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.
2,298
questions
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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.
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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 ...
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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 ...
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votes
1
answer
75
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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 ...
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votes
1
answer
329
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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 ...
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votes
1
answer
154
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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 ...
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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 ...
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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 ...
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votes
2
answers
119
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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....
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votes
1
answer
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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 ...
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votes
1
answer
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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 ...
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votes
1
answer
416
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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:...
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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)' ...
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votes
2
answers
55
views
Layers missing at project start-up
Does anyone know what is the problem?
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3
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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 ...