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I have 2 sets of LINESTRINGS, each set containing around 50 LINESTRINGS(which form a road), how do I check whether these two sets overlap or not ? Thanks in advance. أكثر...

I am using national accident data in QGIS and quite frankly the dataset is huge as it contains every recorded accident between 2005 and 2014. I've split datasets by field for a number of vector layers. The issue i'm having is splitting the accident data by year as the date is contained as a...

2015-09-16 11:42:56 | De ontdekking van de filosoof Descartes over het wezen van de mens is:”Ik denk dus ik ben” أكثر...

Google has released Street View for Samburu National Reserve and Lewa Wildlife Conservancy in Kenya. Read more about it on Google’s Lat Long Blog. Be sure to watch the YouTube video as it shows the Street View camera being put on a vehicle as well as mentioning their use of network links in...

I'm a new QGIS user and am having trouble adding tif files from OS VectorMap DDistrict. I get them on to the map but they always appear in the bottom left hand corner, which I would guess indicates a CRS discrepancy. However, I have adjusted this so all layers are using OSGB 1936/BNG EPSG:27700...

I'm attempting to use the r.walk command through QGIS 2.10 (Pisa), and am fairly unfamiliar with GRASS tools. It appears other people have had the same issue:Raster map in different zone () than region () How to get the direction raster from r.walk or r.cost However, while the answers to...

Can ArcGIS API for JavaScript somehow show PolyLine as Bezier Curve? If yes, how to do it? أكثر...

I was trying to test the data management commends in python, yet ArcGIS 10.2 crashes every time I I try to open to python window.According this post, it is the python version issue. I do have other versions of python installed, yet due to other needs. I use Anaconda for all my python...

I have georeferenced some image TIF files in ArcGIS 9.3. Update Georeferencing creates a *.TFWX file. Renaming to *TFW file does not place the image in the correct spatial location for software packages outside ArcGIS. Is their a tool? converter? or method that will allow me to extract the...

يقدم المرجع بيانات ومعلومات معمارية مهمة عن تنضيم عمليات التصميم والتخطيط لمشاريع المباني المختلفة و يشمل العديد من أنواع الأبنية (مِنْ المطاراتِ إلى حدائقِ الحيوانات).... يَغطّي متطلباتَ المستعملِ.... يحتوى على المعايير الاساسية للتصميمِ... الأبعاد وإعتبارات الوظيفةِ.... يحتوى على إضافات...

I am working through some analysis in QGIS and need to iterate through a layer of points and buffer each point and then export to a new layer. I want the new layer names to have the values from a field in my attribute table. I have created a GIS friendly text field with no spaces : "GISNAME"...

In QGIS, would it be possible to automatically assign the current map scale to a feature created during an edit session and save it into a field in the attribute table? I have a series of OS maps of different scales set up to allow automatic zooming in and out. Users will digitise features...

I'm developing an IOS application which should run offline and need a feature; I want to be able to calculate distance to a point from the start of a given line geometry. With nearestCoordinateInGeometry method I can get the point which is on the line for a given point. But then I guess should...

I have a large shapefile of 2000 unique census parcels that I converted to a 30-meter raster. The attribute table is a unique parcel ID for each former 'polygons'. I then have a table with 40,000 columns that has 20 years for each of the parcel IDS, and 10 additional attributes, all of them...

I'd like to build a real 3d globe of Pluto using latest images made available from New Horizons.I know how to convert a mercator projection into a "12-gores" projection, suitable to be glued over a globe, but I lack the step to get a mercator projection from a picture of the disk of the planet...

I'm building an application that gets user's position and tracks its changes while driving providing some information stored in shape file. To get the most accurate information from this shape file the application must find the shape (street/road) that the user is currently on. Most of the...

I'm importing some MapInfo tab files into a PostgreSQL database running the following command in FWTools Shell: ogr2ogr -f "PostgreSQL" PG:"dbname='' host='' port='5432' user='' password=''" -lco SCHEMA= -lco PRECISION=NO -nlt GEOMETRY -t_srs EPSG:25832 C:\\file.tabSome of the files run through...

I have a geodatabase with an annotation feature class in it containing 3 subtypes. Now I load the featuredataset to the map with this code: IFeatureClass featClass = (workspace as IFeatureWorkspace).OpenFeatureClass(sNameOfFeatclass);IFeatureLayer fLyr = new FeatureLayer();fLyr.FeatureClass =...

i have an image that rendered from data i have on my DB. i need to convert this image, with Mercator Projection method, to distorted image that when i'll wrap a 3d sphere with it it'll looks realistic. do anyone know what are the formulas i need to use to make the distorted image? P.S. i'm...

2015-09-16 10:01:05 | Het Kabel en Leidingoverleg (KLO) heeft een onderzoek gedaan naar de graafschades aan kabels en leidingen in de periode van 2012 tot en met de eers أكثر...