Questions tagged [arcgis-desktop]
Use this tag when ArcGIS Desktop is the product you are using but also tag for the application (ArcGIS Pro or ArcMap) that you are using.
20,968
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Learning ArcGIS Spatial Analyst? [closed]
Does anyone know of some resources to learn more about Spatial Analyst and raster analysis?
I'd like to sharpen up for some job stuff, but I'd like to find some resources to practice on.
6
votes
2
answers
728
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Automating creation of toe of slope from DEM using ArcMap
I was looking for an automated process to "identify" the toe of a slope from a DEM and ran across this Esri thread and technique:
I am at Step 7 but have no idea how this is accomplished. I ...
-1
votes
1
answer
2k
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Automatic Clustering in ArcGIS for Desktop? [closed]
Given a set of random data points on a map, I would like to cluster the data points based on number of data points in a cluster, time to travel within all the data points in the cluster,and/or number ...
6
votes
1
answer
1k
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How to call arcpy.RefreshActiveView() every 5 seconds using ArcGIS Python?
I have an Excel macro that generates random values after every 5 secs and I am reading it in ArcGIS for Desktop... to refresh the view I have to press f5 and the view gets updated. Now I want to ...
4
votes
1
answer
1k
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Getting 000210 Error trying to wirte output to in_memory workspace in ModelBuilder?
My model gives this error message when it tries to do the Clip function
Here is the first half of the model showing the parameters used in the clip function
I have successfully run this model when ...
0
votes
1
answer
620
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Can I use a blob defined field to store more than 255 Text characters?
As the title states, i´m not sure whether I should/can use a blob field to store text. I need to increase the amount of text in a field to over 255. Is the blob the way to go?
2
votes
1
answer
2k
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How to use reclassify tool in ModelBuilder?
I have a model which buffers line features by a variable and then rasterizes them. I then need to reclassify before I am finished processing.
My issue is that I cannot access the values to reclassify ...
3
votes
2
answers
823
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Labeling large number of streets in ArcGIS
Anyone know of a decent way to label a large street network for large scale printing that doesn't involve manual editing/shifting? Even with advance placement properties there seems to be a number of ...
7
votes
4
answers
38k
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Converting File Geodatabase feature classes to shapefiles in ArcMap
How can I convert a File Geodatabase feature class into a shapefile?
I found the help for ArcGIS Desktop 10.1 and it tells me:
On the main menu, click Customize > Toolbars > Production Mapping
...
2
votes
2
answers
2k
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Using ModeBuilder to populate a table with the feature count of multiple feature classes
Specs: I'm using ArcInfo 10.1 and have all extensions available to me.
I have a folder with many file geodatabases.
Each file geodatabase contains 2 feature classes. One is a point fc and the ...
1
vote
1
answer
390
views
How to calculate the sum of all cells in a raster layer upstream of a specific point?
I have a rainfall map which covers large area. However, I'm interested in the total value of rainfall over a specific subcatchment. If I don't have the shapefile which defines the boundary of this ...
1
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1
answer
56
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How to Compress/Stack Landscape features to examine spatial distribution and fragmentation?
I was wondering if anyone could help me figure out how to compress landscape information from multiple rasters (or polygons) into a single output. Basically, I want to explore how landscape ...
4
votes
1
answer
4k
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Filling gaps in raster to zero value cells?
I am trying to add some forest elevations to a DEM using an ArcView (Basic) level license of ArcGIS Desktop. I have converted a polygon feature class of a forest into a raster with the same ...
2
votes
1
answer
576
views
Automating calculation of Population Density in Census Tracts?
I am quite new to Python and I am attempting to practice by making a simple program with ArcGIS. I wanted to make a script that automated the calculation of population density of selected census ...
2
votes
0
answers
129
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ArcGIS - Table columns lose formatting when I make a new copy of shapefile (Decimals, Thousands separator, Highlighting)
When I make a copy of a shapefile or I join two shapefiles and then create a subsequent shapefile, my number type columns (in the attribute table) will default back to numbers with many decimals and ...
3
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5
answers
3k
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what is the suitable projection coordinate system for Iran
I am doing analysis for province wise Iran. I am using WGS1984 as my geographical coordinate system, and I do not know which is suitable Projection coordinate system for entire Iran.
I feel the UTM ...
3
votes
1
answer
4k
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Merging multiple feature datasets while maintaining shapefiles for respective point, line and polygon files nested using ArcMap
I've been doing some digging and a few days of playing around with my data in ArcMap (Advanced level license) but I haven't been able to find a solution to merging datasets, which consist of many ...
1
vote
1
answer
92
views
Weight dependent routing in ArcGIS
I'm looking for a solution to the following problem.
I want to find the shortest route for a truck, picking up garbage from households. I know the amount of garbage each household is producing and I ...
2
votes
1
answer
739
views
If I convert a TIN to a raster in ArcGIS will results from the two versions of the surface be comparable?
I have converted a TIN to a raster. I found that the top of a bund wall shifts laterally in position between the TIN and the raster into which it has been converted using the TIN to raster tool in ...
1
vote
0
answers
109
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SQL Server query, simillar to Symmetrical Difference in ArcMap
i have two tables with geometry data in SQL Server. How can I get all geometry differences with spatial query? I tried:
select k.geom.STSymDifference(r.geom).ToString() from table1 k, table2 r
But ...
1
vote
1
answer
2k
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Use of Raster Calculator in ModelBuilder
I have the following equation:
3000*(1-exp((-0.000664)*input raster))
I want to make a tool to use this equation on raster images. I want to do this with the Raster Calculator with the help of ...
1
vote
2
answers
4k
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Perform "Add Join" on multiple tables ArcMap or R
The operation I want to perform is the Add join in ArcMap 10.0. It works perfectly when done with one file but I need to do it with a few hundreds tables.
What I have is ONE shapefile with divisions, ...
1
vote
2
answers
2k
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Paper Size and Symbol Size in ArcMap
I am new to ArcMap. I have an assignment to prepare map of each wards of a municipality. The data are point features. I need to print the map in different scales. like 1:2500, 1:5000 and also in ...
1
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2
answers
4k
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How to add shapefile as layer to map using Python and ArcPy? [duplicate]
I am working on an application and I am a beginner in Python :(
I want to add a shapefile, the execution is successful and everything but no result appears on ArcMap, here is the code I use:
import ...
0
votes
1
answer
81
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mile distance around each feature ArcGIS
I have a school layer information and a route map layer. In ArcMap, how can I show the x mile distance around each school base on route information.
I did some research and I found different ...
0
votes
3
answers
184
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Many to Many Efficient Routing using ArcMap
I am given a large set of random locations and a set of set office location. I would like to map the random locations to the set of office locations based on travel time and efficiency of the route ...
5
votes
1
answer
1k
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Convert linear polygons to lines
I have some long linear polygons that I'd rather store as lines but I'm not sure how best to do this. Ideally I'd have a line going through the centre of the polygon lengthways. I have two ideas of ...
1
vote
2
answers
652
views
Coordinates values change for ArcGIS
I have received thousands of location information like below.
X= 10°52.579 Y= 078°38.473
I don't have idea in which format is this, please let me know what is the format of this location and ...
0
votes
1
answer
386
views
Calculating least cost pathways for region and create distance rasters to rivers using ArcMap [duplicate]
I am using ArcMap.
How do you calculate all the least cost pathways that exists for a region?
I would like the output map to display all routes (and was wondering whether this can be done in one set ...
4
votes
1
answer
1k
views
Using raster calculator in ModelBuilder to batch reclassify hundreds of rasters?
I'm attempting to use iterate by raster to feed all the files through a simple map algebra expression (I'm looking at data that indicates probability of salamander habitat) so I want to reclassify the ...
2
votes
1
answer
49
views
Automatically chopping lumps off polygons
I have a load of polygons that were originally digitised from CAD. These unfortunately include traingles that were used to sybolise the direction the polygon is facing. As can be seen here:
The ...
0
votes
2
answers
1k
views
Geodatabase add current date and time to attribute
Is it possible in Arcmap 10.0 to create a geodatabase feature class that has a date field which auto populates with the current date and time, every time a new feature is created? Is this possible ...
1
vote
1
answer
116
views
Can I export an imagery directly to a geo-referenced raster form File|Export Map in Arcmap?
While using File|Export to export an imagery to raster, is there a way to have it geo-referenced in a way that if I load the exported raster into the map, the image sits exactly in its place without ...
2
votes
2
answers
2k
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How to check if vertex exists (on polyline) based on location of point layer using ArcPy?
Using ArcGIS for Desktop Advanced 10.1 (with all extensions)
I am building a centerline network that will be used by a MapObjects program to do routing based on "turns at any vertex" (as opposed to ...
3
votes
1
answer
1k
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converting vectors to raster (burning streams)
I converted my stream vector to a raster file (using polyline to raster conversion tool). I anticipated that I would get a No Data row in the raster file attribute table, so that I could use a ...
0
votes
1
answer
348
views
Point to Polygon toolbox crash
Using ArcGIS Basic 10.1, there is a symbol of a paper scroll next to the tool, instead of the hammer symbol. That is the only tool I click on that crashes my program.
I am not sure what that paper ...
1
vote
2
answers
474
views
Creating specific sub-study area in ArcGIS Desktop and classifying symboloy?
I am using ArcGIS Desktop 10.1.
My study area is quite large (sometimes spanning across a few grid squares) and when I am running a viewshed analysis or calculating slope or euclidean distance it ...
3
votes
2
answers
1k
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Calculating distance of sites to riverways using ArcGIS Desktop?
How do you calculate the distance of about 10 sites scattered across a region to bodies of water (rivers and lakes) using ArcGIS 10.1?
I have the lat/lon coordinates of the 10 sites as a point ...
4
votes
1
answer
18k
views
Exporting online Esri basemap layers to raster using ArcMap
I have been working on polygonizing the vegetation areas in some counties from imagery. When I have the mosaic raster locally I can easily get the polygons using Image Classification Toolbar. But when ...
2
votes
1
answer
146
views
Choosing area (of mxn metres) within raster that have values above certain range
I've got a raster of concentrations of iron on Mars and I want to be able to choose several areas of either m by n dimensions in metres, or just any area in m^2, that encapsulate regions that have ...
3
votes
1
answer
789
views
How to use Collect Values and Tabulate Areas in ModelBuilder?
I have problems with the Tabulate Area tool.
The polygons in my shapefile overlap and because of this ArcMap does not calculate proper values.
I try to solve this using ModelBuilder where it is ...
1
vote
2
answers
307
views
How to bring 3D object into 3D application?
I'm doing some GIS as part of my college course and have just started to do some 3D modelling, I'm really a GIS novice, The module is short (only 5 lectures) My lecturer has said that it is possible ...
5
votes
1
answer
3k
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Performing Cost Path analysis in ArcMap
Is it possible to model the easiest pathway through a landscape between many points (rather than just two)?
I want to carry out a cost-path analysis, I would like to display the easiest pathways ...
3
votes
3
answers
97
views
Reporting Analysis Steps in ArcMap?
Is there any way to report all the steps I did within a ArcMap 10 project. this could help me to:
Make a Metadata description
Trackback possible errors afterwards and/or control the analysis
Easier ...
3
votes
2
answers
2k
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How to Speed Up ArcGIS 10.1 for Desktop Generating Near Table on Polygon Feature Classes?
I am trying to create a near table to link two datasets. The first consists of the outlines of about 1.8 million buildings, the second a 3 meter buffer around these buildings, which as been merged ...
5
votes
3
answers
10k
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Iterate through multiple Raster files and compute statistics using Zonal Statistics
I have a large number of raster images. What I'd like to do is to compute statistics on different sections of these raster files using a polygon. I think everyone is suggesting Zonal statistics. ...
0
votes
1
answer
1k
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How to clip point features by polygon grid?
I am trying to adapt the "Batch clip in ArcGIS 10" script I found on GIS.StackExchange to my needs. I would like to do this in Python as a learning experiment. My data:
Point data
Standard numbered ...
35
votes
2
answers
18k
views
LAS to DEM conversion [closed]
I regularly come across LiDAR (.LAS) files with elevation data. When I do, I always struggle to find a way of converting them to a DEM for hydrological analysis. I have developed several workflows, ...
1
vote
1
answer
6k
views
Adding feature layer to ArcMap from url
Is it possible to somehow load feature layer from REST (like: ArcGIS Example Service) to ArcMap? No need to edit that layer, we just need to select data from it and then create a local FeatureClass.
2
votes
3
answers
4k
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How to symbolize a layer on multiple fields?
I'm working in ArcGIS 10.
I have a layer that contains 8 attributes and each one of these fields can be categorized into 3 sub categories. I need to display them on a single map.
Update
I tried ...