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I have a polygon hydro layer of my study area and am trying to calculate the distance to nearest water bodies from my site. Since my site are 2km*2km grids I am not sure how to calculate it? Whether to calculate from centroids of the grids or convert the layer to raster and somehow calculate...

I would like to know if is there anyway to unselect the selected polygons after i have done field caculation automatically. Of course, i can clear selection manually. if you know the solution, please help. أكثر...

Why the functionality for identifying features across various layers was removed from new versions of QGIS? Is there any workaround? QGIS identify features button issue أكثر...

Does anyone know how to create IDs for multiple features using python? For example Names with IDs Street 01 River 02 Mountain 03 Hill 04 Desired IDs; Street 01 River 01 Mountain 02 River 02 I was hoping to write a code, as I have over 3 thousand points, every three needing the same...

I have a raster with 4 bands. I would like to create a new raster (its individual bands called new_band) from this raster (its individual bands called old_band) in with :new_band1 = old_band1* 2new_band2= old_band2*4new_band3= old_band3*6new_band4 = old_band4*8 import sys, os, math, timeimport...

This is going back to a previous question from a few years ago that I asked and didn't find a solution for. QGIS has advanced a few versions since then - so I'm hoping there is either an updated solution, or someone could provide guidance to develop a script. Advanced warning - I'm a geologist...

Does anyone know if there is a way to move a group of individual cadastral parcels as a block? I do not wish to merge the parcels. أكثر...

I have a set of coordinates in decimal degrees spread across two UTM zones in my Java application that I want to export to use in Petrel, so they need to be in the same UTM zone. Is there a java library out there where I can specify what zone I want to use for the outputdata? tried quite a few...

I'm trying to add a CartoDB basemap to my OpenLayers map but I can't get it to work. Here is the code I use to declare the basemap variable: var carto = new ol.layer.Tile({ source: new ol.source.XYZ({ url:'http://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png', })});Any idea...

The diamonds in millions of wedding rings came from mines in northeastern Botswana. أكثر...

I have 19 shapefiles with all the district borders of a country over 19 years. The goal is to combine these shapefiles into one as following: The districts that remain the same over the years I want them to appear as they are in the final shapefile.From the districts that have changed (combined...

For one of my tasks I need to create a Toolbox with three tools (python scripts). Instead of ordinary tbx I've decided to write it as Python Toolbox (pyt). Everything is clear except the "good" way to organize the code. As I have three tools it is not good way to store them in one file (pyt)...

A quick presentation on how to use Geowise & InstantAtlas. أكثر...

I made a map and put some points on it and I symbolized some points as svg markers from QGis library.Now, when I wanted to display or export the map with the gis2web plugin (openlayers option checked), I couldn't see the points. When I symbolized them as simple markers I saw them on the...

رسالة اقدمها الى روح استاذى الدكتور محمد محمود ابراهيم الديب ..... شكرا لك استاذى الغالى بحث مقدم لنيل درجة الماجستير في الجغرافيا بعنوان ... أكثر...

I have polygons with interpolated data like on the picture on right. Now I want to split this polygon into smaller polygons with predefined similar area. Positions of these smaller polygons must be based on value from interpolated data below. So one smaller polygon should contains area with...

I have a multipatch dataset and a 2d polygon.Which ESRI tool can I use to select only those multipatches whoms x,y are inside the polygon? Basically I want to select all multipatch features that intersect if z is disregarded. أكثر...

I have built a model to interpolate air pollution from 40 recording stations using IDW. The results are then exported to an average for census divisions. I need to repeat this process hundreds of times for every month for 15 years for five different types of air pollution. I have all of...

رسالة اقدمها الى روح استاذى الدكتور محمد محمود ابراهيم الديب ..... شكرا لك استاذى الغالى بحث مقدم لنيل درجة الماجستير في الجغرافيا بعنوان ... أكثر...

It is difficult to convey the immensity and emptiness of the Republic of Kiribati. The country extends across more than 3.5*million square kilometers (1,351,000*sq*mi) of oceanic space, an area considerably larger than India. The distance between its western and eastern islands is comparable to...