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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15 views

ArcGIS API for Javascript Not Adding Layer and/or Graphic during mouse event handler?

I am trying to add a graphic to my graphics layer during a map mouse event. In the javascript console, I can see that my graphic object is created and no error is thrown when I add the graphic to my ...
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32 views

Generate layers based on feature values

First of all, I am very new to the GIS world, so bear with me if the question is stupid. I am using ArcGIS and here's what I try to accomplish: I have a feature class (let's call it Areas) storing ...
2
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1answer
61 views

Edit attribute table for shapefiles in folders and subfolders with arcpy?

Continuously to Merge shapefiles in folders and subfolders with arcpy I try to edit attribute table for 20 shapefiles that spread in big a folder and are divided to a lot of sub folders. All ...
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1answer
38 views

How to create a text file containing layer names in QGIS?

My QGIS ToC contains layer groups and some layers that do not belong to any group. I would like to create a text file containing the name of those layers that do not belong to any group. Is there an ...
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1answer
285 views

Is it possible to have dynamic layer names in QGIS project?

I have a QGIS project with layers, based on PostGIS SQL queries that use current date. Since the data in the database changes, these queries return different data every new day. Is it possible to ...
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28 views

Advice needed on JavaFX Map Rendering

A few months ago I inherited an old (10+ years) Java Desktop application that used maps and simple icons to represent point data to various users. The application was writted in Swing and used Esri ...
2
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1answer
23 views

CartoDB problem with layers and infowindow display

I hope someone has had the same problem and can help me out. I just started testing and using CartoDB, and I am dealing with this problem on a map that has been published already: ...
2
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1answer
26 views

How to copy paste layers from one QGIS project to another?

Using QGIS 2.4, how can I copy one or more layers (with its properties, style, and the path of the source data) on QGIS and paste it in a different .QGS project? I tried to make this, clicking in a ...
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2answers
63 views

Add multiple Layer files in subdirectories to mxd using python

I have more than 300 layer files located in many sub-Folders and sub-sub-Folders. All Sub Folders are located in one large directory.I read Use python to add layers to TOC and I try, with arcpy, to ...
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17 views

Adding layer to MXD from different SDE slows down ArcPy script

My python script looks at layers in an MXD, then does a couple of clip and measure operations and generates a PDF. It works accurately and quickly (0.5-3 seconds) when all the layers in the MXD are ...
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1answer
43 views

Automated map export, iterating layers and editing text

So just a beginner here. I've been automating a few map exports with ArcMap, I've used stack exchange to mash together some scripts to export maps with one FC symbolised using different fields and ...
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39 views

ArcGIS API Javascript Server creating a dropdown menu

I am trying to rebuild this ESRI example with my own feature layers: https://developers.arcgis.com/javascript/jssamples/dataadapterfeaturelayer.html Since I just want a dropdown menu existing out of ...
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1answer
27 views

creating a new layer based on colour characteristics

I have 14 polygon layers. I have plotted them as transparent layers, so I can get a final layer with 6 different colours, which represent different categories. I want to create a new layer made by the ...
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2answers
58 views

Merge layers and fill gaps

I have 14 layers, which are polygons. They represent the channel of a river at different periods. I need to fill the gaps that exist once I overlay the polygons, but I can't change the properties of ...
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0answers
57 views

Error when running Python script to replaceDataSource of multiple layers in multiple mxd's

I looked on all of your sites and did not find a solution to my problem. Almost all of our data has been copied to an SDE and now most of the layers in all of the mxd's need to be redirected to the ...
4
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1answer
98 views

Comparing floor and roof areas using QGIS?

I am pretty new in this GIS topic and I would really appreciate if someone can help me with this problem. I am doing a research for university that shall show the available roof area for ...
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1answer
52 views

Search layer in MXDs

I work on arcview 10.3 and i try to find layer called "ways" in several mxds. i try this code but it does not work. anyone know how to do it?: import arcpy,os,sys,string import arcpy.mapping from ...
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1answer
39 views

Adding shapefile layers in QGIS causes previous layers to disappear

This is my first time having such trouble, but I'm only a casual user. I have a base raster layer of the school I work for and I've been adding vector shapefiles on top of that in separate ...
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29 views

Adjust Geoserver home page just to WMS service

I want adjust my first Geoserver home page(Before logging in) just to WMS service! Can anybody help me please?? Thanks.
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64 views

ogr2ogr - extracting S-57 layers

I'm trying to extract the layer DEPARE from an S-57 datafile and convert it into a shapefile. I'm using ogr2ogr from OpenGeo Suite 4.5 (GDAL 1.11.1) on Windows 7 64 bit. The problem is that when I ...
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102 views

Error with GeoExt.data.WMSCapabilitiesStore + gx_wmslegend

When I use this code (code in bold means for comparison between codes): // create a new WMS capabilities store store = new GeoExt.data.WMSCapabilitiesStore({ url: ...
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1answer
65 views

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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27 views

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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20 views

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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1answer
34 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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2answers
32 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
78 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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1answer
102 views

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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38 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 ...
2
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1answer
43 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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0answers
64 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
46 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 ...
4
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1answer
90 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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1answer
43 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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77 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
60 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
59 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
54 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
31 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
80 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
118 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
77 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 ...
2
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2answers
84 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
46 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 ...
0
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3answers
624 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 ...
1
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1answer
42 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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0answers
78 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: ...
2
votes
1answer
116 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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1answer
60 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 ...
0
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1answer
48 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 ...