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i installed the QGIS WEB Client from github and with shp files it works very well. But now i want to add a layer from a database. In the qgis desktop the layer is shown but in the qgis web client it doesn't. أكثر...

I have a couple of python installations on my windows 7 machine. I have the one that was installed by ArcGIS, in a folder called "ArcGISx6410.2", and another I recently installed myself directly from the python website, I've put that in a folder called "DirectDownload". The one installed by...

Im studying for a MSc GIS at Birkbeck Uni. I had to defer my dissertation for the a year and now the time has come for me to deliver. I'm trying to get some ideas/topics for my dissertation. My background is in Highways/Civil Engineering (CAD). The past company I worked for I had access to a lot...

I have polygon dataset containing quite a complicated coastline. How can I produce an outline of that coastline? Please see the image: my dataset is in green and the coastline I need to get is in red. Thanks in advance. أكثر...

I have a geojson layer in my OL3 app which I want to redraw every 5 seconds (to show movement on map) . How do I do it ? Couldn't find the equivalent of Layer.redraw(). أكثر...

Mapillary in partnership with Esri will help governments and businesses see their cities evolve in real time through ArcGIS platform integration. Unlike other mapping services which could take months for images to be processed, photos are available minutes after uploading and are connected to...

يهتم علم ميكانيكا التربة بالسلوك الهندسي لمواد التربة، وتشمل التحريات عن المواد وأحوال التربة والصخور تحت سطح الأرض وتقدير المخاطر التي يمكن أن تسببها شروط الموقع والتصميم الإنشائي على الأساسات والمراقبة الدائمة لشروط مواقع الإنشاء، وكذلك تنفيذ الأعمال الترابية والأساسات. يبدأ أيّ مشروع عادة...

This guide is like your compass - these 33 mapping tips will guide you in the right direction and show you how to create stunning cartographic maps. The post 33 Items to Include in Your Maps: How to Create Cartographic Maps appeared first on GIS Geography. أكثر...

I'm new in GIS. I saw in ArcGIS 10.3.1 function that was showing data about a selected point or limit in a table. It works, thanks to extension written in Python. I would like to know if that extension can do the same in ArcGIS 10.2 through ''Select by location option'', or if I have to rewrite...

I am working with MapProxy and I'm trying to determine the zoom level that I should use based on the area of the a rectangle (the MBR of a polygon). How can I do something like that? أكثر...

I retrieve wcs-dem. curl --trace -i -H "Content-Type: application/image" -XGET "http://127.0.1.1/cgi-bin/mapserv?map=wcs1.map&SERVICE=wcs&VERSION=1.0.0&REQUEST=GetCoverage&coverage=dem&CRS=EPSG:4326&BBOX=35.670381,35.813051,44.81901235734796,42.106463&WIDTH=1600&HEIGHT=1066&FORMAT=GTiff" >...

I make a program allow user insert , update , delete features .But , after setfeatures attributes with utf-8 character and save it using new OpenLayers.Strategy.Save() Sql server tell me something like this <blockquote> Before insert string : " أكثر...

I'd like to implement routing on my map using OSRM and Openlayers 3 but there don't seem to be any examples or tutorials anywhere. Everyone seems to be utilising Leaflet for this as there is a plugin available. I understand that I would need to add a layer to hold the geometry and then make a...

I have a big tif file.I want To use this image file as tiled image in mapserver, how canI create tiled images? regards أكثر...

How to calculate the corner coordinates (bounding box) of a static Google Map image, fetched with e.g. http://maps.googleapis.com/maps/api/staticmap?center=40.714728,-73.998672&zoom=12&size=400x400&sensor=false ? أكثر...

الانسان الالماني بطبعه اشتراكي في ظل الارتفاع المجنون لاسعار المحروقات وبالتالي اسعار تذاكر المواصلات التي تصل الى 300 يورو لمسافة لا تتعدي 400... أكثر...

زمان وانا فى الابتدائية وكل المرحلة الاعدادية كنت بروح مع أبويا كل الأفراح لأنه كان مأذون منطقة طويلة عريضة بتبتدي من مدينة الحمام لغاية راس الحكمة... أكثر...

السلام عليكم ورحمة الله وبركاته صورة: http://www.arabgeographers.net/up/uploads/14452420811.jpg (http://www.arabgeographers.net/up/) أكثر...

السلام عليكم ورحمة الله وبركاته صورة: https://i.imgflip.com/srqv2.gif (https://imgflip.com/gif/srqv2)via Imgflip GIF Maker... أكثر...

Bonjour, Je recherche un style de polyligne me permettant de visualiser facilement l'emprise de polylignes adjacentes mises bout-à-bout (tronçons de cours d'eau). Une ligne avec deux traits verticaux à chaque extrémité serait par exemple parfait ! Merci d'avance de vos tuyaux ! أكثر...