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.

learn more… | top users | synonyms (1)

0
votes
0answers
12 views

Two layers of the same region with the same coordinate system does not lay in the same place! [duplicate]

I know that my problem seems to be frequent but I couldn't find any good till answer. I have two layers for the same place (area and roads) in my ArcGIS, both of them has the same coordinate system ...
-1
votes
0answers
26 views

ArcObjects how open layer in new window? [on hold]

I have 2 layers. 1 layer - Buildings, 2 layer - transmission line inside the building. Is it possible to do so, that would be in the window layer object parameters Buildings, was watching button ...
0
votes
0answers
17 views

Using Python to copy the “Export Data” feature [closed]

Complete newbie here looking for some assistance. I need to convert a shapefile into a KML file and as i do this often was looking at Python to automate it. The shapefile has a join to another ...
1
vote
1answer
30 views

how to extract OSM data to as many layers as possible in DXF( or multiple DXF file) as path for illustrator use?

So i am just touching QGIS, mainly to explorer way to use map data for my animation. Here's my first try to make it clear to understand what I am aiming for: ...
0
votes
0answers
56 views

How do I access graphic information from an element in an ArcGISDynamicMapServiceLayer? (Flex)

I've got a Flex application that shows pipeline data on a touchscreen map (for an exhibit). The spec mandates that tapping an element on the map (such as a power plant or substation) will trigger a ...
0
votes
1answer
20 views

Mapbox Opacity Example Touchscreens

In Mapbox, this example works on a PC but not on a touchscreen Android/iPhone/iPad https://www.mapbox.com/mapbox.js/example/v1.0.0/opacity/ Is there a simple change to the code below to make it work ...
2
votes
1answer
14 views

Setting (above/under) priority order of layer in leaflet

When I add a layer in leaflet it stays automatically above all layers I want layers to be ordered wich one stays above the other in way that last added layer will not stays above and hide the other ...
0
votes
0answers
8 views

Regroup layers in Configurable Map Viewer (CMV)

Please, how can I group layers by topic in CMV and change operationalLayer = [ ] array automatically into Viewer.js: I want to regroup feature layers by topic. I failed to create an other ...
-3
votes
1answer
30 views

Insert layer using Arcpy- Code error [closed]

I'm trying to add "roads" layer to all the maps that do not have this layer in the table of content, by using this code: import arcpy,os,sys,fnmatch from arcpy import env env.workspace = ...
1
vote
2answers
56 views

How to insert layer excluding MXD files using arcpy?

I'm working on 24 MXD files. Several maps include "roads" layer in them, the other maps don't have this layer. I'm trying to add "roads" layer to all the maps that do not have this layer by using this ...
4
votes
0answers
63 views

Connect data from two different layers

I'm trying to connect data from two different layers to combine them in one new layer and continue working with them. Let me explain that a bit more detailed: The first layer contains data (and ...
4
votes
1answer
70 views

QGIS: Batch export multiple layers to DXF

I have only had limited experience with QGIS. What i have: I currently have many different layers (water mains, sewer mains, drainage etc.). These layers are TAB files with attributed data. What i ...
1
vote
1answer
20 views

How to work with Baccini et al.'s biomass map from ArcGIS?

Baccini et al. (2012) has produced one of the best biomass maps available for the world. One can find the map from one of ArcGIS repositories here. I downloaded the .pkinfo file for that map but I ...
3
votes
1answer
17 views

Point feature changes over time?

QGIS strategy for denoting point feature changes over time? My project file has a shape file layer (point symbols) geolocating 50 historic street name mosaics embedded in concrete sidewalks ...
1
vote
1answer
34 views

Adding infowindow to cartodb map using api

I think this should be easy, but I just can't work it out. I am building a multi-layer map using cartodb (own opensource server). Layers display well. but I have two problems. 1) the layer select ...
0
votes
0answers
14 views

Loading Data into Vector Layer Polygon

My first layer is a map. My second layer consists of points: bars with GPS coordinates (.cvs file). My third layer consists polygons, creating different area's for the bars. So, the points of the ...
3
votes
1answer
69 views

Application of preset properties QGIS layer to another imported shp

In QGIS I import the same shp files during days (continuously fieldwork). For processing in QGIS I set the properties of layer (imported shp)- Style, Labels, Actions, Display. In these days I have to ...
2
votes
0answers
23 views

PyQGIS: intersection of one node layer with two polygon layers

I´m new with the use of PyQGIS and I´m working in a problem applied to a water supply systems modelling, where I need to distribute the water demand in about 5000 nodes (network junctions). I´m ...
1
vote
0answers
49 views

Map gear's OL3-Google-Maps not showing the google layer even after adding google layer

I am using Map Gear's OL3-Google-Maps in order to load the google base map in OL3, I am adding like this //Before adding this i am removing the OSM base map tile layer and adding it. var googleLayer ...
3
votes
1answer
40 views

Empty a layer for each QGIS project

I have a layer with a customized form. Dropdowns, checkboxes, etc. in a QGIS project which is kind of a template. This QGIS project will be copied and pasted every time a new study has to be done ...
2
votes
1answer
55 views

Changing Query Layer's SQL Expression with Python

I use query layers in ArcMap 10.4. The maps need to be done/repeated periodically. The easiest way is to copy the map, change the source's SQL expression (e.g. from select * from TABLE where Period = ...
2
votes
1answer
14 views

Quartiles from Raster Layer band

I'm building a plugin from QGIS, and I need to extract the values from the quartiles from a band in a raster layer. Does anyone knows how it is done?
1
vote
0answers
22 views

QGIS Composer keep reference after reloading layers

I have written a plugin which loads a bunch of geojson data via REST for a specific region, which is selected by the user, afterwards generates some vector grids over the extend and styles all the ...
0
votes
1answer
23 views

Spatialite union more than two layers / tables

Is there a way to union or collect any number of layer geometries with Spatialite (or another spatial database)? Two is simple enough, but more than that becomes convoluted. For example, if all I want ...
0
votes
1answer
31 views

Geotools : adding multiple points to the same layer

I've got a java Swing application which loads a shapefile and draw a map. Now I need to allow the user to click on the map and add points. I've successfully completed that with the following code. ...
4
votes
2answers
54 views

How to get layers in x number of subgroups?

I have a project which has dozens of groups and subgroups. E.g.: Main_Group > Sub_Group_1 > Sub_Group_1A > Layer_1A > Layer_2A How can I access ...
1
vote
2answers
29 views

Repair data source for all layers simultaneously using QGIS

In QGIS 2.12 i opened a map after i changed it location in the hard disk. Hence, all layers must be repair. I know the option to fix every layer separate, but i didn't find an option to "repair data ...
1
vote
1answer
26 views

Creating new layer using selection from attribute table in QGIS?

How do I create a new layer using a selection from an attribute table in QGIS 2.10.1? Previous answers on this topic do not help -perhaps because they relate to older versions of QGIS
-3
votes
3answers
35 views

Cannot find data source to set data source for layers in MXD?

I got some data in mxd format and when i try to open it: I tried to set data source but i cannot find the data source because the orginal file was saved in H:\drive and i do not have h drive on my ...
0
votes
0answers
10 views

How to divide bitmap into differnet layers by RGB color code in MapInfo

I have got bmp file with 7 colors. How to get from this bitmap 7 different vector layers depending on RGB color code? For example first layer is water space with blue color, second is buildings with ...
1
vote
1answer
30 views

Leaflet: Panes and Popups

I have a leaflet map with a circleMarker layer that has a popup. This works as expected. dotLayer = new L.geoJson(dots, { pointToLayer: function (feature, latlng) { return ...
2
votes
1answer
37 views

Turning Text into Layer in ArcGIS for Desktop?

I am using ArcGIS 10.2.2 for Desktop. Can I turn the text boxes which I have inserted on my map into a layer which keeps the same aspect ratio with the map?
2
votes
1answer
33 views

save as Layer script not working

I've created script in Python for ArcGIS to save shape file as layer file..the code throws an error ERROR 000732: Input Layer: Dataset D:\core i 5 data\symon assignment\Swat\clipped\buffer.shp ...
1
vote
0answers
43 views

How to find a layer by name in the QGIS layer panel? [duplicate]

I have a large QGIS project organized with several groups in the QGIS layer panel. It happend to me a couple of times that, when the computer is operating with low resources (low free memory-high CPU ...
0
votes
3answers
83 views

Searching for changes of 2 layers based on geometry, Arcgis for desktop (ArcEditor

I´m trying to make a tool that would be able to compare 2 layers of any type (polygon, point, polyline) and find differences between them. Lets say i have a layer of roads (Polyline) from 2005 (layer ...
0
votes
1answer
19 views

Geotools : A layer to draw the traffic volume of a road

I have developed a standalone swing application loaded with a shapefile of a road network using geotools (v.14.3). Now I would like to implement a feature where the user may zoom the map, and at a ...
-1
votes
2answers
16 views

Exporting waypoints layers from ArcGIS for Desktop to Google Earth?

Is it possible to export waypoints Layer (ArcGIS) directly to Google Earth? I can export waypoints tables from MapINFO directly to Google Earth via EXPORT MAP TO GOOGLE EARTH tab.
2
votes
2answers
50 views

Using QGIS shapefile layer in ArcMap project?

I created a QGIS shapefile layer in QGIS that I want to give to a friend of mine for his ArcMap project. Will he be able to open and use my work?
1
vote
0answers
11 views

Geotools : Getting currently click layer from MapLayerTable

I've added a MapLayerTable to my application, and I'm loading multiple layers using shape files successfully. Now I would like to select features on the map of the selected layer. For this, I would ...
0
votes
0answers
11 views

ILayerFile.Open - The maximum record length has been exceeded

I have been able to use ILayerFile layerFile = new LayerFileClass(); layerFile.Open(layerFilePath); with out any problems until it just started giving me an error. Error: -2147220646 ...
2
votes
0answers
17 views

Trigger event after KML Layer completely loaded

I want to set the bounds of my map after a Vector (KML) Layer is loaded. kmllayer.events.register('refresh', kmllayer, function(evt) { map.zoomToExtent(kmllayer.getDataExtent()); }); In the ...
1
vote
0answers
22 views

Clip Layer Stack

I layer stacked the Landsat 8 Bands (1-7) in QGIS and made a polygon shapefile. Every time I try to clip my layerstack with the Mask layer I just get a completely black output raster. I want to use ...
1
vote
1answer
67 views

Looping arcpy.mapping.updateLayers()?

I've got some problems with the following code, found on this answer to Is there a way to auto-update symbology between .mxds for the same shapefile? (Python?): import arcpy.mapping as mmap mxd = ...
1
vote
0answers
52 views

arcpy symbologyType is always OTHER, but I need UNIQUE_VALUES

I am trying to load a TIF file to the mxd using arcpy, then add a definition file to map colouring. For one layer I have the problem, that the amount of values will always be different, sometimes it ...
2
votes
1answer
27 views

Get layer's “Feature Type Details” using geotools

I'm trying to do something like this: Check Geometry Type of a Shapefile Using GeoTools? ... but getting from a layer (Shapefile source) in Geoserver. In short, how can I get the data from this ...
0
votes
0answers
20 views

Draw nearest points for specific point-line couples

I have a network made of several segments and some nodes located in the map. What I want to do is to choose individually a couple node-segment and find the location of the closest point to the node ...
1
vote
1answer
37 views

I only know how to turn off the entire current layer. But I want off only some of the layers specified

I only know how to turn off the entire current layer. But I want off only some of the layers specified #turn all layers in current map doc on: print "Button2--turn on layers" mxd = ...
1
vote
1answer
28 views

Simple answer: Difference between a dataset and a map [duplicate]

For a project I am involved in, we are creating a dataset that will show the extents of natural areas and provide an estimate of the ecological integrity of that area. We are calling it an "Ecological ...
1
vote
1answer
74 views

ArcGIS 10 arcpy to add a WMS Service to MXD

I want to batch insert WMS layer to my arcmap MXD project with python/arcpy script. Some issues has been unanserwed, here my "state of art": ESRI IDEAS ESRI GeoNet community #1 ESRI GeoNet ...
1
vote
0answers
27 views

Avoiding lost layers when using QConsolidate?

I want to save all the files in my project and the project file locally on my computer. The files are currently saved on a external hard drive. I have tried QConsolidate before, and it worked, but ...