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18 views

Optimize the code for one command with only one different parameter

I am not too familiar with ArcPy/Python, but since some commands are only available in ArcGIS, I try to implement my idea using ArcPy. I want to use a command several times, but each time only with a ...
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1answer
63 views

Iteration in GEE (List Error)

I am writing a code that calculates the number of burned patches in a study area. The process is based on iterating over a list of numbers. Code: Link var country = ['ZA']; var geometry = ee....
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1answer
87 views

Unlist into a single Object - Google Earth Engine

I'm new to GEE and Java scripts. I'm trying to do something that seems simple, but cannot find any way to do it. I’ve an image (which is not that big, say 100 km * 100 km) with ~ 12 bands (and a 30 ...
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1answer
67 views

Dissolve ArcGIS Pro Python doesn't take string variable for field list

I try to dissolve layer having multiple fields statistics calculated. I prepared a string variable which has all the information in it. When I paste printed variable into dissolve it works. However I'...
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2answers
330 views

Using writeOGR on a list of SpatialPolygons

This question has been asked before, but I find the answer confusing since there are no reproducible examples that link the question and the answer, and the answer doesn't actually use the writeOGR ...
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1answer
112 views

How to accumulate in the image collection in Google Earth Engine

Here is an image collection [img1,img2,img3,img4,img5]. I want to get List or image collection [img1, img1+img2,img1+img2+img3, img1+img2+img3+img4, img1+img2+img3+img4+img5]. I tried to complete the ...
4
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1answer
442 views

Create a new list from a raster list in R

I am very new to R, so this is tough for me to explain. But, I have a raster list made up of 3872 elements (or separate rasters, I am guessing) and I am hoping to make a new smaller raster list by ...
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1answer
233 views

How to make the data in the list add up in Google Earth Engine

I am new in Earth Engine. Here is an image collection [img1,img2,img3,img4,img5]. I want to get List or image collection [img1+img2 , img2+img3, img3+img4, img4+img5]. I tried to complete the ...
3
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1answer
92 views

Insert Cursor Having an Issue With Reading the Syntax of a List

In my code below, how do I get the Desired Output? # Get a list of all 'SITE_NFID' in the dashboard_site_summary table that don't have a match in the nfid_fqn_associations table ...
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2answers
90 views

Difficulty with select by attributes using list fields in for loop

I am trying to add fields to a table and then populate the fields with text values (Yes/No). The text values are based on whether or not a species was found in a specific block. If the species was ...
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0answers
137 views

Using Python dictionary as parameter and variable in Python Toolbox tool of ArcPy [closed]

I'm building a feature class merging and comparing toolbox in arcpy, ArcGIS 10.7. I have a working command line utility with fixed featureclass values, and now I'm building this toolbox, I just copy ...
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1answer
230 views

Rasterize vector based on list values in Google Earth Engine

I would like to convert polygon (as featurecollection) that has the attribute 'Name' which contains string value of plantation types, namely 'Rubber', 'Mango', 'Coffee'. However, the .reduceToImage ...
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2answers
174 views

Using list of file paths in function arcpy.ListFields to create multiple lists of field names for each shapefile

I have a list object that contains file paths as text. I named the list object filepathlist. An example of a file path within the list is C:\TestFolder\Folder1\A\address_pt.shp. The file paths lead to ...
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1answer
54 views

Copy feature class from multiple gdb to a single gdb

I need to write a Python script that is copying. I want to copy a common feature class of these gdb to a single gdb import os import arcpy arcpy.env.workspace = ("D:/Planchas") workspaces = arcpy....
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1answer
64 views

Calculate field with a value in a list based on field [closed]

I don't want to write an if statement for every field. I want to know if there is another way to field calculate each field with the values related to it in this example table: Fields (X,Y,...
2
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1answer
42 views

Error in create list of the images new names

I have code that calculates NDVI and then give each image name based on the date.I want to create list after that that will contain the names-dates of each image, but I keep getting the following ...
2
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2answers
64 views

Is there any way to force a loop to go until the last list object in R?

I am running a loop in R to rasterize a list of data frames and for comparison purposes I have to keep the same list length in the output. I am facing some problems with NULL objects on the list. I ...
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0answers
444 views

Export landcover area after classification - Google Earth Engine

I want to make a time series analysis of landcover change with Landsat 7 images. After I classified them using MODIS land cover classification, I want to export the change in land use. For this, I ...
1
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1answer
262 views

Getting attributes from features in list of another table using expressions in QGIS

The goal seems simple, the explanation not, but I try to: On the one hand, I have a table with several objects ("objects_layer"). On the other hand is a table with a list-field ("list_layer"). I wan'...
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2answers
922 views

Get all related attribute values from features in list (QGIS)

According to this question: Get Attributes from 1:n relation in QGIS as Expression to use in Atlas I try to bulid waysigns for a hiking-GIS using the QGIS Atlas. The user should be able, to choose the ...
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1answer
132 views

Spatial reference data from all layers in MXD

I have a MXD with many group which has many layers. I have tried to get coordinate system data from all layers with the code from Iterating through layers in mxd and describing coordinate system. So ...
2
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1answer
504 views

ArcPy - List layers and list fields in one code

I am trying to combine ListDataframes, ListLayers and ListFields in one ArcPy code. I can do it one by one (first list layers in one code, and then list fields in second code), but I am trying to do ...
2
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1answer
2k views

Exporting Lists from Earth Engine

I am using code from the emapr lab to learn to use LandTrendr to get mean NDVI values per year for a geometry. I am trying to export the generated list from earth engine to Drive. The list only ...
2
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0answers
190 views

Get coordinates of all pixels in a raster [closed]

I have a georeferenced raster and I need to extract a list with the coordinates of pixel in reference system (EPSG:32631) and the coordinate of pixel in raster reference. I want a list like this (...
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2answers
261 views

Cell Statistics Error 000864: Overlay statistic: The input is not within the defined domain

I am trying to find the sum of a list of rasters using Cell Statistics in ArcPy. I am getting the following message: 'ERROR 000864: Overlay statistic: The input is not within the defined domain.' I ...
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1answer
70 views

Subsetting single raster from raster list using ArcPy?

I have a list of rasters, created by arcpy using ListRasters. Rasters are stored in a geodatabase. How can I subset only one raster of the raster list? The goal is to make a new list, but containing ...
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1answer
85 views

Selecting columns in from an attribute table in ArcPy using a list (rather than slices or indices)?

I have seen this answer to Calling specific columns of attribute table using ArcPy?, but it uses a slice to select columns. I would like to select them using a list. Example code that doesn't work: ...
1
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1answer
33 views

ArcPy search data from a list of values

I have a list WRL_ID = ['NW-E8-105151', 'NW-E8-105138'] and I am trying to search these values in a field called ID. If the value exist, print 'It's in SDE', if not, print 'Not in SDE'. Right now ...
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3answers
736 views

Concatenating list of strings using ArcPy?

My code from Returning strings showing all vertices from all polygons in shapefile using ArcPy? creates is the following: import arcpy fc=r'D:\GIS Data\TOOLS\EV calc in Python\Data.gdb\PolyWGS842' ...
2
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1answer
215 views

Returning strings showing all vertices from all polygons in shapefile using ArcPy?

I want to have a string showing all vertices from all polygons in a shapefile. In my example below my code lists all vertices and the first column shows the polygon they are part of (I only have 2 in ...
2
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2answers
209 views

FME-SQL where ID in id.list

I extracted and transformed worksite records from a Oracle dB and stored them in a PostGIS dB. There are about 700 worksite records having a unique ID. I need to extract additional worksites from the ...
0
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1answer
177 views

Split list by chunks Earth Engine with mean

I am calculating mean temperature data based on historical data. I need to calculate the mean through the years (jan-jan-jan-jan...) and the means within a year (jan-feb-mar-may-jun...). This is ...
1
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1answer
382 views

List of small lists in Python: How to retrieve items from small list in a loop?

I would like to automate the process of making some certain feature layers. I made a list of lists that goes like that: [[feature class, subtype],[feature class,subtype],...] I'd like to loop ...
1
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1answer
62 views

Using Python Lists in Calculate Field Code Block? [closed]

I'm looking for some help in explaining what exactly is occurring with the following code: MaterialLife = "LifeMaterial(!"+Material+"!)" codeblock2 = """def LifeMaterial(mat): material = {"ABS":...
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1answer
328 views

arcpy.da.SearchCursor storing data in a list with a query

I am currently working with a database that hold street names, x and y coordinates and many more fields. I would like, through a search cursor, to store the x,y coordinates in a separate list for ...
0
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1answer
209 views

Google Earth Engine: Extract rule based values from List and Array

I'm wondering how to extract values from a ee.List and ee.Array that meet a certain criteria in the Google Earth engine environment. var array1 = ee.Array([1,1,2,2,3,3,4,4]) var list1 = ee.List([1,1,...
1
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1answer
10 views

No visable Difference between two Lists for Visualisation via Palette creating an Error

I want to Visualize a Landcover Classification I have different success with seemingly identical Lists. List 1: Pallette Parameters inside the Code like: var landcoverPalette1 = [ 'E6004D', //...
0
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1answer
38 views

Selection by attribute from list

I need to select a layer with all attributes while the selection comes from a table. With my code I get only empty feature classes and emtey Excel files. The tab_list Elements are the selection value. ...
2
votes
1answer
893 views

How to load an image asset from a list of assets in the folder?

I have a folder in my Assets that contains 44 images. I want to add them to the Map in sequence. However I'm getting an error that I can only create an image that is a constant. var image = ee....
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2answers
51 views

If field 1 > field 2 update field 3 in loop

I am trying to update the table above. What I want to do is if the values in the PMP fields are less than the Max fields update the check fields with PASS, if not FAIL. I started doing this trying ...
1
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1answer
3k views

Earth Engine get dates from imageCollection

I try to get all acquisition dates of my ImageCollection in Google Earth Engine Code Editor. var begin = ee.Date.fromYMD(2017,1,1,'Europe/Berlin'); var end = ee.Date.fromYMD(2018,1,1,'Europe/Berlin');...
1
vote
1answer
75 views

Exporting string and float variables to ASCII file using ArcPy?

I am trying to create a script using arcpy to automate a serie of task in ArcGIS. What I am trying to do is to interpolate rainfall data from a region and then, using hydrological basinshapefiles, ...
2
votes
1answer
460 views

Creating drop-down list from dynamic field values in ModelBuilder?

I am trying to create a drop-down list containing all the values from a particular field, that I can use as an input for the Select by Attributes tool in ModelBuilder. The answer I’ve seen to ...
2
votes
1answer
1k views

Google Earth Engine, get a List of Bands

I want to Automate Band selection for all bands. Therefore a List of the Bands is needed. This didn´t work: ee.List(image.get('bands'))
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2answers
771 views

Raster operations in a raster list in R

I have a raster list (21 in total) S1 that have the same projection, resolution but not exactly the same extent. Due to this difference, I cannot stack them without solving the extent/dimensions ...
0
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1answer
842 views

ListFeatureClasses() got an unexpected keyword argument 'feature_type' in Python 2.65

I am trying to run some code that works fine in Python 2.7 +, but seems to throw an error in a 2.65 environment: Error: ListFeatureClasses() got an unexpected keyword argument 'feature_type' ...
0
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1answer
59 views

Use two lists as input to Spatial Join in ArcPy? [closed]

I am trying to determine a method for conducting a spatial join on features from two separate feature datasets based on the first three letters of each input feature (A01_road == A01_gps). import ...
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0answers
229 views

numpy array coordinates to polyline in shapefile Python

I am calculating the shortest path in a numpy array which was converted from a raster (.tif). I have a list representing a path like [(1,3),(2,3)(3,3)]. How can I transform this into a polyline in ...
1
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2answers
12k views

Arrange pair of coordinates in Python lists [closed]

I have these coordinates of a bounding box in this format: (51.901071, 7.543488, 52.002215, 7.692406) and I want to convert it into a list of coordinates so that I can iterate through the pair. The ...
1
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1answer
134 views

Export arcpy.ListFeatureClasses to txt for later use

I have to re-project all Feature classes of a very large .sde. In order to iterate through the whole .sde I'm using arcpy.ListFeatureClasses. Getting all Feature classes into the Feature class list ...