0
votes
0answers
5 views

Camera Parameters for Planet Labs Satellites

I am trying to run some computer vision algorithms on Planet scenes. Probably one of the most important collections of information for computer vision is having the camera parameters (intrinsic matrix)...
0
votes
0answers
11 views

whats a good replacement for microsoft streets and trips [on hold]

I am looking for a simple mapping editor tool with these criteria: Uses a background of common tiled raster maps - google,bing,osm Need ability to do free hand drawing or add shapes (circle, box, ...
0
votes
0answers
8 views

Validation and Cross validation in ArcGIS Geostatistical Analyst?

I am trying to compare which interpolation (IDW or Kriging) is more accurate for spatial prediction on my data. I have two options: (V) I subseted my dataset into training set 80% and test set 20%. ...
0
votes
0answers
5 views

Seeking documentation for qgis.utils module?

There is a PyQGIS module called utils that I can't find any documentation for. It seems to have some useful functions for loaded plugins. Within the Python console in QGIS you can run qgis.utils....
0
votes
1answer
7 views

Display X-Y data with different colors

I have a list of lat/lon coordinates for data points that I want to put on a map. I want to have the size and/or color of the points to change based on additional columns on the excel sheet with the ...
0
votes
0answers
8 views

Histogram using categorical variable?

I have a map where I assign a risk value of and also a label of high, medium, or low to each zip code on a map. I want to include a histogram next to the map of the distribution between the 3 ...
0
votes
0answers
13 views

Joining to non-spatial SQL database table using ArcGIS API for REST?

A client has a REST service which hosts spatial data, and we are hitting their endpoints to generate maps. However, we are also hosting non-spatial data ourselves, and would like it to be viewed in ...
0
votes
2answers
19 views

Add complex north arrow to ArcMap?

How do you add this type of north arrow to ArcMap?
0
votes
0answers
16 views

Focussing on form created by add-in button and disabling any other buttons or tools in ArcMap? [on hold]

I made an add-in button and make it to show a form when it's clicked. I want the form to be focused. It means when I click anywhere outside the form, it will auto focus on the form and make any other ...
0
votes
0answers
5 views

Is there a digitizing standard put in terms of distance between points or Minimum Mappable Area? [duplicate]

I'm trying to find out what it means when a data set is said to be "digitized from 1:24,000 or 1:250,000, ...", etc. Does it mean that there is a minimum distance between points or some measurable or ...
0
votes
0answers
3 views

Tilting/Change angle of view from ortho in Mapserver or Openlayer

I am wondering if there is a way of changing the angle of view in Mapserver from Ortho to as google maps can make it. Perhaps this is an extensive modulation of Google Maps? I could imagine that ...
0
votes
0answers
11 views

Using text file to store tool parameters for ArcPy tools that have many arguments? [on hold]

How would I pull in script parameters from a text file to use in a script running as a scheduled task? I need to create a connection file, and cannot store the credentials in the same place the script ...
0
votes
0answers
12 views

Visualising DEM with threejs plugin?

I have DEM file for a small mountain created from TIN interpolation of points. The DEM looks correct on the flat QGIS working area. The moment I try to visualize a 3D of the DEM using threejs, I get ...
2
votes
2answers
15 views

GDAL grid produces NoData

I have a series of text files that represent X,Y,Z elevation data. I'm trying to use the GDAL grid command line tool to convert these text files to raster GeoTIFs. My files are space delimited and so ...
0
votes
0answers
9 views

Errors executing certain algorithms in QGIS Processing Toolbox?

When I execute certain algorithms in Proccesing Toolbox, for example "Convert polygon/line vertices to points" I get the following error: Algorithm Convert polygon/line vertices to points starting....
0
votes
0answers
9 views

Using Stamen toner-lines tiles as ArcMap base map?

Is it possible to use stamen toner-lines tiles as a base map in ArcMap? If so, how are they added as a base map? Several Stamen maps are available through ArcGIS Online, though not the toner-lines ...
0
votes
1answer
10 views

PyQGIS refresh layer tree programmatically

When programmatically applying a subset string to a vector layer (here: ax_flurstueck with object count 34265) via l = iface.activeLayer() l.setSubsetString('gemarkungsnummer in ('2760','2765','...
1
vote
2answers
25 views

Find true projection of feature class?

I have a feature class that has been processed and says that the projection is in WGS 1984 Web Mercator Auxiliary Sphere. However, I suspect that it is NOT truly in WGS 1984 Web Mercator Auxiliary ...
0
votes
2answers
11 views

Errors when publishing map services in ArcMap 10.3

I am using the python script provided by arc help to publish map services but keep getting this error. I am using desktop ver 10.3 and publishing to arc server 10.1. Different version isn't a problem. ...
-1
votes
1answer
31 views

Can i set a specific transformation, for my Feature Dataset?

Using ArcMap, i created a 'Feature Dataset (FD)' and set it to WGS84, F23s. If i export a shapefile in SAD69 F23s, to this FD, it automatically project the shapefile to WGS, using the "...
0
votes
0answers
5 views

Density Slicing of MODIS Raster

I have some MODIS data processed with MRT tools. They are now in tiff format. Now, I have to complete Density slicing to identify water pixels from the image. The DN higher than 1985 is usually non-...
0
votes
0answers
10 views

Geoserver not recognizing jsonb attribute in SQL view of PostGIS db

I have an instance of Geoserver 2.8.2 running and a PostGIS database. I am attempting to create a FeatureType based on an SQL view of the following table (viewed through psql \d): ...
-2
votes
1answer
12 views

Qgis2threejs error after changes in qgis-ltr-bin

I have installed QGIS 2.8.9 in C:\OSGeo4W folder and change qgis-ltr-bin.bat last line with start "QGIS" /B "%OSGEO4W_ROOT%"\bin\surveykshak.exe --configpath "%OSGEO4W_ROOT%"\qgisini%*. I changed ...
0
votes
1answer
3 views

How to view what properties exist in a GeoJSON file loaded into MapShaper?

Suppose I have a large GeoJSON file loaded into Mapshaper. I want to convert a property to use as an ID field on export, but I don't know what the property naming schema is. The file is too large to ...
0
votes
0answers
26 views

Opening ESRI Personal Geodatabase (*.mdb) in Ubuntu QGIS? [on hold]

This question has multiple components. (1) The immediate problem: Cannot load the data from a file called landuse.mdb into QGIS. Ubuntu version: 14.04 LTS, 64-bit. Mostly vanilla install. QGIS ...
1
vote
1answer
20 views

Distance from point stored in geometry with SRID 4326

I have stored 2.5 million data points (addresses) using the geometry data type in column latlong with SRID 4326. The latlon - column has a GIST index defined. I would select all addresses within a ...
2
votes
2answers
94 views

Python script for filling <Null> values with previous value in one field

I have a table (inside a File Geodatabase) that looks like this: I need the values of Owner attribute to be automatically filled with the previous non-Null value. As Such: Is there a Python ...
1
vote
0answers
20 views

Find all projects that source dataset?

Is there an easy way to see all the MXDs that use data from a single file geodatabase (GDB) as their source using ArcCatalog? I'm not arcpy proficient. I feel like I've used a tool like this before, ...
0
votes
1answer
15 views

How to calculate next point given two gps coordinates and speed? [on hold]

If an entity is traveling in a straight line and at a known speed of 1km/min, how can I calculate the next point at time t given two gps locations? The altitude does not matter. The gps format is in ...
0
votes
0answers
9 views

Snapping a point Exactly On a Line in QGIS 2.8.6 [duplicate]

I have a layer with points (representing train stations) and another layer consisting of lines (representing rail roads). I would like to snap my train stations exactly on the rail roads and not in ...
1
vote
0answers
19 views

How to save raster output in different directory without duplicate in set workspace? Arcpy

I am using the Weighted Overlay tool in Arcpy and I've not had this issue before with other tools. I'm wondering if it's a tool-specific problem. The output I get from the weighted overlay tool saves ...
0
votes
1answer
12 views

Define polygons with structured data points

I am doing image processing and I get some scatter points (blue) now, filled with random points (red) on it. I want to find the random points lay inside scatter blue circles. So I tired with MATLAB ...
0
votes
0answers
21 views

Create polygons based on Attribute

I have a Lake Layer for a state in which there is a field that contains the overall score(1-5) for a lake. Based on the overall score attribute, I need a way to create polygons that group these ...
-2
votes
2answers
41 views

Digitizing in ArcGIS for Desktop? [on hold]

What are the quickest and easiest ways of digitizing in ArcMap? I want to digitize pipelines on a pipe network map.
1
vote
0answers
7 views

Selecting by character strings from field using ArcGIS / R bridge

I am attempting to use the ArcGIS / R bridge R package "arcgisbinding" in order to do the following: I am trying to select features in a map layer based on textual matches, and I thought that I might ...
0
votes
1answer
9 views

replacing shapefile data source in subdirectories with feature class

I have lots of mxds in subdirectories of this folder. I would like to walk through them and replace a shapefile with a feature class from a geodatabase with something like this. This code here is not ...
0
votes
0answers
9 views

Web service to get near by road on giving Latitude Longitude

Is there a web service available which on providing a Latitude and Longitude can give the nearest road with its type i.e. whether the road is a highway or district road? Google reverse geo-coding ...
0
votes
0answers
29 views

Missing tools in ArcMap?

We just upgraded to 10.3.1 and I'm having trouble finding some of the tools. I have searched and searched to no avail. Here is what I'm looking for: Find dangles, find overlaps, transfer point to ...
0
votes
0answers
21 views

Trouble Merging two Shapefile Layers in ArcGIS Desktop

I am having trouble merging two shapefile layers from ArcGIS 10.4 Online in ArcGIS 10.4 Desktop. Every time I attempt to execute the Merge an error message related to the content of one of my fields ...
1
vote
2answers
15 views

Calculate centre point of SpatialGrid object

I am using R and have a SpatialGrid object similar to the example from this question: Overlay a spatial polygon with a grid and check in which grid element specific coordinates are located ## read ...
0
votes
0answers
5 views

Clear Cartodb.js layer of a Leaflet map

I'm getting problems to clear a Carto Layer. The aim of the function is to locate some closest points and repeat the operation removing the previous query. The query and the data receiving are working ...
0
votes
1answer
8 views

Change geomarker in symbol

How is't possible to change the geomarker in another symbol? For examle 'a bike' http://openlayers.org/en/latest/examples/feature-move-animation.html
0
votes
0answers
7 views

Combine cluster and categorical mapping on Cartodb

I came across this map that shows clusters but when you zoom in, the they split into points reflecting categorical data. How do I replicate this on cartodb?
0
votes
0answers
7 views

QGIS 2.14 hangs at “Starting up the GUI” and fetching plugin repositories

All of a sudden, QGIS 2.14.4 hangs on startup on Win7 for at least 2 min. Eventually it starts without error. Hardware is not the issue (Core i7, 8GB ram, etc.). I tried reinstalling with OS4Geo ...
0
votes
0answers
16 views

QGIS 2.14.4 How to get the legend of a Vector heatmap layer?

I'm new on QGIS and PyQGIS. I'm trying to create a plugin which aims to apply a style on a vector layer (generated from a csv file) and then save the map as a png file. The style I apply on the ...
0
votes
1answer
12 views

Focal Statistics produces corrupted/ partial Output ArcMap 10.4.1

I recently encountered an issue with ArcMap that I am not able to solve by a workaround: I have a grid file covering the EU plus a couple of other countries inside a *.gdp (cell size 1000 x 1000 m). ...
0
votes
1answer
9 views

Altering featureinfo_text_html.xsl in ArcGIS Server 10.3.1 to display images? [on hold]

In my WMS layer I have a URL pointing to an image. Does anyone have an example of how to manipulate the HTML template to display the image?
1
vote
1answer
12 views

How to edit a WFS layer with leaflet draw

I have spend more than 4 hours trying to figure out how I can do this. I use Leaflet and Leaflet Draw in order to draw news features on my map. Now I want to be able to edit features of an existing ...
1
vote
2answers
22 views

Updating linestring geometry by replacing its points

I have a linestring on my postgis. and I want to update a point in this linestring. I mean I want to update the geometry of the point in the line string by an other points
1
vote
1answer
9 views

Get features of external geojson file

I'm loading an external geojson file with the next code: var sourceTour2016 = new ol.source.Vector({ url: 'tourdefrance_2016.geojson', format: new ol.format.GeoJSON() }); var ...

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