0
votes
0answers
2 views

Many ELSE statement in Expression in QGIS (2.6)

is it possible to have more than one ELSE in the CASE WHEN statement in the Expression builder in QGIS? For example: CASE WHEN "population" > 5000 THEN 'big' ELIF WHEN "population" > 1500 THEN ...
2
votes
1answer
12 views

How to set the extent of a rotated data frame from a rotated rectangle using ArcObjects?

I use ArcObjects to produce a map document. I have a rotated rectangle that I want to be the exact extent of my data frame. So, I want to rotate the data frame with the same orientation than the ...
0
votes
1answer
4 views

Use coordinates from Geotools geometry-object to send request to Webserver

I have a polygon as a Geotools Geometry Object. No I want to use the coordinates of the polygon to send a request to a webserver. The webserver demands the coordinates to be in the following format ...
0
votes
0answers
19 views

How to split linestrings where start/end points don't touch nearby lines

I am trying to figure out some basic routing with PostgreSQL/pgRouting and I'm struggling a bit. Our network of linestrings are not topologically correct, tracks that should be connected don't touch, ...
0
votes
0answers
2 views

Grass GIS “v.in.ogr”: How to prevent crossing lines from beeing split where they don't share a common node?

I want to import a road network into grass gis to run network analyses. I use "v.in.ogr" to import my road shapefile. The problem is that Grass GIS seems to split every crossing line no matter if they ...
0
votes
0answers
4 views

How to highlight the number of overlayed lines in ArcMap?

Using ArcMap 10.2, I have a feature class composed of several lines representing bus routes for the same transit line. There are different routes according to schedules. In the image below, each route ...
0
votes
0answers
8 views

How do we overcome the GRASS problem? [duplicate]

It appears that whichever version of QGIS I download when I open the program the same GRASS plugin window tells me "QGIS couldn't find your GRASS installation. Would you like to specify path (GISBASE) ...
1
vote
0answers
3 views

How to solve coordinate differences between packages

I have two maps generated by two different methods. The first, I used maps package and the function map() and symbols(). On the other hand, I used the ggmap package with the ggmap() and geom_point() ...
0
votes
0answers
3 views

QGIS 2.4 - DB Manager - Spatialite Database - Added columns not shown - How to apply fix by Kuhn?

First: I´m only using the built in menus of QGIS 2.4, not entering code manually. I have a simple Spatialite Database with a Polygon Layer and two columns (Text_ID and Description). I used DB Manager ...
1
vote
1answer
193 views

problem with popup conclusion on pressing a marker

I have markers on pressing to which popup has to be brought. how to make it? (coordinates of markers undertake from a DB) var map; var markers; function ejecutar() { init(3); ...
0
votes
1answer
28 views

Rule -torque-frame-count not allowed for Map

I'm simply trying to recreate a map I've already made successfully but with an updated table. I added the table to CartoDB, selected "Map View," and then selected "Torque Cat." Aside from doing those ...
1
vote
1answer
12 views

add points when joining two datasets together in ArcGIS

I am trying to join an excel file with a shapefile based on a zipcode. My problem is that I have multiple persons with the same zip code, but it joins only 1 of those persons. Is it possible to ...
0
votes
2answers
18 views

send csv with polygon or line in gps data

I want to send a csv with a polygon or line to show it in cartoDB map but when I try to send data to the server I don´t know the exact way to send the info. for polygon some think like this. ...
1
vote
1answer
22 views

Synced CSV File Google Drive - Not Filling out Georeference field for visual

I Have a JS account on Cartodb with the sync option for data. I have created code to upload CSV file to Google Drive of all login activity of our Google Accounts for the last day. If I select this ...
2
votes
1answer
17 views

Mapping datapoints over several floors of a building

I'm new to web mapping and am planning and investigating ways on how to best plot and visualize user flow through a building across several floors. We are planning on tracking users location based ...
0
votes
0answers
7 views

osm2pgsql cannot connect to postgis database, running on a Bitnami project installer

Based on this guide I am trying to import an .osm.pbf file into my PostGIS database, which is running on my Postgres Bitnami installation here: [bitnami@ip-xxx]/usr/share/proj$ which postgres ...
6
votes
1answer
361 views

How To Do OpenLayers.Mobile Popup

It seems that the OpenLayers.mobile.js library (v 2.12) doesn't have a popup class. Does anyone know how to do a popup with the mobile version? I'm using some code that i ported over form normal OL ...
0
votes
2answers
7 views

CartoDB - Update column from local csv

So I uploaded a csv from my local drive and set up the map, but I would like to update a column of data every day and re-upload the csv, but keep map settings. The dataset is very simple: one column ...
0
votes
0answers
39 views
+100

QGIS crash when I try print geometry

I do (It`s work): from osgeo import ogr inputds = ogr.Open(r'c:\temp.shp') inputlyr = inputds .GetLayer() for i,feature in enumerate(inputlyr): print i, feature.GetGeometryRef() Output: 0 ...
0
votes
1answer
14 views

Changing mouse wheel zoom settings in QGIS?

I'm having a problem with the mouse wheel zoom setting on my macbook trackpad. The zoom occurs far too quickly for any level of precision. I noted this comment in the dev log: 2004-08-14 [gsherman] ...
0
votes
1answer
10 views

Defining attribution in OpenLayers3

Can't define options for source attribution. What is the right way to do this? Tried this two approaches> (My attribution does not change: is open and with default labels ) var tile_photo = new ...
4
votes
1answer
504 views

Extract BoundingBox of Cities

For simple geocoding purposes I want to extract all cities from a single country of openstreetmap. They only queries I want to do are: ZipCode -> (List of) BoundingBox of City/Village ...
-1
votes
1answer
17 views

Geonetwork installation

I have installed GeoNetwork using the windows installer, but when i try to open, it displays the error message below: Raised exception while initializing resource main-db in C:\Program Files ...
0
votes
0answers
7 views

Problem with connecting remot wms connection to GeoServer

In my geoserver admin panel I try to connect new stores - remote wms connection: ...
1
vote
1answer
230 views

How to set min and max value for stretchType: esriRasterStretch_PercentMinimumMaximum

How can I set the min and max values for the stretch type "Percent Clip" in arcobjects? It's possible to set the Stretch type: rasterStretch.StretchType = ...
0
votes
0answers
11 views

Spatialite in GeoDjango - “…they do not properly define db_type…”

I've started a new project and choose GeoDjango for it. Because I already developed with Django and sqlite as a DBMS and all worked perfectly fine for me, I found it a great option to use spatialite ...
9
votes
7answers
3k views

Is there a Free Opensource Shapefile Writer for .NET?

I am looking for a well documented, OpenSource Library that can create and write to a shapefile from .Net. I need lower lever access:i.e. I should be able to write feature by feature. Does such a ...
2
votes
1answer
20 views

XML ElementTree in ArcPy consuming WMTS XML

How do I work with the xml Element Tree to obtain the ScaleDenominator parent where ows:Identifier = default028mm? With a fair bit of swearing I have managed to hack my way into all of the WMTS ...
0
votes
0answers
8 views

How to convert geometric point to geographic point in SQL Server?

I am new to sql geometric and geographic types What I need is a way to convert a sql table of geometric points into geographic points?
1
vote
1answer
278 views

Renderd outputs “failed to initialize projection 4326”

I'm setting up a tile server using the guide provided here. I have everything set up. proj4 is installed in version 4.8.0. The espg file is existant, I ran an xmllint over my xml style file without ...
-1
votes
0answers
9 views

How to run cartodb automatically on start up

How can I start cartodb and have it on always even after server boot or shell access is closed
0
votes
0answers
5 views

How to save features via OpenLayers.Layer.Vector for each session seprately (multi-session environment)

I have a question. I would appreciate if you could help out. I have a web application which uses OpenLayers to overlay a network dataset through GeoServer on a map. Users could add features to the ...
0
votes
1answer
127 views

Change the value of an attribute using QgsFeature object

I would like to update one attribute of a feature. However, I don't know to update it using the feature object. I have to use data provider to update it. layers = ...
1
vote
2answers
52 views

What causes ERROR 000210: Cannot create output in_memory\AND from ArcPy?

The ArcGIS for Desktop "ERROR 000210: Cannot create output" has been reported on this site a number of times but an in_memory workspace seems to have been implicated only once: ERROR 000210: ...
5
votes
0answers
2k views

ArcGIS 10 Rest services regulary stop working

I have a problem with a new installation of ArcGIS Server. The installation is ArcGIS 10 on Windows Server 2008r2 with IIS 7. I have followed this guide to configure the IIS ArcGISServicesAppPool: ...
3
votes
1answer
861 views

Add MicroStation dgn to ArcGIS/ArcCatalog 10.1

I'm an iOS programmer but new to using ArcGIS 10.1. I'm having a problem loading my MicroStation dgn file to ArcCatalog. I've connected the folder containing my MicroStation V8i roadway design dgn to ...
0
votes
1answer
13 views

QGIS - use atlas attribute with 'Like' command

Does anyone know how to use the new get Attribute function in conjunction with the "Like" command? I have a table with an Attribute "Sub_Region" and want to show the features that match the atlas ...
0
votes
1answer
8 views

Openlayers 2 How to know the map is after panning/zooming

Firstly i found a logic to customize or extends Openlayers 2 Control Navigation. I dont want to custom the openlayers default, because I'm currently using 2 different map in one page. especially to ...
2
votes
1answer
229 views

How to Map Latitude/Longitude to FAA Chart?

How can I map latitude/longitude to an FAA digital chart? Attached is a sample GEOTIFF. More specifically, how can I get a reference points from the digital data? Once I can get reference points, I ...
1
vote
1answer
67 views

What should be my learning progress regarding GIS open source

I was wondering for a while now, what should be the hierarchy of my GIS knowledge or better to say, learning curve in domain of open source GIS. Should I start with Geoserver and PostGIS then ...
34
votes
4answers
8k views

LatLon or LonLat, what's the “right” way to display coordinates and inputs?

I'm trying to get a sense if this is an issue for others or every input/output should be labeled so user is not confused and just go with it? I think almost everyone pronounces it as "LatLon". Who ...
0
votes
0answers
17 views

Why are Lat/Lon Coordinates often displayed as Lon/Lat in data sets? [duplicate]

Why are Lat/Lon Coordinates often displayed as Lon/Lat in data sets? Thanks in advanced!
0
votes
1answer
236 views

I can not override my WMS layer in Google Maps as a base

I can not override my WMS layer in Google Maps as a base: I have a WMS layer in geoserver am using openlayers to show them. Calling only works WMS layer:   see my code, I am using using the bounds ...
0
votes
1answer
7 views

ENVI 5.1 how to load two image?

I am using ENVI 5.1 and when I use the Data manager to load several image and if I want to load two adjacent image why would one load and other doesn't load. Am I missing something here ?
0
votes
0answers
15 views

Cant display x,y data [duplicate]

I ve trouble to display x,y data in UTM coordinates from xls file. It just shows on table of content and do not appear on working screen in Arcmap10.1. When I ckheck the map scale it different withe ...
0
votes
1answer
9 views

How to show a map with queries from a map file connected to postgres in browser using javascript?

So, the problem is how to show a map in browser using javascript? I have a map file with 2 layers in it: "peta" is a shp data from postgis and "korban" is a numeric data from postgresql. And then I ...
0
votes
1answer
11 views

Creating a spatial reference in arcpy from projection name

I am using ArcGIS 10.2.2, Python 2.7. I want to create a spatial reference from the name of a projection, e.g. NAD_1983_BC_Environment_Albers, using the arcpy tool ...
1
vote
1answer
146 views

Why do classic google maps and the modern google maps show different types of driving times?

As I am currently working on a project, where driving times are quit important, I've noticed that classic google maps and modern google maps show different types of car driving times. While the ...
1
vote
1answer
543 views

Export KML from points plotted in javascript Google Maps API?

I want to export a KML file from points plotted in Javascript using the Google Maps API. Is there a way to do this? The user logs in and checks Google Maps, then plot points on the map and finally ...
4
votes
2answers
833 views

Can't export a polygon shapefile to MySQL using ogr2ogr?

I am having problems with ogr2ogr and keep getting different versions of the error: ERROR 1: MySQL error message: The used table type doesn't support SPATIAL indexes. Description: ALTER TABLE ...

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