A layer is a collection of information. It contains specific elements of a gis in a specific presentation method (e.g raster or vector layer). Layers can be edited separately in order to create individual toppics for a map.

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Layers Question

I'm currently mapping with a free account on CartoDB but I've run into a roadblock. I need to add multiple visualization layers onto my map but the free account limits me to merely four. Is there any ...
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Setting KMZ layer visibility

How do I set the visibility scale for a line KMZ created from ArcMap (Layer-to-KMZ). I'm sure I would have to go into the KML code and add, but add what. That is to say as I zoom in and out using ...
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How to add on click information on places in any layers in OpenGeo Suit 4.5?

I recently installed OpenGeoSuite 4.5 and I am very new in to it. I uploaded my .shp file in it and it showing that layer currently. Now I want to add some information(name and a little info etc) of ...
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24 views

Layer toggle disappears leaflet

I'm having a bit of trouble finalizing a project I'm working on. When I upload my map to filezilla, my map layer toggle doesn't show up: before uploaded: after uploaded: Does anyone have any idea ...
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18 views

add featureset in graphics layer without iterating

I have a geoprocessing service that returns a large amount of features (featureSet). I want to attach them in a graphics layer, but I dont wont to iterate over all them. I tried using the ...
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2answers
61 views

How do I rename Shapefiles in QGIS?

I have a huge list of layers in a project that are named in a foreign language. i I want to translate and add the English title to the name. When I right click on a layer and choose properties- ...
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76 views
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How to update projection of layers in Geoserver using gsconfig

Im using following code to find projection of layer from geoserver.catalog import Catalog cat=Catalog("http:// localhost:8080/geoserver/rest") myResource = cat.get_resources(store='storeName', ...
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27 views

Geocoding Result layer does not show up in ArcMap?

http://i.imgur.com/XF5iQN4.png Everything was going fine until I geocoded the addresses. The addresses were all matched, but the Geocoding Result layer wouldn't show itself on the map. There should ...
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32 views

QGIS - Save not working after copy-paste between layers

I am trying to copy points from one layer to another in QGIS, both shapefiles, both with the same schema, both point files, both with the same Coordinate Reference System. The shapefile was originally ...
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55 views

Download layers from arcGIS online in python [closed]

How can I get layers/maps from arcgis online in Python? I mean to download layers from Arcgis online in python, just like publishing. I've searched about it in the documentation of Arcgis 10.2.2, but ...
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1answer
35 views

python script to retrieve names and scale range from an ArcGIS MapServer url

i am pretty new at ArcPy. i need to write a python script to retrieve names and scale range from an ArcGIS Map Service url. i had a look around json and url2lib but i am lost. I want to retrieve the ...
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69 views

Working with AutoCAD Layers in ArcMap

I am following the ArcGis10.0 desktop help to bring cad data into ArcMap but I'm having trouble accessing the Autocad layers set up in the Autocad file. I am: using the add data to reference in the ...
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32 views

How can I join a buffer layer to the layer it was created from?

I have two relevant layers for this problem: Real estate parcels (point data) Multiple ring buffer layer - contains multiple buffer rings around each particular real estate parcel. (0.5, 1, 1.5, ...
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47 views

OpenLayers 3 - Monitor layer loading progress

I'm doing an upgrade from OpenLayers 2 to OpenLayers 3. In OL2, I was monitoring the loading progress of layers with their loadstart and loadend events. With grid layers I was even able to show a ...
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1answer
50 views

How can I enable a file to be edited if ArcMap won't let me edit it already?

I have two wetland layers. One file downloaded from the National Wetland Inventory and one from the U.S. Fish & Wildlife Services. Both layers were downloaded through MassGIS's Online Mapping ...
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2answers
57 views

SQL filter to show one layer only if another layer is missing

I have two oracle tables that represent buildings in my town. The first table represent buildings that are surveyed and measured accurately but doesn't cover all the parts of the town while the second ...
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1answer
36 views

Openlayers event cluster feature id does not appear on layer vector feature id list

My application's objective is to click on a cluster and produce a popup with a list of all placemarks clustered there where every entry is a hyperlink that closes current popup and opens a new ...
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1answer
30 views

Easiest way to add layers to QGIS [duplicate]

I have OSM data that I've loaded into a Spatialite database now what's the easiest way to get it to look like OSM? I shouldn't have to add and style each layer individually but I can't figure out what ...
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3answers
67 views

Insert layer file to specific data frame

I have a folder that contain mxd's projects. Each mxd has 3 and more data frame. I want to insert layer file to a specific data frame with position in the TOC. I don't know how to do it. I'm trying ...
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3answers
77 views

how do I group layers in QGIS 2.4.0 [duplicate]

As written in the Title: How do I group layers in QGIS? I have tried dragging them on top of each other and looked in the layers setting but could not find anything.
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1answer
57 views

Ordering Cartodb torque visualization over Google Maps heatmap layer

I am attempting to create a map with two layers: a CartoDB Torque visualization on top and a Google heatmap layer underneath. So far I have only been able to get them to draw in the opposite order ...
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2answers
69 views

Creating sub sections (groups) of layers in QGIS?

I am working on a project regarding Fish species and fishing methods with many layers. This creates confusion. I would like to create layer sub sections (groups) like the following: Fish Species ...
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1answer
39 views

Change Data Source of Raster Layer Added to Map Display? Unexpected default

I have a script that I'm using to generate raster maps and automatically add them to the map display, but when they are added they are sourced to a temporary location. I use the same code for ...
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3answers
295 views

Z-index in OpenLayers 3: layer ordering in OL3

Is there a method to cjange Z-indexes of layers in OpenLayers3 like it was in old version? map.setLayerIndex(markers, 99); //set the marker layer to an arbitrarily high layer index and I need to ...
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30 views

QGIS 2.4: copying of points to another point layer

in QGIS 2.4 it is not possible any more to copy points of a layer into another layer - I get the message: " Fehler: Objektschreibfehler: Objekterzeugungsfehler (OGR-Fehler: Attempt to write non-point ...
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46 views

Accessing secure Geoserver layer with username password

I created Users, Groups and Roles in geoserver. And I set the user roles for my workspace. user1 can read user2 can write And I want to access my layers as anonymous like this: ...
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1answer
69 views

How to load a *.qgs file in a C++ QGIS standalone app?

I'm using QGIS-2.4.0 API to develop a standalone app by C++. I saved a test.qgs file in QGIS Desktop software, in the project, there was one layer and it was visible. Then I loaded the test.qgs ...
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39 views

Unable to Drag to rearrange layer drawing order in Table of Contents of ArcMap?

I'm new to working in ArcMap, but I seem to have a very small issue. I'm using ArcMap 10.2.2 on Windows 7 Ultimate and for some reason, I can't rearrange the layers I'm working with in the table of ...
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1answer
39 views

Error Applying Symbology to Shapefiles

I'm trying to apply symbology to my dataset after it is populated to the map display, but I am getting the following error. Have I placed the ApplySymbologyFromLayer code incorrectly? Traceback ...
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2answers
67 views

Openlayers 3 Vector Layer error

Getting error from Firebug on running this code: TypeError: f is null (ol.js 409) The map is showing up properly. After adding the line : this.map.addLayer(vectorLayer); I get the mentioned ...
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1answer
65 views

How to query all layers in ArcMap and get access to them by name or index?

I have next issue: I have ArcMap with tons of layers. Some of these layers may contain another layers with data (aka Composite layers) or they don't. The depth of composite layers in unknown. I need ...
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1answer
98 views

How to get wms layer's extent OpenLayers3?

Here is my a part of code , var wms = new ol.layer.Tile({ source: new ol.source.TileWMS({ url: 'localhost:8080/geoserver/BEIS_WS/wms', params: { ...
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170 views

Get layer name by click on features OpenLayers3

I want to add selec interactions to my OL3 map. Adding two different select interactions like this is not working. Only the second one works. Like this: var select = new ...
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19 views

GIS system for displaying GDSII(*.gds) format?

I want to display vector graphics on raster graphics and I have vector scheme in GDSII format. There are some viewers for GDSII like KLayout for example, but they don't support raster graphics. Is ...
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57 views

Open a *.qgs project file in API, why maps do not show?

I'm using QGIS-2.4.0 API. I saved a test.qgs file in QGIS Desktop, in this project, there is one layer that is visible in it. Then I open the test.qgs project file in QGIS API to developing an App, ...
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64 views

ArcGIS API for Silverlight : query that displays layer attributes in a dataGrid

I'm working with ArcGIS API for Silverlight to build a webmapping application and I'm trying to display my attributes in a datagrid. I made a try by using this code : void ...
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1answer
96 views

OpenLayers 3 drag and drop interaction with custom projection problem

I am trying to add layers by using drag and drop interaction. Here is jsfiddle.http://jsfiddle.net/anuket/umdwzn10/ It almost works, I mean new layer is added, but for Geometry it gives "NaN". Geojson ...
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37 views

merging layers of raster data of the same format

My map consists of several different grid-layers lying right next to each other. I want to merge them to one single layer so that i can analyse my whole map at once. How can i do that?
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When does iface.mapCanvas().layers() get updated to the contents of QgsMapLayerRegistry.instance().mapLayers()?

Since the topic might be a bit cryptic, I'll try to explain where my problem is. I am currently developing a Qgis-plugin, where I am creating and adding some layers automatically, which I would like ...
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50 views

Change layer properties

How can I edit name of lines of layer in ArcMap from Visual Studio C#? E.g., change STR_NAME = "Pushkin street" to STREET = "Pushkin street"?
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37 views

Can QGIS generate a map that composed of several .shp maps?

I'm using QGIS-2.4.0 API to develop application. I need a map that composed of several vector layers. If only this, it can be done by merge in QGIS, but I need more for that: the map(or project?) I ...
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1answer
99 views

How to transfer layer data from OpenLayers to PostGIS database or QGIS?

Supposing I have a created some layers in OpenLayers containing only Geometry Points, how do I transfer my data to a postGIS database? Is there a way to turn pure javascript/openlayers to a table in ...
2
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1answer
30 views

Is there a a way to add a topology dataset to an mxd with arcpy?

I have a script that identifies certain layers from a folder containing several geodatabases. Part of the scripts purposes, or intended purpose is to have it add a topology dataset to the dataframe. ...
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1answer
46 views

Switch callout text boxes on and off?

In my ArcMap project I’ve added text to the map in callout boxes to identify certain districts. Is it possible switch these on and off like the data layers? I don't want them to show in everything I ...
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26 views

My layers are not visible after restart geoserver

I have ArcSDE connection on Geoserver. In order to make geoserver faster I have restarted it. After restarting my published layers (datas) are not visible. When I publish this layer again, geoserver ...
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48 views

How to set an x-offset for my whole linestring/layer?

Supposing I have a layer imported from GeoServer succesfully, and it looks like this: (some will remember me from my previous question. And, yes, that is my city Volos, Greece. There is a map and a ...
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1answer
55 views

Problem showing WMS with EPSG:3301 projection using Leaflet

I am trying to show wms layer EPSG:3301 using leaflet, but have no succes for a long time. http://kaart.maaamet.ee/wms/alus?service=WMS&version=1.3.0&request=GetCapabilities Here is my code: ...
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1answer
124 views

How to get layer type in OpenLayers 3?

I would like to iterate through all of the added layers in an ol.Map instance and only select the vector layers. So far I could get the individual layers with the a property of the resulting object of ...
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61 views

How can I change layers visibility while I zoom in geoserver?

I want to change layers visibility while I zoom , here are my screenshots. where is my error ? I'm waiting your helps , thanks.
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61 views

Help embedding Openlayers map in Eclipse BIRT report

i have this code, it displays the zoom buttons only but it doesnt display my map. what could be the problem? <html> <head> <script ...