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Air pollution is a serious issue in most cities across the world, a recent study from China is testament to how serious the issue is. In spite of all the awareness, it is still difficult to get access to air pollution data in the same way we can google for weather data. Quite a lot can change...

I have tried all of below snippets to use Python Parser in Field Calculator and update the values of a field called type based on a filed called MamerMN but in all of them I am getting Syntax error in Geoprocessing result window! if !MamerMN!

The basic search box feature supplied by CartoDB centers the map on the result ... but for a user this may not be intuitive and furthermore, on maps with lots of data (like parcels) it might be unclear exactly where the "center" is. Is there a way to provide some sort of crosshairs, "flash" or...

I have a web scene created and on ArcGIS Online, however, there are a lot of things that the UI shows that I don't need. I am ultimately bringing this into a story map, and I have figured out how to reduce the UI by adding "&ui=min" to the end of the URL when embedding it, but doing so reduces...

الجغرافية المناخية هي إحدى فروع الجغرافية الطبيعية التي تدرس الغلاف الغازي، وعناصر المناخ والطقس، وتأثيرها على الإنسان، والحيوان، والنبات. فالمناخ بعناصره المتمثلة في الإشعاع الشمسي، والحرارة،والضغط الجوي، والرياح، والتبخر ومظاهر التكاثف، وما يحدث من اضطرابات جوية، ومدى تأثير هذه العناصر...

I came across this Map Comparisons where they have used Waze map tiles. I searched around and couldn't find any official documentation for using Waze tiles in OSM. I couldn't even find their privacy policy that concerns with usage of tiles. I'm retrieving tiles from...

I am trying to replace the US- 350 with 350 in the Label Expression but I am stuck how to do that... I am looking at the help here for the function:Function FindLabel ( [LABELFIELD] ) FindLabel = replace([LABELFIELD], ", ", vbnewline) End Function This is what I did this : Function FindLabel...

uri ="C:/Users/rajagopalv/Desktop/poi_sunnyvale.csvdelimiter=%s&xField=%s&yField=%s" % ("|", "x", "y") vlayer = QgsVectorLayer(uri, "address_sunny", "delimitedtext")QgsMapLayerRegistry.instance().addMapLayer(vlayer) This my code as per the http://docs.qgis.org/ but I couldn't get the output...

I'm trying to create a shapefile of the state of zip codes (in this example, I pick Virginia). However, the zip codes do not line up exactly to the state borders. So I run the following query to get a shape file of the zip codes for the given state. SELECT uszips.geoid10, uszips.geom FROM...

This question is an exact duplicate of: The graduated symbology doesn 't take into account the attribute I need in QGIS 1 answer I'm having trouble inQGIS with the symbology. I can classifify and...

This question already has an answer here: Unable to install ECW support on lubuntu 14.04 5 answers I am using Lubuntu 14.10, QGIS 2.6, and Ubuntu GIS(unstable). QGIS was used to use GDAL 1.10, and can...

I m working on a project on QGISI have a point shapefile vector that represents my storeIn the attribute table, i have bunch of data such as size, unit per transaction and most importantly store turnover When i want to graduate the symbology, the turnover isn't present in the list i can choose...

In this presentation,*Dr James Dawos Mamit;*Deputy Minister, Ministry of Natural Resources in*Malaysia talks about the*Geospatial Applications for Natural Resources & Environment Management. Geospatial World Forum 2014, Geneva, Switzerland أكثر...

Boundless is looking forward to seeing everyone at FOSS4G 2015 in Seoul Korea. We would like to thank the organizers for a chance to sponsor this great international community event. Boundless has a large contingent in attendance, you can catch us in the following workshops: GeoServer...

البيوجغرافية هو علم الذي يهتم بدراسات الكائنات الحية (حيوانات والنباتات) والبحث في أصولها والأسباب الكامنة وراء توزيع هذه الكائنات وفق منهج جغرافي الذي يعرف بالملاحضة، والوصف والتحليل. مكن شرح أنماط توزيع الأنواع عند هذا المستوى من خلال مجموعة من العوامل التاريخية مثل الانتواع والانقراض...

علم شكل الأرض أو شكلياء الأرض (بالفرنسية: Geomorphologie) تركز على دراسة التضاريس (كالجبال والسهول والأودية والأنهار والصحاري والسواحل) وأسباب نشأتها وتطورها. هذا العلم ما هو إلا علم خاص بدارسه الظواهر الطبيعية الموجودة على ظهر الأرض من ظواهر وإنشاءات خاصه طبيعيه نشات الأرض بها يقوم علم تشكل...

I'm working on my first ESRI web map project. In the Default.Aspx page the scale bar is initiated as shown below : dojo.require("esri.dijit.Scalebar"); map.on('load', function () { //resize the map when the browser resizes var scalebar = new esri.dijit.Scalebar({ map: map...

I am trying to create a pop up window when I click on a feature included in my map that displays their attributes. I want it to apply to all visible layers. So far this is a working section of code I have: //Assume that map is your map object var idTask1, idTask2, idParams = new...

The Arcpy documentation seems to suggest that when writing python scripts that utilize/modify variables in arcpy.env, you should wrap everything in a bunch of try/except/(finally) loops with custom error types (which are generally a bad practice, IMO). The the case here, they don't even guard...

I have numerous .img files of the same region and spatial resolution. In Imagine I would like to join all the attributes together into one .img that I may import into r for model predictions. Not being vastly experienced with Imagine I thought I would post this for instruction and cautions...