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Questions tagged [data-management]

concerns the methodologies and processes for managaing geospatial data

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Changing tab order on GeoNode landing page

Is there a practical way to change the tab order (and/or remove one of the tabs if desired) on the GeoNode landing page as shown below?
Melanie's user avatar
  • 159
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0 answers
22 views

Failure to convert DEM into 'boolean' data type

When I try to convert layer data type (by using PCRaster), I get the following message: QGIS version: 3.36.0-Maidenhead QGIS code revision: 09951dc0 Qt version: 5.15.3 Python version: 3.9.18 GDAL ...
Simon's user avatar
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1 vote
1 answer
116 views

Load default project from GPKG

One can store QGIS projects in GPKG files. This is handy if one wants to keep data and representation tightly together. Is there a way to configure or define a project, which is stored in a GPKG, so ...
bugmenot123's user avatar
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1 answer
29 views

Separate feature classes for individual entities vs one feature class with all entities as records. How to update for edits?

I have designed a directory on my computer with different multiple categorical geodatabases of boundary data. For example, using my Cities_and_Towns geodatabase, this GDB has 13 feature classes of ...
Art Pastor's user avatar
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32 views

Creating a MultiPolygon field that includes multiple

I have been tasked with creating a new polygon layer to include lat/long of atleast 5 vertices. I have a sample of the fields of another customer they work with and I cannot seem to find out anywhere ...
Cam's user avatar
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41 views

Cannot use Near() due to schema lock

I have recently been able to add 2 layers to the Table of Contents is ArcGIS Pro using ArcPy. It uses code like this: ResultPath1 = r"*DirectFilePath*.gdb\GeocodedDonationLocations" # ...
Xanderxombie 's user avatar
2 votes
1 answer
206 views

QGIS : how can I keep data while removing the source file?

I imported some .kmz files to QGIS as vector layers. Now, I want to keep this data but remove the files : I want the data to be stored (baked) in the qgis file itself. How can I do that ?
gordie's user avatar
  • 274
4 votes
2 answers
257 views

How can I use spatially filtered PostGIS layers in QGIS without losing the ability to edit them in QGIS?

I have some vector layers for a whole country stored in a PostGIS database. I want to use that data in different QGIS projects that stand for different regions of the country. In the regional QGIS ...
Enzo Baldini's user avatar
  • 2,337
1 vote
2 answers
198 views

Array transformation: RasterStacks of time-series into Array of matrices

I have 9 RasterStacks with 65 layers containing time-series of satellite imagery. Each stack contains a time-serie of each Sentinel-2 band (B2, B3, B4, B5, B6, B7, B8, B11 and B12). The shape of the ...
sermomon's user avatar
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2 votes
0 answers
174 views

SelectLayerByAttribute in ArcPy creating copy of layer

I'm trying to use the SelectByAttribute_management tool in ArcPy using : import arcpy arcpy.management.SelectLayerByAttribute("Name_Layer",'NEW_SELECTION') When I write it in the console, ...
Alex's user avatar
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4 votes
1 answer
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Is it possible to define a spatial resolution for a Geometry column in PostGIS?

In various spatial file formats, it is possible to define the spatial resolution (tolerance), for which a vector geometry is saved and treated (Oracle DB, ArcGIS). e.g. if the geometry layer is using ...
EranGeo's user avatar
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1 vote
1 answer
120 views

Joining attributes from two features classes (ArcGIS Pro)

I have two feature classes containing building footprint polygons. Both are of the same area and can be superimposed (not 100% but very close). However, they do not have the same attributes. Therefore ...
ali_is's user avatar
  • 27
4 votes
2 answers
727 views

Using Python Toolbox Parameters

I want to specify an input for each column of the 'field compare' parameter, so it would be 'baseFeatures' would link just to the 'Base Fields' column and 'updatedFeatures' would just link to the '...
P-Rosa's user avatar
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12 votes
2 answers
13k views

Exporting single band from multiband raster in QGIS

In QGIS 3.16.8 I have a raster image in TIFF format which has 17 bands. I need to extract different band combinations as separate image files. Some of the combinations consist of images with single ...
srinivas's user avatar
  • 123
1 vote
0 answers
91 views

Line that returns to the same point using XY To Line

I am using XY To Line in ArcMap 10.7 to project the direction a fish swims between acoustic receivers (points). There are instances where the fish swims away from a point and back to the same point. ...
Jo Harris's user avatar
2 votes
2 answers
307 views

Duplicating data for use in new ArcMap project

I am using ArcMap 10.8.1. I wanted to make a new project based on the same data as an existing project, so I duplicated the project file and started editing one of the layers in Editor Mode. I then ...
Ned's user avatar
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1 vote
1 answer
878 views

Export Attachments using Python script to modify file name [ArcGIS Desktop 10.8.1]

I'm trying to export photo attachments from a railroad crossings dataset taken with ArcGIS Collector, and would like to customize the naming convention so that the file name contains the crossing ...
Kathryn Wesson's user avatar
1 vote
1 answer
737 views

Advanced editor tracking in ArcGIS Pro

Is there a way to track edits which have been made to a feature class in ArcGIS Pro? I.e. a field being auto populated which would give information in regards to what kind of edit has been made, e.g. &...
R Garcia's user avatar
1 vote
0 answers
27 views

Syncing data without an External Key?

I'm working with ArcGIS for desktop. I have received data from a third party and am trying to update my CAD system via GISLink. In order to connect the new data with the currently-used data, certain ...
Olive's user avatar
  • 133
1 vote
1 answer
456 views

How do you store/organize/manage your own data? [closed]

Lately I was wondering how one could or should store his/her own data. As I studied GIS and I am working on different private projects using GIS data, a lot of data have accumulated on my local hard ...
the_chimp's user avatar
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2 answers
846 views

I want to create composite band image through batch processing using ArcPy

I have multiple Sentinel 2a raster images in separated folders at same location, which means every image is in separate folder. Now I want to create composite band of each raster. I have written a ...
Siddhartha Dhara's user avatar
-1 votes
1 answer
520 views

Creating composite band image form multiple Sentinel 2 raster data using ArcPy

I have multiple Sentinel 2a raster images in separated folders at same location, which means every image is in separate folder. Now I want to create composite band of each raster. I have written a ...
Siddhartha Dhara's user avatar
0 votes
0 answers
277 views

ArcGIS Pro Python Validate and Alter Field Names

I want to check if the field names in shapefile start with a number (or other forbidden character) or if they contain spaces. If so I want to update the names into some which are correct. I tried: ...
Anna's user avatar
  • 13
1 vote
1 answer
113 views

Combine duplicate rows but keep class information?

I'm stuck trying to figure out how to avoid combining and deleting duplicate values manually. I'm working with parcel data, and based on some property information, each parcel is either in group a, b, ...
Tim G's user avatar
  • 13
2 votes
3 answers
5k views

Managing large data files, vector and raster, in QGIS 3

I work for a local authority so use data covering a large area. Therefore some datasets I use become large and cumbersome. For example I have a vector layer for contours and a raster layer for ...
boberdorf's user avatar
  • 1,357
0 votes
1 answer
55 views

Dataframe data handling or SQL Query in ArcMap

I'm trying to perform an SQL query in ArcMap with the following data set, and I have not been able to solve the problem. The idea is to keep all the information of the columns, but for example if the ...
Wolkuz's user avatar
  • 11
1 vote
1 answer
121 views

How do I find content in ArcGIS Online which is not in a folder

I have a lot of content on AGOL, most of it is divided into folders. However there are some datasets which are not in folders and only exist under All My Content. How do I find the datasets which are ...
TeddyTedTed's user avatar
  • 6,130
1 vote
1 answer
30 views

Adding Raster to Table of Content in ArcPy without losing information on General tab on layer properties?

I use the following python script to generate the layer file (.lyr) from raster in Geodatabase import arcpy raster = "Raster path in gdb" LYRpath = "C:...\layername.lyr" arcpy....
Pally Zaki's user avatar
-1 votes
1 answer
128 views

Making XY Event Layer into Copy Feature layer using ArcPy?

I am taking a CSV file and importing it with the XY Event feature layer. I then am trying to use the Copy Feature tool to get "Object ID" assigned to each row in order to run an attribute query. My ...
Will's user avatar
  • 43
1 vote
1 answer
368 views

Shapefile, clip or project first when both are necessary

This is a question mostly out of curiosity, but I do it enough if there were a better choice I would stick with that. Using ArcMap 10.6, when a shapefile needs both clipped and projected is there an ...
sparky's user avatar
  • 450
2 votes
2 answers
496 views

GUI for managing GeoPackage (and other geodata forms)?

I know that the browser in QGIS has quite a bit of capability for managing GeoPackages and other geodata, but I was wondering if there was a lightweight, standalone tool similar to ArcCatalog?
Llaves's user avatar
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1 vote
4 answers
3k views

Can you move a gdb from one folder to another and keep the files?

I've copied a .gdb folder from a main folder to another and all the files that were created using ArcMap weren't there in the copied folder. Why weren't these weren't moved as well? Shouldn't they ...
user130347's user avatar
1 vote
0 answers
52 views

Editor Tracking setting on a FGDB preventing data display in QGIS

I have a File Geodatabase containing a polyline feature class. I can drag this into QGIS (3.0.0) and view the data in a read-only format. This is fine, for the purposes of the majority of users of ...
RobinHorner's user avatar
0 votes
0 answers
122 views

New Feature Layer isn't showing up in Geodatabase

I've been using the following script to add a new layer to a geodatabase. arcpy.env.overwriteOutput = True in_features = "lease_polygon_testing" out_layer= "lease_polygon_testing_Layer3" ...
Anne Gilligan's user avatar
3 votes
0 answers
123 views

Raster NoData Value

So over the years working with elevation and image rasters in various formats I always kind of ignore the value of No Data. I usually just let the software/vendor/someone else decide on the value for ...
Cody Brown's user avatar
  • 4,387
1 vote
1 answer
386 views

Copying rasters which are intersecting with polygons using ArcPy?

I'm new to ArcPy and to Python in general. I have a huge raster dataset of all over the World (~1000 tiles .tif) and i'd like to automatically copy the tiles which are intersecting with 24 polygons (...
JBihin's user avatar
  • 373
1 vote
0 answers
126 views

Maintaining point data attributes when creating polylines?

I created a model in ModelBuilder to take a set GPS coordinates (containing latitude, longitude, timestamp, user_id) from different users, create a polyline feature class, and then split the polyline ...
mrgeo's user avatar
  • 213
2 votes
2 answers
483 views

FME and WebDAV resources

FME is capable of reading and writing from and to a broad variety of data sources and formats, but is it somehow possible to read/write from/to a WebDAV resource with FME? A cloud storage solution ...
Eva Großmann's user avatar
0 votes
0 answers
306 views

Seeking open source Metadata management tool [duplicate]

I am looking for an open source web based metadata management tool for geographic data. I have gone through Seeking Open Source ISO Metadata Editor? It recommends a tool like Geonetwork. Geonetwork at ...
Jio's user avatar
  • 652
0 votes
1 answer
643 views

Storing large amount of geotiff? [closed]

I have about one million small geotiff files of a same region at different time. This should be a small amount of data, comparing to many other GIS applications. However, storing them as separate ...
Kattern's user avatar
  • 111
3 votes
0 answers
51 views

File Shortcuts For Datasets? [duplicate]

Each of my projects is a directory in which I have the following folders: Data/.. (contains .shp files, tables, and rasters in various formats) Maps/.. (contains .mxd files that depend on the files ...
Wassadamo's user avatar
  • 331
2 votes
3 answers
1k views

Splitting layer based on ID

I have a single layer of points I need to split into separate layers based on the unique ID. Below is an example of how the points are labeled. First digit is the feature number and after the decimal ...
Stephen's user avatar
  • 29
2 votes
1 answer
330 views

How to Split attribute tables into new records (Data Management)

(Arcgis user) I created a fgdb for inspections in the Esri Collector app. How can i create a export table of the feature that splits the fieldnames into seperated records related to fieldname Code? ...
Nick Beekers's user avatar
0 votes
1 answer
275 views

Possible data corruption when copying geodatabases to and from multiple hard drives

I hope to manage an ArcGIS Pro project and geodatabase between my personal laptop, external hard drive, and a shared office computer. For the current project, I am accessing files from one ...
ellejay's user avatar
  • 133
5 votes
2 answers
658 views

Geodatabase compression schedule

Is there a way to schedule a GDB on an SQL server to automatically compress once a day? As of right now I need to remember to open catalog and compress a Geodatabase manually everyday.
Ryan's user avatar
  • 311
2 votes
1 answer
360 views

Join Attributes by Location giving NULL values in Python Standalone Application

I’ve been working on a standalone Python application using the QGIS Processing Framework. For my application, I am supposed to determine average values of a field from a polygonal vector layer along ...
Benjamin's user avatar
  • 154
2 votes
2 answers
730 views

Create Fishnet option

I'm using ArcGIS and closely following this tutorial http://economics.mit.edu/files/8945 to process data in ArcMap. My problem arises because in my software I can't find the Create Fishnet option in ...
user88746's user avatar
3 votes
3 answers
6k views

Count points within each buffer QGIS

What I am trying to accomplish is to find the number of points that intersect a created buffer. I.E. I have a layer called "Buildings", for each building I have fixed distance buffers (<400m). I ...
Vahagn Tumanyan's user avatar
5 votes
3 answers
1k views

Using SSURGO data without MS Access?

I'm building a GIS for a large-scale family farm. We don't have a lot of resources to devote to this, as it's a new part of the farming operation and therefore viewed with some reserved skepticism. ...
Lindsay's user avatar
  • 81
0 votes
1 answer
109 views

Feature class error in Feature compare (Data Management) analysis

I have some troubles on performing a feature compare data analysis. I created a new feature layer with different point variables, see picture. The two different colored points are from two different ...
Soil33's user avatar
  • 5