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I want to take attribute from field_1 in geoserver to show at open layer 3 this is the script lokasipenting = new ol.layer.Vector({ source: lokasi_penting, if ((feature.get('field_1'))=="PENYEDIA AKOMODASI") {style: b1}, else if (feature.get('field_1')=="JASA PENYEDIA AKOMODASI")...

Is it possible to make an expression that labels only the selected feature in QGIS? I tried it with this expression in the label tab: attribute( $currentfeature, 'LAENGE' ) But it labels all and not only the selceted أكثر...

I'm running into some problems here. I've basically copied the script below with minor tweaks from a few other posts here on stackexchange. When I run my code and all I get for output is a TIF that's white with a legend. For the life of me I can't figure out what's wrong. My goal is to take a...

I've got a small clipped extent of a LANDSAT image and I need to have the single pixels as polygons in order to tell the overlap proportions of overlaying polygons.In ArcGIS I used "Raster to polygon" without simplyfying polygons and used the "identity" tool then. What would be a good...

using ArcGIS, I have a layer of overlapping polygons and a raster grid underneath. The raster is not a continuous grid - the cells are spread out. I simply need to calculate the total area of the raster that falls within each feature of a polygon layer. I've used Zonal Statistics and it works...

I am trying to make a map in which a marker can be clicked and a popup opens up with some information. I have successfully done all of that however my first click on any of the markers result in the popup being placed randomly on the map. If I click again, the popup will place itself correctly...

So you have some data in a PostGIS database that you’d like to animate on a map. No problem! In this session, I will walk through the steps for using CartoDB’s excellent Torque library for creating animated map visualizations outside of a full CartoDB installation. This involves adding some...

At Blinkmycar.com, we offer on-demand car services to customers by allowing instant appointment bookings through our mobile ap. We are currently in search for a Logistics Coordinator - a key person in our organization. The Logistics Coordinator should be responsible for: - Receiving customer...

Teaching spatial thinking empowers the populace with the skills to understand and act upon the big issues facing planet Earth. People have always been fascinated with investigating their home—the Earth. To help understand our planet, ancient scholars in Rome, Greece, and China founded the study...

I'm currently working on a problem where I have to use PostGIS's pgr_dijkstra to calculate the shortest route from a starting point to a destination, and then use ST_AsGeoJSON to convert the route to a representation in GeoJSON. I came up with this query, which worked fine when I loaded a small...

I've been tryng to get some geojson features into openlayers. 3.7 changed the geojson source format, and I've made the changes. But I don't know how to reproject in the new format from 4326 to 3857. Here is the link to fiddle.net (https://jsfiddle.net/aborrell/h2yv6moy/) : As it shows, the...

I'm trying to create style sheets for my projects. I only wish to change the Style, without affecting labelling or the Fields. And I can't, for the life of me, get it to work. I'm using .qml files and editing using notepad/textpad. أكثر...

I am trying to run an exe file from the python console in QGIS. my_aplication.exe is a script made in Python3.4 and 'compiled' to windows exe file import osos.system('C:\Python34\my_application.exe')exit_status = 1 But it does not works How can I do that ? أكثر...

i like to know is there any way exist in leaflet api which i can fire when it load tile and when tile loading finish then another function will be called. i was reading leaflet api and found in this url http://leafletjs.com/reference.html#tilelayer there is two event exist called loading and...

Learn how to make a story map in Chapter 3 of The ArcGIS Book Maps and stories complement each other, but until recently they have existed side by side as separate entities. The big idea of chapter 3 in The ArcGIS Book is story maps: maps and stories joined together into one high-impact...

I have a model running on the processing framework it produces a serie of vector layers as output(alt-0, alt-1, alt-2, alt-3, and so on). I have prepared the model keeping the order of these alternatives from zero to 5. But when running the model these vector layer are listed pretty much...

Excuse me for my bad english I'm using ArcGIS 10.3 I am creating a script to screeshots I'm using df.zoomToSelectedFeatures () arcpy.SelectLayerByAttribute_management ("Road", "NEW_SELECTION" '"dep" = 1') df.zoomToSelectedFeatures () arcpy.SelectLayerByAttribute_management...

Hi anyone who can assist me on how to do crop yields estimates using GIS and REMOTE SENSING OR any other system أكثر...

I am trying to show only record in the atlas for the following attribute table... ogc_fid | id | phasename | exampleinfo ---------------------------------------------------------- 2 | 0 | 1- 3 Lower Hillgate | example information 1 2 | 0 | 1- 3 Lower Hillgate | example...

I would like to convert using Arcpy an ASC file to GeoTiff but I can't find nothing about it. I tried : arcpy.ProjectRaster_management() changing .tiff to .geotiff but it didn't work. أكثر...