0
votes
0answers
3 views

Spatial Query tool for Mapbox

I’ve using Mapbox Studio to create a web map that’ll allow a user to interact with some basic parcel data. I’m looking to add a basic spatial query tool for the user so that they can apply spatial ...
0
votes
0answers
5 views

NameError when attempting to auto increment field with python script [on hold]

I am getting the following error when trying to run my code and I am not sure why: NameError: global name 'rec' is not defined Here is my code: field = "id_num" rec=0 def autoIncrement(): ...
0
votes
0answers
5 views

Union PostGIS tables turns blank

I have a simple tasks that regarding combining multiple Postgis tables. Let's say I have 4 tables called tx_shape, ca_cd_1_shape,wy_shape, and ma_suffulk_co_shape. Two of which are states, one is a ...
0
votes
1answer
7 views

National Map downloading wrong coordinates?

I am downloading an elevation raster from the USGS national map. I am using the method where you view a map of the US and draw a box on it. I am able to downoad the data and view in in ArcGIS Pro 1....
1
vote
1answer
8 views

Converting double field to to integer in database view so ArcMap query layer can use field as unique identifier?

I have a field in a table that is a double data type, but the values are actually integers. The table is from third-party software, so I don't have control of the field data types. I'm attempting to ...
0
votes
0answers
7 views

Return closest element in GeoSeries

Is there any built-in function or quick hack to efficiently return the closest element (index) to a point for a given geopandas GeoSeries? Something like >> geopandas.GeoSeries( >> { ...
0
votes
0answers
4 views

keep dijit menuitem open after select

I have a table of contents (TOC) with a legend that allows me to turn on/off layer in my map. I placed my the TOC in a dijit menubar across the top of my page. When I make a selection from the TOC to ...
1
vote
1answer
7 views

random sample of raster cells based on multiple classes in R

I have a raster dataset that is classified into vegetation classes. I would like to randomly sample from the dataset based on the vegetation classes, but not sure how to do it. Here is some example ...
0
votes
0answers
12 views

Dasymetric mapping (QGIS)

Good afternoon everyone, I have the following shape layers: Rivers.shp NaturalArea.shp CountyBoundary.shp And I have a Census table showing the population count within the county. Now obviously ...
1
vote
0answers
22 views

Why does QGIS 2.16 have longer load times than 2.8, especially working with tables?

I was previously running an LTR version of QGIS (2.8.9 I think). I installed 2.16 and found that opening tables takes a very long time. Deleting columns in tables now takes hours as opposed to seconds....
0
votes
0answers
2 views

Add Scale Overlay template gxp OpenGeo suite sdk

I need to add the scale on the map, it is assumed that .js is in the Widgets folder, that means that I should add as Plugin, maps and layers I have this code put in app.js: map: { id: "mymap", // id ...
1
vote
0answers
8 views

Generate a map image file from tiles and features

I am looking for a way to generate images (e.g. png) from a tile source with features added on top of the map, without user interaction or requiring a browser. Currently, I am able to create a ...
0
votes
0answers
9 views

Add dynamic text from external source?

I am developing some templates for my office and would like to pull information from an external source. A product request form was developed as part of a SharePoint using InfoPath. The main things ...
0
votes
1answer
15 views

qgis2web Plugin Broken?

After the qgis2web plugin was upgraded last week the popup window shows all fields in the attribute table when you click on a feature regardless of which ones were selected in the dropdowns when ...
0
votes
1answer
13 views

Postgis - Fill a table matches multilayer from a buffer

I have some tables in Postgis of differents geometries (Points, Lines, Polygons). I create a buffer of 1 kilometer of one point with this: ST_Buffer(ST_GeomFromText('POINT(3056563.45195278 804692....
1
vote
2answers
12 views

Parsing error: in Conditional raster calculator?

I was trying to calculate Soil types based on the FAO's guidline using the Con tool in raster calculation with ArcGIS 10.3. from three layers (silt, clay & sand). But, I got an error saying: ...
2
votes
1answer
19 views

Feature Class to Shapefile with Definitions not Values

I have a point feature class in an SQL Server Geodatabase that we use for day-to-day analysis. Occasionally we receive request for copies of our data from the public and send them shapefiles. If I ...
0
votes
0answers
7 views

Error while creating development user CartoDB

While creating development user I get this error: [pool] Found a connection for localhost:cartodb_dev_user_ec9cc5c4-2863-4fc6-acbf-95bcb52ea902_db:5432:postgres:sequel (4) (0.000178s) BEGIN PG::Error:...
2
votes
0answers
7 views

OpenLayers 3: Geometric OGC filters

How do I generate geometric OGC filters for use in a WFS GetFeature request such as: <ogc:Filter xmlns:ogc="http://www.opengis.net/ogc"> <ogc:Intersects> <ogc:PropertyName&...
0
votes
0answers
24 views

Shortest path between some points in QGIS

I'm using QGIS software to calculate shortest distance between 750 points (rental stations of the bike sharing of London) on OpenStreetMap. The lines should follow the streets of the map downstairs. ...
0
votes
1answer
13 views

Legend symbol size- ArcGIS 10.3.1

I work with point layer in this size in the map: When i create a Legend, the symbol size is to big: I try to avoid from solve this issue by: decrease the symbol size in the layer properties. ...
0
votes
0answers
12 views

“Change Version Dialog box” does not show all versions

I just upgraded to ArcMap 10.3.1 and have gotten all of my database connections set back up. I'm trying to change the version I'm editing under the "List by Source" view but I'm only seeing two ...
0
votes
0answers
12 views

Supervised Random Forest in R

I did an image classification using random forest algorithm in R. I got the result but I do not understand what does the confusion matrix shows ? I mean what does the rows and column show? These are ...
2
votes
0answers
27 views

Determining the first and last point that a polygon intersects

I have this... And I want to join those attributes to the polygon automatically: Because I'll have to replicate this on tones of those polygons. If this works I would like to know if it still ...
0
votes
0answers
8 views

Does frequency of sampling GPS on a smartphone affecting the quality (accuracy) of the samples?

In Android and iOS dev frameworks usually when sampling GPS one specify the sampling rate in milliseconds. Theoretically it can be from even 10 milliseconds up to once in a-5 minute. My question is ...
0
votes
0answers
10 views

Troubleshoot with “Split selected features with selected line from another layer”

I am trying to use the "Split selected features with selected line from another layer" tool from the plugin Digitizing Tools in QGIS. Sometimes, this tool works with my shapefiles but sometimes it ...
0
votes
0answers
5 views

QGIS Server Returns Blank Page on Windows 7

I have installed QGIS Server through OSGEO4W. I followed the instructions the instructions on this page. This link shows me the GetCapabilities xml text. So far so good. http://localhost/qgis/...
0
votes
0answers
10 views

Importing shapefiles into AutoCAD?

When I import a shapefile into Civil 3D 2014 my attribute fields are adding three more significant figures to the end of my values. I have played around with the precision and scale and between float ...
0
votes
1answer
16 views

Rendering polygons with Qgis2threejs?

I have a polygon shapefile cotegorised according to a specific field. I want to present that 3D with the help of Qgis2three.js (sth like that). I have installed the plugin and have chosen the polygon ...
0
votes
0answers
7 views

I can't display a vrt layer with mapserver 6

I have created a connection type OGRVRT in a mapfile to display a csv file. It doesn't work : it says that the memory can't be read. I can't find the reason why. Here is the mapfile : LAYER ...
2
votes
1answer
15 views

R/ggplot2 adding an additional line/polygon to a choropleth map

I have a choropleth map that represents the number of states being affected by a storm event. This is shown in the image below. I want to lay a transparent line or polygon over these states to ...
1
vote
1answer
24 views

Automating the deletion of donut holes

I am using ArcGIS 10.2.2 and I need a way to automatically delete parts of a sketch. For example, I have multiple polygons with numbers inside of them. As shown below, the polygon has the number 28, ...
0
votes
0answers
5 views

Least Cost Path for connecting start- and end-points of guard rails ArcGIS 10.2

I have been trying to connect start points and end points of guard rails with lines that follow along the sides of roads. Of course, this is more complicated than converting points to lines because I ...
0
votes
1answer
16 views

Assigning irregular points to a grid and assigning grid number as attribute

I have a large point data set that has irregular geometry (random sampling) that I want to bin in 2D XY space. I've attached a sketch below to illustrate what I mean. Apologies for hand drawing, hope ...
0
votes
0answers
8 views

Lock circleMarker size - Leaflet R

I am searching for a way to lock the size of the circle markers in Leaflet for R, addCircleMarkers(). I need the markers to retain the size they are relative to the polygon they are within upon ...
0
votes
0answers
18 views

working standalone app .exe from python3 script that imports osgeo gdal?

I have a script written in python 3.5 that uses osgeo gdal (1.11) to extract maps and file info from geotiff files. I would like to compile this code to create a standalone app on windows, and I use ...
0
votes
0answers
14 views

Sentinel-1: biomass for agriculture

How do can I calculate biomass for some agriculture by using VV and VH polarisation SAR images? I know there are some correlation for HV RADARSAT-2 to get biomass for some agriculture like corn, wheat,...
1
vote
0answers
5 views

Download Modis LAI/FPAR product with MODIStools R package

I want to download the full MODIS archive for the LAI product using the MODIStools R package. I am running the command lines below but the output file only contains data from 2014 onwards. Any idea ...
0
votes
0answers
4 views

Creating a COM object from QgsMapCanvas

I want to embed a QgsMapCanvas object to a Windows Form. I did some digging but couldn't find much about if anyone has done it before. Is this theoratically possible and/or practical?
-1
votes
0answers
14 views

QGIS Legend in print composer is corrupted

The legend in the print composer seems to be corrupted. It only shows a few items and when generated; stretches to a massive size and cannot be made smaller. This is a frustrating problem and I just ...
0
votes
0answers
18 views

How to add WMS Layer in custom projection to Qgis?

I published layer from ms-sql server on Geoserver. In sql table i have srid=60900. On Geoserver srs=60900. In Layers Previews layer looks nice. Now i tried show it in Qgis. I add projection and call ...
5
votes
1answer
46 views

Stop Qgis layer from refreshing every time I pan

I've got a layer in a QGIS project which source is a PostGIS view. It's a quite complex view and needs like 20 seconds to load (it makes several spatial analysis). My problem is that the QGIS project ...
0
votes
1answer
7 views

How to preserve properties (like -p) in topojson conversion in Mapshaper?

I'm trying to use mapshaper.org to convert some geojson files to topojson, and I need the identifying properties to be preserved. Normally this would be done with the -p flag on the command line, but ...
0
votes
0answers
6 views

laszip batch process in qgis extension lastool

i am using qgis 2.16 in that lastool plugin contains laszip option. please tell how to run batch process in laszip. ill not able to add multiple files at a time in batch process.result came only for ...
0
votes
0answers
18 views

Setting extent to ArcSDE layer with ArcGIS for Server?

I am trying to find the way to set the extent to SDE feature dataset and feature classes to an specific coordinates. I can do that by using a SDE command, sdelayer -o alter -E minx,miny,maxx,maxy, or ...
1
vote
0answers
26 views

ModelBuilder Iterator: change name output - SOLVED

I have several DEMs where I want to calculate their slope degrees. I used iterate rasters with slope tool and I put %Name%_slope as Output Name. The problem is the Name: it creates a file name too ...
0
votes
1answer
22 views

QGIS Topological editing error - the new polygon overwrite the existing one after saving layer edits

I'd like to digitalizing a map and when I draw a new polygon which overlaps an existing one, at first it merges the boundaries correctly, but after i'm saving the layer edits, the new boundaries ...
1
vote
0answers
14 views

How to create a movie from a collection of layers with open source software?

I have a collection of raster layers portraying a certain spatial phenomenon at successive time steps. I would like to create a video from these layers, with the same colour scheme applied on each ...
0
votes
1answer
21 views

Odbc_fdw.control is missing

I am using cartoDB and Postgres 9.3 including PostGIS. When I try to create development user in cartoDB I get this error: 'CREATE EXTENSION IF NOT EXISTS odbc_fdw SCHEMA public;' ERROR: could not ...
0
votes
1answer
14 views

Confirm Connect WMS Feed

We currently use Pitney Bowes Confirm Connect for our highways inspections. We are trying to use our own WMS feed instead of the default Bing Maps to allow us to have access to information such as ...

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