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    Inverted shading with polygons in QGIS 2.8

    Is there a way to modify the style of a poygon .shp file so that everything except the polygon is rendered as shaded? أكثر...
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    Generate 3D elevation points grid from 3D contour lines!

    I have a shape file with 3D contour lines. I want that based on this information to generate for all this area a 3D grid of points with certain distance from each-other like every 50cm. I use Arcgis Desktop Advanced 10.2.2 أكثر...
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    How to use script tool in python add-in wizard

    I am trying to use a script tool in python add-in wizard to make a toolbar which will have button options. The script tool is working fine in the toolbox and I am using them in arcgis 10.2.2. The script tool I am using doesn't interact with the map. It takes in some input and run some...
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    @nheazlewood traveling in style! Looking good, dude! Get yours...

    @nheazlewood traveling in style! Looking good, dude! Get yours at the #GISTribe apparel shop! أكثر...
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    Japan Medical Device Registration Overview

    Japan is the largest market for medical devices in Asia. Though Japan has less than one-tenth (1/10) the population of China, the Japanese spend more on healthcare. An aging population and high per-capita spending make it an attractive and potentially lucrative market for medical device...
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    ThinkGeo Releases Map Suite 9.0 with Aerial Imagery for the Map Suite World Map Kit O

    Frisco, TX — ThinkGeo has released version 9.0 of Map Suite, its full line of GIS software components for .NET developers. This major milestone refreshes ThinkGeo's Map Suite product line with a wide variety of enhancements. It includes Aerial Imagery for the Map Suite World Map Kit Online...
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    Shared markers/paths in layer groups - toggle issues

    I'm working on a map that displays the trips I've taken. I've created many markers and lines to designate locations and the paths between them. I've created trips using the required markers/paths and added them as layerGroups to a layerControl. The problem is several locations and drive paths...
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    Problem running intersect vector processing with line shp file and polygon shape file

    I have been trying to run intersect on two shp files, one is line, the other is polygon. Although processing appears to take place and a new shp file is created and added, nothing is visible. I have checked their projections which are set the same. أكثر...
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    Location of Index file for geoserver on Openshift

    I've configured an openshift application to run Geoserver with a postgis database. Where in the open shift directory should i place my index.html? أكثر...
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    How to plot certain values of a column in R?

    Lets say we have a shapefile of cities with a column called category cities@data category A B A C A A B CHow can i plot the A category only etc? Tried c
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    Leaflet Temporal animation of marker clusters

    I recently have applied the markercluster leaflet plug-in to my map and I was wondering if something like leaflet.timeline would be compatible with cluster visualization? if not is there any other temporal animation plug in that may work with the marker cluster within leaflet? Thank You...
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    Association shape files to custom data in r

    This is probably an obvious question. I have an Australia Shapefile (can be found here http://www.abs.gov.au/AUSSTATS/abs@.nsf/DetailsPage/1259.0.30.001July%202011?OpenDocument) and some custom data which contains latitudes and longitudes for a number of people. How can I join the shape file...
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    Atmospheric correction using ENVI Flaash

    I want to perform atmospheric correction of both Landsat 7 and Landsat 8 data. I am using ENVI 4.5. What scale factor should I choose for Landsat 7 and Landsat 8? Plese suggest. أكثر...
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    Change display text for hyperlink in attribute field in ArcMap?

    I have an attribute field that I would like to be able to click the title of a document and it would open the document. But I do not want the field to display "C:/path/file1.pdf", I would just like it to say "File 1" and then open the pdf. I understand I can do a dynamic hyperlink through the...
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    Modern SQL in PostgreSQL

    SQL has gone out of fashion lately — partly due to the NoSQL movement, but mostly because SQL is often still used like 20 years ago. As a matter of fact, the SQL standard continued to evolve during the past decades resulting in the current release of 2011. In this session, we will go through ...
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    Unconventional Drilling Activity Down In Pennsylvania

    By Matt Kelso, Manager of Data & Technology Wells Spudded (Drilled) Unconventional oil and gas drilling is well established in Pennsylvania, with over 9,200 drilled wells, an additional 7,200 permitted locations that have not yet been drilled, and 5,300 violations all happening since the turn of...
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    If you think that you're not learning programming fast enough

    kuba-konczyk: Gif credit:*http://loreb4.tumblr.com/post/61572178261/season-1-episode-03-the-naked-now The speed of learning a new skill is very individual thing. If you think that you should learn quicker than you do, you might think that you’re not smart enough or not capable enough. I don’t...
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    Notes from State of the Map 2015

    Last month the United Nations headquarters in New York City hosted the 2015 OpenStreetMap US conference, State of the Map (SOTM). An illustrious setting for a passionate band of people who are collaboratively creating a global repository of geographic data that is free for anyone. Amongst...
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    A way to measure whether two variables have similar spatial distributions?

    I'm doing a project that's looking at a certain disease outbreak and vaccination in California counties using arcmap. I have aggregated data joins for disease outbreak rate, personal belief exemptions, vaccine coverage, and other demographic data (ethnicity, income...). All of the data layers...
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    How to get the upstream average of a raster data layer that falls into a river networ

    I have a raster layer of a network of rivers and a raster layer of data I want to extract. For each pixel of the rivers, I need to know the upstream average of the data layer that falls into the river. Kind of like a mix between Flow Accumulation and Zonal Statistics. I have access to ArcGIS...
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