0
votes
3answers
42 views

Where can I find/buy Civic Address Data for all of Canada?

I work for a company that is looking to buy all the civic address data for Canada. I've been Googling around and I have yet to find a solution that is not pay per request. We need it so that it can ...
0
votes
0answers
14 views

Map incresing in detail upon zooming

I have seen some maps that upon zooming they increase in detail, and I will like to know how to get about that. I am versed with mapInfo and qgis 2.2, but when I save my map project in a picture ...
2
votes
0answers
14 views

tfw world file in decimal degrees?

I want to understand how "world files" are created. I found some definitions, like: http://en.wikipedia.org/wiki/World_file which says that the 2 last lines in the file are x and y coordinates of ...
-1
votes
0answers
47 views

Geographical/Spatial analysis

I've got a vast number of layers (10) indicating a geographical phenomena from different dates. In ideal world, the phenomena should be in the exact same spot in all the different layers, or at least ...
0
votes
1answer
20 views

What packages are required to install C++ API on Linux Mint 17?

What packages are required to install C++ API on Linux Mint 17? I already have access to the Python API (installed via “python-qgis” package), but no C++.
1
vote
0answers
12 views

Interpolation code with Mapbasic

I have a drivetest data, and usually I do an interpolation using the values taken in the drive with their respective lat/long. I use natural neighbor. You can see an example attached. I am trying ...
2
votes
1answer
24 views

QGIS reprojecting .ecw file in EPSG:23032

I opened the .ecw file with qgis but I found that the ortophoto is 340 mt northern and 150 mt eastern the topographic map. How can I move the ecw?
0
votes
1answer
24 views

How to export point geomtery geojson from QGIS?

I want export geojson (from shapefile), for leaflet project. But QGIS 2.6 exported geojson is multipoint geometry(leaflet doesn't read that), so its way to export point geometry geojson from QGIS?
3
votes
0answers
21 views

How to make a virtual field function use the same Ellipsoid settings as the normal field calculator?

I have a new shapefile layer in CRS 3857, in a project that has the same CRS. Under project properties, the measure tool is on ellipsoid WGS 84. When i use the field calculator to create a new field ...
0
votes
1answer
120 views

What projection to use with Mapbox base/reference layers?

excuse me if this has been asked before, but I can not find answer after heavy googling. What coordinate system/projection does shapefiles need to be in to be alligned correctly with mapbox reference ...
0
votes
0answers
7 views

CMV LayerControl configuration

I've been reading through the help and readme.md and playing with the configuration options for the CMV LayerControl and I'm pretty confused by the possibilities. It seems to me there are at least 2 ...
7
votes
1answer
170 views

What are pros and cons of forcing square pixels on reprojection?

I am using Erdas Imagine 2014 to reproject 4-band raster data from GRS 1980 NAD83 Lambert Conformal Conic (ft) to UTM GRS 1980 NAD83 North UTM Zone 11 (m). Unlike ArcGIS, Erdas provides the option to ...
0
votes
0answers
5 views

Get Shape Type of Several Shapefile with If Statement

Can you loop over a series of shapefiles with a if loop and either copy them or not? Existing code... import arcpy import os arcpy.env.workspace = r'c:\Shapefiles' outWorkspace = r'C:\Output' ...
1
vote
2answers
73 views

How do I add rows together to populate a new field?

How do I add the values in columns 11_acciden, 12_acciden, 13_acciden, and 14_acciden in order to populate the total_acci column?
2
votes
1answer
23 views

How to use the math tool (“times”) in ArcGIS modelbuilder to multiply two raster sets while using an iterator?

I have two sets of rasters (in the same gdb), representing "loss" and "forestmask". I would like to multiply each forestmask raster (value 1 = forest) with its corresponding loss raster (value ...
0
votes
0answers
16 views

enter coordinates into web form and retrieve results with python

There is a web site that will take XY coordinates and return the closest county/route/postmile within california. I'd like to be able to access the site, enter XY values and retrieve ...
1
vote
0answers
18 views

FME Writing metadata to ArcGIS Online

I am trying to figure out how to write metadata to ArcGIS Online Feature Service from ORACLE SDE and how to update the existing Feature Service metadata, using FME or other tools. I am able to read ...
0
votes
0answers
6 views

Publishing Geoserver WMS on Drupal 7 using openlayers module not working

I'm unable to overlay my WMS layer published from geoserver on map. Im using openlayers module in drupal 7 configured with geoserver + postgis. Im using EPSG:3857projection. Also the Geoserver module ...
1
vote
1answer
151 views

CartoDB, add search box after cartodb.createLayer

I used to use a hack I found online to add a search box to a cartoDB map, which I created using cartodb.createLayer and it used to work, but now it stopped working, the search box does not appear (no ...
1
vote
1answer
27 views

Google Earth Image Offset?

My lat/long points have an offset (2-3 meters) in both X and Y - about 2m SE in my region (-120.644,35.260) - from where the points used to be (unless my memory is failing.) I'm using Google Earth ...
0
votes
0answers
11 views

Load OSM data into SQL Server

I'm learning how to implement my own routing system. First at all I want to load OpenStreet data into SQL Server. I have found this tutorial, that is very interesting. It explains how to create a ...
2
votes
1answer
137 views

Import error when utilizing QGIS's Python Init function

Based on the answer to Referencing Qt UIs external to plugin with python. I'm trying to utilize the "Layer Properties / Fields / Python Init function" to execute a file (test_file.py) that is located ...
21
votes
6answers
6k views

Should GDAL be set to produce GeoTIFF files with compression? Which algorithm should be used?

I have a folder of GIS data that consists mainly of GeoTIFF files. The whole set weighs in at about 1.2 GB. I noticed that if I pack the contents into a tarball, it smashes down to about 82 MB. I ...
1
vote
1answer
26 views

ArcGIS API for JavaScript RouteParameters vs REST API

I have the network analysis service and I need to get the route between two points, but I don't want the single path polyline, but rather set of paths representing the edges it travels though (pretty ...
0
votes
1answer
19 views

ArcGis for Android Beginner

I have the following activity called activity_esri_map: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" ...
0
votes
1answer
23 views

ArcGIS Server account is a local user, does it exist outside the local machine?

I'm working with an ArcGIS Server that was configured as a local account (as opposed to a domain user). I am attempting to register a non-local (on the shared drive) data source with the server and ...
1
vote
0answers
20 views

latitude longitude into corresponding location in a image

I have an image , some data on this image, some data on the camera that took that image and a piece of code. And i'm trying to find the location (Px,Py) in the image from (lat,lon). my problem is ...
1
vote
0answers
17 views

How can I get a remote village transportation network from openstreetmap?

How can I get such a remote village transportation network from openstreetmap? nodes represent remote villages links represents public transportation tools, like buses Something like that: It ...
2
votes
1answer
166 views

mapserver ESRI personal geodabase.mdb

I´m trying to read ESRI personal geodabase.mdb through OGR.I have my driver "PGeo" but when I write ogrinfo INFLOR090812.mdb I have this bug ERROR 1: Unable to initialize ODBC connection to DSN ...
1
vote
1answer
51 views

How to access feature layer properties in an array in arcgis javascript

I can't seem to access my feature layer properties in an array. I am adding my feature layers to an array as such: dojo.forEach(globals.layers, function (addit, i) { ...
0
votes
1answer
372 views

Add Jquery UI Dialog Box to OpenLayers 3 overlay

Hi I'm trying to create a custom popup overlay using Openlayers 3 and Jquery UI dialog boxes. (I want use the dialog box as a popup window). I'm a bit stuck though as my Jquery coding isn't good. I ...
0
votes
1answer
12 views

Reading a EPSG:4326 WMS layer into a Web-Mercator OpenLayers 3 map

I'm a bit stumped trying to read a EPSG:4326 WMS into a OpenLayers 3 project that's using the default 3857 (Web Mercator) projection. I'm trying to pull a WMS layer that only supports EPSG:4326, but ...
1
vote
1answer
25 views

Distance to object, taking into account size of object

I have a number of polygon features on the edge of a lake feature. I also have sample points throughout the lake feature. I am looking to add some sort of indicator for these points as to how ...
2
votes
1answer
1k views

Getting capabilities from tomcat's Geoserver fails

I want to take capabilities from tomcat's geoserver, using this code: wms = new OpenLayers.Format.WMSCapabilities(); OpenLayers.Request.GET({ ...
0
votes
1answer
9 views

Calculate print extent in arcgis from screen extent?

I am printing with preserveScale set to false as I need the extent on paper to match what is displayed on screen as closely as possible. Unfortunately the print server does need to fill the paper and ...
1
vote
1answer
22 views

I can't understand this ewkb type mask

I have the following ewkb strings from PostGIS: 01 01000020 E6100000 AECB9307F9D81240 0F2ADCE003704940 01 01000020 E6100000 7EAA0A0DC4920DC0 5AF0A2AF201F4440 I've been able to understand every data ...
3
votes
2answers
127 views

Automate testing of web app based on ArcGIS JS API

So, there are multiple products that can let you automate testing interaction with web pages. I have used Selenium IDE for some time now and it works great for creating unit tests for HTML elements on ...
2
votes
1answer
1k views

Problem with WFS-T save strategy in Openlayers

In my web map application, I have added the editable wfs vector layer for feature editing. But in save strategy method, Insert and Update Geometry is working fine.But Update Attributes is not saved in ...
7
votes
2answers
578 views

Do I need ArcGIS for server to edit my MS SQL Server database?

Here is what I have: ArcGIS Desktop Advanced (10.2) & MS SQL Server 2008 R2 Here is my problem: I need to be able to connect to the ms sql server and import, export, create, and edit spatial ...
2
votes
1answer
34 views

Making Python Add-In using tools built in ModelBuilder?

I have made a set of tools in a toolbox using ArcGIS 10.2 using the model builder. I would like to distribute them as a tool bar, and so created a ArcGIS Python Add-In I was hoping that I could ...
-2
votes
1answer
25 views

VB Script - If Then Statement [on hold]

Code isn't working.. suggestions? Dim DevStat as string IF [LandVal1] > 0 and [BUILDVAL1] = 0 then DevStat = "Undeveloped" ElseIF [BUILDVAL1] > 0 and [LandVal1] = 0 then DevStat = ...
1
vote
0answers
27 views

RGB satellite image in Python with Basemap

Can anyone recommend a workflow or python library that will let me work with RGB images and BaseMap (or something equivalent - could be CartoPy). I have Landsat 8 images, and can load one in python ...
1
vote
2answers
55 views

How to properly get the slope from an ASTER DEM in QGIS?

I have inserter a raster dem layer from ASTER satellite and I want to get a raster that has the slope of the area. I use terrain analysis > slope but the output is so wrong. Why is that? here is the ...
2
votes
0answers
7 views

Segmentation fault in SAGA GIS

When I try to launch SAGA GIS I get this error: "segmentation fault (core dumped)" How can I solve this problem? I am using Lubuntu 14.04 64-bit.
0
votes
0answers
28 views

Displaying symbology outside map canvas window extent?

Say we have equally distributed x,y mesh vector file. Each coordinate has a map-unit based diameter circle symbology. If we zoom into a region of the map canvas far enough, some centroids exist ...
0
votes
1answer
358 views

Can't launch GRASS GIS 6.4.3 GUI on windows 8.1

As title, I downloaded GRASS GIS from this website: GRASS GIS - Home, and I choose winGRASS 6.4.3 standalone installer to download. After I installed, I click on its icon: I can't launch it even ...
4
votes
1answer
23 views

Dump a GeoJSON FeatureCollection from Spatialite query with Python

Given a Spatialite database, holding a table with a geometry column and some other attribute columns. I want to query that table in a Python script and get a GeoJSON FeatureCollection string in return ...
1
vote
0answers
20 views

Keyboard shortcut for “delete” object in print composition?

Is it possible to have/add a shortcut from the keyboard to "delete" an object in print composition? I use to add objects from models then I have to print and delete them to add obects from another ...
9
votes
2answers
877 views

How do you explain that band width and relative spectral response of MODIS band do not match?

To define relative spectral response, I referred to EFFECT OF RELATIVE SPECTRAL RESPONSE ON MULTI-SPECTRAL MEASUREMENTS AND NDVI FROM DIFFERENT REMOTE SENSING SYSTEMS by David James Fleming, 2006. ...

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