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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Empty ShapeLength when running Insert Cursor for Polyline
I'm looking to create a new feature class using only selected data from a source feature class. I can get this to work but the ShapeLength field is 0 when I run this script and therefore the feature ...
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124
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What projection should I use to find true distance between two points?
I am a beginner of ArcGIS and I encounter a problem of true distance.
I used "create fishnet" to have a grid map within 0-40N, 20E-90E.
Suppose each two points are connected with a railway/road (...
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190
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Does the geodatabase administrator login rebuild indexes for datasets not owned by the login?
According to the ESRI documentation, the Rebuild Indexes tool
is used in databases and enterprise, workgroup, and desktop
geodatabases to rebuild existing attribute or spatial indexes. In
...
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71
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Getting points inside selected feature in ArcGIS Desktop?
I have incorporated district map of India and excel table contents(which consist latitude, longitude and fire data)using add data feature in ArcGIS Desktop.
I have attached the picture below to show ...
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1
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2k
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Restoring a shapefile on ArcMap
I just edited a shapefile in ArcMap and I was unaware that this would edit the shapefile in ALL ArcMap documents in which I had used it.
I want to restore this shapefile but cannot figure out how.
...
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78
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Finding area of three overlaying rasters in ArcMap?
I have to find the area of three overlaying rasters which are DEM,LULC and Total Evapotranspiration at the same time so that I can find the landuse landcover area and evapotranspiration of land at a ...
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635
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How to combine two different raster attribute tables into one table?
How to combine two different raster attribute tables into one table? There is no common value.
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41
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Using ArcGIS Desktop to find data folder?
I am taking a GIS certification course on Courseera. I downloaded the ArcGIS for desktop 10.3.1. I am trying to work with ArcMap. I created a GIS folder on my desktop and followed the steps -given to ...
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105
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Calculating incremental closest distance in ArcGIS Network Analyst?
I have two sets of points:
set "Destinations" has 417 entries(SmallList);
set "Origins" has 15336 entries(BigList).
My goal is to do a calculation regarding driving distance, that will result in a ...
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54
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Modification of Line Density using ArcGIS Desktop?
I am using ArcGIS Desktop 10.1.
I need to calculate Line Density for polyline vector but the "Search radius" option must be replaced by something like the Neighborhood option in Focal Statistics.
I ...
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242
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String slicing in ArcMap dynamic text element
Is it possible to slice a string in ArcMap's HTML-like dynamic text elements?
I've got a string field "Code" with contents like 'A.3.5', I need to extract the number in the middle ('3' in this case). ...
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942
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Combining points close to one another
I need an approach to combine points close one to another into a common point.
I can take an average of points' {lat, long} to create one point.
How I can do this with ArcMap or Python? I have an ...
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31
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Exporting feature's geometry coordinates to readable file
I'm new to ArcGIS and I'm am trying to export the coordinates on the bottom to a human-readable file, see example below.
How can I accomplish this?
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198
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How to create quadralinear polygons around a set of points
I have a point shapefile of locations of trees in an orchard that are almost, but not quite, on a grid. The orchard is divided into plots made up of groups of trees that either in a rectangle of rows ...
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162
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For periodic updates can a geodatabase table be replaced?
I am pulling in CSV tables, that are updated frequently, into a file geodatabase. Is there a way to overwrite the old table with the new one?
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255
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Using Row Iterator and IDW in ModelBuilder?
I am using ModelBuilder to perform inverse distance weighting. I would like to interpolate values using a point file with values for several unique dates - resulting in a raster dataset for each ...
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1
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1k
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Fill the color of polygons with some attribute value using ArcGIS
I have a large set of polygon features where I need to add some attribute value in "Name" field. Because it is a large set of polygons I want to have all polygons where I have add the value to be ...
2
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1
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383
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Merging multiple rasters applying priority rules using ArcGIS Desktop?
I have three raster layers covering the same geographic area. I would like to merge them into a single raster layer. The layers have different levels of importance, so I would like the merge to move ...
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52
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Joining separate parcels based on group ID into one large group
What tool would I use to group many parcels into its own respective group. For example, if parcels A, B , C have group ID of 1 then I would like to have parcels A, B, and C combined into one larger ...
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210
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Processing OS Highways data into a network dataset [closed]
I am looking for advice in how to process highways data into a network dataset in ArcGIS for use in the Network Analyst extension
My company has a partners contract so i have access to the data, but ...
0
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2
answers
90
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Naming features along line in ascending order
I want to name the features in a featureclass in ascending order alphabetically. I have a line with a direction and I want the one closest to the start to be A, the next closest B etc. When I get to a ...
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50
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Add spatial index to versioned feature class
I try to add spatial index to versioned feature class (Oracle SDE) using toolbox "Add Spatial Index" in ArcGIS 10.6 . When I try it as Data owner I have error message -"Tool must be run as owner of ...
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81
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Geographic scale of model and covariate significance using ArcGIS Spatial Analyst and R?
A few months back I created a spatial logistic regression model of terrestrial skunk rabies in Arizona/Colorado/New Mexico/Utah. A link to the project can be found here (https://docs.wixstatic.com/ugd/...
2
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1
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635
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Controlling sub-model processing order within master ModelBuilder model?
Background:
Using ArcGIS Desktop 10.5.1, I've automated a task that requires three separate models to run in a particular sequence: model_1, then model_2, then model_3 (models 2 and 3 each start with ...
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2
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127
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In ARCGIS 10.5 mxd I need to put definition query for one layer as Current Year in Year fields , What i need to set the query
I have a feature class and related info in another table, the table having fields as Year, Year having values like - 2016,2017,2018,2019... Presently I Put the definition query for table Year = 2018 ...
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352
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Extracting attributes from one layer into another layer's different features using ArcGIS Desktop? [closed]
I am trying to work out how to do something in ArcGIS Desktop 10.6 and just can't find a way. I have a land use map of an area as seen in the first picture. I have this layer in both polygon and ...
3
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2
answers
484
views
Split By Attributes tool not recognizing Feature Dataset as Target Workspace?
Using ArcGIS Desktop 10.5.1, I have a FGDB that contains a feature dataset. I would like the output from the "Split By Attributes" tool to go inside this feature dataset. However, the tool does not ...
2
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2
answers
447
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Performing Split By Attributes on OBJECTID?
Using ArcGIS Desktop, 10.5.1, I need to "explode" a singlepart polygon FGDB Feature Class into separate FCs.
For example, if the input FC contains 3 polygons, the output will be 3 separate FCs, each ...
-1
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1
answer
2k
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Multiple Legends the same for ArcMap?
I'm trying to create a single legend for multiple maps. Each map is for a different year, and has the same set of polygons. The polygons on each map display a different range of values.
For example ...
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178
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Photorealistic texturing in Building footprints using Ortho rectified satellite image
Is there any way of photorealistic texturing of 2D Building footprints with height field/3D building/Multipatch using ortho-rectified high resolution satellite image (Building Footprints Created from ...
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25
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Project tool swallows data [closed]
I want to project my data into another coordinate system.
I tried using the Project tool but when I opened the attribute table after ArcGIS said it had finished it was empty.
I also tried using ...
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2
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2k
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Define Projection Error
When I try to use the define projection tool to change the projection of a layer it will not work for some reason. I am not sure what to do about this. I am trying to change it do GCS_WGS_84
Removing ...
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61
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Computing volume of pits with a variable surface edge in a DEM? Multiple TINS per surface? [closed]
I have a DEM of the seafloor. The grid is highly variable, with scour pits throughout the lower right quadrant. I want to compute volume for these pits. It seems all the standard tools such as Cut/...
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253
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Is there a limit to the number of raster layers in Raster Calculator?
I have 16-day Enhanced Vegetation Index (EVI) images for an area across roughly 10 years. 244 images in all. I would like to average these over the time period to get an average EVI value.
Is there ...
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1
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345
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Feature Split by Attribute in different folders
I want to split a vector by an attribute but instead of getting all of them in a single folder, I need them by separate folders (say the same attribute I´m splitting, or another).
I tried splitting ...
3
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1
answer
2k
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Choose name of outputs in ArcGIS ModelBuilder?
How can I automatically rename all new datasets/layers (ModelBuilder outputs) in ModelBuilder using ArcGIS Desktop based on one predefined new name or, alternatively, based on the name of the first ...
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1
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88
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Iterate bug in ArcGIS ModelBuilder?
When I add inn an iterator into my model, the first tool (which in this case is "make XY event layer") keeps running in a loop. This occurs even if the iterator is not even connected to anything. Once ...
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1
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982
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Why does the raster calculator only give out 1 and 0 values
I have a problem with the raster calculator of ArcMap 10.5.1 because it only gives out a raster with 0 an 1 values. I'd like to calculate the Leaf Area Index out of a NDVI-Raster by using this ...
4
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3
answers
1k
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Converting full road names to abbreviation using ArcGIS field calculator?
I have a data table with a column 'names' that have street names with street type (Road, Lane, Street etc.). I need to get the names in a format like in column 'new_names'using field calculator in ...
10
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2
answers
10k
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Creating missing .shx file?
I am using ArcGIS Desktop to view one shapefile.
Only a select number of features are being displayed. The same number are showing in the attribute table even though the database file (.dbf) has a ...
0
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2
answers
2k
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How to label features based on categories in the attribute column of ArcMap?
I have the below shown attribute table:
I would like to label the features with the name for the points under the category 'AMN' only as shown in the last column of the above figure. Can anyone ...
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0
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44
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White grid appears when reprojecting DEM in ArcGIS Desktop?
I am using ArcGIS Desktop 10.5.
I have a DEM .tif archive, in WGS 84. The specifics are:
Then, I try to reproject it to WGS 84 UTM 19S.
Project and transformations -> Raster-> Project Raster
I use ...
0
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0
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111
views
ArcMap fails to convert all records from CSV file using Table to Table geoprocessing tool
I am using the table to table geoprocessing tool to convert a CSV file with nearly 5 million records into an GDB table in a file geodatabase. The tool succeeds each time, but only 603 records are ...
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2
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134
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Why do we need to make correction manually in flow direction files
I have created flow direction and flow accumulation files for my DEM. Using the feature to point function, Ive got all the points in point form and then I converted them to arrows.
But most of the ...
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1
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108
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Stream order and stream number
I am Getting higher stream number for lower order streams in my analysis on ArcGIS, order 6 has more streams than order 5. is this common in morphometric analysis?
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2
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115
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Understanding Neighborhood Majority Statistic in ArcGIS Desktop?
Here both 12 and 13 are equal so would the neighborhood majority be null for this 3 by 3 neighborhood?
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292
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Is the natural neighbor an exact interpolator in ArcGIS
Is the natural neighbor ( or even nearest neighbor) considered an exact interpolator? I believe splining or kriging could be considered exact... but what about the natural or nearest neighbor?
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315
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Snapping two line shapefiles according to attribute field value using ArcGIS Desktop?
I have a two line shapefiles (Trace.shp and Snap.shp). There is a GIS_ID field in both files. Now I want to snap "Snap.shp" to "Trace.shp" according to GIS_ID value. I have tried to use Snap tool for ...
0
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2
answers
906
views
Using Split By Attributes in ArcGIS ModelBuilder?
I wish to use "split by attribute" tool in ArcGIS ModelBuilder to split a shapefile (points with metadata) into different groups based on a parameter. The tool works and creates for example 4 .dpf ...
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60
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Adding *.gdb to ArcGIS user interface?
cnn.Open "Provider=Microsoft.Jet.OLEDB.4.0;" & _
"Data Source=C:\Workspace\Data.gdb"
rst.Open "SELECT DISTINCT [Adi],[KimlikNo]FROM MahalleSiniri ORDER BY [Adi];", _
cnn, ...