All Questions

0
votes
1answer
32 views

Which datum transformation should I use when projecting from 4326 to 53008 in ArcMap?

I have a polygon shapefile which is on WGS84 and I want to re-project it on EPSG:53008 (World Sinusoidal). When I'm trying to do it either by 'Save as' or by 'Data management tool - Project" it says ...
0
votes
0answers
23 views

Creating Semivariogram from Satellite Image

I need to create a semi-variogram/a few semi-variograms for a satellite image that is about 20 square km in size. The satellite image is RapidEye imagery (Planet Labs) and it contains about 21 million ...
4
votes
1answer
58 views

Displaying (or filtering) features in one layer based on features selected in another

I have points in a layer "Site-Centroids". I generate a lot of isochrones (polygons) around them, into "Isochrone_Site-Centroids". With all the isochrones displayed, the map is too busy. What I ...
0
votes
0answers
5 views

2018 USGS US Topo Render Differently in Browsers

While opening in a browser a 2018 Geospatial PDF from the USGS, I noticed that different PDF browsers open the same file differently. I'm looking for a clue as to why they are different. Compare ...
0
votes
1answer
6 views

Reducing images to list and array size mismatch

I want to convert a google earth image to a numpy array and use Google Earth Engine's Reducer.toList operation. But the size of array I get is different than the size of image as I see in image ...
1
vote
0answers
10 views

2018 USGS Geospatial PDF produces `ERROR 1: insufficient arguments for Marked Content`

Issue When processing the 2018 Geospatial PDFs from the nationalMap.gov an error occurs that was not seen when processing the same quadrangle from 2015. I should note: there is no problem with ...
1
vote
1answer
27 views

QGIS 3 Scale Bar Should Print at 1" But Does Not

In QGIS 3.4, I am using the Print Layout to print some UTM lines with scale bars. My goal is to make a PDF of a map that is at 1:63360 or 1 inch to the mile. When I print the PDF, the mile Scale Bar ...
2
votes
1answer
23 views

How to hide certain views from ArcCatalog?

I have users that connect to an enterprise geodatabase via OS authentication. They use a couple of methods: An .SDE connection in ArcMap A ODBC connection for MS Office The users need to be able to ...
0
votes
1answer
47 views

Scraping List of Zip codes?

Methodology from basic Basic Level for the whole process. I need a list of zip codes. This is the map: https://eligibility.sc.egov.usda.gov/eligibility/welcomeAction.do?pageAction=sfp If we drill in, ...
1
vote
1answer
31 views

How to calculate TilesOrigin for WebGeoCache in OpenLayers

I'm using OpenLayers 5.2 to display tiles from Geoserver 2.14 with GeoWebCache. For the GeoWebCache to work it is required to define tiled=true and tilesorigin parameters in the WMS requests. How to ...
0
votes
1answer
17 views

Extract values from a multi band raster in R

I currently have a raster with multi-bands. > EVI.all class : RasterLayer band : 1 (of 12 bands) dimensions : 771, 735, 566685 (nrow, ncol, ncell) resolution : 0.002245788, 0....
-1
votes
0answers
21 views

Exporting All data from Case IH AFS Basic [on hold]

I'm working on some data sets being stored in Case IH's AFS Basic software. I do not have access to the raw files, I need the data stored with AFS in Case's own data formats. I've worked with SMS in ...
1
vote
0answers
43 views

Rasterizing shapefile with rasterio and gdal gives all cells 0 values

I am trying to rasterize my shapefile (20 polygons) with rasterio and fiona and turn the new raster into a mask for clipping. I need to rasterize my all polygons in my shapefile and turn on mask ...
2
votes
1answer
24 views

Get exterior ring of a multipolygon using GEOSGeometry or PostGIS

I am trying to get the exterior ring of the multipolygon in the image below using GEOSGeometry (through GeoDjango) or Postgis, but I have not found an easy solution. This is an example of a ...
0
votes
0answers
11 views

Getting population using Geoprocessor and filter by country using ArcGIS? [on hold]

I am using the ArcGIS Geoprocessor to get population from a world map (Google Maps) using circles shapes. Is it possible to filter the results by country when a circle (radius + Lat + Lng) is over ...
0
votes
0answers
10 views

v.net.allpairs - Missing parameter value: WHERE condition SQL statement without where keyword

v.net.allpairs is not running in QGIS 2.18.27 (but runs in QGIS 2.14). QGIS 2.18.27 has responded: Missing parameter value: WHERE condition SQL statement without where keyword. How to fix that?
0
votes
1answer
10 views

How to access GeoServer WMS service in ArcGIS Runtime SDK for QT application

I have been looking finding the documentation on how to add GeoServer WMS services in ArcGIS Runtime SDK for QT applications. However, I found the sample below: https://developers.arcgis.com/qt/...
0
votes
0answers
22 views

Clipping Grid to State polygon using geopandas? [on hold]

I'm new to spatial analytics and geopandas in general. I have US state files, a bunch of points that I figured out how to overlay ontop of said states. However, I can't/haven't found how to overlay ...
0
votes
1answer
11 views

When adding properties to an image, no longer allowed to add to Map

If I create an image, that I add properties to, I can no longer add the image to the Map. How can I add it, or how can I add properties so that it doesn't break? var myPoint = ee.Geometry.Point([-64....
1
vote
1answer
24 views

QgsfeatureRequest - Store result indexes

I recently posted a question. My original goal was to find a way to determine on which side of a line points are located. @xulnik answered this question with two codes. One returns a binary [0;1] ...
0
votes
0answers
11 views

Unable to select table in “reclassify by table” algorithm in QGIS Processing Modeler

In the Processing Modeler (Graphical Modeler) for QGIS 3.4.3, the "reclassify by table" tool seems bugged. I cannot select a Reclassification table, even though it's an obligatory field. Am I doing ...
0
votes
0answers
27 views

Matching streets in two line datasets with PostGIS or QGIS?

Explanation: I have 2 tables on PostgreSQL, one table named 'city' that have linestrings wich represents streets from a city (using QGIS I downloaded OpenStreetMaps data and imported to PostgreSQL ...
0
votes
3answers
31 views

Problem editing, clipping, and saving large shapefile QGIS 3.4

I'm working with a very large shapefile in QGIS 3.4. I only need one section of the layer (near the main city, not the areas outside it) and I'm trying to delete the large sections which I don't need. ...
0
votes
1answer
20 views

Polygonize and mask a GeoTiff with GDAL and OGR

I am trying to polygonize a GeoTIFF: import numpy, sys from osgeo import gdal, ogr from osgeo.gdalconst import * gdal.UseExceptions() ds = gdal.Open('H:/Threshold/nsdvi_range.tif' srcband = ds....
0
votes
1answer
9 views

GeoServer - WMS v WFS (polygon label issue)

I am hoping that when I switch over to WFS that my multi-polygon labelling issue will disappear. Currently I am using WMS, and I believe the reason I am seeing multiple labels within my polygons is ...
0
votes
0answers
5 views

No Data Holes in Certain Tiling Scheme Levels in Mosaic Dataset Imagery Cache

I have a mosaic dataset containing three other mosaic datasets (one containing county imagery, one containing regional imagery, and one containing city imagery) I have them ordered by putting the ...
-1
votes
0answers
9 views

Calculating error between scales - NRCS SSURGO soil data [on hold]

I'm working with NRCS SSURGO soil data that was digitized by hand at a scale of 1:12,000. We want to use the data at a scale of 1:2,400, and I'm wondering what level of error/accuracy to expect from ...
0
votes
0answers
6 views

Calculate distance between multiple arrays and landsat bands in IDL

I have a set of landsat 7 layers, that look like this: files = [ $ "D:\ArcGIS\Programmieren in IDL\Landsat Daten\landsat_b1.tif" $ ,"D:\ArcGIS\Programmieren in IDL\Landsat Daten\landsat_b2.tif" $ ...
0
votes
1answer
22 views

Use Image in calculation if a certain property is given

The goal is to select certain images from an image collection of Landsat 5 raw scenes, which possess a property called RADIANCE_MAXIMUM_BAND_6, since not all images contain this property. if (...
0
votes
0answers
31 views

Using File Projection in QGIS?

I am using QGIS AND struggling with setting projections. I am attempting to reproject all of my files that I am accumulating into NAD83-UTMzone13 utilizing the reprojection tool. The tool appears to ...
3
votes
2answers
123 views

How to automaticaly create a buffer for a line in QGIS

I am creating some lines, and I would like to add a 500m buffer around thoses lines. But i need this buffer to automaticaly change if i modify my line around. Is there any solution to this?
-2
votes
0answers
23 views

I can not access the download URL of boundlessSuite-war.zip [on hold]

I can not access the download URL of boundlessSuite-war.zip. I am already a registrar in Connect. How do I fix this?
0
votes
0answers
20 views

Debugging a QGIS 2.x plugin using pycharm? [on hold]

I'm looking for the possibility to debug a QGIS plugin using Pycharm IDE Without the help of Remote-Debugger. For instance, when someone tries to code the plugins on an IDE such as Pycharm, It's the ...
1
vote
0answers
29 views

Why is my watershed delineation different- burned DEM vs non burned DEM?

Using ArcMap 10.4, I am trying to capture potential overland flow of farm ponds in a small watershedu. I've followed the typical steps for preparing a DEM for watershed delineation (pit removal, flow ...
1
vote
1answer
20 views

How do I change 'Coordinate Display' for a project, programatically?

From the user interface in QGIS, I can change the coordinate display (unit) for a project by going to: Project > Properties... > General (tab) and under the Coordinate Display section can ...
0
votes
0answers
9 views

Using Geometric Network toolbar?

I've been using the Geometric Network tools for quite sometime now to trace electric distribution networks for my job and all of a sudden when try to trace the circuits and connected features from ...
0
votes
0answers
7 views

Linking to external files on AGOL in Windows 10

I have a link field in a feature layer on AGOL. I want to link to files that reside on my desktop. When I click on the link nothing happens. If I copy the link to IE or Chrome, I get a search page ...
0
votes
0answers
20 views

Scale seems incorrect in QGIS 3.4.3 for Mac in the editing window

I've been working on a map for a few months now and decided to export it in Composer to see how it's rendering out elements like creek labels when I noticed the exported scale was vastly different ...
0
votes
1answer
35 views

Automatic calculation field based on line modification within QGIS [on hold]

I have a polygon layer with every cities in my region. One of the field of this layer is the population of the city. I also have a line layer which represents some bus route I would like to ...
0
votes
0answers
20 views

How can I export selected features in Processing Modeler?

This question is a follow up from a suggestion from this thread: How to export a single feature (line) from multiple layers and export to individual layers? I'm creating a batch process that selects ...
0
votes
0answers
20 views

QGIS Atlas - Making legend and size assistant automatically update based on which area selected

I'm hoping to use the atlas feature to generate a batch of maps for London postcode districts which will show supply of private indicated by size of dots within the PCD. I was wondering if it was ...
0
votes
1answer
16 views

Is there a step-by-step tutorial or glossary for using Mapbox Studio [on hold]

I am in the process of trying to create a custom map style for a Mapbox vector map using Mapbox Studio. The choice of layers that one can add to a map is quite overwhelming. Thus far the only way I ...
0
votes
0answers
12 views

Shifting Issue with MapFish library and GeoServer [on hold]

This is the content which is posted to the GeoServer (2.14) with libraries from geoserver-2.12.2-printing-plugin { "mapTitle":"", "surveyno":"", "notificationno":"", "area":"", "today":...
1
vote
0answers
22 views

How to export a single feature (line) from multiple layers and export to individual layers?

I have multiple vector layers representing a time series. Each layer contains many lines each. I want to select a single specific line from each of these these layers and save it to another layer. ...
0
votes
1answer
26 views

No module named osgeo - continued

I'm having this issue when I try to use the Polygonise(raster to vector) tool in QGIS 3.4.3 (Madeira) on a Mac running Mojave: File "/usr/local/opt/gdal2-python/bin/gdal_polygonize.py", line 36, in &...
0
votes
0answers
31 views

Finding address with coordinates? [duplicate]

I have an excel spreadsheet that contains a column with the name of some businesses and the next column with the geographical coordinates of these businesses. Is there a way to automatically find the ...
1
vote
0answers
27 views

Can Polygon cross other Polygon on the surface?

I'm using Shapely (https://shapely.readthedocs.io/en/latest/manual.html) I'm trying to get 'True' value for crosses method (https://shapely.readthedocs.io/en/stable/manual.html#object.crosses) with ...
1
vote
0answers
11 views

Resolving topology errors after merging polygons

I have two SpatialPolygonDataFrames, and I have two merge them. SPDF1 contains watershed are falling within the country, SPDF2 has watershed are falling outside the country, so the both should match ...
1
vote
0answers
18 views

Load Raster from MS SQL Server into QGIS

Attempting to connect to an MS SQL database in QGIS. Database connects fine, and all the vector items load correctly. Rasters, however, appear as polygons, geometry column shows as FOOTPRINT, and ...
0
votes
0answers
12 views

Is it possible to increase the number of coded values when creating domains?

For context I am creating a GeoForm app via ArcGIS Online to collect species data at various locations. Problem When setting up domains using "Coded Values" (see image 1 below) in ArcDesktop (v.10.5....

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