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1500 questions
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7 answers

How to download the entire ASTER GDEMv2 dataset?

In October 2011, NASA released the new ASTER GDEM global dataset (30m) and I have been wanting to get my hands on it. The only problem is that it takes forever to download and I do not feel like drawing tiny little boxes for the entire world. Is…
Ragi Yaser Burhum
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3 answers

Exporting table to XYZ ASCII file via ArcPy?

I'm looking for a way to export an ArcGIS table (created with the Sample tool) to a text file via ArcPy. I can do this in ArcGIS via the context menu by right-clicking the table, but have not found a way to script this.
Toni
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4 answers

Recommend topics to be included in a Computer Science for Geospatial Technologies course

I will be instructing a course at the local university titled Computer Science for Geospatial Technologies. This is an introductory course meant to introduce computer science concepts to geospatial technologies students (GIS & Remote Sensing). In…
Brian
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24
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4 answers

Seeking Python Lib for requesting WMS/WFS and saving as image/PDF

i am wondering whether there's Python open-source GIS lib which has APIs to support call WMS/WFS from another GIS server (e.g., GeoServer) and then save the response data(WMS Basemap and WFS layer) as pictures. any recommendations? what I am trying…
Simon
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24
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7 answers

How do I get the coordinates of a click on vector feature/layer in OpenLayers2?

I need to get the coordinate of the click when the user clicks on a vector feature on the OpenLayers map. The SelectControl only gives the feature that was clicked and not the coordinates of the click. Anyway to get at the coordinates of the click…
Vish
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24
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6 answers

What is future of Silverlight with ArcGIS Platform?

At the September 2011 Build Conference, Microsoft said a lot about Windows 8 and the Future of JavaScript over Silverlight. No Plugins wanted!! JavaScript with html5 ftw! What is the future of Silverlight with the ArcGIS Platform (ArcGIS for Server,…
Gero
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24
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5 answers

Installing GDAL on MacOSX?

Does anybody know what's the easiest way to install GDAL 2.0 on a MacOSX? The usual suspects kingchaos binary distribution and homebrew seem to be stuck on GDAL 1.11 I need support for TopoJSON feature properties that seem to have been included in…
tato
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24
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7 answers

Import error: no module named _gdal_array

I am using python 2.7 and have gdal installed. I want to read an entire .jpg image at once and so I used statement import gdal from gdalconst import * driver = gdal.GetDriverByName('JPEG') driver.Register() dataset = gdal.Open('1.jpg',…
rach
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24
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5 answers

Given a terrain, how to draw the stream flow path?

Assuming I have a terrain, as usual the terrain has ridges, creeks and all the characteristics that you can find on a real life map. Water flows from the top of the mountain into lower area, the path that water flows is termed stream flow path. The…
Graviton
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4 answers

Which projection is best for mapping the contiguous United States?

If I wanted to project latitude & longitude data for the contiguous United States (the United States excluding Alaska and Hawaii), which projection would I use? I prefer more accurate distances followed by shapes
DenaliHardtail
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24
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6 answers

Importing SVG symbols into QGIS

I've downloaded the SVG icon pack from https://www.mapbox.com/maki/ Using the Import from URL has never worked for me, so how do I import these symbols into QGIS? As far as I can tell I need an .XML defining each symbol.
Tristan Forward
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24
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6 answers

Moving vectors to specified coordinates in QGIS?

I have a layer of vectors located around, say, (100, 100), and I want to move them to new coordinate like (1000, 1000). How should I do it using QGIS?
ChanDon
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24
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1 answer

Can PostGIS and QGIS provide dependable multi-user editing?

After considering a few options, I'm trying to give my 15-20 QGIS 2.2 users the ability to concurrently view/edit one or two basic point PostGIS layers, largest one has just 16,000 records. I've installed PostgreSQL 9.1 / PostGIS 2.0 and basic…
mike
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4 answers

Importing SVG into GIS?

I have a PDF file, with a Map as a vector graphic. I want to get this into GIS. (I use ESRI's ArcGIS, but any FOSS solution is also fine). I know that it is not possible to directly get the PDF into ArcGIS, so I was just testing various scenarios,…
Devdatta Tengshe
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24
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4 answers

Running Python scripts (with parameters) within another Python script with ArcPy?

A common coding pattern used in AML was to run an AML (with parameters) inside another AML. An application that I'm currently developing would benefit from being able to run a Python script (with parameters) within another Python script. However,…
PolyGeo
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