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Anybody knows websites of land use for the Federal Republic of Nigeria? Free or paid. I am looking for the states of Kogi and Anambra. أكثر...

نتعرّف جميعا على معنى التيارات المحيطية والتيارات البحرية والقوى المختلفة التي تؤثر على توجّه حركاتها المستمرّة عبر أرجاء الكرة الأرضية حتى يتسنى لنامعرفة الدورة المحيطية. الشريط الأول الشريط الثاني الشريط الثالث الشريط الرابع الشريط الخامس أكثر...

This question already has an answer here: What is most accurate coordinate system for calculating areas of polygons? 1 answer I want to calculate the area of counties (1st admin level) in Kenya in...

I want to install h5py and I insert the following statement but gives error on "install":pip install h5py-2.5.0-cp27-none-win_amd64.whl Thanks أكثر...

folks I'm fairly new to using R for spatial work so bear with me. I have found questions similar to this but nothing that answers this question specifically enough for me to implement it. I have point data in a spatialPointDataFrame and polygon data in a SpatialPolygons class. I am trying to...

This is a sample of a new GIS Training Video course online called Excel Data to GIS Feature Class offered by GeoMattix. أكثر...

I am very new at using python for geoprocessing I have a buffer layer 1 with a distance of 5 from each point I have a buffer layer 2 with a distance of 1 away from each polyline How do I show all the areas that are outside the buffer of layer 1 but within the buffer of layer 2 using...

I need to create a Python code for validating domains compared to another set of domains. The initial premise here is taking Collector data, downloading the attributes, and comparing certain domains against a set of parameters. This is based off of an educational geology project where students...

While making slippy map tile sets from a QGIS (2.10.1) project running on Vista 32, I've noticed some reduced image quality from QTiles 1.5.0 and QMetaTiles 1.0, versus the output from a rendered print composer (and subsequent fairly intricate workflow to end up with tiles). In all cases, I'm...

I want to add a button to my leaflet that zooms to the position of the user. i cant figure out the right way. This is what i tried: L.easyButton('', function(btn, map){ map.locate({setView: true, maxZoom: 18}); }).addTo(map); var Test = L.popup().setContent("Your Location"); this...

I would like to do adjacency tests on a parcel (polygons) layer and merge them if they fit certain criteria (could be size). Per the picture below, I would like to merge polygons 1,2,3 and 4, but not 5. I have two problems: ST_TOUCHES returns TRUE if just the corners touch and not a...

I have a hand-digitized coverage stored in postgis. There, I have a few shiver-polygons I would like to get rid of by including them into one of the neighbouring polygons. are there any commands that can be used to do that? Something like update coverage set the_geom=st_union(...) ...

The legend is only displaying but not the layer. NOTE: I am trying to run the web map on a bootstrap modal, hence you will see: $('#webmap-modal').on('shown.bs.modal', function() in the code I am posting. I don't know what's going on. I could also zip the files and send a download link if it...

I am running ArcGIS 10.2 Desktop Several different models I have built and tested successfully previously are demonstrating the same problem. They appear to execute slightly to the South of the indented location. All the tools work by taking several shapefiles, converting them to rasters as...

Agisoft PhotoScan Professional v1.2.0 Build 2198 (Win/Mac) | 42.5 MB | 49.5 MB | 73.06 MB Agisoft PhotoScan Professional 1.2.0 Build 2198 (Win/Mac) | 42.5 MB | 49.5 MB | 73.06 MB Features of Professional Edition: - Processing of various types of imagery: aerial (nadir, oblique) / close-range...

In select statement how to avoid divide by zero in mapBasicselect (col1/col2) "result" .... how to avoid 0/0. If col2 is 0 it returns null. How to use ISNULL or something in mapbasic? أكثر...

I'm currently learning to use PostgreSQL and PostGIS. I would like to know how to write the SQL that would allow me to select 200 random points within a radius of 500m from a user defined centre point. Currently I have the database containing all my records, with an individual row for ID...

How to create Concentric (hollow) Polygons in*Mapinfo أكثر...

I seemed to have spent the first 25 years running away from family and now I’m spending more time than I care to admit running back toward them. This was the first Thanksgiving that I didn’t have the urge to strangle anyone in a long time. I could tell you stories of the last 5 years of bad...

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