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I was wondering how I could extract "crown area" of single trees in a forest from a high-resolution image with only 3 band (RGB) in ArcMap. ( No NIR to use NDVI as any threshold). I need a fast easy-to-do way to come up with a shapefile with polygons (made of several pixels depending on size of...

Mobile Mapping & ArcGIS أكثر...

Anda selalu ada problem dengan data yang lari bila overlay? Kurang pasti nak convert data RSO ke GDM? GDM ke RSO? Ada masalah pada data coordinate system Unknown? Jom daftar kursus santai 1 hari ni.. Kursus lebih menekankan pada konsep hands-on. Sila bawa laptop sendiri. Kalau dah siap install...

This is an interesting site dealing with the fusion of lidar and IFSAR data. It is hosted by the USGS, the Forest Service and others. A major component of this project was the development of... Click Title to Continue Reading... أكثر...

الى صلاة الجمعة يارب اصلح احوالنا يارب أكثر...

I have about 150k lat/lon points and I need to get a distance to different POIs around for each lat/lon. I`v make script that make a Overpass QL requests to overpass-turbo.eu (openstreetmap api) but It seems that will take about 250 hours to get all information:) Can somebody suggest a better...

I am looking for a way to draw polygons with a fixed area. I am currently mapping farming options on field parcels. Some areas such as buffer strips run along features like rivers and hedgerows so they have easily mappable fixed lengths but I also need to create a fixed area for the feature...

The 'TopologyException: Input geom 1 is invalid' self-intersection error which arises from invalid polygon geometries has been widely discussed. However, I haven't found a convenient solution on the web that solely relies on R functionality. For instance, I have managed to create a...

I have been working on this script for a while now and even ESRI are being difficult. Essentially I am trying to export a series of datadriven pages. Executing on a single page fine no issue, executing on a few pages no issue. executing on many pages serious drama. Initially i thought it might...

I am trying to build a where clause for a select by attributes operation in ArcGIS. I have a feature class that has a date field that has dates in it. I wish to construct a where clause that selects records from 65 years ago or more. I want this to be generic, where the clause computes the 65...

I am trying to create a map series of approximately 80 sheets, but I need to have 2 sheets per layout page. Basically, I need to know if there is a way to have the pages in the map series go to different data frames inside my map? Any help would be greatly appreciated. أكثر...

برنامج فى التصميم ثلاثى الأبعاد (3D) من إنتاج شركة جوجل متخصص فى الرسم المعمارى الخارجى والداخلى (الديكور)، ويمكنك الإعتماد عليه فقط لإخراج عمل معمارى كامل بجميع المقاسات والمناظير البرنامج و يعد بديلاً متكامل لبرامج الـ 3D الأخرى ولكن به مميزات ينفرد بها ، ومن أهم ما يميز برنامج Sketchup...

السلام عليكم ورحمة الله وبركاته برنامج حجمه صغير صفحته الرسمية Home Page – Download images from google maps, yahoo maps, openstreetmap,... أكثر...

السلام عليكم ورحمة الله وبركاته عموما يمكن تحميل البرنامج من موقعه الرسمي هنا (https://www.google.com/work/mapsearth/products/earthpro.html) ... أكثر...

بسم الله الرحمن الرحيم رغم انها عملية بسيطة بس ساعات بننسي نعملها ازاى الملف دا حط يا سيدى الأرقام وهو يحسبها الطرفين فى الوسطين... أكثر...

I'm trying to dissolve polygon features from different layers by their FID. If two polygons have the same FID the result should be one single polygon. Maybe this drawing will help to make clear what I'm trying to get: Here's how I was going to proceed:First I performed a Union of the two layers...

I've not found a way to label features using shrink to fit label in polygon, i've tried Qgis, and searched on Geoserver, Mapserver and Mapnik, none of them supports this feature, i'm looking for any FOSS that could label features with that option. أكثر...

Is there any way to attach a graph to every point in a feature class? When I click to identify a point in my map I want it to show me the caracteristics from attribute table (as it actually shows) and a graph, unique of every point. These graphs are done in Excel. أكثر...

i'm just try openlayers3 and i want to show GeoJSON from geoserver,i try this code var vectorSource = new ol.source.Vector({ format: new ol.format.GeoJSON(), url: function(extent, resolution, projection) { return 'http://localhost:8080/geoserver/GIS/ows?service=WFS&'+...

I'm using org.geotools.process.raster.AddCoveragesProcess class, to add two raster's with same resolution and buonding box. I get the following exception "java.lang.IllegalArgumentException: Range [- أكثر...