Questions tagged [batch]
To group or to do something in a group as opposed to doing it individually
389
questions
4
votes
0answers
23 views
Batch create multiple buffers with variable size around point
For a statistical analysis, I need to calculate some landscape properties in several (rectangular) sample areas, which vary in size (extent ranging from 10 by 10 to 500 by 500). These sample areas are ...
0
votes
2answers
58 views
Clipping using ArcPy gives ERROR 000732
I have 30 shapefiles, each of which I want to be clipped with another 3850 shapefiles (contain only one polygon). I know I need a loop in Python and use ArcPy. But I'm very new to Python.
Here's my ...
0
votes
1answer
86 views
.gdbtable file type, how GIS reads it, and how to batch-convert it to a CSV?
TL;DR: How do I convert .gdbtable to .csv in Python? Where is the location data in the attribute table?
Using QGIS 3.14. I have a data type which I'm unfamiliar with, a GDB table it appears. The exact ...
0
votes
0answers
6 views
Making 8-day composites from daily data in ENVI
I have daily data of NDVI in .tif format for 18 years and I want to make 8-day composites from it. How can I do so in batch processing?
0
votes
0answers
24 views
Exporting multiple WCS layers to GeoTIFFs to use them in rastercalculator
I would like to know if anyone could tell me in what way I can export multiple WCS files to GeoTIFFS in QGIS. I use WCS files, but these cannot be used in the raster calculator. I first need to export ...
0
votes
1answer
39 views
Compute NDVI over each image in an image collection and export NDVI thresholded images
I want to compute NDVI for all images in Sentinel2 (less than 20% cloud cover) in an image collection comprising 5 years. Thereafter, I want to batch export the output as a binary TIF file where NDVI &...
1
vote
0answers
19 views
Images are coming noisy after exporting from Google Earth Engine
I'm trying to export images of from GEE, however, these images are extremely noisy and aren't clear. The code I'm using is simply the following where geometries is a Geometry Collection having ...
0
votes
0answers
47 views
ogr2ogr PostGIS to GeoJSON using batch file
I am trying to export a PostGIS table to GeoJSON using ogr2ogr.
The following works perfectly when I launch it in Windows command :
ogr2ogr -f "GeoJSON" F:\output.json PG:"host=**** ...
1
vote
1answer
54 views
For loop for access to a directory files in ArcPy
I have a Python Toolbox and I want to use a directory to read different shapefiles. But when I run the script It only works for the first shape.
fd is the directory and the code is:
fd= parameters[0]....
5
votes
1answer
93 views
Copying all visible layers to new group
I would like to copy all visible layers in a project to a new group. Does anyone know of a quick way of doing this?
Background:
We have a Project that acts as a library for all the spatial data we ...
2
votes
1answer
53 views
Saving rasters as in batch process
I've found a few questions similar but think mine is much more simple.
I would like to run: Export -> Save As as a batch command.
I have 1 layer that has 9595 DEM raster overlaid and I would like ...
0
votes
0answers
28 views
Averaging three raster images (of same month obtained from three data centres) for approx 150 months using QGIS
How do I average the three raster images obtained from three data centre for each month of 15 years approx?
I tried to do it using Graphical Model in QGIS but it shows an error.
Error Log in QGIS
...
0
votes
1answer
36 views
How do I auto fill the Input Table records for batch processing the Delete Field Tool, in ArcMap?
I have over 500 individual shapefiles that need to have a specific field removed from their tables. In theory I can use the batch option with the Delete Field tool, but adding the Input Table cell for ...
3
votes
2answers
109 views
Batch processing Vegetation Index with QGIS Raster Calculator
I'm applying the Green Leaf Index (GLI) to a multi-temporal set of RGB raster images to generate false colour overlays of the sections of the hay field. I can create GLI layers using the raster ...
2
votes
1answer
167 views
Starting QGIS 2.18 processing algorithms from .bat-file
I have written a bunch of Python scripts within the QGIS 2.18 processing framework to process a sequence of tasks. What I am trying to achieve now is to call the python scripts from a .bat-file ...
2
votes
1answer
62 views
Managing large numbers of raster DEMs for QGIS
I have a large number of (say 9000) 2km x 2km raster DEMs in ASC file format that I am trying to manage, in order to use in QGIS.
I've been looking for way of storing them, ideally on the filesystem, ...
2
votes
1answer
67 views
How to merge several shapefiles with the same geometries and same attribute names?
I have data from several runs of a numerical modeling tool. The data always has the same structure - e.g. fixed set of rectangular vector tiles - no matter if there is a "valid" output or ...
0
votes
0answers
81 views
GRASS Tool r.stats.zonal for QGIS 3.14 Pi is not working in batch mode
I am trying to calculate the averages and standard deviations of the pixels of a group of 31 vegetation index rasters calculated from Landsat images, but only where these rasters intersect the ...
1
vote
1answer
42 views
Batch Cell-statistics from 2 different folders in ArcMap Python
I'm using these codes to generate Cell-Statistics, I have data in four different folders but right now I'm using two folders just for the testing but I couldn't get the result. I'm a beginner level of ...
0
votes
1answer
51 views
Batch export map series pages to GIF files using ArcPy in ArcGIS Pro
I have created a map series on ArcGIS Pro 2.5.1 displaying distribution data for different bird species over a UK county. Each page displays a different species. The index feature is a point feature ...
0
votes
0answers
37 views
Batch PyQGIS3 NDVI calculation yielding skewed outputs
In a previous post, I thought I'd cracked a problem running a script with a batch NDVI calculation on some 16bit unsigned ENVI .hdr data cubes:
from qgis.analysis import QgsRasterCalculatorEntry, ...
1
vote
1answer
26 views
Generating maps of several variables
I have a map. I have external data that I can join to the map by name of the feature. The data contains several variables, say abc, def, xyz1, xyz2 and xyz3.
I can display a variable by selecting it ...
0
votes
1answer
47 views
IO error on bulk MXD publishing to ArcGIS Server using Python
I have a folder of MXDs and I want to publish all of them in batch to a single ArcGIS Server. I've had success using Python on a single MXD, but when I add a loop into the code so that I can do ...
2
votes
2answers
38 views
Running tool over group of layers using ArcGIS Pro
I want to run basic tools (e.g., Dissolve, Intersect) over a group of feature classes from the content pane.
Is there any way to have a tool run over a set of layers grouped within the contents pane?
...
0
votes
1answer
34 views
To get 'NA' instead of '0' band value while exporting clipped image on Google Earth Engine
My problem is that I need to export images that are clipped using some shapefiles. But when I export the images, for the masked pixels I get 0 band value instead of NA. How can I get NA?
When I use ...
2
votes
1answer
120 views
Initiating offline product retrieval with wget for Scihub Copernicus
I need to download a big chunk of Sentinel-2 data which is stored in ESAs Long Term Archive (LTA). I've already added all the products to my cart, but I want to initiate the request for the offline ...
1
vote
2answers
85 views
Batch NDVI calculation with PyQGIS
I'm trying to run an NDVI calculation on a set of raster layers. The approach is to adapt this QGIS 2.x code to run in GQIS 3.x. A far as I'm aware it's the "legendInterface" that's changed, ...
2
votes
1answer
41 views
ogr2ogr shapefile to PostgreSQL table | cannot change geom field
ogr2ogr -lco GEOMETRY_NAME=geom -f "PostgreSQL" "PG:host=localhost user=postgres dbname=lidar password=postgres" "C:/Users/Rose/Documents/faulty_rasters_test/raster_summary/...
0
votes
2answers
50 views
Rasterize a shapefile to match an existing raster
I want to work with ecoregions (described in the shapefile from https://ecoregions2017.appspot.com/) in combination with a digital elevation model, to generate a least-cost path. For that purpose, it ...
2
votes
1answer
66 views
QGIS modeler: using input rasters filename for naming columns by expression
I am running QGIS 3.12.3 București on Windows 10 x64; I am building a simple model to reclassify a series of rasters with a 2x3 table, and then count each unique reclassified value within different ...
1
vote
1answer
44 views
How to execute pgsql2shp from batch file
I am trying to execute pgsql2shp for a remote PostgreSQL db using batch file using the below code
for /f %%i in ('psql -U ihadmin -d ih_gis_production -h <xxxxx> -c "select f_table_name from ...
1
vote
1answer
34 views
Rename Layers based on geometry type (line, area, point) [closed]
I have numerous in memory layers that I need to export as shapefiles.
The problem is, many of them have the same names; for example I have "railway_station" 3 times... as a point, line, and polygon. ...
1
vote
0answers
5 views
Batch processing_Distance to nearest hub [closed]
How do I go about batch processing for distance to the nearest hub? I have about 10 variables/covariates. Have tried severally and not seems to succeed.
2
votes
0answers
61 views
Clipping multiple rasters by set distance / extent in QGIS
For a current project, I have 72 geo-referenced OS maps in place.
Unfortunately, all maps have a narrow border with the grid squares / scales on (see image), which obscures the sides of the adjacent ...
0
votes
1answer
24 views
Batch-enable archiving on multiple datasets
The ArcGIS Desktop 10.7
Enabling Archiving page says:
To enable archiving on multiple datasets at once, you can use the
Enable archiving geoprocessing tool.
When I open the Enable Archiving ...
0
votes
0answers
63 views
Batch converting ASCII text-files to shapefiles in QGIS
Here is a sample of my source data.
682575.040,5769613.850,153.410,87
682575.990,5769611.700,153.470,91
682575.850,5769613.340,153.530,95
682580.120,5769612.860,153.480,88
682580.270,5769613.760,153....
1
vote
1answer
340 views
Google Earth Engine: Exporting many processed Images
I am new to Google Earth Engine and with the help of GIS community, I was able to learn really quick. So, kudos to the GIS community.
But I am having a bit of an issue. I am currently exporting ...
0
votes
0answers
77 views
If/else condition in Model Builder QGIS 3.10 Batch processing
I have a set of images I need to process - all except one I have to calculate in Raster calculator with one expression, and the only one is the other expression. All following steps are the same for ...
2
votes
2answers
120 views
Dividing shapefile into multiple shapefiles using an attribute value in QGIS Graphical Modeler
I have a shapefile with a column that have project references, I want to create a different shapefile for every project reference there is.
Note that the project references are not unique in the ...
1
vote
1answer
56 views
Batch field-calculator with a decimal result
Is it possible to carry out a batch field calculator process in QGIS across multiple layers resulting in a decimal number? I have manage to do it and get an integer but not a decimal. There are only ...
1
vote
0answers
270 views
Batch reclassification in QGIS 3.10.2 produces error
I have a fairly long list of raster data that I need to reclassify. I was going through manual route but I found it too tedious to continue since I've to go through the same process if i need to ...
1
vote
1answer
52 views
QGIS Batch vector layer $ shapefile $ polygon processing
I am wondering how to make the batch vector layer setup for my comma-delimited layers inputted.
In the image below there is one layer ready (merged with few layers) and few other comma-delimited ...
1
vote
0answers
36 views
Batch checking of 1000 records online without batch option. Need automation
Do you know of any method for looping 1000 records over this website?
https://apidocs.os.uk/docs/os-places-match
I would like to check some addresses but OS doesn't provide batch checking.
2
votes
1answer
129 views
Batch process for merging features in multiple layers
I have multiple (50) layers representing rivers and creeks which are polylines. However, they are broken into line segments so each river/creek layer might have 30 or so features within it.
I know ...
1
vote
1answer
58 views
QGIS 3.8 Batch Processing file path using Caclulate by Expression has square brackets between strings
I am trying to run a batch process using QGIS 3.8. I want to have the name of the output file use part of the name of the input file. For example the input file is "Landuse_A.tif" and the output is "...
4
votes
2answers
240 views
Exporting multiple point shapefiles from one file using QGIS
I have a point shapfile of species records (about 100 species), with many georefenced ecords for each species.
I'd like to export one point shapfile for each species.
I can do it by selecting by ...
1
vote
2answers
298 views
Error trying to upload data using Mapbox API
I'm using the Mapbox API and I'm trying to upload my GeoJSON but I'm getting the following error:
bounds west value must be between -360 and 360
My GeoJSON looks like this:
{"type":"...
2
votes
1answer
109 views
Batch TIFF export, QGIS
I try to export 30 different TIFFs from one TIFF and 30 layer of boundaries boxes
using QGIS.
Maybe someone has a hint for me?
Edit1:
I have a map in TIFF format and I need to export 30 different ...
3
votes
0answers
155 views
Error while running batch processing in QGIS 3
I have built a straightforward model in the Graphical Modeller in QGIS 3.4 to select features by expression and then save the selected features to a new shapefile.
It works when running singly but ...
2
votes
1answer
422 views
How to create contour lines from TIFF (raster with more than 100 bands)
I need to do batch processing from a raster with 120 bands (GeoTIFF). I need 120 contour line shapefiles, but I get only one. I had no problem when the result is another raster file with all the bands,...
