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4 views

lidR mcwatershed

I have a erro with the last version of lidR 2.2.2 when I am running mcwatershed crowns2 = mcwatershed(chm.2,ttops_pp.2_v,th_tree = 8,ID="treeID")() Error: The mcwatershed algorithm has been removed ...
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0answers
6 views

What is this giving me? Trying to sum MODIS ET data by each month

I am currently evaluating water resource availability over the Bahamas using GEE (I'm new to this) and am running into some trouble. I am trying to sum the ET over the Bahamas for each month from ...
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0answers
6 views

Generated GeoTiff in GDAL not opening in ImageMagick

I have netCDF data I convert to geoTiff using the following code: import numpy as np from osgeo import gdal from osgeo import osr from netCDF4 import Dataset import glob def open_netCDF(filename, ...
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0answers
8 views

Export a layer as QLR in QGIS 3.4 using PyQGIS

I am trying to find a way to export a layer in a QLR file in PyQGIS. I want to do the same as right-click and export to layer definition file. I know that I have to use QgsLayerDefinition....
0
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1answer
9 views

Installation error - Background Geoprocessing (64bit) - ArcGIS Desktop 10.7.1

I'm running ArcGIS Desktop 10.7.1 (Advanced) (ArcGIS_Desktop_1071_fr_169511.exe). When I try to install Background GP (ArcGIS_Desktop_BackgroundGP_107_167531.exe) downloaded from our own company's ...
1
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0answers
12 views

Setting project QGIS variables with PyQGIS

In a plugin development I have to store in a project variable the plugin version. To test if the variable already exists I wrote: project = QgsProject.instance() scope = QgsExpressionContextUtils....
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0answers
6 views

Loading Landsat ImageCollection into GEE

Am trying to use this ee.ImageCollection() method to load Landsat data using Google Colab. See code below: def maskL8sr(image): cloudShadowBitMask = 1<<3 cloudBitMask = 1<<5 qa = ...
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2answers
23 views

Population density: 1000 people/ km2

What does it mean when in certain publications they write population density (1000 people/km2)? Does it mean that they calculate the population density by dividing the number of people by the area of ...
1
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0answers
12 views

Import and go through a large batch of Landsat images in QGIS?

I'm trying to reconstruct a glaciers frontal evolution through time. To do so I use a whole lot (70+) of Landsat images which I got from USGS Earth Explorer. I would like to visualize them as false ...
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0answers
11 views

Converting 32 bit image to 8 bit palette raster image

I need to convert 32-bit TIFF image (input) to 8-bit palette TIFF image (output) by using FME. How can I do this by using palette of output image?
1
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0answers
12 views

Saving Processing result to GeoJSON string instead of QgsVectorLayer or GeoJSON file

I run processing.run("native:buffer") and from newly created vector I get all features and export them to string using QgsJsonExporter(). My problem is that newly created vector gives new IDs to all ...
1
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0answers
16 views

Shapefile to PostGIS via shp2pgsql.exe failed

I am trying to import a shapefile to PostGIS via shp2pgsql.exe. I am not successful. I am only get the following message: Importing with configuration: tune_aoi, public, geom, C:\Temp\TUNE_AOI.shp, ...
1
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0answers
16 views

QGIS geometry generator to SLD

In QGIS I'm using the geometry generator to visualize a point shape file as a line with the simple code: And then I'm doing a graduated styling according to the burial value of those points: So ...
0
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0answers
16 views

Reprojecting a local CRS

We have point data (x,y in m from a local 0,0) from an archaeological campaign, that we would like to display embedded into real-world cartography. We know either the real world coordinates of 0,0 (e....
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0answers
8 views

Display overlapping transparent WMS continuously

I am working with WMS, which cover different regions and overlap at the borders of these regions (see attached image). Since the - in this case DOP - is slightly transparent in order to not to ...
1
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2answers
27 views

Create multiple layers from one table on GeoServer?

I have a geometric SQL Server table with the following structure: |--------|----------|---------| | id | geom | year | |--------|----------|---------| I need to create 3 different layers ...
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0answers
16 views

Expected field value does not appear after converting .shp to .asc

I converted .shp map to .asc choosing land-use type field (e.g building=1 etc). I expected the .asc will contain numbers of the land-use types. However, the values are all zero when I open it with ...
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0answers
8 views

Failed to create the service The submitted field 'KML_FOLDER' does not exist in the table 'db_8bog9.hsu_gk2bm.company_layers_wfl1_horizon_lines'

Receiving an error when trying to share a webmap to portal using ArcGIS Pro 2.4.3, Failed to create the service 'Hosted/Company_Layers_WFL1.FeatureServer'. The submitted field 'KML_FOLDER' does not ...
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0answers
20 views

Setting the column-order of the attributetable in ArcMap programmatically?

I'm loading a feature layer to ArcMap and want to prepare the columns shown in the attribute-table. Aliasname and visibility I set with ILayerFields-Interface of the FeatureLayer by passing it to the ...
0
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0answers
13 views

qgis_mapserv database DB connection pool

Looking for information on how to check and configure qgis_mapserv database connection pooling. Mainly looking for a way to increase pool size if it is low by default
0
votes
1answer
16 views

What is the best API to access Copernicus satellite images for application development with JavaScript? [closed]

There are many ways and platforms to access Copernicus satellite images. What is the best API to access Copernicus satellite images for application development with JavaScript?
1
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0answers
24 views

Connecting multiple polygons with lines using shortest distance as parameter

Is there any plugin in QGIS (or code) that is used to connect multiple polygons with lines using distance as parameter. Let say that I put 10 meters, than all polygons within that distance will be ...
0
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0answers
8 views

Closest Facility - time-based cost attribute issue?

WHat I wish to acheive: To find the best route from point A to B and A to C. What I have done so far: I have a shape with the road network in an area that I used "New network dataset" on. I also have ...
0
votes
1answer
23 views

Using Model Builder iterators to create unique shapefiles from one big shapefile

I'm trying to use Model Builder in ArcMap to split one shapefile with multiple entries into unique ones and then create individual buffers for each of them. See image for the table. I think it should ...
-2
votes
0answers
25 views

Looking for a source for detailed Water Shapefiles [closed]

Is there somewhere where I can find detailed vector water shapefiles which I can import into QGIS? I am currently looking at the moment for waterways around the United States however I would like to ...
0
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0answers
14 views

EVI, SAVI, LAI Time Series Analysis in Google Earth Engine using Sentinel 2?

Can someone please tell me how to perform Time series analysis(TSA) for EVI, MSAVI, LAI Indices as they have to be done mathematically in Google Earth Engine code I'm finding it difficult, I have ...
-1
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0answers
12 views

Layer file > Shapefile Conversion in Model Builder [closed]

I want to convert a layer file to shapefile in Model Builder. Please suggest.
-1
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0answers
8 views

Union multiple geometries in ArcGIS JavaScript?

I have multiple buffer geometries for instance var firstVar={"geometries":[{"rings":[[[8527798.953692015,3371033.664249272],[8528080.67360234,3371029.6951561933],[8528362.169878159,3371017.7910276973]...
0
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0answers
15 views

How to solve error LAStools?

I have just installed LAStools in my QGIS 3.x version. I have already managed to visualize the point cloud through the lasview tool. Now, I am having problems trying to classify Ground points from the ...
-1
votes
0answers
22 views

Reclass raster with range input in Model Builder (QGIS)

I would like to use the QGIS model builder to preform reclassifications on several rasters. In QGIS I use r.reclass to do the reclassification by a given range (f.e.: 100 thru 150 = 1) In Model ...
0
votes
0answers
21 views

OpenStreetMap editing problem

I am trying to add a label (address) for building in OpenStreetMap. I am editing the map by "Edit By ID" in OpenStreetMap Browser and saving it, but nothing is happening. It only appear just a ...
0
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0answers
19 views

What projection / coordinate system are used for Maps.me?

I need to import data into Maps.me but since I assume there is not OTF reprojection, I need to know the CRS I must use.
0
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1answer
36 views

Adding own graphics to the map?

Trying to add own graphics (.svg file containing lines as an extra layer) to the map in QGIS. How to do it?
2
votes
1answer
22 views

Only one field appears after converting .shp to raster to .asc, in QGIS

I am a beginner in the GIS world. I tried to convert the .shp map to the raster .asc map. I did Raster-> Conversion-> Rasterize then as shown below there are only 1 of 4 fields appears. So I cannot ...
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0answers
22 views

Remove line self intersections?

I have a polyline that is self intersecting in some points and I want to create a "clean" version of it. Basically something like that Remove Self Intersections in the first image(single part). So ...
0
votes
0answers
26 views

Creating a greyscale topography map of the world on QGIS

I am looking to create a greyscale topography and bathymetry map of the world in QGIS which I can then output as SVG contour lines. Maybe there is somewhere where I can find and download greyscale ...
0
votes
1answer
15 views

Sharing WMS / XYZ / MapServer sources across multiple users / installations

Our organisation has multiple users using QGIS and using a lot of web-based ArcGIS mapserver / WMS data. At present we share links to WMS/WMTS, XYZ, ArcGIS Mapserver resources via Wiki, however it ...
1
vote
0answers
9 views

Creating overview images for individual rasters becomes more flexible when the layer is partially updated. How do I do this?

I use a GeoServer. I want to create a layer from a mosaic that I got using gdal from a vrt file that is created from pieces of a map whose size is 9 000 000 * 3 000 000 pixels. To create a VRT file, ...
-1
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0answers
14 views

Bulk Download option icon

I am trying to download MODIS data from USGS Earth Explorer, but I am unable to find the bulk download option icon in my datasets results.
-2
votes
1answer
35 views

Problem in using ArcMap [closed]

The feature disappears in data view when I use full extent button in ArcMap 10.4.1 How can I deal with this problem ?
-2
votes
0answers
19 views

Understanding Kriging Standard Error

I use R to kriging the temperature, I followed the link below http://r-spatial.github.io/gstat/reference/krige.html#examples But I don't know the unit of var1.var in this code spplot (x ["var1.var"], ...
0
votes
0answers
20 views

Checking if the data is entered on QGIS plugin UI created using QTcreator? [duplicate]

I have developed a plugin in QGIS 3.10 and now I need to integrate it with Django rest API. But I am not able to achieve this as I don't know how to retrieve the data entered in the plugin UI and also ...
0
votes
0answers
6 views

How to identify raster pixel value in ArcGIS Portal Map Viewer?

I have a raster I've published to ArcGIS Image Server 10.7.1. I'm trying to create a web map in 10.7.1 Portal where I can query the the pixel value. Ideally the user can click on the raster and a ...
0
votes
0answers
37 views

Orientation of segments of a polygon in ArcGIS

Using the longest side of a polygon, I would like to get the orientation of each side of the polygon with the longest side orientation as the reference. I have attempted to get the general ...
0
votes
0answers
16 views

Creating many Google Maps paths and exporting to ArcGIS/QGIS

As part of my senior thesis, I have a CSV of about 500K unique combinations of starting and ending lat/long coordinates, each of which represents the starting and ending locations of bike share trips. ...
-1
votes
0answers
17 views

ArcGIS 10.7 invalid geometry [closed]

I went from 10.6 to 10.7 ArcMap. While editing and drawing in new tracts, I get "FEATURE COULD NOT BE CREATED. GEOMETRY IS INVALID. OPERATION CANNOT BE PERFORMED ON A NON-SIMPLE GEOMETRY". I ...
1
vote
2answers
20 views

Leaflet markers from CSV with multiple columns employing omnivore

Goal: Show markers for lat-lon positions from a CSV file. The other columns need to be placed in pop-up as attributes. CSV file can be seen at: airport.csv Code: headers = ['iata', 'title', 'city', ...
0
votes
0answers
19 views

Storing historical data

I am working on a project in QGIS where we would give the client QGIS and a dataset of their cattle station where they can investigate infrastructure development. One thing I am trying to figure out ...
0
votes
0answers
14 views

Creating arbitrary profile?

I am trying to create a transect profile and extract information for each specific bands of Landsat which will be further used to crate a transect graph. Is there any direct way of achieving this ...
2
votes
0answers
23 views

Extracting layers from gdb and merge them?

I have a gdb folder which contains ~3000 multipolygon layers (with very few features on each layer). I would like to take around 100 of those layers and merge them together while adding a field to the ...

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