All Questions
1,864 questions with no upvoted or accepted answers
3
votes
2
answers
2k
views
ArcMap Query Layer passing invalid SQL to Oracle
In two different environments I'm having trouble using ArcMap 10.0 SP3 Query Layers to view SDO_GEOMETRY (point) data in Oracle 11.2 (11gR2).
Points are in Oracle stored under SDO_GEOMETRY, 2001 type (...
- 3,698
2
votes
0
answers
188
views
Changing coordinate system and extent of shapefile in ArcMap
I am using ArcGIS Desktop 10.8.2.
I tried to change the coordinate system in a shapefile from TM65 / Irish National Grid to the coordinate system of a raster file (wgs_1984) opened in the same session....
- 61
2
votes
0
answers
555
views
ASCII to Raster conversion issues
I am struggling to convert (modified) ASCII files to rasters (examples attached + image of error message). Original ASCII files (which I don't have) were delimited using Excel after which they are tab ...
- 31
2
votes
0
answers
97
views
Setting XY tolerance in a feature class doesn't prevent creation of vertices distanced less than the defined tolerance
What I want is to do is to create a feature class where I am not allowed to create a new vertex if it's closer than 5m. to another vertex.
In a geodatabase, I create a feature class setting the XY ...
- 371
2
votes
1
answer
162
views
If lyr.visible = True
In this very simple code, my program keeps failing at line 4, if lyr.visible = True:, yet if I use Print lyr.visible instead, I receive the response "True" or "False" for each ...
- 21
2
votes
0
answers
140
views
GeoServer legend in ArcMap
I have created a WMS service showing a simple polygon layer with three categories which I use for styling.
In QGIS I can simply expand/click the layer in Layers panel and see the legend.
In ArcMap ...
- 77.9k
2
votes
1
answer
1k
views
Enable input DMS option in ArcMap while georeferencing
I am a newbie to ArcMap. I tried to georeference a map in JPEG format using the "input DMS..." option. But it is grayed out, the only option available is to choose X, and Y coordinates even ...
2
votes
0
answers
27
views
How to use a tail, line callout with traffic sign symbology using ArcMap
I would like to create a map, showing traffic signs in a city. The traffic signs are in one feature class, I have symbolized the signs using different symbols (Note the symbols are picture marker ...
- 21
2
votes
0
answers
44
views
ArcPy producing wrong slope map using Spatial Analyst with ArcMap
I wrote a Python script which is supposed to produce a slope map with 6 classes each one being from 0-3.99, 4-9.99, 10-15.99, 16-30.99, 31-60.99, 61+ (Although for testing purposes the max is 789.54). ...
- 45
2
votes
0
answers
490
views
Generating Points Along Lines not starting at the start of my line feature
I am trying to generate chainage points in 50m intervals on a road system including the start and end of the line. Each road is its own single continuous line and while attempting to solve my issue, I ...
- 21
2
votes
0
answers
232
views
Combining labels for multiple points in ArcMap
I have a data set that has stacked points. I need to display the labels as one. I've seen this solution Can labels for overlapping points be combined/merged into one label? but it only works for a ...
- 21
2
votes
0
answers
32
views
Identify objectID of multiline to connect them in ArcPy
I have two sheets; in each there is a road network, but drawn by different people. Now I want to connect those lines that are intersected by the index sheets
as I shown below, but what I found is some ...
- 19
2
votes
0
answers
55
views
What is going on in ArcMap AddIn?
I have an ArcMap-addin which is working from ArcMap 10.2 until 10.8 but since an undefinite time in undefined circumstances there happen things that I can't explain. I'm searching for the cause while ...
- 1,165
2
votes
0
answers
116
views
Keep date and timestamp when converting from PostgreSQL/PostGIS to Esri File-Geodatabase using Spatialite
I use ogr2ogr to export geodata from PostGIS to SpatiaLite like follows:
ogr2ogr -f SQLite -dsco SPATIALITE=yes C:/target.sqlite PG:"connectionstring" -sql "select * from blabla"
...
- 1,181
2
votes
0
answers
161
views
How can I prevent KML files from losing resolution when exporting them to an iPad?
I have created a KML from a polygon in ArcMap. The KML is the same in Google Earth as it is in ArcMap. When I load the KML onto my iPad, it loses resolution; it no longer has the level of detail it ...
- 185
2
votes
0
answers
112
views
Getting Holes in Orthomosaic using ArcMap
I'm having some problem combining DEM rasters (tif-files) into one layer. I'm using the function "Mosaic to New Raster" in data management and the result is a combined DEM raster with holes ...
- 59
2
votes
1
answer
82
views
Migrate attributes from old line feature to a new one where differences in geometry and common attribute exist between the two
I recently received an older Centerline modified by an external consulting firm my management team hired (which they contracted out GIS work for without consulting their own GIS staff, go figure.)
As ...
- 317
2
votes
2
answers
494
views
Allowing Null-values in Shape field in UPDM feature classes
I am using Esri's Utility and Pipeline Data Model (UPDM) found here and need to add some records with Null-Geometries, that can be updated later when required. The allow null property for shape field ...
- 428
2
votes
1
answer
96
views
Why ExportToTIFF() gets TIFFs without pyramids?
What I want to do is to add layers (which are TIFF files) one by one to the current MXD file, and export the MXD in TIFF format. It lacks pyramids however now with the way I code.
Here is my code, ...
2
votes
0
answers
72
views
Convert raster to polygon using Image Analysis function
After many years I discovered the power of Image Analysis functions. They work much faster than similar raster calculations.
However I am struggling with one of the function called Pixel-To-Vector:
...
- 23.3k
2
votes
0
answers
476
views
ArcMap KML Displaying Red X for Point Symbology in Google Earth
I used the "layer to kml" tool on a point layer that I had symbolized with standard symbols in ArcMap 10.4.1. I then brought the KML into Google Earth and some of the point symbols are red X'...
- 21
2
votes
0
answers
32
views
Distance between two layers along the road network
I have four layers:
Crime
School
Census tract
Street
I want to calculate the distance between one school to each crime incident along with the road network. Moreover, Those school and crime ...
- 115
2
votes
1
answer
1k
views
Calculating spatial correlation between two datasets using ArcMap and Spatial Analyst
I am using ArcMap and the Spatial Analyst extension.
I am trying to find a correlation between my raster datasets. For example, for Net Primary Production (NPP) model I used too many input datasets ...
2
votes
0
answers
118
views
Do PNG files suffer performance for scaled read over ERDAS Imagine (.img) files?
So I have a 20 GB in size Raster Image in .img format. Though I will be examining the code, to find out why, I am AMAZED at how quickly QGIS renders the entire file in a scaled format, and prior to ...
- 21
2
votes
1
answer
203
views
Matching polygons to intersecting polygons using ArcMap
I am trying to match a set of polygons (A) to another set of polygons (B) using ArcMap. Both sets overlap themselves, and each other. Here's an example of what it looks like in my data:
The green ...
- 21
2
votes
0
answers
31
views
Find Optimal Subset of Feature Layer Based on Spatial Criteria & Attributes
I'm using a Census tract shapefile with their corresponding attributes of interest within ArcMap 10.7.1.
My project goal is to identify the subset of tracts that share a line segment while:
...
2
votes
0
answers
224
views
Why does raster still have pixels around edge when clipped?
I am trying to clip a raster in ArcMap 10.6 (derived from 'make nedcdf raster') to the shape of the Ireland polygon and I keep getting back pixels around the edge:
I have tried 'Clip' in 'Data ...
- 61
2
votes
0
answers
172
views
Choosing observer points for Viewshed tool in ArcMap to identify visibility of landform
I am using ArcMap 10.8.
I want to create a polygon that shows all the areas within a region from which an observer could see a specific mountain.
I created a polygon around the mountain, and I'm going ...
- 101
2
votes
1
answer
129
views
Select features that share the same value in a certain column but also have different values in a different column
I have a dataset of plants, they are many different plant species that are given a numerical code in a column in the attribute table, but they are located in different land types which was also ...
- 21
2
votes
0
answers
62
views
Using ModelBuilder Project Tool
I'm using ModelBuilder in ArcGIS Desktop 10.6.
I have a model I've created that takes an input .CSV file with coordinates/projection that re-projects the input coordinates into several other ...
- 93
2
votes
0
answers
148
views
Converting 3-band raster of a topo map into Unique Values with Colormap or by Reclassifying using ArcMap
I'm using a 1998 USGS topo map for a geologic map base in ArcMap 10.5.1. Right now, the topo raster is in 3-bands with an unsigned 8-bit pixel type. Strictly for cartographic reasons, I need to strip ...
- 29
2
votes
0
answers
685
views
Selecting by location AND attribute using one query
I am using ArcMap 10.8 and ArcGIS Pro 2.7
I have two feature classes: one containing currently uploaded county address points (cad_n) and the other containing updated county address points (d_n). A ...
- 133
2
votes
0
answers
470
views
Understanding units in Kernel Density analysis using ArcMap
I'm having trouble understanding the units from a Kernel Density analysis in ArcMap.
The Context: I am analyzing how many structures will be damaged by sea-level rise in a coastal community. I have ...
- 21
2
votes
0
answers
44
views
Linear Referencing and Z measurements
I am trying to build a linear reference route that uses the DEM derived distance instead of the default 2D distance. I have tried this How To (https://support.esri.com/en/technical-article/000008984) ...
- 21
2
votes
0
answers
118
views
ArcMap ModelBuilder iterate Raster and Feature Class with Raster Calculator
In our model we calculate raster datasets with the cost distance and the raster calculator. We want to multiply these with a field value from the table testbezirk. We have already tried a few things, ...
- 21
2
votes
1
answer
272
views
DSM void filling results into problems with pixels (using ArcMap)
Before writing here I exhausted any online resources, blogs, videos etc I could find. Here's my problem, with photos and a thorough explanation.
I have a very high res DSM (5m) that has holes (voids). ...
2
votes
1
answer
891
views
Select polyline features and see total length in ArcMap
I have a layer of polylines representing sewer mains. I want to break the layer down into groups of approximately the same length and area.
Is there a way I can select multiple features in ArcMap and ...
- 1,357
2
votes
0
answers
72
views
How to deal with extreme values messing up Graduated colours? (ArcMap)
Is there an easy way to deal with extreme values messing up the Graduated colours of a map and skew the intervals in such a way that the colour ramp still makes visible sense?
I have a map displaying ...
- 41
2
votes
2
answers
432
views
Maximum Likelihhod Classification - Error 010108 and Error 010067
I'm trying to run a supervised classification on a Landsat8 multi-band raster in ArcMap. Every time I run the classification, it returns Error 010108 and Error 010067. The 010108 error says
The number ...
- 35
2
votes
0
answers
106
views
Releasing ArcMap memory by removing *.sr.lock files from shapefiles
Is there a method of removing *.sr.lock files from shapefiles to release memory consumption without closing out of an ArcMap application? I am attempting to run code that will cycle through 200+ ...
- 101
2
votes
0
answers
206
views
The project does not build. The command “esriRegasm.exe …” exited with code -1
I want to build the project to create a tool with ArcObjects in Visual Studio. I get this error:
The command "esriRegasm.exe "...Project1.dll" /p:Desktop /s" exited with code -1.
...
- 91
2
votes
0
answers
196
views
Joining attribute of smaller polygon to attribute of biggest polygon when they are overlapping
I have two shapefile layers which include polygons. Each polygon on the first shapefile overlaps a polygon on the other shapefile.
I am trying to join the attribute of smaller polygons to the ...
- 137
2
votes
0
answers
66
views
Solving color correction of LISS IV Multispectral image
I have a LISS IV multispectral images (radiometric resolution of 10 bit per pixel) taken in different months 4 tile in January and 2 tiles taken in February.
While mosaicing, I got a different color ...
- 21
2
votes
1
answer
3k
views
Unable to open shapefile in ArcMap. "Error: Failed to open the dataset." Question mark icon and "ml" prefix on file name
ArcMap and ArcCatalog both show the a "?" next to several shapefiles in the catalog window. Additionally, a two-letter prefix "ml" has been added to the file name, but only when ...
- 21
2
votes
0
answers
48
views
Making Symbology Scales same in ArcMap
I am using two sets of data, 'Part' and 'Total'. The part set is what you would think, a fraction of the total. Part = 13 , Total = 29.
I want to overlap this data on a map using Graduated Symbols but ...
- 69
2
votes
0
answers
168
views
Deleting large temp files created in Image Analysis
I have a question about large temp files generated using Image Analysis in ArcMap.
I have been working with large digital elevation modesl and have been using Image Analysis to create hillshade and ...
- 21
2
votes
0
answers
75
views
Counting corners of a polygon
I have a square polygon with 4 sides, but the starting point is in the middle of a line between two corners of the square. If I count the vertices with the Python script !shape!.pointcount I get the ...
2
votes
0
answers
21
views
Using ArcMap to build a Terrain DEM that looks exactly the same as a TIN built from the same point shapefile
I am attempting to replicate DEMs previously constructed as TINs in the Terrain format. Building a Terrain and a TIN out of the same point shapefile produces two maps that look extremely similar, but ...
- 21
2
votes
0
answers
107
views
Magic Wand equivalent
Is there any analog in ArcGIS Desktop (10.6) of Photoshop's magic wand tool? I have a raster layer that has clearly defined polygons is there any tool that is able to click to select the areas and ...
- 21
2
votes
0
answers
428
views
Calculating Nth percentile from table in ModelBuilder of ArcMap
I am trying to build a complex tool, using ModelBuilder and I am new at this.
I have two feature classes full of polygons:
The first contains 1300 polygons, dividing a city in zones (ex: residential, ...
- 31