Questions tagged [metadata]
Data about data
2
votes
1answer
14 views
Changing metadata using ArcPy of ArcGIS Pro?
Is there any ArcPy function or classes which allow us to change map and layout metadata within ArcGIS Pro?
0
votes
0answers
12 views
Where do I find the date for a specific NED raster?
I am looking at stream height and flooding. As there are seasonal differences in flood severity, knowing what month or general time of year of the image(s) is essential.
I downloaded a 3m National ...
0
votes
0answers
28 views
How to get QGIS layer information saved in JSON format?
I have called a URL to load imagery. Once the imagery is loaded in QGIS, I want the information of this layer (metadata), as seen in the below picture, to be stored in JSON format.
NOTE: It can be ...
2
votes
1answer
54 views
What is the minimum `metadata` specification for the Open Data Cube?
There is a standard metadata definition here, but I would like to create a new one, with only the absolutely required fields.
What is the minimum set of values that can be used to define a metadata ...
0
votes
0answers
22 views
Retrieving Landsat cloud percentage without downloading the data
Is there any way to get the cloud percentage information from metadata of Landsat data without downloading it? I would like a Python solution if one is available.
2
votes
1answer
47 views
ArcToolbox Item Descriptions Are All Blank
I have freshly installed ArcGIS 10.6 on a desktop machine with a new image of Windows 10. When I open ArcToolbox and right-click on any tool for the Item Descriptions, I am presented with a blank ...
2
votes
0answers
28 views
Exporting ArcGIS Metadata to HTML with thumbnail?
I’m trying to export metadata as a pdf using ArcMap v10.6.1, but am unable to export it with the thumbnail. The output has "Thumbnail is not available." (see screenshot below). Would you know how to ...
0
votes
1answer
24 views
When adding properties to an image, no longer allowed to add to Map
If I create an image, that I add properties to, I can no longer add the image to the Map. How can I add it, or how can I add properties so that it doesn't break?
var myPoint = ee.Geometry.Point([-64....
1
vote
1answer
38 views
Determining True North from drone footage?
I recently surveyed a site using a drone (not my own). I have composited together roughly 20 images to form an overall image of the site; however, this composited image contains no metadata pertaining ...
2
votes
1answer
26 views
GeoNetwork address format
In GeoNetwork 3.4, the default format for Metadata information "Contact" is the American Format i.e. street, nummer, city, Postal Code, Country
example: Rue Vautier 29, Bruxelles, 1000, Belgium
...
1
vote
0answers
23 views
Updating shapefile metadata to show up in ArcCatalog?
I am attempting to update the metadata for a variety of shapefiles to change the information under 'Summary' (or 'Purpose'), 'Description' (or 'Abstract'), etc. in ArcCatalog's Description tab.
I am ...
1
vote
2answers
152 views
Using LAStools to repair headers for several LiDAR files?
So, I have 21 LiDAR files with incorrect information in their file headers. For example, when I import a single file into R using the following code, I get several warnings saying that there are no ...
1
vote
2answers
126 views
File header incorrectly reporting 0 point records in R?
I have a set of 10 LiDAR files that I'm attempting to retile and eventually use to create a Canopy Height model. I'm able to import them as a catalog, however when I go to retile my catalog, I get the ...
0
votes
1answer
29 views
Geonetwork metadata title length
In geonetwork I have truncated metadata file title when I do a search. Sometimes it is only a few characters that are missing so I try to increase the number of characters that can be displayed.
in ...
0
votes
1answer
156 views
Using GDAL or Python, how can I merge/combine 3 NITF images (RGB) into one image and keep the RPC metadata intact?
I'm looking to merge 3 imagery bands that are saved as separate files. The file format is NITF. The reason they are saved as NITF is because they have RPC metadata embedded into the images. I would ...
1
vote
1answer
51 views
How to extract values from metadata in sentinel 2 images
I am trying to composite an image with the mean value of the METADATA layer "CLOUDY_PIXEL_PERCENTAGE" for every pixel.
My goal is to do this for monthly mean values, but I can't find the way to ...
0
votes
1answer
20 views
When I add the Metadata of an image as a band, the band has different projection than the image
I am trying to add system:time_start as a band in my image, so that when I mosaic the image collection, I retain the time value of each pixel. I am doing this in Landsat data. However, when I add the ...
1
vote
1answer
322 views
What happened to Worldgrids.org?
I am working on a manuscript using the gridded soil type data product obtained from worldgrids.org and need to cite the data source. However the domain has expired. Does anyone have any idea what ...
1
vote
3answers
112 views
Maximum number of returns per laser pulse in airborne LiDAR?
What is the maximum amount of returns a discrete aerial laser scanner is capable of recording?
For example in a LAS 1.2 metadata under Point Data Records there is the category
'Number of Returns' ...
5
votes
2answers
61 views
Extending ArcGIS Metadata Style?
I want to extend metadata style. I want to add three new fields in metadata of feature class.
I know there are different standards of metadata which ArcGIS Supports.
Is there any way or possibility ...
1
vote
0answers
40 views
Get a large area landsat 8 metadata from earth-engine
Obviously the code below will returned null because there's no picture in landsat 8 will contain such a large area.
#python
geometry = ee.Geometry.Polygon(
[[73.0, 25.0],
[73.0, 49.0],
...
0
votes
1answer
22 views
Radiance Calculation of Landsat 7 with Google Earth Engine(search for gain and bias)
I need to calculate the Radiance of Landsat 7 in GEE
I read in Data Users Handbook under 5.6.5 how to do this. Here it says, these Values are accessible in the Metadata. Now I am searching the ...
1
vote
1answer
135 views
How to effectively write METADATA to GeoTIFF with GDAL utils other than gdal_translate
I can write some metadata to GeoTIFF with gdal_translate using -mo, example:
gdal_translate in.tif out.tif -mo TIFFTAG_ARTIST="It was me" -mo TIFFTAG_IMAGEDESCRIPTION="This data my layer"
I suppose ...
1
vote
1answer
92 views
Editing raster band metadata using GDAL?
How does one manually change STATISTIC_MIN/STATISTIC_MAX metadata within a raster band using gdal?
I want to preserve the color scale but ensure that the STATISTIC values are set as needed.
0
votes
1answer
47 views
PDAL info with docker yields no output?
I am using pdal info within a docker env for a specific .las file (~2 GB).
docker run -v /Users/user.name/workspaces/testData:/data pdal/pdal pdal info /data/sp.las --developer-debug
Unfortunately, ...
0
votes
1answer
22 views
Reading metadata from existing datasets in ArcCatalog?
I would like to know which ArcPy functions can be used to read metadata from existing datasets in ArcCatalog?
0
votes
1answer
45 views
Publishing metadata (.xml) for every single row in table on GeoServer?
How do I publish metadata in xml format for every single row in a table via Geoserver?
In details, I know i can use GeoNetwork or OpenGeo Suite(Boundless) for publish metadatas but I am very curious ...
1
vote
1answer
180 views
Storing metadata in Geopackage for QGIS?
Is there a way to store metadata in a Geopackage along with the layer data?
I'm using QGIS 2.18.24. When you add or edit metadata via the "Metadata" pane of the layer's Properties, this is saved in ...
2
votes
1answer
102 views
Getting SRID Well Known Text (WKT) metadata from PostgreSQL?
The SRID metadata is showed by, e.g., this web page:
Definition: Well Known Text (WKT)
PROJCS["UTM Zone 24, Northern Hemisphere",
GEOGCS["GRS 1980(IUGG, 1980)",
DATUM["...
2
votes
1answer
44 views
Editing shapefile Item Description > Summary in ArcPy?
Is there a way to edit a shapefile's Item Description > Summary in ArcPy?
I can right click on the shapefile in catalog, select Item Description, then click edit... but I want to automate this in ...
0
votes
1answer
449 views
TypeError: unhashable type: 'dict' when using shapefile with arcpy_metadata module
I am having an issue with the arcpy_metadata module. I have a simple shapefile I am trying to load into the MetadataEditor:
import arcpy, os, sys,env
import arcpy_metadata as md
myfeatures = "C:/...
1
vote
1answer
328 views
Using Python to create xml metadata files for different file types
I have a folder with 3 subfolder, each having a different type of data. Folder_A and Folder_B have standard shapefiles (about 3 shapefiles in each folder). Folder_C has .tif grid files (about 100). I ...
3
votes
1answer
388 views
Retrieving exif tags from GeoTiff with GDAL?
I work on toolkit that automatically classifies data from a bunch of aerial cameras. Each camera uses geotagging to store position and time metadata in EXIF tags.
When I use GDAL (I use version 2.0....
1
vote
1answer
127 views
Georeferencing metadata in GeoTIFF files
I am generating maps as TIFFs using the raster package (writeRaster) in R to generate small tiles, then as a final step, combining the tiles via the GDAL script gdal_merge.py.
I thought the resulting ...
1
vote
1answer
162 views
How to edit the metadata for individual bands of a multiband raster, preferably with GDAL?
I created a multiband raster using the gdal_merge.py utility where each band represents a measurement from a different year:
gdal_merge.py -o stack.tif -ot float32 -separate -a_nodata -9999 DEM_2012....
0
votes
1answer
239 views
Updating multiple attribute fields in metadata XML with ArcPy? [closed]
Updating multiple field attributes through Python in an XML metadata doc export. There are multiple fields, so the XML tags for each unique field are all the same:
<attr>
<...
0
votes
0answers
29 views
Trying to update the temporal extent description field with Python
I am able to call out and update the temporal extent begin and end dates, but the Description field is also required in ArcCatalog for metadata creation. In my script, I am trying to define it as:
...
1
vote
0answers
15 views
Trying to Load a Contact in Metadata through Python and ArcMap
Attempting to create a metadata contact and then use that contact to load in to the Resource Citation Contact and the Metadata Citation Contact metadata fields. The metadata library has an element in ...
1
vote
0answers
42 views
Python and ArcGIS Metadata Parsing Script
Currently building a GDB with 100+ feature classes which will need metadata elements for certain fields to be used in an online tool popup. I am working on a Python script to update these elements, ...
4
votes
4answers
330 views
Editing metadata in PostGIS database?
I have imported several Shapefiles into PostgreSQL+PostGIS database. However, it seems that the database doesn't support metadata. I can't find a way to visit or edit metadata for the datasets. I don'...
2
votes
0answers
247 views
QGIS 3 Metadata to ISO XML
Just found out that QGis 3.x has a metadata editor. That is great! Is there a tool to convert the metadata saved by QGIS (.qmd file) to a ISO-xml standard metadata file?
Why am I asking this: I ...
2
votes
1answer
144 views
Naming conventions for LiDAR files?
I can't figure out what is specifically being referenced by the names of these .las files:
They correspond to a specific quadrangle, but can't figure out quite how.
1
vote
0answers
78 views
Metadata Updating in QGIS?
I am working in QGIS.
Is there a way you can lock the metadata so that no one can edit or change anything except me?
3
votes
1answer
299 views
Add layer keywords to WMTS GetCapabilities response using GeoServer?
In the past I have been entering keywords in "Edit Layer" section of GeoServer. These keywords have shown up on a per layer basis in the "KeywordList" section of a WMS GetCapabilities response, which ...
0
votes
1answer
395 views
Add bands' name and description to the Metadata when stacking using rasterio
I'm using this code, of @Loïc Dutrieux, to stack 8 Landsat bands.
with rasterio.open(final_list[0]) as src0:
meta = src0.meta
with rasterio.open('stack.tif', 'w', **meta) as dst:
for id, layer ...
0
votes
0answers
21 views
ArcGIS metadata file pathname removal
I’m having trouble editing metadata of a shapefile. I am attempting to remove locational details (file pathnames) from the metadata and I am unable to accomplish this for all entries.
I was ...
4
votes
1answer
368 views
Rasterio: Use case for src.meta vs. src.profile when reading and writing rasters?
When I read a raster in with rasterio (version 0.36.0) in Python, I can call up the metadata in two ways:
src = rasterio.open(my_raster)
src.profile
{'affine': Affine(1.0, 0.0, 401900.0, 0.0, -1.0, ...
3
votes
1answer
174 views
GDAL/OGR ogrinfo for shapefiles in python
This might be a dumb question, but I wasn't able to find the answer anywhere.
Reading the metadata of a raster file in Python using GDAL is as easy as:
result = str(gdal.Info(raster.tif))
print ...
1
vote
2answers
300 views
How to import and transform metadata in shapefile in QGIS?
I know nothing about metadata so my question will seem a bit dumb.
I found metadata on the net that I want to use in a shapefile in QGIS, but I have no idea on how to do it. I tried the metatools ...
4
votes
1answer
381 views
QGIS 3.x Metadata
I tried the new Metadata-Editor (layer-props) in QGIS 3.0.x and in my case QGIS did not save the metadata with apply/save (tried SHP, GPKG layers) and closing the dialog - only when using "Metadata" - ...
