All Questions
785 questions
4
votes
1
answer
279
views
Batch upload images from GCS to Earth Engine assets
I have 302 processed Landsat images in GCS and I need to use them in Google Colab. All I've found so far is that you can "bring" those images into Google Colab by copying them into Colab, ...
- 3,087
2
votes
1
answer
243
views
Log Scale Contouring in ArcMap?
I have a shapefile of concentration values, they range from 0 7000. I want to either contour or display these in log scale (0.1, 1, 10, 100 and 1000) what is the best way of doing this?
I have about ...
CommunityBot
- 1
1
vote
1
answer
1k
views
Creating batch file from ERDAS IMAGINE Spatial Modeler?
How to create batch file from the ERDAS IMAGINE Spatial Modeler?
I want to do the same process to different input images, something similar which we can do by batch processing of the existing ...
CommunityBot
- 1
1
vote
0
answers
32
views
Batch uploading rasters to PostGIS, slows way down
Problem (or at least I think it is a problem): If I set the raster folder to include 3 or 4 GeoTIFFs of ~ the same size and the 1st one uploads in 30 minutes, why would the next one take 90 minutes?
*...
- 20.3k
1
vote
1
answer
754
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 ...
CommunityBot
- 1
2
votes
0
answers
49
views
Batch processing with "Points to Path" in QGIS
I am trying to run "Points to Path" on a set of points files. When I do it one file at a time without batch processing, it is fine and works as expected.
However, even if I try batch ...
- 34k
3
votes
1
answer
2k
views
Using Python script to stack layers from multiple directories and produce multiple outputs in ERDAS?
I am using ERDAS Imagine 2013 and am trying to create a Python script that takes lists created in another script containing the path to each scene's raw data folder and base image ID's (for example ...
CommunityBot
- 1
2
votes
2
answers
832
views
Projection shapefile
I created a shapefile of Sundarban area Bangladesh. Here it is:
Here is the projection information about it:
I want this shapefile to project upon an image which is here [I downloaded it from ...
CommunityBot
- 1
-1
votes
1
answer
163
views
Batch change attributes in template properties in ArcGIS Pro
I am using a number of feature templates for mapping and would like to change a specific attribute in all templates with the same value without going through the list and change every single feature ...
0
votes
1
answer
207
views
ERDAS mosaicPro from 2D view reference layer is not displayed on top
I am having an issue using the ERDAS mosaicPro from 2D view tool. I am using ERDAS 2015. I have two separate Landsat 8 file bands. Band 1 from one date and Band 1 from another date. I have ran the ...
CommunityBot
- 1
1
vote
3
answers
507
views
How to merge multiple GeoTIFFs into one single GeoTIFF and change the resolution
I'm working on my Bachelor Thesis right now and I have a about 300gb of digital elevation database. This database has a 1m resolution and every single 1x1km square is stored into a single GeoTIFF. Now ...
- 65.4k
5
votes
1
answer
1k
views
Batch export of layers as individual PNG files in QGIS 3.4?
I have hundreds of layers. I'd like to be able export each one as a PNG. I can do this by selecting one, and going to project, export map to image, calculate from layer -> select layer -> save. ...
CommunityBot
- 1
0
votes
2
answers
178
views
d.rast multiple times
I am using GRASS 7.2.0 on Windows 8.1 and I have 107 raster files, converted from r3.to.rast which I want to display all at once.
I put in Python console (2.7.5) every name of rasters into variable d ...
CommunityBot
- 1
0
votes
1
answer
1k
views
"Display Background value "0" raster"
While publish raster layer in geoserver it shows background as black. How to remove the black color. if there is any options to permanently remove the black color.
CommunityBot
- 1
1
vote
0
answers
36
views
Opening .img file created in Erdas Imagine 2023 in Erdas Imagine 2022
I am having an issue working with a file created in Erdas Imagine 2023 in Erdas Imagine 2022. I ran a tool with the output .img. However, the .img format seems to be different in Erdas 2023 vs Erdas ...
- 11
0
votes
1
answer
273
views
Doing Layer stack in ERDAS Imagine
I am trying to do "Layer Stack" of Landsat 5 Surface Reflectance image in ERDAS Imagine 2015 but every time i get output as black and white image. Though pixels have RGB values but still ...
CommunityBot
- 1
0
votes
0
answers
50
views
Computing bilateral travel times between Belgian municipality per travel mode in 1896
I'm conducting an historical study concerning the impact of the first railways on structural transformation of the 19th century Belgian economy (i.e. industrial revolution).
A part of my analysis is ...
- 65.4k
2
votes
1
answer
764
views
NetCDF in QGIS --constructing time series using 1368 bands
I have the NetCDF file that contains monthly gridded temperature from 1900 to 2014 (air.mon.mean.v501.nc). The goal is to extract monthly time series for every polygon in my shapefile. Using the US ...
CommunityBot
- 1
3
votes
1
answer
1k
views
Converting MapInfo TAB to shapefile and reprojecting with ogr2ogr
I'm trying to reproject, move from tab to shp and rename all the .tab contained in a folder tree using ogr2ogr.
I'm working with Windows 7, QGIS 1.8 installed with advanced OsGeo4w and gdal 1.9.2. I ...
- 34k
8
votes
3
answers
6k
views
Exporting several layers as GeoPackages at the same time in QGIS
I have dozens of temporary Layers. I'd like to export them all as GeoPackages, but I am unsure how to go about doing so without doing each one individually.
I was reviewing this code Exporting several ...
- 11.2k
0
votes
2
answers
142
views
How to batch import geotagged photos into QGIS?
I did some flights with a DJI drone over an area a few kilometers long, and I would like to batch import the hundreds of geotagged photos into QGIS. I have tried the ImportPhotos Plugin but the photos ...
- 10.5k
5
votes
5
answers
5k
views
Extending batch of lines to another object using ArcGIS Desktop?
Is there any simple tool which allows to extend all lines in .shp to another .shp?
To clarify, I do have river.shp and sections.shp on the river. I'd like to produce buffer from river, extend lines ...
- 1
1
vote
1
answer
1k
views
DN to TOA reflectance for SPOT images using Erdas Imagine
I would like to convert DN to TOA reflectance in Erdas Imagine 2013. I see there is a way of doing this for Landsat7 in the Radiometric tab.
How can I do this for SPOT2,4,5 images?
- 65.4k
1
vote
1
answer
67
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, ...
- 30.2k
5
votes
1
answer
357
views
QGIS Batch Process to save bands of a raster layer as separate raster files
I have a .tif file with 61 bands. Normally, to save a band, I use the rastar calculator expression filename@1. But since there are 61 bands, with each band corresponding to a date, from April 1 to May ...
- 75k
0
votes
1
answer
429
views
Batch increase drone imagery altitude by editing EXIF GPS information
I have around 3.600 drone images covering an area of around 2 x 4 km. The images were recorded using two drones. For some reason, the photos from one of the drones are off by around 15 meters on the z-...
- 109
0
votes
0
answers
43
views
Compressing clipped rasters (batch process) in QGIS
I am brand new to QGIS. I need to clip and compress 30 drone rasters. I do not know how to enter the command into the batch process window to compress the images. Right now, the only settings I have ...
- 20.3k
3
votes
1
answer
711
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 ...
- 23
0
votes
1
answer
55
views
How to use gdal calc.py for batch processing in MAC OS [closed]
I have .tif files for Novemeber starting from 2001 to 2020, with values ranging from 1-255. I only want values from 1 to 100 and anything above 100 as NoDataValue. I was able to execute the code for a ...
- 66.5k
0
votes
0
answers
115
views
QGIS append layer in one geopackage output of modeler
I would like to append new layer (created with model builder) to a new/existing geopackage in a batch processing. Tried with 3.36RC and 3.34.4 LTR.
Every line is a csv converted to point
Every line ...
8
votes
3
answers
18k
views
Load a raster file directly in Leaflet
Is it possible to load a raster file (e.g. GeoTIFF or Erdas img) directly into a Leaflet map? If so, can you guide me to the correct documentation or method to do this?
I am trying to do this with the ...
0
votes
1
answer
47
views
Batch export individual monthly rasters from a raster stack in Google Earth Engine
I have the following code where I am exporting monthly images (all bands included) for the year 2018:
var collection = ee.ImageCollection("NASA/HLS/HLSL30/v002")
.filterBounds(table);
...
- 13.8k
0
votes
1
answer
55
views
Multiple step function tasking with PyQGIS [duplicate]
Running a function in QGIS (example - "native:geometrysmooth") on a single shapefile, I can copy the 'Python Command' once setup and replicate this to run in the Python Console for a single ...
- 65.4k
2
votes
2
answers
738
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/...
- 762
0
votes
1
answer
83
views
Zonal statistics batch process using QGIS
I am working with QGIS 3.34.3-Prizren and I carried out a rasteranalysis using zonal statistics batch process. I have some problems choosing the right autofill settings for the column spatial ...
- 77.9k
2
votes
2
answers
2k
views
Batch convert GeoTIFF's to Garmin Custom Map compatible KMZ files
I have about 600 GeoTIFF map files geo-referenced using New Zealand Transverse Mercator 2000 (NZTM2000). Each file is about 140 mb in size. I'd like to convert them to Garmin Custom Maps compatible ...
- 129
6
votes
1
answer
2k
views
Write output of QGIS Batch Processing to temporary layers
Is it possible to write the outputs of QGIS Batch Processing to temporary/memory layers?
- 1
5
votes
1
answer
734
views
Batch processing of numerous shapefiles in common folder with PyQGIS
I am trying to batch process numerous shapefiles in a common folder. I am getting an invalid syntax error right after the processing.run algorithm passes the TARGET_CRS words. Any ideas what I may be ...
- 34k
0
votes
0
answers
13
views
GeoNetwork config-editor.xml-- what does the content in the batchEditing section do?
I can't find any documentation to explain what the batchEditing content in the config-editor.xml file does. Can anyone provide some guidance?
- 20.3k
0
votes
0
answers
46
views
What data does clustering use from multiple raster files?
I currently have a series of rasters of the same area across different times. The data is categorical: the product of a supervised classification used on LANDSAT data run on ERDAS Imagine. Each ...
- 65.4k
0
votes
1
answer
350
views
QGIS Multiraster Zonal statistics for one vector
Is it possible to make one attribute table using zonal statistics for one vector and multiple rasters layers?
I would like to make chart for one field with five sectors (polygons) in that field and ...
- 1
0
votes
1
answer
160
views
Using Merge in ModelBuilder of ArcGIS Pro
I am relatively new to ModelBuilder.
I am trying a basic task using the merge function.
I have a folder which consists of a lot of shapefiles. Each shapefile from the folder needs to merge with file '...
- 65.4k
1
vote
1
answer
97
views
Change select color in a raster in QGIS using Serval or Value tool
Is it possible to edit the table view of a raster that you see in the Value tool?
Alternatively
Using Serval, once we have a selection polygon can we choose a specific range of raster values within ...
- 8,298
2
votes
1
answer
109
views
Does QGIS have a functionality similar to Flicker in Erdas Imagine?
I am trying to replace an Erdas Imagine workflow with QGIS and I have got most of it working but can't find a solution for fliker. We have it set to turn an image on and off every few seconds to ...
- 8,298
0
votes
0
answers
34
views
Erdas - Export LUT Instead Of Real Values
I am using Erdas 2022.
I have NDVI index of an imaging, and after creating it, the view shows a LUT which is not the original pixels, which is essentially the automatic stretching of the program.
I ...
- 101
0
votes
1
answer
145
views
Batch Task Execution of a Feature Collection in Google Earth Engine
I have generated a Feature Collection for a geometry with 6 polygons. Formatted the table and then exported the first three feature collections having over 1000 properties. However the last batch file ...
- 11
0
votes
0
answers
36
views
How to batch export .tif and .shp from TNTmips RVC folders?
We have approximately 600 RVC folders per year, for a 30 year period (repeated visit of plots), that contain both georeferenced aerial images and vector mapping of wet areas via heads up digitizing. ...
- 451
34
votes
5
answers
13k
views
Bulk load multiple shapefiles into PostGIS
I've got over a hundred data layers in shapefile format that I want to upload into a PostGIS database. They are all in the same projection, but represent different data layers so they do not have the ...
- 667
3
votes
1
answer
267
views
Setting fields in batch process of QGIS
i'd like to know how can i set the fields of shapefiles in a batch process of QGIS (one setting for all shp) using the field calculator:
I'm using an expression like this, taken from an another post:
...
CommunityBot
- 1
0
votes
0
answers
46
views
Excluding 'No Data' Pixels When Counting number of pixels in an AOI with ERDAS IMAGINE
I'm working with Landsat imagery in ERDAS IMAGINE 2014 and have encountered an issue with 'no data' pixels within my Area of Interest (AOI). The AOI includes unwanted 'no data' pixels that are ...
- 3,349