Geographic Information Systems Questions, Problems & Solutions : TransWikia.com ~ Page 13

D8 algorithm to get flow direction in ArcGIS Desktop

I am using ArcGIS 10 for the get the flow direction from DEM. I wonder about the algorithm they have used while calculating flow direction. It is mentioned there that...

Asked on 12/06/2021

2 answer

Join a CSV file to GeoJSON using ogr2ogr in a Python script?

I have a CSV which I would like to join to a GeoJSON. I found this answer which I tried to implement but I can't get it to work...

Asked on 12/06/2021

1 answer

Batch converting NAD83 Z12 to NAD83 Z13

I have a need to to convert a CSV file that was surveyed in NAD83 Zone 12 to NAD83 Zone 13 coordinates, is there an online tool that can do...

Asked on 12/06/2021

1 answer

Highlighting most recent point in time slider playback using ArcMap

I am trying to put together a video where spatial points from an animal are displayed. However, many of these points are on top of other points and it...

Asked on 12/06/2021

1 answer

gdal_calc.py SyntaxError

I tried to use gdal_calc.py to avoid using the manual GUI raster calculator in QGIS. However, I'm not yet familiar with it and having errors with my code:gdal_calc.py -A...

Asked on 12/06/2021

1 answer

FME: How can I use File Copy Writer to periodically copy new data within my project folders to a server?

All I want to do is copy a set of folders (and sub-folders) under a 'Projects' master folder on my laptop to the server. I want to automate this so...

Asked on 12/06/2021

0 answer

Apply formatting of symbols from ArcGIS Pro to ArcMap

I have a layer with about 11,000 points. Each point is tied to a point in another layer. The relationship is more or less a parent/children type, where all children...

Asked on 12/05/2021

0 answer

Creating (x,y) coordinates in .nc from .grib2

I have to use a .nc file as input in a model and such model requires projection_x_coordinate and projection_y_coordinate as variables but I don't have them. Is it possible to...

Asked on 12/05/2021 by vicemagui

1 answer

Export map image in QGIS using a precisely defined area

I have to continuously export map images (of different layers) from QGIS to use them in Photoshop for further processing. Given that Photoshop can't deal with world files, I need...

Asked on 12/05/2021

1 answer

QGIS Python not resampling when using gdal warp reproject

I've got a Python script which, so far, is creating a nice DEM. I need to reproject it and then run a slope analysis on it. For the reprojection part,...

Asked on 12/05/2021

1 answer

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