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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34 views

CartoDB adjusting the style of the layer toggle function

The layer names are cut off in the toggle layer function. Is it possible to adjsut the font size or the length of the layer function box so text is not cut off?
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2answers
195 views

Add external WFS layer to geoserver using REST API

I am trying to add an external WFS as a datasource to my geoserver via REST API. I already added a new workspace and WFS datasource. Now I want to publish a layer from that WFS on geoserver. The ...
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1answer
56 views

Mapbox Studio Draw Order

I have made a map using Mapbox Studio. The map is made up of 2 map sources, MapBox Streets Custom Style - a PostGIS layer I am having trouble working out how to set the draw order. I have tried ...
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0answers
21 views

Sub catagories in leaflet layercontrol

I am trying to create subcategory in layers which looks like below and trying to display the Banks on basis of their names. I created a new control customLayerSwitcher = L.control({ position:...
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34 views

Transparent layers won't display correctly, but print OK in ArcMap?

Transparent layers are not displaying correctly in ArcMap 10.2 or in exported maps, but they do print OK. They look like this: The weird thing is - the transparent layers displayed fine a few ...
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20 views

Layering polygons over neighborhoods?

I would like to layer a polygon with 30% opacity using different colors over OpenStreetMaps or Google Maps like so: How might I go about doing that?
2
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0answers
178 views

Qgis delimited text layer from an excel file converted to .csv

I'm trying to add a delimited text layer using coordinates. The file has been created in excel and then converted to a csv file in the saving. When I put it into Qgis it doesn't recognise the headings-...
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0answers
99 views

How to show two layers at the same time in Qgis

I have a question about Qgis layers. I want to see two layers at the same times. one is lines which are boundary lines and the other is polygon which are district. when i was surfing about this ...
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0answers
34 views

How to SetVisible a layer without redraw all the mapcanvas

I am working with QGis 2.8.2 API c++/ QT 4.5 I am displaying a lot of layer in a mapcanvas, I am looking for a method like setVisible(boolean ) in order to setvisible or not a specify layer ...
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0answers
142 views

What could be making QGIS 2.10 crash when loading a project file?

On QGIS 2.10, running on Ubuntu 15.04 Linux, I have a project file that has a fairly large number of mainly shapefile layers, which gets to 99% on the slider to the right of where it has a message ...
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1answer
304 views

Turning off all layers in MXD using ArcPy?

I tried this standalone script to turn off all layers in the MXD: print "This script turns off the following layers:" try: arcpy except NameError: import arcpy mxd = ...
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1answer
196 views

Openlayers 3 layer style issue

I need to create a layer with meteorological icons on it - about 100 of them. So. I define its source like this: mappingAPI.meteoIconLayerSource = new ol.source.Vector({}); I add icons as ...
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1answer
79 views

Having more than one Openlayers layer switcher associated to one map

I am developing an OpenLayers 3 web application were I would like to incorporate more than one Layer Tree alongside my map. I have this JSFiddle set up that it has a map with multiple layers and one ...
3
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3answers
374 views

Copying one or more layers (with properties, style, and path of source data) on ArcMap and paste into different ArcMap project?

I am using ArcMap 10.2.1 and i would like to take all the layers from one plan and bring them into another plan with all of the associated properties.
1
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1answer
70 views

ArcGIS Layer Visibility Shortcuts or Tools

I am wondering if there are ways in which we can enable the layer visibility when holding a key and turn the layer off when releasing the key (in ArcMap). Something like in some online games you can ...
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1answer
31 views

Updating and interacting with map layers through a windows form

Using arcobjects I am attempting to connect a windows form with a checkedlistbox, to the layers that I have on my map in ArcGIS. When I first create my form, the list of checkboxes will automatically ...
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1answer
88 views

Arcpy - add layer tif

I'm trying to write a python script that will add a tif to the table of contents of my map. (Eventually I want to convert to tool that allows the user to type in the filename and then has the tool ...
2
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1answer
398 views

Programmatically get Layer source properties DataType with ArcObjects?

I am trying to access the DataType property of a Layer in the TOC in ArcMap. The layer is added from a web service as an IMapServerRESTLayer. The Data Type property is listed with Layer -> ...
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0answers
87 views

PyQGIS Set Extent for loaded layers - Refresh problem

I've written a plugin which loads a number of map layers (based on constraints) and I would then like to set the canvas extent to a selection of them. Code very similar to that below works perfectly, ...
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1answer
1k views

OpenLayers & Google Maps: TERRAIN not showing as baseMap

I have a problem with OpenLayers and Google maps: on this page: http://46.37.22.75:8085/public/ I'm loading Google maps TERRAIN with Openlayers.js, everything worked well for about 1 year, but now ...
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2answers
92 views

Layered world map

First off I just want to say that I am NOT sure if this is the correct place to ask this question; So if it is not, please direct me to the correct exchange. So for the question: I am looking for a ...
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0answers
41 views

Problem on displaying a layer in overlay on a s57 map

I am loading a s57 file, I select only some layer to be displayed. I am under QGIs 2.8 At this point it is ok, the coordinatereferencesystem is EPSG4326 WGS84 and at the bottom of the windows of qgis ...
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0answers
45 views

VectoreLayer Still Empty even if attribute has been set with value

I am working with the qgis api c++ 2.8.2, my application is written in QT 4.5.3 / C++ I had to create a vectorlayer in memory with attributes and features and export it to a shp file to import it in ...
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0answers
110 views

OpenLayers 2: WMS layer attribution legend doesn't change between WMS layers, it just piles up

I'm using this to put legends in WMS layers. It works nicely when similar layers have the same legend (eg. layer A1 with legend AAA and layer A2 with legend AAA). The problem is when WMS layers have ...
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0answers
40 views

layer name and longName are identical when they shouldn't be

I am attempting to use a script to re-source a bunch of layer files in a folder (adapted from Unable to change data source path for group layer file): import arcpy, datetime, os, io, sys def ...
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0answers
72 views

Make “qgis:delaunaytriangulation” and “qgis:dissolve” save their outputs on a specific predefined layer

I'm new to python and QGIS. I'm working on modifying a plugin which runs algorithms "qgis:delaunaytriangulation" and "qgis:dissolve" like so delone_triangles = processing.runalg("qgis:...
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11 views

Divide/Split single polygons from one Shapefile using ArcGIS for Desktop? [duplicate]

I have a map of Austria which shows all the federal states in own polygons. As a whole - sure - you get Austria. I know how to make several states invisible so that you can just see particular states ...
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44 views

Styling MSSQL Layers in QGIS

I have set up Ordnance Survey MasterMap as 2 MSSQL layers (area and text) which are working great, I can style the layers as I would do usually with shape files but I'm struggling to work if it's ...
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1answer
38 views

Prevent Overlapping Features in QGIS from Being Faded

I have multiple layers in QGIS that I've set as transparent so I can see their respective features. However, I would like one layer (showing proportionally sized points) to NOT fade when it overlaps ...
2
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1answer
103 views

How to load a style from POSTGIS in PyQt

The thing is that I have four styles I have created in QGIS through the GUI and saved into a postgresql database. I can see them in the table named layer_styles I have seen similar questions asking ...
2
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3answers
68 views

Editing Road Style/Color from ArcGIS Maps and Data Group

I have ArcMap 10.2 on a Windows 10 pc. I uploaded this open source layer into my desktop map, but I can't edit the look of the streets or color from the table of contents. Is there a way to do this, ...
1
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1answer
31 views

How can I check in QGIS python if an atrribute is included in my layer?

I use the following code: for field in self.layer.pendingFields(): if field.name()=='elevation': do this else: do that Although there is an elevation attribute in my layer ...
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1answer
589 views

Dynamic Layer Name - Leaflet Layer Control

I would like to have the name of a layer used by Leaflets layer control feature come from a variable instead of a string and based on data from the layer. The example shown below uses the variable ...
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0answers
19 views

Vector layers don't seem to be exhibited properly [duplicate]

I'm a veterinarian that uses qGIS for making basic outbreaks maps, and am trying to branch out and expand what I'm doing. When I first started using qGIS 3 years (I believe it was 1.7), ago, when I ...
3
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1answer
621 views

Where is the “Add vector layer”-button in GRASS 6.4.4. plug-in QGIS 2.10.1?

I've just downloaded and installed the new version of QGIS 2.10.1 with GRASS 6.4.4. When opening a new GRASS mapset and importing layers, I missed the button "Add a new vector layer". I've updated ...
1
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1answer
65 views

Serve very basic WMS data to a GIS system from my PHP server

Apologies for the basic nature of this question - I hadn't heard of GIS until this morning! I have a PHP server with some basic data for geographic points in a MySQL database - each one has a latitude,...
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2answers
63 views

mapping.mapDocument() not working, but not throwing exception. path issue?

I'm working through the recipes in the Python cookbook, and am having some weird results. When I run the script (copied below) with the map reference listed as "CURRENT" from an open mxd from the ...
0
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1answer
187 views

Publishing QGis project on Geoserver

Is there a way to prepare a project on QGis with many layers and to publish it under wms service on Geoserver? Thank you for responses
5
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0answers
145 views

How to speed up simultaneous working with PostGIS layers in QGIS?

we are working on one big layer at the same time (10-20 people). Some of us use QGIS 2.8.1 and the other 2.6. The user with 2.8 have a lot of crashes (QGIS). The 2.6 users don't have this crashes but ...
2
votes
1answer
580 views

Standalone Python script to split a polyline with a point layer

I have a polyline layer and a layer of points that are on top of the polylines. I do not have the ArcGis advanced license so I can't use the Split Line at Point tool. Can someone help me with a ...
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0answers
37 views

ArcMap data links redirecting to location of exported map

This issue had only started in recent days. Just wondering if anyone else has come across this before and might know of a solution? I have multiple mxds that contain layers that normally live in a ...
0
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1answer
43 views

ESRI layer files to directed graph?

I am pretty new to ArcGIS and would like to extract GPS coordinates of nodes as well as the length of all edges connecting those nodes from some ESRI layer files (http://www.nyc.gov/html/dcp/html/...
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1answer
58 views

Updating In Memory layers, saved layers, group layers and single layers? [closed]

I was wondering if someone can give an explanation to why the following the scenarios happen ? or direct me to relevant thread or documentation? Back story is that I have been working a lot with ...
1
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1answer
158 views

WMS layer details not clearly visible in Leaflet

I cannot figure out where the problm is. I use GeoServer and Leaflet. My problem is that when I visualise some layers (in particular that with the names of the clients) I cannot see them all at each ...
2
votes
2answers
154 views

How do I find a layer based on source name using ArcObjects?

I am relatively new at creating tools with ArcObjects and I am having trouble finding a layer based on the layer's source name by looping through all layers. I've seen here that it is possible, but I ...
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0answers
81 views

Getfeatureinfo is not working with geoserver point line sources

I'm not able to get information with Getfeatureinfo when clicking on point & line layers. For polygons it works fine. I'm using the code below to execute the WMS service: google.maps.event ....
2
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2answers
397 views

Adding a Polygon to an OpenLayers3 Map with coordinates read from a string

I do have a bunch of coords as a string read from a wps request result. I want to display these coordinates as a new layer added to the exisiting map. What I do is to split the string by containing ...
3
votes
1answer
47 views

ArcGIS converting list of enumeration in single field of s-57 data?

Im storing s-57 data in an MDB which is being symolised via a layer. Some attributes in s-57 data can be a list of enumerations and I want to find a way to show the actual values the enumeration ...
1
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1answer
103 views

Adjust PictureMarkerSymbol size to distance (ArcGIS 10.2.5 SDK Runtime for .Net)

I'm working with ArcGis 10.2.5 Runtime SDK for .Net. I have created a PictureMarkerSymbol that shows data of an area of interest in miles, and the question is, how can i fit the symbol size to a ...
2
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0answers
307 views

Leaflet : Change marker icon from onEachFeature instead of pointToLayer

I'm referencing external data, matching it up with particular fields in feature.properties and using that to decide which layer to put the feature in, all of this from inside the onEachFeature part. ...