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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134 views

Where to upload layers in geoexplorer?

I just install opengeo suite (boundless) in my machine and try to explore it. I followed the instruction in user manual and I encountered a problem. In "Load your data with GeoExplorer" part, after ...
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2answers
101 views

How to specify one layer among many with getWMSInfo?

I am using getWMSFeatureInfo with multiple point layers. When I click on a point on map, how to specify which layer that point belongs to?
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2answers
130 views

Using Qt Designer to Create a Form in QGIS that can search for a specific point in a layer

Good Day! I would like to ask if you can create a form in Qt Designer to create a form that can search for a point on the map using data that the user will provide such as the Name. I am currently ...
3
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1answer
43 views

Using Python Add-In to delete/remove ArcMap layers that are turned off?

I have made a python addin button which removes layers that are turned off in an MXD. The strange thing is that I get different results depending on whether I run the python commands in the python ...
0
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1answer
162 views

How does Leaflet layer ordering work with CartoDB layers?

All, I'm trying to figure out how Leaflet layer ordering works when you have layers coming from CartoDB. I have a map with 1 polygon layer (cartodb), 3 point layers (cartodb), 1 basemap layer ...
3
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1answer
48 views

Change projections depending on the zoom level

Is it possible in ArcGis (from a technology/performance/… point of view) to switch projections depending on the zoom level? For example, Is it possible when zooming at some extent to the poles, my ...
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0answers
5 views

arcgis flex api turn on/off group layers

I just started using ArcGIS API for Flex. In my case I need to provide a widget to turn on and off several layers together, which means these layers need to be turned on together or turned off ...
6
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4answers
488 views

Is there a universal map/ layer format?

Just wondering if there is a universal map format that all GIS software can read. ie to quickly share layers with all our partner agencies which have different GIS Software, rather than have to ...
3
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2answers
46 views

Layer just for annotations

Im relatively new to QGIS and would like to know whether or not I can save my form annotations to a layer so I can turn them on or off.
6
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1answer
164 views

Load third-party APIs only when the corresponding map layer is requested?

OpenLayers allows multiple map layers to be hosted on a common platform. If the map application supports a wide variety of maps, say from Google, Yahoo and Microsoft, I find that upon initialization, ...
3
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0answers
117 views
+100

Startup python script to re-join layers

In QGIS 2.2, there is a bug which involves using the JOINS properties on a vector layer (that is already being joined with several other vector layers) whereby the attributes are not fully loaded. ...
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1answer
89 views

How to bind layer display?

I work on several layers in arcmap 9.3 My question is about creating binds to display theses layers directly. like ctrl+1 ( display / hide layer 1 ) ctrl+2 ( display / hide layer 2 ) ctrl+3 ( ...
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21 views

How to configure a write only layer on Geoserver?

This is probably a wrong way of doing it, but I was exploring this option only because I do not know how to implement the right solution. We have a layer to which features are added using WFS-T. We ...
4
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1answer
41 views

Summarizing different (local) shapefiles/sources into one centralized database using ArcGIS for Desktop?

Using ArcMap/ArcCatalog 10.2, is there a way, to summarize a huge number of widely spread shapefiles/sources (different servers, different hard drives etc.) into one centralized database, in order to ...
1
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1answer
34 views

Determining active layer regardless of its name using ArcPy?

ArcPy has a method of defining an active map regardless of its filename or path: mxd = arcpy.mapping.MapDocument("CURRENT") I wonder if there is a similar way to define an active layer. I need it ...
4
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1answer
147 views

How can I modify layer order with the QGIS python API

Typically, after a new_layer = addRasterLayer(...) that inserts new_layer before the active layer, I'd like to move it to the top of the table of contents. How to do it? I use an existing QGIS ...
0
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1answer
96 views

Mouse click event used gis application with much data

I will create an application that using my water pipes, electric cables, gas pipes service in a city. All of streets and roads including water pipes. My service is publishing pipes. My service like ...
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1answer
192 views

How can I change SQL query through a layer of an action (python)?

I have three layers from three diferent database tables. When I click in other layer I want to change (with an action) the query of that three layers. How can I do that? Thank you
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1answer
735 views

Marker layer not responding to events in OpenLayers

I have multiple layers in OpenLayers: three vector layers, one google map layer, and a marker layer. I registered feature selected event to all three vector layers (which works fine, but btw is that a ...
1
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1answer
159 views

Geoserver api: how to determine a layers respective workspace?

I am using the geoserver api to find information about layers that are available. I am using: http://localhost/geoserver/rest/layers.json to get a dynamic list of all layers. If I then select a ...
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3answers
2k views

How to get names of all layers in a store in GeoServer using OpenLayers

I have strict requirement to retrieve names of all layers in a GeoServer store using OpenLayers. I've gone through the post here, but it doesn't answer my question. I've also gone through GeoServer's ...
2
votes
1answer
26 views

OpenLayers - cannot set layer opacity

I have the following problem: by default, you can simply change the opacity of layer by writing for example: layer.setOpacity(0.3); But when I add it to my map SelectFeature controls, my layer is ...
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0answers
25 views

What is wrong with my data receiving from php script for geoJSON TileLayer?

I want to get geo data as geojson for geojson tile layer requests in leaflet. I set up a geojson layer like this: https://github.com/glenrobertson/leaflet-tilelayer-geojson/ A php script answers ...
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1answer
75 views

Refresh Map after Invoke URL

I am making a map on Auto Desk Infrastructure Map Guide Studio. Now I created a small ASP.NET website and hosted in local machine, Now on click of different buttons in flexible layout toolbar, I ...
3
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1answer
47 views

Hotkey in ArcGIS for Desktop to delete layer from Table of Contents?

I'm using ArcGIS 10.2 for Desktop and wish to remove/delete a layer from the Table of Contents. I cannot find such hotkey. I have tried the DELETE button but that does not do it. Also such hotkey is ...
2
votes
1answer
1k views

Layer visibility using maxscale minscale not working

I'm using Openlayer and Geoserver. I have a series of layers that have a scale parameter like: 1:50000-1:25000 where 50000 is the max scale while 25000 is the minscale. I have a map like in this ...
2
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2answers
56 views

How to export all the layers from Table of Content to shp file?

I have got lots of different layers in the Table of Content panel in ArcMap. I want to export them all in shp format in one go. How can I do that? So far I have been doing it one by one by right ...
2
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0answers
24 views

Memory layer or QgsVectorFileWriter Error?

Currently this excerpt of code will not save to file (as it is supposed to). The memory layer is visable and editable. Yet even when manually saving the layer, any priorly added features ...
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0answers
10 views

Proper updating of new memory layer geometry?

Current workflow for a toolbar button: -create memory layer -save memory layer to shapefile Then the user uses the built-in QGIS tools to add geometry and finally saves changes via the auto prompt ...
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0answers
29 views

Vector layers without geometry in QGIS?

Using QGIS, I have set up a couple of automated layer additions via the toolbar. After adding geometry in each respective layer (point, lineString, polygon) and saving changes to the layers, the added ...
14
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6answers
2k views

How to improve rendering performance of very large shapefile?

I have a polygon shapefile that has a 100MB .dbf and 500MB .shp file component. The reason it is so large is it is a landbase classification for a whole district. Everytime I am viewing the file in ...
2
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0answers
29 views

multiple image in OpenLayers

I'm fairly new to OpenLayers so please bear with me. I'm trying to add multiple images to OpenLayers. I have the following (some code is excluded): var images = [image1,image2,image3] // these are ...
2
votes
1answer
286 views

GeoExplorer: “Could not create layer record for layer group”

I installed GeoServer via OpenGeo Suite, and still working on it. I created a "Layer Group" and add layers from local PostGIS. I tried to preview it from "Layer Preview" and show perfectly through ...
2
votes
1answer
301 views

Get feature from two overlapping KML layers doesn't work

I did an implementation similar to http://openlayers.org/dev/examples/sundials.html The difference is that I have two or more kml layers at the same location and want to show their information ...
0
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1answer
377 views

Draw order (zIndex) of OpenLayers polygons and points in the same layer

My question is similar but slightly different from this one: http://stackoverflow.com/questions/5003349/openlayers-vector-features-z-indexing I have an OpenLayers Vector layer which contains polygons ...
0
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1answer
86 views

Problem with snap layer when in name is space

I'm trying to make a option, where user can choose layer to snap. All is okey when layers names are without space, but if in name is space (like 'something layer name') snapping does not work. How can ...
5
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0answers
53 views

Can I save an ArcGIS GeoPDF with all layers turned off, which can then be turned on individually in a pdf viewer?

I am working on an mxd that has many individual point layers (displaying species locations). To make life easy for my stakeholders, I'd like to export to a GeoPdf so that all of these point layers are ...
2
votes
1answer
33 views

How to convert ASCII in x,y,z format using gdal_grid?

I have a map saved in (AFAIK) Arc/Info ASCII format and I would like to convert it with gdal grid but I am getting errors. My data (p.csv) is in the following format: 319053.25,319301.12,544.28 ...
4
votes
2answers
301 views

Is there easy way to get layers names from WMS server?

I've been looking for information on how to get layers names from certain WMS servers, but I didn't find any. E.g. I have this server: http://sdi.geoportal.gov.pl/wms_prg/wmservice.aspx and I want to ...
2
votes
1answer
80 views

Creating New Layer After Sorting Attribute Table using QGIS?

I have been self-teaching myself some open source GIS. I downloaded QGIS and have been following this four part tutorial - ...
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0answers
27 views

Lining up three Layers that use same Coordinate Reference System (CRS) in QGIS?

How do you make all borders of a layer equal? they should be equal but i don't know how, mCRS layer is all in philippine zone 5(EPSG:3125), with the same formula/equation, I'm new to QGIS and I'm ...
1
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1answer
34 views

Merged Layers turned into square shape cause by single layers in QGIS?

What I did is merged the 30 layers of the map (Isabela Map Province - Philippines) and below is what happened. How do i remove the inside map of the border? I'm new to QGIS and I'm using QGIS 2.4 ...
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0answers
23 views

How do I change the order layers are displayed in in MMQGIS?

I am dealing with hundreds of different layers, all of which have one of 6 names - not by choice, that's just the way they show up when I import them. I am trying to merge all those with the same ...
0
votes
1answer
35 views

Meaning of Spatial Join ERROR 000840: The value is not a Feature Layer?

I'm using ArcGIS (ArcMap) 10.2 to determine the relative location of points of land to a regulated area. I downloaded a layer (.lyr) file that displays the regulated area, and am able to display that ...
1
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1answer
38 views

Merging vector layers using QGIS? [duplicate]

I have dozens of vector layers that I want to join together in QGIS. They have identical fields. How do I do this?
0
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1answer
37 views

Setting Layer Properties Using ArcPy

I am writing an ArcPy script that creates a Point Density Raster file, and then changes the following properties in the resulting layer: Symbology Classified Classes = 10 Classification Method = ...
3
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0answers
34 views

Layer tick boxes embedded in PDF map

Maybe this is more of a PDF question than a GIS question. Today, I received a layered PDF map shown as a landscape A3, with a square map on the left, and with the map title, the legend, the scale, a ...
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0answers
107 views

Part of text missing in legend and text boxes

I have had issues lately when exporting to pdf from ArcMap 10.2. Parts of the text sometimes fall off and goes missing. Mostly it's been some lines in legends, but now also text boxes. The text is ...
0
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1answer
316 views

Arcgis SDK for Android - Query multiple feature layers

I'm developing a android application with arcgis sdk. I have a basemap and then 4 different feature layers on top of it. I began with the arcgis sample "attribute editor" and removed the edit ...
1
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1answer
38 views

More than one group for a single layer in Geoserver?

I have a huge number of layers in my geoserver that I have painstakingly imported and they all work correctly when viewed with GeoExplorer etc. I want to know if there is any way to create set maps ...