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My problem is feature, that i add po layer not save, below response for query: {ss}user_layer is read-only I try to fix this, add to table PRIMARY KEY, but this don't help me. I used ol3, version 3.9.0. PostGreSQL 9.4.4. GeoServer 2.7. What this problem mean and how fix this?May be I need...

We write frequently in this blog about educating students and professional development for educators. *But, could the general public also benefit from GIS education? *I contend that not only can the general public benefit, but it is part of our responsibility as GIS professionals to seek out...

Want to quickly ramp up to speed with applying spatial thinking with Geographic Information Systems (GIS) to education? *Join me in the Online Learning Consortium for an asynchronous 7-day short course through the Online Learning Consortium beginning 2 October 2015. *Read more about the course...

I am working on a project that involves mapping journeys, and I am wondering whether there is a way to indicate the direction of the journey on a line in CartoDB. For example, could the direction of the line be indicated with an arrow on the line, or with a color change along the line...

I'd like to know the way to add a "token" (draggable & deletable image) to a mapbox project. My goal is to create a wargame that can be played over the maps, at different zooming levels, and so each token (military unit)should have fix dimensions, in order to became smaller when zooming out. I...

This works perfectly fine with an Oracle TABLE but not with a VIEW. Why? uri = QgsDataSourceURI()uri.setConnection(host, port, db, username, pw)uri.setWkbType(QGis.WKBPolygon)uri.setDataSource(schema, table, geomcol)vlayer = QgsVectorLayer(uri.uri(), table, 'oracle')print vlayer.isValid()..and...

To add styling to Openlayers there seems to be different rules for different shapes. I am trying to understand when to use what, but it is rather confusing and I am only able to do it with the help of examples. For example, I have a few points generated on my map. I generated these points...

I'm embarking on my first WMS map tilecache server I've seen some great speeds from Amazon hosting, across 4 different domains tilecache1.domain.com (tilecache1-4) I like this due to it being a CDN solution to server local content (users are international) However, price is a sticking point...

I want to make my own map server However, I need to find the right style The OSM style is pretty ugly, I really like the Skobbler maps http://maps.skobbler.com/ or Mapbox streets I basically want to copy these designs and have my maps look the same Are these styles publically available...

This has been a big week for Mars with the new NASA discovery of flowing water on the red planet, and the release of a blockbuster movie “The Martian” based on the New York Times best seller of the same name by Andy Weir and starring Matt Damon. An excellent book by the way! So, […] The post...

Is it possible to adjust tabel headers of Geojson files in ArcGIS? If yes, which max length has a row header? In QGIS there is no possibility to edit a geojson table. أكثر...

I am working in a viewer with suite sdk gxp and I can see my layers, but some of them in the viewer are located wrong. I have checked postgis and geoserver and every layer is ok with the same EPSG, 4326. Any idea about this?Thank you أكثر...

I use a 'R' script for downloading MODIS imageries. However, it doesn't give MOD16 product. I could neither find the MOD16 product in earthexplorer website. Though the desired product is available at http://www.ntsg.umt.edu/project/mod16#data-product but I could not find any script to download...

I use osm map in my project and I want to draw shortest line between two point like this: How do they draw this path? Give me please a clue ) أكثر...

"إذا كان مهندساً فلا تترددي في الزواج منه" قالت "ديبورا ستاتشيلسكى" الكاتبة الأمريكية ومؤسسة موقع "societyletters" الاجتماعى أن الرجل الذى يعمل فى الهندسة هو شريك حياة مثالى، وتدعم رأيها بعشرة أسباب: 1- يميل للنظام المهندس يحترم النظام ويحب أن يكون كل شىء واضحا وسهل الوصول إليه بدءًا من الأغراض...

The Brandenburg Gate in Berlin was constructed as a symbol of peace in the late 18th century. However, historic events transpired which brought its image and survival into jeopardy. Napoleon once... Click Title to Continue Reading... أكثر...

I want to make Geoserver Restful web service. For example add layer or delete,update etc. Is there anyone who can help to RESTful service project ? أكثر...

New Qgis user here :-) I have a layer with a table containing several columns. If I right click on the layer --> Save as.. --> CSV and chose to only include my selection I get a nice CSV file with all columns for the selected objects. However, I only want the data from one specific column to...

I want to create a new parcel in a parcel fabric. I have the x, y coordinates for the parcels to be created. I searched around a lot and found really nothing that actually "CREATES" a parcel. Here is what I have tried so far. IPointCollection pts = feat.ShapeCopy as IPointCollection; //an...

I dont know where i am making mistake. And my url is returning the all values of feature layer queryRequest: function (layer) { if(layer!= null || layer!= undefined){ var center = this.draw.getGeometry().getCenter(); var radius = this.formatRadius(); var...