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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1answer
398 views

how to copy layer and add to same mxd and rename layer using ArcPy and ArcMap 10.2?

I am trying to copy a layer in an mxd and add that layer to the bottom of the TOC using Python, but I have not found a way to save the mxd programatically without making a copy. I also haven't found ...
2
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1answer
310 views

Go through items in a composer legend (QGIS 2.6)

I'm trying to develop a plugin in QGIS 2.6, which opens a composer, add a map and a legend, and (among other things) adjusts the legend. Is there a way to go through items in a composer legend with ...
0
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1answer
312 views

Saving Feature Class Symbology into a Layer or Object to apply to another Feature Class

I am creating a tool to automate a data standardization process. Part of this process is saving the feature class (variable "filename") as a layer file, projecting it into another coordinate system ...
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0answers
53 views

PRACH data plotted in a better way but not completely

I am close to finishing the visualization of PRACH in mapinfo. Here's my output so far (for 4 counters) Unfortunately, for some sectors it is not working as it should be. Can you please help out? ...
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2answers
130 views

batch save as layer to relative path in ArcPy

I would like to use a similar code as below, but one that uses relative paths. Since my input is a batch of tif files (not layers), I do not know if I need to use other functions like ...
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1answer
219 views

new layer from calculations with fields of other layers in QGIS

I've two layers, both with the same fields: A, V, where A is the shape's area and V a value given by me. I want a new layer with shape created by the intersection of the other layers' shapes and a ...
0
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1answer
138 views

Accessing “valueField” property of layer's symbology using ArcPy?

This has been really hard to debug, as I had no idea where to look at first, but I have made an attempt to access the "valueField" property of a layer file. This layer file is of the UNIQUE_VALUES ...
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1answer
92 views

Source for cloud cover map layer over UK

I'd like to add a layer to display historical data on cloud cover in a Leaflet project I'm currently working on. This is specific to a given day in 2012 for a city in England, and ideally I'd like to ...
2
votes
1answer
613 views

How to add label to QgsVectorLayer by Python

my goal is to define label programmaticly for the case similar for the figure below: But didn't find any guidance how to do so using Python. I have a feeling it could be done using QgsLabel but ...
0
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1answer
54 views

How to Send a Feature to a Different Layer [duplicate]

I have a polygon that I made using the buffer tool on a layer. The problem is, I can't figure out how to send this polygon to the layer I would like it to be on. The yellow polyon is the one I'm ...
0
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1answer
113 views

Copying features from one layer into different layer using ArcGIS for Desktop?

I would like to have two different kinds of feature (lets say coniferous and deciduous woodland). To represent this I have two different layers that are different colours. In an edit session when I ...
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1answer
235 views

Mapbox GL JS, self hosted vector tiles with missing levels

Using Mapbox GL JS with self hosted vector tiles in protobuf format where it looks for tiles using {z}/{x}/{y}.pb paths. I have a scenario where I only have data for zoom levels 9, 11 and 13. Is ...
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1answer
21 views

How to add terrain information to an existing project in QGis 2.6? [closed]

I have created contour lines and a hillshade layers and saved it as a vector and as a GeoTiff file respectively. However, when I try to add these layers to an existing project, nothing shows up. Where ...
1
vote
1answer
384 views

Cause of ERROR 000732: Input Layer: Dataset plan does not exist or is not supported?

I have several mxds (located in C:\Project ) that have 250 layers each. All the layers as the same name- "plan" and they all in group layers like that (added picture for example): I try to change ...
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0answers
66 views

Polygon Visualization problem on ArcGIS Online?

Has anyone encountered Visualization problem when uploading shp (zip) file on ArcGIS Online? The polygons are all displaced and overlapped with each other! I am sharing the link with the layer of ...
2
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0answers
284 views

Leaflet filtering existing featuregroup

I have a leftleat map and i would like to filter the featuregroup i am displaying. exp_colJSON = new L.geoJson(exp_col,{ onEachFeature: pop_col, pointToLayer: function (feature, latlng) { ...
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0answers
290 views

Enabling all layers by default using Leaflet?

I am using leaflet maps to compare heat layer and marker layer. I've an option to add multiple marker and heat layers dynamically. For me Heat layers are enabled by default as on when user adds new ...
2
votes
1answer
1k views

Define spatial reference of layer in ArcGis JavaScript API

I get an error "Map: Geometry (wkid: 3301) cannot be converted to spatial reference of the map (wkid: 4326)" when I want to add only graphics layer. I found that spatial reference for a map is defined ...
1
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1answer
44 views

Reordering of layer properties fields in QGIS possible? [duplicate]

I'm wondering why such simple things are not possible. I have 5 fields on my layer and the last one shall be on the top now. But there is no way to do this, is this correct?
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1answer
160 views

Unable to draw a polygon due to “The feature cannot be added…”

The feature cannot be added because it's geometry collapsed due to intersection avoidance. see also http://i.imgur.com/xiiI7NE.png What happended: Let's say I have 2 layers. To the first I ...
1
vote
1answer
241 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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0answers
51 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
votes
1answer
181 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 ...
1
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1answer
202 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 ...
8
votes
1answer
523 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 ...
3
votes
1answer
668 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
votes
1answer
154 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: ...
3
votes
1answer
389 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 ...
2
votes
2answers
658 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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0answers
70 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 ...
1
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1answer
282 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 ...
0
votes
1answer
53 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 ...
2
votes
2answers
190 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 ...
2
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0answers
138 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
votes
1answer
138 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 ...
0
votes
1answer
80 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 ...
1
vote
1answer
177 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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0answers
43 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.
1
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2answers
830 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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0answers
272 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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votes
1answer
83 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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0answers
75 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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0answers
29 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 ...
2
votes
1answer
90 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 ...
1
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2answers
433 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 ...
1
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1answer
186 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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0answers
173 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
votes
1answer
227 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
276 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 ...
1
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1answer
141 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 ...