS 10.0 through the Python window?

So, I'm still struggling with an ESRI 10.0 installation with an Oracle ArcSDE database. I'm nearing the end .... In trying to programmatically edit the versioned data. It needs to be done in an ...
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1answer
32 views

How to create or reclassify a land cover raster based on distance to roads in ArcGIS 10.4?

I am using a raster of land cover (Globcover 2.2, 300 m resolution), which I managed to reclassify (in 2 land cover categories) and clip to my region of interest. I also have a shapefile of the roads ...
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0answers
12 views

Converting radiance raster values to luminance

I have two nightlight data layers of the same area, one is a VIIRS radiance raster (the raster values are radiance values in units of nanowatt/sq.cm/sr) and the other one is a point vector luminance ...
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0answers
19 views

Network Analyst and street intersection [closed]

Im working on project for calculating pedestrian and bike accessibility to public services.For pedestrian I already could produce Isochrone maps ( by applying the street slops) now I want to calculate ...
0
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1answer
22 views

Time distance by roads from specified point (raster analysis)

I just started to learn arcgis, so even simple tasks looks difficult to me. Can you give me please some guidelines how to create raster where each cell contains time distance by road from specified ...
3
votes
1answer
55 views

Not getting all decimal places when converting numbers to string (ArcObjects with VB .Net)

I would like to build some queries in my addin from layers in my map. I am having problems with double numeric types. esriFieldTypeDouble has 14 - 18 decimal places or more depending on the database ...
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1answer
83 views

How to Calculate NDWI Value in Arcgis 10.1?

I want to delineate surface water feature of my Landsat raster image and also want to calculate the area of water body. I have learned through internet that NDWI can be used to delineate open water ...
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0answers
28 views

Is ArcGIS Data Interoperability extension only for Vector data formats?

I was under the impression that the FME Extension was for vector and raster formats but the FME Connector only lists vector formats. Is this really the case? I wanted to export TIF to ECW in ArcGIS ...
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0answers
35 views

Comparing areas of two raster files

I need to compare the areas of two rasters for calculating the percentage parts from another. For example, I have one raster file which shows separated agriculture fields. The value of each field is 1 ...
1
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3answers
73 views

Erasing small polygons from bigger overlapped polygons using ArcGIS for Desktop?

I have different bigger polygons (buffers) which are overlapped (A,B,C,...) and the inner smaller ones (a,b,c,...). I want to erase smaller ones from bigger ones in the way the results be A-a, B-b, C-...
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1answer
83 views

Automatically populating ArcGIS Online map using ModelBuilder?

I have created a little model in ModelBuilder to take some cuts of some data e.g. last 30 days, last 6 months etc. I have then published this output to a feature service using ModelBuilder. I have set ...
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1answer
89 views

How to Edit Field using VBscript or Python in Attribute Table

I add a field called Name in attribute table in arcgis 10.1 but I can't edit this field. From this site, I have learned that this can be done by field calculator using VBscript or Python. As I have ...
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0answers
13 views

arcGIS heatmap of routes, populating counts for shading

im currently making a heatmap in arcGIS of routes, it's creating polyline features of different shades. I used this guide: https://luke-webber.github.io/polyline-heatmap/. however, I cant get the ...
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2answers
53 views

Creating an artificial coordinate system to plot a garden experiment

I am trying to map plant death in a garden experiment. The location of the garden doesn't matter, I just care about each plant in relation to the others. They were all planted on a grid system. My ...
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1answer
37 views

Label Expression If Statement remove Zeros

I am trying to perform a semi-complicated labeling expression that shows one field divided by another field and some additional fields with no division. The issue I ran into was that the denominator ...
0
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1answer
26 views

How can I combine together cells within the same raster in ArcGIS 10.2?

I have a raster displaying Land Cover data for the UK at a cell size of 25m. The cells are currently categorised as one of 24 different types of land cover. Some of these are irrelevant to me, and ...
1
vote
1answer
46 views

Split lines at intersections in ArcGIS

How can I split all the lines in a feature class where they intersect with a second line feature. I have a roads feature and a rail feature. I want the lines in the rail feature to split where ever ...
3
votes
1answer
23 views

no popup menu with “right-click” on layer

I am trying to work with ArcGIS 10.4 on a MacBook Pro (OS X El Capitan 10.11.5) using Microsoft Windows via Parallels Desktop 11. "Right-click" in this context normally = "control-click." No matter ...
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0answers
30 views

Unable to use “Locate Features Along Routes” tool in ModelBuilder. Error 000666

I'm working in ModelBuilder in ArcGIS 10.2.2 for Desktop (Advanced License type), but I can't make the model run because in the last part, when I use the "Locate Features Along Routes" tool, it keeps ...
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2answers
48 views

How do I delete duplicates based on multiple fields

I want to delete duplicates based on my time/date column (1st column) but I want to keep the ones that have a 1 in the 2nd column. Essentially, I want to delete all rows that are a duplicate of 1st ...
1
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1answer
62 views

Geometry Object Intersect

I'm trying to intersect two polyline feature classes and generate a point output using geometry objects. Its intersecting almost 2 million features with 250,000+ features, so running it with arcpy....
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0answers
22 views

Slope calculated incorrectly from DEM

I am using the slope tool to calculate slope from a DEM. I'm getting values from zero to about 1.6%, which I know is much too low for some of the areas in my study site (I believe it should range from ...
0
votes
1answer
13 views

Presenting Areas of Land from shapefile to 1 decimal position and convert from m-squared to hactares [duplicate]

I've got a shapefile containing multiple polygons, attached to an attribute table. I'm looking at labeling all these polygons using the attribute 'AREA' column. However, these areas have not been ...
3
votes
1answer
118 views

Extract river polygons from DEM

I would like to use DEM to extract a river network but I don't want to use the polylines. Is it possible for me to extract polygon (or raster) rivers from DEM? I'm using both ArcGIS 10 and R. If ...
1
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1answer
30 views

ArcGIS Server - problem publishing python script that uses urllib

I have problem publishing this simple python script as geoprocessing service with ArcGIS Server. import urllib import arcpy u = arcpy.GetParameter(0) url = "http://geoegl.msp.gouv.qc.ca/cgi-wms/...
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0answers
24 views

create line based on geometry of two other lines

I would like to create lines / line segments based on two polylines. I am sorry if my terminology is off. Here is an illustrative example: I want to create a line (green) that is a portion of Set A ...
2
votes
1answer
38 views

Mapping raster values to nearest grid cell on a polyline

I'm not sure if the following task is possible in ArcGIS, or whether I need to use something like MatLab - I wondered whether the community could possibly advise if it is possible, and if so, what ...
3
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0answers
34 views

VBScript Syntax Error in ArcGIS labeling? [closed]

I have been using a script on older ArcGIS to convert depths in engineering format to the Hydrographic format seen on charts. On trying to use it I get a syntax error in Line 14. No matter how I ...
3
votes
4answers
133 views

Tool to delete too many points in one area, ArcGIS, ArcMap

I have two layers: points and areas (buildings). In many places I have two or three points in one building. I would like to leave only one point in one building. How can I do that?
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0answers
23 views

Automatic numbering when split the polygon in arcgis

Can anyone help me when I split the polygon the number should be automatically update in the attribute table to the second polygon? Example : I have the polygon name called 5 in attribute table, when ...
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0answers
13 views

set backup license manager in ArcGIS desktop 9.2

I installed ArcGIS desktop 9.2 in my pc, and want to set 2 license managers using ArcGIS desktop administrator(the second one works as backup license manager). The 2 license servers host name: ...
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0answers
20 views

Raster processing clip function broken?

I used the raster clip function to clup a ocean depth raster later to the coast of an area. 13 hours later it finished (see pictures)]1 The first picture shows the polygon I wanted to clip the raster ...
3
votes
1answer
67 views

How to Add Name of Different Category in Attribute Table

I'm stuck in a problem when I started calculating area in arcmap 10.1. In the picture, I categorize my polygon into four unique labels - i.e. vegetation, sand fill, water body, built-up area. Now I ...
1
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1answer
58 views

ArcGIS - how to join attributes of overlapping polygons

Given two tables each with unique attribute sets, how do I merge the attributes of one layer onto the other, or create a new layer containing the attributes from both? The image shows my two layers: ...
2
votes
1answer
40 views

Add leading zeros to data frame label

This is in ArcMap 10.0. When using data frames to label UTM coordinates, I'm sometimes asked to add leading zeros (e.g., 590 would become 00590) to the tick or line labels of the data frame. I'd ...
0
votes
1answer
48 views

Grouping layers in Table of Contents in ArcGIS for Desktop?

I'm trying to group layers in the table of content so that I can expand or collapse them as needed. Not sure how. I'm using ArcGIS 10.3 for Desktop.
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2answers
35 views

Comparing areas of polygon over time

I have three polygon shapefiles that each represent water (lakes, ponds, rivers) for three different time periods (1990, 2000, 2010). Each shapefile has over 1 million polygons/attributes and were ...
0
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1answer
31 views

Files resulting in dBASE table and projection file but not shapefile

Received data from an agency I'm working with. The documentation they included said what they're sending me is a shapefil. When I go into ArcCatalog all that appears is a dbase table and project file. ...