نتائج البحث

Call for papers: AAG 2016. San Francisco. 29th March – 2nd April Urban Analytics A deluge of new data created by people and machines is changing the way that we understand, organise and model urban spaces. New analytics are required to make sense of these data and to usefully apply findings...

Summary: The recovery of southern sea otters appears to have taken an upturn, according to results from the annual California sea otter survey released by the U.S. Geological Survey today Contact Information: Tim Tinker ( Phone: 831-254-9748 ); Paul...

Introduction by Kathleen L. Fenton David Doyle is a public servant’s public servant. I’ve known Dave for 24 years and if you have a “federal agency” question, Dave will either know the answer or the person to call to help you. He has mentored many of us at EPA about the intricacies of community...

Summary: Scientists at the U.S. Geological Survey Hawaiian Volcano Observatory have elevated the Volcano Alert Level for Mauna Loa from NORMAL to ADVISORY Contact Information: Janet Babb ( Phone: 808-967-8844 ); HAWAI‘I ISLAND, Hawaii — Scientists at...

According to the annual ranking by the Global Green Economy Index (GGEI) Vancouver is the world's fourth greenest city.* The most recent GGEI analysis covers 60 countries and 70 cities. It tracks how investors rank the appeal of cities and countries as markets for green investment and it...

I have close to 1000 PNG files that I want to make Picture Marker Symbols stored in a .style file. I am very familiar with Microsoft Access, Python and ArcGIS and I know some C# and .NET. When I look at the symbols in the .style with Access, they are stored as a Long binary data. Does...

So I have this .gif file that has values from 0-255 but not entirely grayscale. I tried the r.report and it does not work. I also tried the raster calculator like: "myraster@1"= 1 (because I want to count how many pixels have the value 1) then I get a completely wrong output with nonsense...

سلام به عز أكثر...

Starting from an origin-destination dataset for a given country, where the origins are city (points) and the destination are ports (points), how can I identify the area of influence for each particular port? Is there a tool in arcmap or qgis which can automate the creation of the polygons for...

I'm wondering how to geocode addresses in R Studio ? Is there a link to Google Developers API ? أكثر...

I need to clip my raster based on a polygonal shapefile, hence I use: gdalwarp -cutline border200millas_polygon.shp -crop_to_cutline chl.2015.04.01_2015.04.08.aqua-color.tiff out.tiffThis should do the trick, but it doesn't. As result I get a black raster. After checking and comparing output...

What could be the easy way to create a DEM from a topographical map? i intend to finish a project but i have stack on the elevation values given the vast coverage of the area i can not finish surveying it all in time. أكثر...

The mouse right-click option has stopped working with ArcGIS10. It happened suddenly - the mouse is ok (not broken) as it works with other programs. Do you know what happened and how to fix it? The right-click option is useful for editing as you can just right-click select from the drop down...

الانتشار المكاني لظاهرة السكن العشوائي في المدينة المنورة دراسة في جغرافية المدن للدكتوره دلال دخيل السهيلي محاضرة الجغرافيا بكلية الاداب جامعة الملك... أكثر...

I work at a county government and was at one of our municipalities recently.I was planning to show them how to consume our cached tile service from our most recent flyover that I have hosted on AGOL. I brought up AGOL from the ArcMap menu and searched for the relative tags. It showed my service...

Lately i've been working on a script that must calculate a value in ArcGIS field calculator based on all vertex coordinates of a polyline. But i am struggling to create a list of a polylines coordinates whitin the field calculator. The list is not meant to fill the field values, but it make...

I am looking to host lidar data on my own server and give clients the ability to view that data through a web browser as a 3D point cloud (file would be in .las format or equivalent), possibly with the ability to measure features. Does anyone know of an easy to implement piece of software that...

I have a shapefile containing around a hundred points (lat/longs). And, I have a shapefile that contains a polyline representing a river. The river is somewhat horizontal (runs east to west) but meanders quite a bit. I am trying to compute how far a point lies to the north or south of the river...

I am working with Arcgis 10.3 and currently this problem keeps me awake at night. I import a csv file into ARCGIS with XY-coordinates and the Age of a person. I create a feature class which i later join with a layer file containing county boundaries. What i would like to know is how many Persons...

I need help because I can not find the solution to the following problem: I installed gisapp (Extended Qgis Web Client https://github.com/uprel/gisapp) but I can not in any way to view the projects, (I tried it with my projects and also with helloworld.qgs) My system is Ubuntu 14.04 LTS, I...