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Questions tagged [layers]

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 topics for a map.

-1 votes
1 answer
517 views

Setting layer properties using Python Init function?

Is it possible to set the layer properties Python Init function field programmatically? I've been looking through the qgis 2.2 api but can't seem to find anything on it.
user30543's user avatar
-1 votes
1 answer
842 views

Split by attribute automatically on several layers in QGIS?

I need to do a 2 stage split by attribute, using QGIS 2.0.1-Dufour. After the first split, I got 30 layers. Is there any way to do the second split automatically? I don't really like the idea to ...
Mpk1's user avatar
  • 1
-1 votes
0 answers
38 views

Option to Turn Off All Layers in Experience Builder Bookmarks

I have an Experience Builder Web App with an AGOL Web Map connected to it. The map has its own bookmarks. We had it setup in the Experimental Builder so users could click on a bookmark tab and zoom to ...
TheOmoSlide's user avatar
-1 votes
1 answer
75 views

Looping through dictionary to update Hosted Features in a Pro doc

I am trying to update a dictionary of hosted feature layers, the key is the layer name, and the value is the SDE path of the layer where the updated data will be truncated and appended with. For loops ...
hBiery's user avatar
  • 13
-1 votes
1 answer
329 views

Get existing layer by name from map having multiple map/feature services in ArcGIS Javascript API 3.x

I want to get existing layers from map and toggle on the visibility of the layers. The map has multiple services. I have the rest url for the service or the layer. And able to access the layer by ...
Venkat's user avatar
  • 79
-1 votes
1 answer
154 views

Making Grouped Layers in ModelBuilder using ArcMap

I started using ArcMap 10.4 just a few weeks ago, I've started to get a handle on the ModelBuilder however I can't seem to make the layers I export be automatically grouped. So far this is the most ...
Sam R's user avatar
  • 1
-2 votes
3 answers
302 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 ...
amin's user avatar
  • 21
-2 votes
1 answer
479 views

ArCGIS pro crashes when using addLayer or insertLayer

I made a script which runs from ArcGIS geoprocessing tool. The script makes a output_layer.lyrx based on the operation selected by user and there is function addtoproject() used to add the ...
Abhijeet's user avatar
-2 votes
2 answers
119 views

Converting all layers to Excel using ArcPy?

I'm trying to convert all layers in a folder to excel tables and keep the same file names. Here's what I have so far and the error I got. arcpy.env.workspace = "C:/layersFolder/" layers = arcpy....
Jotter's user avatar
  • 153
-2 votes
1 answer
2k views

What causes the "could not create destination layer" error when creating a heatmap?

I'm using QGIS 3.16.1. When I try to make a heatmap I got an error message saying "Could not create destination layer." I then tried using a smaller row and column size, and it runs the ...
DanG's user avatar
  • 617
-2 votes
1 answer
67 views

What Kind of Layer to Add Building Info? [closed]

I am new to QGIS (two days ago) and have been given a task to identify buildings, store info on them (building year, color, road type) in a layer and then export the info in a CSV file. I have fuddled ...
Lori Torvig's user avatar
-2 votes
1 answer
416 views

Load multiple layers into multiple maps - python [closed]

import arcpy import arcpy.mapping import os import sys from arcpy import env #import string env.workspace = r"G:\GIS" mxds = arcpy.ListFiles("*.mxd") lyrs = arcpy.ListFiles("*.lyr") for maps in mxds:...
Minister Asenso's user avatar
-3 votes
1 answer
2k views

What is the problem?

After running raster>conversion>polygonize (raster to vector)I was given the following message in qgis 3.4.4. What should I do? Processing algorithm… Algorithm 'Polygonize (raster to vector)' ...
Ferenc Mics's user avatar
-3 votes
2 answers
55 views

Layers missing at project start-up

Does anyone know what is the problem?
Roby5's user avatar
  • 190
-3 votes
3 answers
3k views

How often do the City or County GIS Parcels data update? [closed]

How often does the county, or city GIS department update their parcels on their GIS data ? Because I asked, the county GIS parcel data on their interactive online does not mention their date of when ...
PROBERT's user avatar
  • 4,139

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