0
votes
1answer
415 views

CartoDB layer selector - selecting data from 2 layers

I used the CartoDB layer selector example (http://cartodb.github.io/cartodb.js/examples/layer_selector.html) with my data. Works fine. Now, what I really want to do is to select data from 2 layers at ...
0
votes
0answers
46 views

Inexplicable behavior after function call using 'arcpy.mapping.ListLayers'

I have seen some discussions regarding (eventual) bugs when using acrpy.mapping.ListLayers (and perhaps(?) other 'mapping' methods) where the (current) mxd is passed. I have a feeling the following is ...
1
vote
1answer
25 views

Alias variable in MapBasic

I'm having a bit of trouble with the Alias variable in MapBasic. In short, I have a table where I was to group by a specific column. Then I want to run through each unique value from the grouped table ...
0
votes
0answers
6 views

use textual description and name of spatial object from book: copyright?

I have got a copyright question about textual described geo-objects: Can I use the position description of geo-object like a mountain pass or a bridge or something else, which is written in a ...
1
vote
2answers
60 views

Column does not exist - python

My goal is to count the number of wells in each county. I've verified the columns are correct as listed in the attribute table. Do I have a typing or formatting error? I wanted to pull county names ...
3
votes
2answers
1k views

How to trigger a map click event?

I have a map with some markers. On clicking a marker, a popup would appear and on clicking the map, any visible popup would be hidden. I want to hide any currently visible popup upon clicking a marker ...
2
votes
2answers
67 views

Missing v.in.ogr module of GRASS in QGIS Processing toolbox?

I am a new user to QGIS/GRASS and I am having a problem utilizing GRASS. I have several files that I generated in QGIS that I want to import into GRASS so I can use some of the Grass modules. ...
2
votes
1answer
21 views

Capture mouse movement on the map

I have found this Question for capturing mouse movement on the map, but I'm not using python for this project, I use openlayers3. I would like someone to explain to me how can I capture mouse ...
0
votes
0answers
11 views

Where can I find a list with beaches which include coordinates?

I use World Weather Online marine API to get wave height of different beaches. This API provide data by coordinates and I need a list with coordinates of beaches.
1
vote
1answer
610 views

Geoprocessing tool not executing when Map's SpatialReference is Web Mercartor

I am facing a strange issue when trying to execute GP service when my map's spatial-reference is Web Mercator. I appreciate all help. I have a JavaScript API application. Initially I only had my map ...
0
votes
0answers
13 views

osx terminal ogr2ogr batch covert .json to .kml

using osx El Capitan terminal This works fine one file at a time to convert .json to .kml ogr2ogr -f "KML" xxx.kml xxx.json I would like to do all files at once I have tried for %f in (*.json) do ...
1
vote
1answer
82 views

Average width of irregular polygons QGIS 2.12.0 Lyon

I'm interested in examining the average width of streets, that are irregular polygons, for a project. I'm using QGIS 2.12.0 Lyon, and have lines (power cables) and Polygons (streets) as layers. For ...
0
votes
0answers
9 views

How to get all postal code using polygon mapping

I am working with polygon mapping in GOOGLE MAPS API 3. in my application i need to get all postal code (Singapore) between the boundaries which i mapped. can anyone suggest me for any possibilities.
0
votes
0answers
13 views

How to use longitude and latitude coordinates to make a mobile network coverage map using mapbox [duplicate]

I am new to mapping and currently I am trying to make a map showing coverage of a network provider here in my country. The map I am trying to achieve should look similar to that at ...
0
votes
1answer
1k views

Openlayers redraw layers: consecutive redraw calls not working

SETUP OpenLayers / GeoServer + PostGIS REQUIREMENT I have a map with multiple WMS layers and of these I need to refresh a few after inserting a polygon in one of the layers. PROBLEM Given below ...
4
votes
3answers
18 views

gdalwarp to geographic coordinate system

I'm getting the folllowing Error when trying to re-project a raster from NAD_1983_Albers to GCS_North_American_1983. I used the proj4 defenition from going to Properties in QGIS of the layer whose ...
1
vote
2answers
78 views

How accurate i pythons is_land? Alternatives?

I was planning to use Pythons is_land function, to differentiate between land and sea. However, after some inspection, I have major concerns in the accuracy. I cant find anything about this in the ...
0
votes
1answer
195 views

Openlayers stylemap label not working wfs

I have created a style map like following: var scadaPointStyle = new OpenLayers.StyleMap({ "default": new OpenLayers.Style("null", { "rules": [ new ...
2
votes
2answers
2k views

How to get QGIS Server GetCapabilities working on Windows?

I followed this tutorial: http://anitagraser.com/2012/04/06/qgis-server-on-windows7-step-by-step/ but nothing happens. And when I try to open it this error message appears So I tried to follow ...
1
vote
1answer
208 views

White page after setting up reverse proxy for geoserver: Why?

I have installed Geoserver 2.5 in Tomcat6 on a Windows server 2008 R2. I want to have internet access to geoserver so I asked my IT Dept to set up a reverse proxy to internal address using their proxy ...
1
vote
1answer
50 views

How to find the height information from LiDAR point cloud data

I need to find the biophysical parameters(biomass) from the LiDAR point cloud data. For that I need the height of the trees from the data. Currently I am having the general height with respect to sea ...
0
votes
0answers
15 views

How to add image to Globe using ArcObjects

I'm using ArcObjects 10.3 .NET. I need to programmatically add .jpg image to Globe. Image is not georeferenced, but I have four points for bounding polygon (not rectangle). What I need to do is ...
0
votes
2answers
34 views

Polygon Torque Map- problem changing polygons to points

I'm trying to alter my data on cartodb map to get maritime emissions over about 20 years- by country. Hence trying get a torque map for polygons, and by changing polygons to points based on a ...
0
votes
0answers
32 views

Add vector icons and popups in openlayers 3.11

here's what I am working on: http://environmentalobservatory.net/Calumet/3scale.html It works great so far and now I want to put icons, or what we used to call "markers" on it. But I can't find any ...
0
votes
0answers
24 views

Stream Burning/DEM Reconditioning

I am conducting a regional study in the Midwest. I was wondering if stream burning would be necessary for this large region. I am using a 90 meter DEM. If stream burning is necessary, what should the ...
1
vote
1answer
370 views

How do I make my Cartodb info windows wider?

According to my read of andrewxhill (more readable version) I should be able to change the info window size by adding CSS, like so: <div class="cartodb-popup header with-image" ...
6
votes
1answer
3k views

Is it possible to use DotNet to show a QGIS map?

Has anybody ever tried to show and interact with a QGIS map from a DotNet language like C#? What i have in mind is, to write a desktop application with C#, and show an embedded map with the QGIS-API ...
2
votes
1answer
192 views

Extracting LiDAR metrics with TerraScan

I want to extract from a las file statistics such as height percentiles (percentile 95, for example) among others. I can do it with Fusion (using Cloudmetrics and Gridmetrics tools), but I would like ...
5
votes
3answers
4k views

Source for UTM Zone File

I'm looking for a complete, freely available file showing UTM Grid zones. Preferably not a simplified version, but one that shows the full grid zones and all 'exceptions' (e.g. in Northern Europe) - ...
3
votes
0answers
42 views

Combine multiple adjoining parts of a single feature

In QGIS, one polygon feature resulted from merger of several adjacent polygons. This one new polygon feature has a single line through it that I would like to eliminate. When hovering over individual ...
1
vote
1answer
27 views

Point in Polygon: Aggregation does not work

I'm working with these data: click here. The task is actually pretty simple but somehow it won't work properly. I have a point and a polygon layer. In most polygons there are a couple of points. The ...
0
votes
2answers
441 views

Spatial ETL Tools won't run “AttributeError: 'module' object has no attribute, etc.”

I have a python script that runs 5 Spatial ETL tools that I wish to run as a scheduled task. Each of the tools will run successfully from ArcCatalog and also from the ArcCatalog Command line. If I ...
2
votes
2answers
27 views

Repeat annotation labels for same feature on different data driven pages

I have an mxd with 29 data driven pages all at the same scale. I have the need to label hundreds of polygon features, so I converted the labels to annotation (stored in geodatabase and feature-linked) ...
2
votes
1answer
39 views

QGIS - PYQGIS Import gpx as vector layer

I'm trying to use the python console to import some gpx files as vector layers. When I do it manually I have to choose which layers to add, my options are: I've tried various versions of the code ...
4
votes
1answer
62 views

Find all intersections of a LineString and a Polygon and the order in which it intersects it

I would like to find out all intersections of a LineString (River) through Polygons (Municipalities). I would like to list the order of municipalities which the river crosses, using linear ...
3
votes
2answers
90 views

Spatial query that doesn't seem to work

I have QGIS 2.8.2 Wien on windows 7 and quite new to QGIS. I have two shapefiles - 1 with rivers and 2 with sites located on some of those rivers. I want to carry out a spatial query to find the river ...
1
vote
1answer
31 views

Extracting coordinates of a triangulation from DEM data

I'm working on the succinct representation of planar graphs and now I'm trying to obtain some datasets to test my results. I saw that Delaunay triangulations of elevation data can be a good source of ...
1
vote
0answers
12 views

connecting ecw to its projection and grid data in an xml file

I'm new to mapping please go easy on me:) I have a bunch of ecw files with 2 xml file one is a file ending with *.ecw.xml and one with *.ecw.aux.xml I am trying to load the ecw files into ...
0
votes
0answers
24 views

First time rasterio error

First of all, I am new to python and rasterio. I am trying to open a simple raster with 5 bands using the rasterio module in python. This is what I am trying to achieve: import rasterio with ...
0
votes
0answers
29 views

Python GPS Observation Equations

I've been trying to write some code that will take pseudo-ranges and satellite positions and then compute the observer's position. I've been trying to follow through this book, but the crucial stage ...
0
votes
0answers
14 views

Why is BorderContainer and ContentPane methods are not called for map and attributeInspector elements using ArcGIS API for JS?

I'm trying to display the attribute inspector on right-side panel when a feature 'onclick' event is called, but whenever i click on a feature the attribute inspector shows-up on left-side of the ...
0
votes
0answers
24 views

arcobjects 10.3.1 c#: Loading Addins programmatically

I am writing addins in C#, and am trying to load an addin. I thought i had the solution, but it seems like the full code is not loaded. The button is added to my toolbar, and code seems to run, too ...
2
votes
1answer
206 views

How to delete features/records in ArcGIS Server using Python

How can I use python to delete records from a table, or features from a featureclass, when they are stored in ArcGIS Server? using REST "delete features" in arcgis api for javascript shows ...
-1
votes
0answers
31 views

Has anybody used ArcGIS Hadoop? [on hold]

We have lots for data we receive from third parties and the tables have different structure and different geometry. If it was just a table it would probably go in hadoop. Has anybody tried ESRI ...
3
votes
2answers
45 views

Is GeoJSON an OGC format

I am using geometries in a JavaScript page and it is best to use JSON objects rather than GML which is XML based. I heard of GeoJSON, but is it an OGC open format?
0
votes
1answer
195 views

Mapbox GL JS, self hosted vector tiles with missing levels

Using Mapbox GL JS with self hosted vector tiles in protobuf format where it looks for tiles using {z}/{x}/{y}.pb paths. I have a scenario where I only have data for zoom levels 9, 11 and 13. Is ...
1
vote
0answers
13 views

Export/print QGis: dismatching OSM data on an OSM-layer

On QGIS (2.10, winXP). is there any known problem by exporting or printing .osm-data (from JOSM) onto an Openstreetmap-Mapnik-layer? The imported waypoints always shift from the left less and less ...
9
votes
6answers
11k views

Google Earth plugin deprecated. Which alternatives? [on hold]

I've got a costumer of mine asking for an integration of the Google Earth Plugin to his website. From Google earth Plugin site I read this: Google Earth Plugin API has been deprecated as of ...
3
votes
2answers
52 views

Loading multiple shapefiles from +1000 subfolders

I have a WATERBODY shapefile for each region within each province in Canada. The region subfolders also contain many other features that I do not need. I am trying to upload and merge all the ...
2
votes
0answers
8 views

GRASS GIS 7.0.3 r.in.lidar problem on Windows 10

I'm having problems to load .las files into Grass GIS 7.0.3 for Windows 10. I use the module r.in.lidar but I get this message: What can I do? How can I solve the problem? Cheers! Vincent.

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