Questions tagged [metadata]
Data about data
1
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1answer
36 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
0answers
12 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
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0answers
16 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
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2answers
108 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
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2answers
106 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
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1answer
21 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
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1answer
47 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
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1answer
38 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
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0answers
12 views
Update multiple layer file source paths and metadata xmls with arcpy
I have a directory holding multiple layer files with sources in an associated SDE as Feature Classes. I am attempting to, for each of the layers in my directory, change the layer's source path from ...
0
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0answers
21 views
Sentinel2 CLOUDY_PIXEL_PERCENTAGE Metadata Wrong
I'm working with Sentinel2 data in Google Earth Engine and trying to filter out cloudy images/granules. When I filter by CLOUDY_PIXEL_PERCENTAGE < 50, I still get some images that are fully cloudy -...
-1
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0answers
16 views
Reading GADM metadata with QGIS?
I am a beginner in using QGIS.
How do I read GADM metadata map using QGIS?
My main objective is to see the numbers assigned to each districts of Malawi so that I will be able to match it when I do ...
0
votes
1answer
18 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 ...
0
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1answer
247 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 ...
0
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0answers
28 views
How to display on PostgreSQL the shapefile metadata
I'm a beginner on PostgreSQL/PostGIS. I'm working in a project using a spatial data base which I'm trying to display, on PostgreSQL, the shapefile metadata of each file. As every metadata is on ...
1
vote
3answers
65 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' ...
4
votes
2answers
44 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
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0answers
30 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
19 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
51 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
50 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
37 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
20 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
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1answer
29 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 ...
0
votes
1answer
96 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
90 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
31 views
Is there a way to edit a shapefile's 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
391 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
217 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
302 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
80 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 ...
0
votes
1answer
121 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
145 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
24 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
14 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
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0answers
39 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
233 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
171 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
125 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
65 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
217 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
250 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
19 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
241 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
110 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
225 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 ...
2
votes
1answer
248 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" - ...
0
votes
1answer
34 views
Where do I store Layer level information in QGIS?
I am using a python script to load the content of some files to layers in QGIS. These file usually contain header information that I am skipping (like the Number of header lines to discard parameter ...
0
votes
1answer
25 views
MetadataImporter_conversion lags on first iteration of a loop
I have a Python script that is looping through a list of feature classes stored in a config file. It is exporting the metadata for each feature class using the methodology in the answer posted to ...
0
votes
0answers
90 views
Which items do not support editing metadata in ArcGIS Pro?
According to the Best Practices for Editing Metadata,
You can create metadata to describe most items in ArcGIS Pro.
Further, it states:
The geoprocessing tools that support managing metadata ...
0
votes
1answer
45 views
Defining temporal extent of INSPIRE data when it changes every day?
I am trying to create INSPIRE compliant metadata for a view service.
I am struggling with temporal extent however. The data concerns projects which started being recorded back in 2010, however the ...
