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13 views

Opening a local folder using Google Earth

I have a photo within Google Earth. I would like to be able to click the photo or description to open the folder directory. I believe the href needs to be modified. How can the code be modified to ...
0
votes
0answers
20 views

GEE Internal Error [closed]

I am trying to save in my GEE asset an image containing some coefficients for computing NDVI smoothing on MODIS images. But after 15 days of running, the execution failed and returned an "internal ...
0
votes
1answer
20 views

Filtering Sentinel 1 Imagery

I'm working with Sentinel 1 radar imagery. For some images in the collection in parentheses next to the angle band the is a percentage (see image) When I do some further steps in my analysis these ...
-2
votes
0answers
18 views

I want Aligning point along the line in ArcGIS with select line and point [duplicate]

I have a line and some points along with line and I want when selecting point and line, make point parallel in the same ways as you see in after in the below figure.
1
vote
0answers
18 views

Shapefile calculation error: 'list' object cannot be coerced to type 'integer'

I'm trying to identify which of two regions within a shapefile specific spatial points lie. To this I used this code. This worked well but I ended with a lot of NAs because my 1/3 of my points are ...
1
vote
1answer
15 views

Earth Engine sample regions functions after a loop returns different formatting than individual output within the loop

I have a feature collection of points which has a date column within it. I want to loop through the unique dates in the feature collection and then match corresponding dates within an image ...
0
votes
0answers
18 views

QGIS 3.12: Importing shape (point) to PostGIS database as points without Z values

Currently I am importing vector layers (points) to a PostGIS database via QGIS 3.12. Everything works great expect for one part: after the import is complete all my points have a Z value (which is ...
1
vote
0answers
23 views

Cannot read very large data from GeoServer [closed]

I've an application which using Leaflet reads data from GeoServer. That GeoServer reads data from one underlying PostgreSQL database, that database has a field in one of its tables where I'm storing ...
2
votes
2answers
37 views

Filling one field based on another (same attribute table) with Python

I have one field with a list of integers. I want to fill another field with the sum of those integers. When I print the results on the Python console, everything is fine. But I don't know how to fill ...
0
votes
0answers
34 views

Connect a Python script to a database

I need to run a script tool from ArcCatalog. It needs to access a feature class in an ArcSDE database so I can link the script to the layer as a source layer. I have connected the folder the script's ...
1
vote
0answers
30 views

QGIS layout manager has several A4 layouts: export them all to “the same pdf”

My QGIS layout manager has several A4 layouts. I would like to export them all to "the same pdf". I think that by going through the python console it should be possible. for now I can only print one ...
-1
votes
0answers
26 views

“Aligning” points in ArcGIS [closed]

I want this point align in same way. I tried this in JOSM by using L in short keys, but I want to do this in ArcGIS.
1
vote
2answers
41 views

GeoTIFF projections with Python GDAL

I have a GeoTIFF I imported into Python environment with GDAL. The image has spatial reference data, which are the parameters describing the geo model: (-104.31292762744124, 0.00030593847623094916, 0....
-1
votes
0answers
12 views

Replace/Split Line with another line [closed]

In the first layer there is one line (in this case a street). A certain segment of the road has to be replaced (second layer). How can I cut / replace parts of a line? The main problem is that the ...
0
votes
0answers
16 views

Python parser somehow writes to file I did not specify? [closed]

So what I am trying to do is get options from configfile1 and write them to configfile2, simple. This works great if it would not be for the fact that somehow stuff gets changed in configfile1. After ...
0
votes
1answer
12 views

FeatureClassToNumPyArray/other ArcMap functions in QGIS?

ArcGIS user here. Since we're all working from home now, ArcMap only works 2 VPN's deep and is basically garbage to us now at our office, so I'm going all in with QGIS. I would like to know, what is ...
0
votes
0answers
17 views

Want to use 1 size of base map print layout

I have a project with multiple layers that show different geographical data. I want to use one size for the base map and then display the multiple different data sources on top of that base map in a ...
1
vote
1answer
32 views

Cannot export image on Google Earth Engine

I try to get a satelital image on my google drive by using the code: The image variable is mejorImagen, the problem is this: Export.image.toDrive({ image: mejorImagen, description: mejorImagen....
2
votes
0answers
25 views

How to put custom icon on polygon?

This is my code to draw a polygon on map but instead on putting a circle on each point, I want to put a image (custom icon). How do I do that? var draw = new MapboxDraw({//modifier des buttons pour ...
1
vote
2answers
45 views

List of land cover classes in particular area and use them as an item for ui.Select

I would like to identify the list of land cover classes in particular area and use them as an item for ui.Select. And I would like to use below given label for identified land cover values. I have ...
-1
votes
2answers
35 views

Cannot figure out what is wrong with my code [closed]

I am trying to create a code that will make a new version of a feature class and then geoprocesses some stuff per feature layer. However something in my code is going wrong and I can't figure out for ...
1
vote
1answer
30 views

GeoJSON single feature Polygons changed to MultiPolygon by QGIS and how to convert

I have been rastering maps in QGIS 3.10.2 to provide GeoJSON files and layers in QGIS even though these are created in QGIS as a new shape with the 'Polygon' choice selected and then exported to ...
2
votes
2answers
39 views

Click to open folder within QGIS

I am currently using the Map Tip function to display an image when I hover over a point within the canvas. I would like to be able to click on the image to open its folder location. How can I modify ...
-1
votes
0answers
30 views

How to re-download lost raster files? [closed]

I need to download seafloor sediments and geology raster files. I have previously downloaded this raster file before (seen below). Name Offshore 1:250 000 scale sea bed sediment Source ...
1
vote
0answers
14 views

Query admin boundary from GeoNames API by lat/lon and admin level

I have a list of points (lat / lon coordinates) which represent centroids of admin boundaries for a given country and admin level, e.g. Afghanistan, admin level 1. I need to get their GeoNames IDs (...
1
vote
0answers
32 views

Why does QGIS QuickMapServices' export of hi-res aerial maps return blank images?

Using the QuickMapServices plugin in QGIS 3.12.0 to load Esri World Imagery (Clarity) Beta, I noticed that every time I try to export large scale maps (e.g. 1:1,000) as high-resolution images (at ...
0
votes
0answers
19 views

QGIS 3.12.0 crashes on Arch Linux [closed]

QGIS 3.12.0 keeps crashing randomly without error message when I open and work with Python plugins, e.g. QuickOSM and couple of own plugins for routing, also ORS Tools. I can't even reproduce the ...
0
votes
1answer
21 views

Which coordinate system is used in “gstat” package in R

I am confused about which coordinate system is used in gstat package in R-language and also in geoR package in R-language.
1
vote
1answer
24 views

Options to improve conversion raster to polygon?

Is there a way to convert a raster.tif into a single polygon? # Loading raster.tif DEM <- raster ("C: /Users//raster.tif") # We generate boundary of the raster poly_DEM <- DEM> -Inf polygon &...
-1
votes
0answers
16 views

Rasterize time series spatial data as stack [closed]

I have daily time series rainfall spatial points data for 5 years, I would like to convert these data to raster format as a daily stack for all 5 years. How can I convert these daily time series data ...
1
vote
1answer
15 views

Transition Function Inputs

I would like to define my own gdistance::transition function. However, there are two issues that I aren't clear to me yet. First, I do not yet understand what the input vector to this transition() ...
1
vote
1answer
34 views

Register custom python function in QGIS Server 3.10

I have some custom python functions I have defined in QGIS which I use in print composer. I tried copying the python folder into the QGIS Server path but they do not get propagated. I have seen the ...
0
votes
2answers
76 views

Define categorized renderer with symbols based on several categories

In pyQGIS I have added a vector layer based on a CSV file. The CSV file contains several fields: x , y, Capacity, Category. I can render the map with simple points at the given (x,y) coordinates. ...
3
votes
1answer
54 views

QGIS add attributes of points to attributtable of lines

I'm using QGIS 3.8 with Grass 7.6.1 I want to add only the names of my vertices (from line intersection, duplicates deleted) to the attributtable of my lines (like start and end node). Every line has ...
0
votes
0answers
40 views

R Raster crop - Inversing the selection

I know I can use raster::crop to crop a raster using a polygon shapefile which gives a raster with extracted values inside the polygons. But I would like to extract everything except the inside of the ...
0
votes
1answer
27 views

Upload a Geopackage to PostGIS-DB fails

I'm trying to load a relatively big Geopackage into my database with ogr2ogr and Windows Subsystem for Linux: ogr2ogr -f PostgreSQL "PG:user=postgres password=#### dbname=db host=localhost port=5432" ...
0
votes
0answers
45 views

Unknown spatial data file format

I am building a tool to calculate navigation charges for aircraft flying within Europe. This function is administered by an organisation called EUROCONTROL. EUROCONTROL have an application of their ...
1
vote
0answers
16 views

Drawing the Tropics on D3.js geojson using Linestring

I am using the geoMercator projection on D3.js and want to draw the Tropic of Cancer and Tropic of Capricorn on my map. Right now I added the Equator using plot.append("path") .datum({type: "...
-1
votes
0answers
30 views

Convert raster text labels to vector attributes in QGIS or ArcGIS [closed]

My county has been releasing these Coronavirus case map PDFs that provide caseload data for each Census Designated Place in the county, but has declined to provide a table of the underlying data, ...
1
vote
1answer
22 views

poly2nb {spdep} not identifying neighbours correctly

I am trying to do some spatial generalised linear mixed models for areal unit data with the CARBayes package. As part of this, I need to identify the polygon neighbours into a neighbour list using ...
0
votes
0answers
32 views

Merging multiple small overlapping polygons into one [duplicate]

I have data like this. I need to combine these overlapping polygons into a single polygon. I used merging of polygons, but it takes more processing time in QGIS. Is there any other way to do this?
0
votes
1answer
32 views

Preparing data for polygon to raster?

I am doing my GIS course term project in which I am integrating 3 kinds of map with index overlay method to see how much heat stress level is on my walking trail. To do it I have the tree canopy ...
2
votes
1answer
27 views

Tile error: Expected a homogeneous image collection, but an image with an incompatible band was encountered

It is a very simple script, but I cannot figure it out. The script is to create a list containing the constant images from 0 to 32, and then display them. var test = ee.List.sequence(0,32).map(...
0
votes
1answer
25 views

Using Union tool without optional overlay layer

In QGIS 3.10.3, I'm trying to figure out how to use the Union tool without the optional overlay layer. When I go to "Vector > Geoprocessing Tools > Union..." and bring up the tool, the ...
-1
votes
0answers
24 views

FeatureClassToNumPyArray and other ArcMap functions in QGIS? [closed]

ArcGIS user here. Since we're all working from home now, ArcMap only works 2 VPN's deep and is basically garbage to us now at our office, so I'm going all in with QGIS. I would like to know, what is ...
2
votes
1answer
32 views

Proj string issue

Could anyone explain why the target in this proj string is not correct? $ projinfo -s EPSG:4326 -t '+proj=gnom +lat_0=61.39107201212929 +lon_0=-58.56360634793518' -o PROJ target CRS string is not ...
0
votes
0answers
15 views

Aliased field names in qgis2web popup are duplicated

I added aliases to the fields displayed in the popup. Now when I hover over a feature I get a popup with the original field names AND a second list with the aliased field names. The labels in the ...
0
votes
0answers
10 views

Downloading raster data from layer file hosted on image server

I'm trying to create some time series graphs using multiple rasters. Layer files that link to the raster data are hosted on an image server located at https://gis.water.ca.gov/arcgisimg/rest/services/...
1
vote
0answers
20 views

qgis2web problem exporting with match project crs

I am trying to export a map that contains two layers (one is a duplicate of the other, but with different symbology). If I leave the box "Match Project CRS" unchecked, the map exports with no problem. ...
0
votes
0answers
19 views

Saving line as shapefile in ArcGIS Pro

I want to measure a distance between two capital cities in Europe. I need to save the line as a line shapefile and then write the distance between these two places into attribute table. What should ...

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