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The goal of this post is to explain, based on practical examples from my professional activities, how I use QGIS, its plugin photo2Shape and the processing toolbox, together with geospatial packages of R (e.g. the package ‘leaflet’) to exploit efficiently georeferenced pictures. I’m working...

Calculating distance from points to nearest "eastern" polygon using ArcGIS Desktop? I am using ArcGIS 10, and trying to do the following: I have a layer file of points (industrial facilities), and I would like to calculate the distance from each point to the nearest "eastern" polygon (U.S...

I'm very new to QGIS and Python (although years ago had some programming experience with C++), but have been muddling through with a fairly large project cataloging cemetery plots at the moment. I currently have a custom form used for taking photos and cross referencing existing data, taking a...

I have some difficulties on network analysis,I want to run shortest path algorithm, I don't know how to use ArcGIS to reveal the shortest route between the appointed points on the map, and if it's possible, can I also use this software to record and calculate the number of the real road be...

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I am a bit confused on the topic of geodatabases. Previously, I have used geodatabases as an easy way to keep all files together rather than having dozens of shapefiles all over the place. And it's easier when finally exporting all the relevant stuff to the client. But earlier it got me...

I'm looking for a simple Android app allowing viewing shapefiles offline. Doesn't need to have any editing features, only shp viewer and GPS capabilities. What would be your recomendations for this kind of app? أكثر...

Being relatively inexperienced in GIS, I'm after some help, please. I would like to display contour lines calculated from SRTM data in Google Earth. It doesn't matter whether they are actual linestrings or just an image overlay. In a previous life, I worked with SRTM height files in Matlab, so I...

A GIS SE user found a method in What causes the GPS offset/shift in China? for proving Google Maps uses GCJ-02 over China which compares the coordinates of a Chinese landmark on OpenStreetMap and Google Maps. Take Shanghai's Monument to the People's Heroes. OpenStreetMap displays the WGS84...

I'm using QGIS 2.8 and am trying to take a shape file that has multiple column data and display that as individual shapes. For example...I have a soil test data table that includes pH, P, K, Fe, Zn and so on and I need a simple way to explode that info so I can view each one independently. I...

The transformation of Brazil’s tropical savannas into farmland has made western Bahia into a prime area for soybean production. أكثر...

Nishinoshima has grown to twelve times its original size. أكثر...

I have a piece of code where I am able to find the max value. How can i edit this code to find the second largest, and then the third? I found this code here (https://geonet.esri.com/message/237880#237880). While there is another method that identifies a way to do this, it appears like it would...

How do I save a .mxd programatically? The project is never saved and on button-click, I want to save the project. I use SaveFileDialog to get the filepath and then use the following: IMapDocument mapDocument= ArcMap.Document as IMapDocument;mapDocument.SaveAs(projectPath);This crashes my...

Ellipsoids, survey benchmarks and triangulation - these are the ingredients for geodetic datums. NAD27, NAD83 and WGS84 are common datums in North America. [...] The post Geodetic Datums: NAD 27, NAD 83 and WGS84 appeared first on GIS Geography. أكثر...

The video demonstrates how ESRI’s software can be used in the construction industry. أكثر...

The spatial community is full of amazing people. One of the biggest perks of being a geogeek is getting to share your enthusiasm and crazy love for everything geo with like-minded people. Sometime earlier, I had the opportunity to have an really interesting (and insightful) conversation with...

Speedy Soft Digistudio 9.6.1.189 build 12.11.15 Bilingual | 6 MB Your digital camera can probably generate also small videos. An animalscene, a waterfall, an arrival of railway train, a musical scene can bringnot only life in the static slide show, but also the original sound. Evenvideos on DVD...

I have a network dataset created and I am trying to run a service area analysis for pedestrians/cyclists movements. The network is comprehensive of pedestrian paths, cycle lanes and roads as well, so I added a field (short integer type) with 5 degrees of danger for pedestrians, assuming that...

I am trying to make a hilshade file for all of Colorado but when I download the DEM data for the state there are over 25 files. I have converted them all to hillsahde, but now I want to work with just one file instead of 25 of them. Does anyone know of a way to do this? أكثر...