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Using gis and spatial statistics to analyze the chernobyl consequences أكثر...

This video shows you how to split and merge parcels within esri’s parcel fabric for ArcGIS 10.2. أكثر...

I am new to ArcGIS and I am trying to create an Add-In button which can figure out which polygons are selected and query the selected polygons to generate a report on the underlying metadata (similar to the Identify tool). I had a look at this article, which helped with finding the selected...

How do I know if the DEM contains z-values? I am looking at the DEM's layer properties and it does not mention the z values. I then add it to ArcScene and tried to find it without success. It only shows the x,y values. أكثر...

I'm trying to save a raster after calculation in numpy array. Here is what I wrote: rasterSM = arcpy.NumPyArrayToRaster(SM, lowerLeft, cellSize, value_to_nodata=nodata)rasterSM2 = arcpy.DefineProjection_management(rasterSM, spatial_ref)rasterSM2.save(SMOutputName)But the error message says...

Re: Loading Shape File From Memory/Stream Hi, It should be possible to do this but there are a few things that need to be checked. Firstly the library uses memory mapped files internally, so I am not sure what the effect will be if a shapefile is opened from a stream. There is an option to...

I am trying to render a number of related QgsRasterLayer objects that are related to eachother (they are slippy-type tiles). Ideally I would like one item in the legend that can have its position changed (i.e. move above or below other legend items) and add custom actions/properties dialog to...

Nearly all fresh water at Earth’s highest northern latitudes is frozen. But just a short distance to the south, the landscape comes alive each year after the spring thaw. أكثر...

I need to digitize a bunch of islands from imagery in QGIS. It is the Bing Maps aerial imagery layer. I will obtain all required permissions. My plan is to lock the map scale at 1:25,000 and use heads up digitizing. If it matters I am on the equator. Assume I do the best job I can do...

I need to clip a vector file based on certain values of a raster (Slope > 2%). I can´t find a direct way to do it. Trying to vectorize the raster first didn´t work. Is there an ArcGIS tool I could use that I haven´t found yet? أكثر...

I'm trying to figure out how to set my output extent before creating Thiessen Polygons in a loop of ~100 points shapefile. (ArcMap 10.0 - Python) for i in range(3,51,1): arcpy.CreateThiessenPolygons_analysis("AVF%i" % i,"AVF%iVoronoi" % i,"ONLY_FID")Basically I want my extent to be the same...

Is it possible for us to give each output of a process a unique name segment (inline name). So for example I have a process that dissolves, then eliminates and buffers a single input file. I need to save the itermediate steps into a gdb. So we have...

ESA astronaut Tim Peake wishes Earth a happy new year from the International Space Station. Tim is spending six months in space to maintain the Space Station and run experiments for scientists on Earth. His Principia mission will see him perform over 30 experiments for European scientists alone...

Introduction to common methods for creating/collecting geodata أكثر...

نقدم لكم إخواني أخواتي ومتتبعي مدونة الجغرافية التطبيقية هذه المجموعة من المواقع التي تقدم لكم معطيات مناخية مهمة حول دول العالم ولمختلف السنوات منذ القدم إلى السنوات الحالية. مواقع تجدون بها معطيات ثمينة لمحطات مختلفة نقدمه لكم كالآتي: tutiempo http://www.tutiempo.net/en/Climate/ knmi...

Radiometric correction in ENVI; أكثر...

I'm developing a GUI theme for QGIS 2.12 using QSS (QSS is very similar to CSS, but for styling Qt widgets). This is new functionality introduced in 2.12 Pisa. So far, results have been encouraging! I want to style the QgsMessageBar. As you can see here, the default message area is tiny, so you...

testing once again, my aplogize أكثر...

testing testing... check... check.... أكثر...

testing purpose أكثر...