Questions tagged [data-frame]
A map element that defines display properties for one or more layers in ArcMap.
147
questions
0
votes
1answer
22 views
Cannot coerce class to a data.frame
I'm using R to run a random forest to predict the distribution of sediment classes in a study area. I have a .csv of the locations where sediment has been sampled, and rasters of all my predictor ...
0
votes
1answer
69 views
Dataframe object is not callable
I have a dataset contains latitude, longitude and temp. I tried to draw a contour map of temp based on latitude and longitude on the world map. I need to mark the contour line intervals also in the ...
1
vote
0answers
15 views
How can I let R recognize my mosaic as a data frame so I can use the ggplot2 package in R
I have various climate projections for different values such. I extracted the certain values I needed using the brick function. Afterwards I took the average using the mosaic function. I want to use ...
0
votes
1answer
25 views
Exporting data frames in layout into unique PDF for each using ArcMap
I have an MXD with 2 data frames.
How can I export each Dataframe as a separate PDF?
2
votes
2answers
85 views
QVariant error when converting DataFrame into attribute table using PyQGIS
I have a df which looks like that:
ID
Happy
0
Very
1
Little
I'm trying to convert it into an attribute table:
headers = [col for col in df.columns]
fieldlist = QgsFields()
fieldlist.append(...
0
votes
0answers
29 views
Updating layer in corresponding data frame in single MXD in ArcPy
I have a shapefile and a layer file. In the shapefile, I am updating the last column using a .dbf file, which has numeric values. So, the last column of the shapefile will be updated five times and I ...
1
vote
0answers
25 views
Extract time series from CFSV2 Google Earth Engine Python
I'm trying to export to a dataframe the time series of the CFS model for the maximum temperature since 2000 for any latitude/longitude, but I have a Time Out problem. So, I tried a for each year and ...
1
vote
1answer
31 views
Iterating and updating through feature class fields based on DataFrame using ArcPy
I am updating mismatched data across two systems and have an Excel sheet that combines a consolidated data set. Unfortunately I do not have a reliable join field to relate this back to my GIS data.
I ...
2
votes
2answers
205 views
Appending DataFrame to existing layer in GeoPackage
I have scripts to download and extract two shapefiles every 24 hours and create a cleaned DataFrame. I want to append the DataFrame for each one to a specific layer in a gpkg. The only example I can ...
0
votes
0answers
95 views
ValueError: 'ITEM' is both an index level and a column label, which is ambiguous
I'm trying to process some data, with geopandas0.9.
Here is my code:
locations = select_polygons.groupby(class_col).apply(lambda x: \
sample_locations_from_polygon(x, sample_on_boundary='...
0
votes
1answer
22 views
Exporting 3 layers together as JPEG using Data Driven Pages
I'm trying to use data driven pages to export JPEGs of features that share a common attribute.
E.g. I have two point layers, "beach" and "light". And a polyline that connects them, ...
1
vote
1answer
192 views
Placing multiple data frames in a single map layout in ArcGIS Pro
I am trying to prepare a layout for my study area by method showing country to state to city in ArcGIS Pro, but all the data frames are showing the same area and when I try to change the data, the ...
1
vote
1answer
302 views
Transform Google Earth Engine script to Python with Landsat 8 temporal data
I am doing a study for my work and I need to adapt my Google Earth Engine script in Python, but I am encountering some problems.
Here is a Google Earth Engine script:
//Importing image and geometry:
...
2
votes
1answer
97 views
Create one id variable for each dataframe in a list of dataframes with name of each dataframe
I have a list of dataframes. For each dataframe I want to create one new variable or column called uniqueid and I want this unique id to be the name of the dataframe from the list. I have tried the ...
-2
votes
1answer
28 views
How to change column value by matching row value in data frame?
Say I do have the following table
| longitude | latitude | temperature | label |
|-----------|----------|-------------|-------|
| x | y | z | 1 |
| p | q | ...
1
vote
1answer
29 views
Exporting data frame as PNG after adding Layer File using ArcPy in ArcMap
My question relates to the answer found at Exporting data frame as PNG in ModelBuilder using ArcMap
I've followed the steps in the answer provided by @PolyGeo, but my output PNG is just a blank image.
...
2
votes
2answers
53 views
Getting names and numbers in specific vectors from a dataframe in a loop R
I have a huge DataFrame, in which I need to extract some information that generates filenames that I need to search in my working directory later, I also need the value in each cell of the pixel ...
2
votes
2answers
79 views
Selecting attributes by coordinates from DataFrame in Python
I wonder how to return the right information needed from this df. Currently I get an empty return. I think the problem is my selection because the coordinates are correct and all variables are as well....
3
votes
1answer
167 views
Can't Form DataFrame from Parallel Offset Output
I've been developing code to take a .csv with lat-long coords and convert them to LineStrings before creating parallel offsets for them. This has been working so far, but yesterday after clearing my ...
2
votes
0answers
38 views
Not able to extract values from raster TIFF in EPSG:26912, but can in EPSG:4326?
I have an elevation file (.tif) in EPSG:4326 and point data for wildfire occurrence in the same projection. When I use this projection, I can use the following code to extract the elevation value, for ...
1
vote
1answer
199 views
Extracting polygon information from KML file into DataFrame
I have KML file from downloaded https://data.gov.sg/dataset/electoral-boundary_2020. As you can see on the website, there are 31 sub-polygons and each of them has a label. I have loaded the KML on R.
...
2
votes
1answer
994 views
Converting DataFrame with geometry column into GeoDataFrame in Pandas
I have this DataFrame:
In [120]: a
Out[120]:
a b c
0 111 333 [POINT (0 0)]
1 222 444 [POINT (0 0)]
I am trying to convert with the next line, but it fails:
In [125]: b = ...
0
votes
1answer
50 views
Restructure data.frame By Date Values in R [closed]
I have a data.frame in R shown below..
This data.frame summarizes counts by week for every year in a time series dataset.
I am now trying to rearrange this matrix such that the years (2001-2020) will ...
-1
votes
1answer
22 views
What will be the coordinate system of base map layers added if the the coordinate of layer frame properties is MUTM in ArcGIS?
My coordinate frame is in MUTM that I have created. I have added base map layer and I want to know what coordinate system will it use.
1
vote
0answers
85 views
Export to PNG produces wrong color background (but not for JPG)
I need to export a map as a PNG image, but when I do the background, which is supposed to be white, comes out gray. This also happens when I export it as a TIFF or EMF, but not as a JPG.
I have tried ...
0
votes
1answer
271 views
Convert multiband GeoTIFF to dataframe using all bands (R, Python or QGIS) [closed]
I have a GeoTIFF file with 2 bands and I want to create a dataframe like this:
pixelID | band1Value | band2Value
I would like to do it in R, Python or QGIS.
As far as what I have searched, I could ...
2
votes
1answer
888 views
GeoPandas gdf.geometry.buffer for spatial join
In that part of the code I'm creating geodataframes (only point features) out of two CSV files. I want to merge all points from the two dataframes within a range of 150m. Therefore I create a buffer ...
0
votes
0answers
132 views
List of sf-object into one sf-object
that's a really simple question but I am kind of stuck with it. I have a list with multiple sf-objects and I want to put all sf-objects (dataframe) under each other and build one final sf-object. How ...
2
votes
1answer
61 views
Apply different symbology layers to different dataframes with arcpy mapping?
I have one shapefile, which I want to create a map of with 3 different data frames (showing three different attributes of the shapefile) on one map. I have 3 separate symbology layers files saved to ...
1
vote
1answer
382 views
How to import raster from PostGIS into Python as dataframe
I am trying to import the raster from PostGIS into a raster for further analysis. I know that I should use psycopg2 to connect to DB, but I do not know how to query the raster from DB, and then ...
2
votes
1answer
417 views
Add a timestamp to a dataframe in Python/Earth Engine
I came across an example kindly shared on youtube by Madhu Mysore. Here is the link: https://www.youtube.com/watch?v=IGUYSeoeHhg&t=2105s.
I changed the code as I am not interested in regions at ...
1
vote
1answer
287 views
Removing labels from inset areas within main data frame
I have three inset maps (separate data frames) within my map. I want to not label the buildings within the inset map extent on the main data frame, but keep labels outside of the inset extent. If it ...
3
votes
1answer
575 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 ...
1
vote
1answer
25 views
How to determine column value based on lowest value from other column? [closed]
I have the following dataframe with same value in 'nearest_beacon' column but different distance in 'vms_distance' column.
My Dataframe:
nearest_beacon vms_distance associated
4548780 0.486456 ...
0
votes
1answer
43 views
Dataframe data handling or SQL Query in ArcMap
I'm trying to perform an SQL query in ArcMap with the following data set, and I have not been able to solve the problem.
The idea is to keep all the information of the columns, but for example if the ...
8
votes
2answers
796 views
Read N number of rows from shapefile using GeoPandas
Pandas has a parameter nrows for selecting how many rows will be read into the DataFrame.
Does GeoPandas have a similar parameter? Couldn't find in the documentation.
2
votes
1answer
257 views
Placing data frame as inset on only one page of Data Driven Pages map book?
I am using data driven pages to make a 5-page mapbook of an area. There is also one far-away site that I wanted to include an inset of on the first page of my mapbook (near to where it is). However, I ...
2
votes
0answers
223 views
Rotating symbols by Data Frame coordinate system in ArcGIS Pro?
Is it possible to ensure that symbols rotated by attribute (compass azimuth) retain their proper orientation when the Data Frame coordinate system changes?
Answers have been provided for this issue ...
6
votes
2answers
4k views
Convert SpatialPoints to SpatialPointsDataFrame
Give an object x of class SpatialPoints how do I convert it to a SpatialPointsDataFrame ?
class : SpatialPoints
features : 50
extent : 3187836, 3827836, -489229.3, 950770.7 (xmin, ...
0
votes
4answers
3k views
QGIS Data Frame Clipping for Basemaps
In ARCGis its possible to Clip your Data Frame so you just see the Data within the defined area. Like shown here:
https://www.cdc.gov/dhdsp/maps/pdfs/GIS-Tips-Data-Frame-Clip-Function.pdf
With this ...
0
votes
0answers
115 views
Switching Between GCS & PCS in a Data Frame For Accurate Acreage/Distance Measurements
I'm working with a data frame that contains multiple layers; data frame and layers all use a GCS (WGS_1984). On one layer in particular, I want to be able to draw and measure the acreage of polygons. ...
2
votes
0answers
663 views
Pan and Zoom via mouse not working in New Data Frame?
Inserted a new data frame for a small overview map in the corner of my display. Left click and selected properties, set the same coordinate system as the larger display, set the Extent Indicators to ...
0
votes
1answer
79 views
Associating Inset Map with Layer using ArcPy?
I'd like to only display an inset map, inset map scale bar, frame and leader if an associated layer is displayed. Similar to Associate Point Layer, Annotation Group and Line Layer in Map Legend but ...
0
votes
1answer
51 views
Associating Inset Map with Layer?
I'd like to only display an inset map, inset map scale bar, frame and leader if an associated layer is displayed. Similar to Associate Point Layer, Annotation Group and Line Layer in Map Legend but ...
3
votes
1answer
2k views
Add Date to raster layers in raster stack in R
I have a raster stack and I want to add to it a Date field which will include the year-month-day for every rasterlayer. I have my dates in a one column data.frame.
I tried to do this with addLayer ...
2
votes
1answer
879 views
Calculate mean values for all bands and date to a dataframe
I have 5 rasters, each having 10 bands, where each band corresponds to a specific date.
How do I calculate mean values for all 10 bands and save them?
I need to save the mean values in a dataframe ...
1
vote
1answer
165 views
Moving/Reprojecting raster to a different central meridian?
I have a raster set to 0-360E projected using WGS:1984.
When I modify the Data Frame Properties GCSWGS1984 to a custom meridian of 180, the raster does not move. The polygon of the continent moved ...
-1
votes
1answer
84 views
Removing layer from specific data frame using ArcPy gives IndexError?
I work on several maps- each map has different number of data frames (several maps had only 1 or 2 data frames). with this code i try to remove layer "frame" from the third data frame only. I want ...
1
vote
0answers
917 views
SVM classification in R
I have the following dataframe containing training data to be used in a SVM classification. The first column ID must be avoided and the column Class contains the response variable.
> training_S
...
1
vote
1answer
913 views
Calculating Median/Quantile of Rasterstack and converting Results to Data Frame in R
I have a Raster Stack with 32 Raster Layers. What I want to do is to calculate the median for each Raster and also the 0.25 and 0.75 quantiles. Then I want to convert the results into a dataframe.
...
