All Questions
8,055 questions
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58
views
Setting up a dynamic spreadsheet to join with feature layer in ArcMap
I am building a map of about 500 storage units that are being acquired and relocated, each unit is represented as a polygon. Each polygon is coded by Unit Number and will go through about 5 different ...
0
votes
0
answers
58
views
How to change the size of a tool window in ArcMap 10.7
I'm doing a ton of Attribute Transferring utilizing the Spatial Adjustment toolbar.
When I use the Attribute Transfer Tool it opens a select a source feature window
and the Select a Destination ...
0
votes
1
answer
113
views
Delete MS Word-Object in Dataview with ArcPy (ArcMap)
My mxd has a dataframe which contains a MS Word-Object ("Insert" - "Object").
The Object was added to data view.
I want to access the MXD dataframe in PyScripter using
arcpy....
1
vote
0
answers
107
views
Euclidean Distance error in ArcMap 10.8.2
I'm a beginner in GIS.
I've trying to form a buffer for:
a road layer and 3 others:
rivers, villages and protected areas
in ArcMap using Euclidean Distance tool, but I'm getting an error when I set ...
0
votes
0
answers
110
views
Calculate Field Tool in ArcMap to add objectid to a string
The table is in an Oracle Enterprise Geodatabase. As for the language processor I am unsure.
In an ArcMap table I am trying to use the Field Calculator to place the objectid with a string of text.
Ex. ...
2
votes
2
answers
301
views
Adding coordinates to point feature with missing location
I have received some data from a third party that includes some point and line features that have no location information. I have the coordinates which I would like to use to provide that location ...
0
votes
0
answers
66
views
My while loop in ArcMap using ArcPy is not giving what I want
I have revised my code I am trying to get cumulative catchments from a table in arcmap using a table, I am using four fields namely CatName(cid), Area(Load) and DS(Downstream Node) , I want the ...
0
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0
answers
47
views
How to put TIFF orthomosaic in GCS projection show up over LAS dataset and rasters
I'm working in ArcMap. I have an orthomosaic (TIFF) that was originally projected in WGS 1984 and EGM2008 vertical datum. I need it to match up with a LAS dataset and the associated rasters, which are ...
0
votes
1
answer
151
views
How to extract year from a date and compare it with current year in order to select records with date equal to current year?
I would like to extract year from a date in ArcMap definition query and compare it to current year in order to select only records with same year as current year.
The problem I am facing is that the ...
0
votes
0
answers
26
views
Sum rasters without clipping
I'm using Raster Calculator in ArcMap.
Is there a way to make operations between rasters in a way that the output raster is not clipped with the same extent of the smaller raster considered in the ...
1
vote
0
answers
41
views
ArcMap Skyline Tool only returns a part of the desired output
I'm aware there are multiple posts on this matter, but those did not provide the help I was looking for.
Background: I have a set of points in a shapefile from which I want to generate a skyline ...
1
vote
0
answers
78
views
Ignoring Python warning messages in ArcMap
I want to calculate the OD Cost Matrix in ArcMap 10.3.1 using the ArcPy package. When running the arcpy.Solve_na, the Python console prints a lot of warning messages. After a while, ArcMap crashes, ...
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votes
0
answers
72
views
What does the metadata tell you about an image and its sensor?
I'm using a software called ERDAS and my tutor says that the Metadata can be used to detect which sensor your image came from. Is there anything you can tell me that links the metadata to the sensor?
...
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votes
0
answers
22
views
Merging Subswaths with ERDAS Imagine
Does anyone have experience with merging subswaths of a SLC Sentinel 1 image in ERDAS Imagine? I cannot find the right function for it.
0
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0
answers
27
views
Unable to bring up attributes for a feature
When I select the layer in question as the only selectable layer, I am able to use Open Attribute Table and open the attribute table for the entire layer. However, when I right click a feature in the ...
0
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0
answers
79
views
Random error iterating add fields (multiple) to folder of shapefiles
I have a folder of shapefiles in iterating through and a series of processes. I am getting several seemingly random errors, between which field is the issue or on which shapefile it happens to, mostly ...
0
votes
0
answers
38
views
Setting M Values to nearest foot
I am using 10.8.2, is there a way that after I draw a line the M Values can be auto-rounded to the nearest foot, without me going to "edit sketch" and changing them myself? All I am doing is ...
0
votes
1
answer
200
views
Register a view in ArcGIS returns error 999999
I have created a view in an enterprise geodatabase (SQL Server) using arcpy.management.CreateDatabaseView.
It shows correctly in ArcMap, and now I want to register it properly. I have done this many ...
-1
votes
1
answer
83
views
Error message 000800 when using Summary Statistics in ArcMap
I am a new GIS user working in ArcMap and am having a problem with the Summary Statistics tool. I want to calculate the area burned per California County using a new field 'Area_Acres' that I added to ...
1
vote
0
answers
45
views
How to fill/calculate a field in ArcGIS 10.5 based on condition of another field using Python [closed]
I have three fields in a featureclass. they are G_landuse (General Landuse), detail_lan (Detail landuse) and Type. Some values of G_landuse are blank.
I want to fill all blank values of G_landuse ...
0
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0
answers
49
views
Create a raster which has a value of 1 for where a class of object is present and a value of 0 when it is not in ArcGIS
I have probably explained this very badly, but basically I have polygons which outline the extent of individual fish farms in a lake. I have created a 1km by 1km fishnet of the area within said lake, ...
1
vote
1
answer
87
views
Different NDVI Values for Landcover classes for Sentinel-2 and Landsat-8
I created a classified image of my study area using random tree classifier method as shown:-
Fig 1: Classified Image of Landsat-8
Fig: Classified Image of Sentinel-2
I now want to classify image ...
0
votes
1
answer
76
views
Merging features on the same ID but other attributes combined [closed]
I have a layer with data:
ID | Attribute1 | Attribute2
1 x b
2 x c
3 y d
4 y e
5 z f
I want to dissolve ...
1
vote
0
answers
48
views
Mirror points at points [closed]
I want to mirror points (airports) outside a city at the city center. Is there any tool to mirror points at points?
In one layer I defined european airports as points. In another I defined the city ...
1
vote
1
answer
85
views
Iterate feature classes then clip, but skip if output is empty
I want to make a ModelBuilder tool that takes shapefiles from a specific folder and clips them. The shapefiles cover an entire country and I have to clip them to project areas when we have new ...
0
votes
0
answers
91
views
How to grant editing permissions for editing shapefiles
A user in my company is trying to edit shapefiles on his machine via ArcMap. However, when he tries to start an editing session, he gets an error message saying no layers are editable and warnings ...
0
votes
0
answers
36
views
Size difference in ArcMap and QGIS
I am working with Wildfire simulation software that creates outputs for burnt areas (rasters and shapefiles) in ArcMap. Now when I open these rasters or shapefiles in QGIS the size of the area shrinks,...
1
vote
1
answer
49
views
Select legend items in ArcMap
I have classified class interval with pixel value (i.e. >1 & < 0 ) as Non-Bamboo area after excluding these values in image classification. However, these classes appear in 2 rows in legends ...
0
votes
0
answers
19
views
Creating table from distance raster
I have made a distance raster in ArcMap using the Euclidean Distance tool from one town to another that appears to be OK (see attached image). I'm trying to determine the distance from each parcel in ...
1
vote
0
answers
846
views
Formula for SMI Calculation for Sentinel-2
The formula for Soil Moisture Index Calculation is written as; Soil Moisture Index= (NIR-SWIR)/(NIR+SWIR). So, what is the perfect formula for SMI calculation for Sentinel-2? SMI = (B8-B12) or (B8-B11)...
0
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0
answers
67
views
Field Calculator to generate a hyperlink
I am trying to create a hyperlink using the field calculator the problem is the field I am pulling from has numbers and letters and I only need to pull the numbers. I am currently using this field ...
0
votes
0
answers
80
views
Seeking geological standard symbol for folding
I'm looking for a symbol for a geological map.
And I can't find it. It's a symbol to represent the folding of the geological layers.
0
votes
0
answers
115
views
Bamboo Index Value not between -1 & +1
I calculated the NDVI (Fig 1) & SMI (Soil Moisture Index i.e. Fig 2) for Landsat-8 with value obtained between -1 and 1.
Figure: Symbology with NDVI value for Landsat-8 for year 2023
Figure: ...
0
votes
1
answer
136
views
Layer package file generated in 2019 does not open anymore in arcmap 10.4.1
I constructed a landform map in Arcmap for a region in Africa (made with a DEM) that cost me quite some time to make. When trying to open it, I get the pop-up box "could not open specified file&...
0
votes
1
answer
39
views
Creating line feature with multiple record
I am trying to create line feature with multiple record in ArcGIS 10.8. Actually I am working on FTTH project there I need to draw 12 f fiber which single cable contains 12 separate threads in it and ...
0
votes
0
answers
77
views
ArcGIS MapServer publish custom Basemap
I have ArcGIS Server 10.8.1 and ArcMap 10.8.2. I have a basemap from Maxar in TIFF format. How do I publish it to the ArcGIS server?
Currently I can only publish those TIFF as a raster data layer onto ...
1
vote
0
answers
271
views
"Shape Integrity error" on ArcMap when reading from PostGIS database [closed]
I have a query that creates Polygons/Multipolygons from union of a polygons from table in postgres using postgis. The spatial objects created all read as valid in postgis and all are Polygons/...
1
vote
3
answers
133
views
Changing query for layer does not change table inserted in layout using ArcMap
I have a layer in the TOC, with a query on a field. Then in layout view, I insert the table to the layout.
When I change the query the table does not update automatically. Then I double click on the ...
0
votes
1
answer
66
views
Does Landsat satellite image should have raster value to -1 and 1?
I am calculating the NDVI for Landsat-8 using the formula as shown below:-
But the pixel value rendered is as shown below: -
But the NDVI values need to be between -1 and +1 however, the value ...
0
votes
2
answers
44
views
Symbology to layers not working
I want to apply layer symbology to all TIFF in a group layer but it does not work:
import arcpy
mxd = arcpy.mapping.MapDocument("CURRENT")
df = mxd.activeDataFrame
groupName = "New ...
0
votes
1
answer
296
views
Exporting four band TIFF for transparency (alpha channel) using ArcMap
I am using ArcMap 10.8. I try to add a fourth band with my TIFF to extract it by mask and NOT have a black box arroud with NoData values. In the end I need a four band PNG with transparency layer. ...
0
votes
2
answers
141
views
Converting multiband raster to polygon in ArcMap
I'm currently using ArcMap 10.8
I want to convert a Multiband Raster with 3 band with each band represent the RGB value, so I can calculate the area of each value (classification) in a smaller ...
0
votes
1
answer
201
views
How to add an Vector Tile Service to ArcMap (ArcGIS Desktop 10.5.1)
ESRI produces and provides access to several styled vector tile services (https://developers.arcgis.com/rest/basemap-styles/ ), but I'm having trouble adding those to ArcMap.
0
votes
2
answers
154
views
How to use symbol systems configured in ArcMap in GeoServer
I configured symbol systems for some polygon features in ArcMap, which include symbols with fill patterns and some symbols with slanted lines. I exported these symbol systems as LYR files, then ...
0
votes
2
answers
58
views
Adding new rows to attribute table/changing polygon's attribute
I'm using a shapefile of district boundaries. There are multiple districts which have the same name but belong to different provinces. In a few of these cases, the attribute table incorrectly ...
1
vote
3
answers
74
views
Script field calculation Python parser
I am trying to use the field calculator to create an alphanumeric sequence, I tried to write a statement but I don't know what is wrong.
So my sequence would be in a field called "Field_number&...
0
votes
1
answer
43
views
Merge file of certain coordinates to shapefile of cities using ArcMap
I am using ArcMap 10.8.
I have a shapefile of cities with their info like name, population and area so I have calculated each city's density of population. Now I have some certain coordinates and I ...
0
votes
1
answer
76
views
Optimizing rasters and .mxd file to read them faster
I'm using ArcGIS Desktop 10.4 and have large raster and vector files on server which should be available for other PCs to see (they are viewing them in ArcReader).
So far, I compressed rasters in ...
0
votes
0
answers
26
views
Using values in raster to extend a raster/polygon to contour/LiDAR value
I'm using ArcMap.
I have a raster of flood levels (LiDAR + a water depth).
I want to add 50mm onto the flood level raster which I can do with raster calculator.
But then what I want to do is 'extend' ...
1
vote
0
answers
39
views
ArcMap PYT toolbox open so slow every time starting new .mxd
I am using ArcMap 10.8.
If I put this class (code below) in a empty PYT toolbox, it will take more than 10 seconds to open, everytime starting a new mxd.
So far I find the reason is the default value ...