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So I'm trying to rasterize a vector layer by using an attribute filed stored as string, I got the confirmation through the GDAL mailinglist serv that gdal_rasterize does not work with string field. So my question is: is there an easy way to create an ID column based on a existing string column...

Just some context first, I have a postgres database with PostGIS extension, running under a GeoDjango wrapper. I have a weird bug that hopefully someone can shed some light on. I'm running a query like this geom = Polygon.from_bbox(bbox)query = Venue.objects.filter(location__within=geom)This...

I'm new to the GIS system and I'm following the pgRouting workshop. I've imported the locations of nodes (points, highway=street_lamp) using osm2pgsql. now I'm calculating a few paths between two points using pgr_ksp (K-Shortest Path) to compute K shortest paths. How can I count how many...

Does anybody know where to download the QGIS toolbar icons? أكثر...

However, additional information about target properties can potentially be recovered if the waveform shape is preserved in the fusion process. Continue reading → Click Title to Continue Reading... أكثر...

GeoBuiz is a two-day conference on Technology Innovation, Business Trends and Directions, Industry Solutions, and Policies and Programs. This conference will be held in Bethesda, Maryland, from 10-11 August 2015. The conference will provide a common platform where leaders from policy making...

Solar storms smacked into Earth’s magnetic field and provoked auroras over the southern and northern hemisphere just after the summer solstice. أكثر...

I looked into using getFlags() for this as described here,Get road type (clazz) in osm2pobut for some reason I'm getting 65551 instead of 15, and 65557 instead of 21. Seems like if I unset the 16th bit, I get the right value (rrs.getFlags() & ~(1

I have a Non Emergency Medical Transportation (NEMT) business and am looking for the best solution that can automate the dispatching process. I looked over DARP and it seems fine. I need to know 2 things:1. Does anyone know if DARP is a good fit for NEMT? NEMT is about transporting patients to...

I have setup a draggable marker on my map with Leaflet API. Its working fine. But the problem is when I am trying to drag it to the border area the map is not moving. I want a panning map with Marker dragging. Please let me also know how can able to control the map panning when dragging the...

By Kacey Fitzpatrick Are you watching the Women’s World Cup this weekend? There may be no commercial breaks but half time is fifteen minutes—the perfect amount of time to refill drinks, get a snack, and catch up on EPA science! Below is*what we are highlighting this week. Research to Support...

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There is lots of information out there on how to do this, unfortunately, it all looks like Greek to me. I need a connection to a DB so I can add and use tables and featureclasses contained within it. I have tried calling import cx_oraclein python win 32 build 218 but I get the response no...

We have an existing oracle gis which is being reworked. We're not really touching the oracle stored procedures or tables. In the table, the sdo_geometry appears to be a 3D line, with 0 as the z value. I'm not entirely sure why it was written this way, I wasn't there when it was written...

Is it possible to integrate line breaks in the "Description" field ? Or is it possible to use the Markdown syntax in the dataset ? My need : I want to display in the info window text in list form ; put some words in bold ... أكثر...

The second part of a tutorial on how to use Leica Photogrammetry Suite (LPS) to create Digital Terrain Models (DTMs) and photomosaics from very low altitude aerial photographs (such as those take from a kite (KAP), blimp (BAP), or MikroKopter (MAP). أكثر...

بسم الله الرحمن الرحيم السلام عليكم ورحمة الله وبركاته مرفق نسخة مصورة من كتاب ((التركيب الاجتماعي للمدينة والجريمة)) التركيب الاجتماعي... أكثر...

I'm trying to make a very simple time-based map using CartoDB. My time data is in its own column of type DATE. The lowest date in the range is 2007-01-01 and the greatest is 2014-01-01, so I set the following line in my CartoCSS: -torque-frame-count:8;My understanding is that the Torque...

I'm new in this forum, and i need some help with my project. I've created a polygon and closed my project, after opening the project again, i can't use the Reshape Feature tool in that specific polygon. But if I create a new polygon in the same shapefile I can use this tool. Do you know what...

I have created a basic layer of districts on a background google streetmap on QGIS. Using the qgis2leaflet plug in, I'm able to render a webpage of the same. I want the web product to be such that when a user clicks on a particular district (layer), it gets highlighted (to show that it is the...