TransWikia.com
  1. All Categories
  2. Geographic Information Systems

Geographic Information Systems : Recent Questions and Answers (Page 78)

Find answers to your questions about Geographic Information Systems or help others by answering their Geographic Information Systems questions.

Drawing tools to add circles, arrows, lines for QGIS?

I'm pretty new in QGIS and i'm searching a drawing tool like it is possible to find in microsoft word or excel. I search something very user friendly (for...

Asked on 08/19/2021

4 answer

Zoom to a plot with GeoPandas based on data from CSV and shapefile

Here is my code:import pandas as pdimport numpy as npimport matplotlib.pyplot as pltimport descartesimport geopandas as gpdfrom sklearn.cluster import KMeansfrom sklearn.preprocessing import MinMaxScalerfrom sklearn.decomposition import PCAfrom shapely.geometry import Point,...

Asked on 08/18/2021 by user3821656

1 answer

Why does ['access' !~ 'no'] filter out ways with access = unknown in Overpass?

If I use this query in Overpass[out:json];area[name="Squirrel Hill"];way(area) ['access' !~ 'no'];out;then this way (OSM ID 11947323) is not in the result set.However, if this...

Asked on 08/18/2021 by cmot

1 answer

QGIS 3.18.3: Reshape Feature - Cut from Polygon with Ellipse

I have basic polygon/rectangle which, I would like to cut part of it using Reshape Feature. All works good when, I do the reshape by drawing another polygon, which cuts...

Asked on 08/18/2021 by bel

0 answer

Choosing weight for red, blue and green using Pan-Sharpened-Raster-Dataset of ArcMap

I am pan-sharpening satelite image using the ArcMap tool Pan-Sharpened-Raster-Dataset. What weight should I use for red, blue and green and how I can decide about that?...

Asked on 08/18/2021

0 answer

OL-Cesium improve tileWMS quality in very high zoom level

I'm developing an application which is based on OpenLayers v6.5.0. OL-Cesium 2.11, Cesium v.177 and GeoServer v2.17. The scale of the map view is very large. The camera height is...

Asked on 08/18/2021

0 answer

Error: "No route from location 1 to 2"

I want to find the shortest route connecting three points on a map.I built up a road network, I snapped three points on the road. I got this error:...

Asked on 08/18/2021 by ales.singli

2 answer

r.viewshed.cva error: No points found, nothing to be exported

I need to do an intensive viewshed and I am going to use our university SCC (Linux). I am running a test viewshed with only 13 observers (just to build...

Asked on 08/18/2021

2 answer

Automate making imagery index layer

I am wanting to come up with a way to speed up my Imagery Index layer.To give you an overview I have about 500 imagery files. They cover extents...

Asked on 08/18/2021

1 answer

LiDAR data is displaying in wrong position

I spent most of today, unsuccessfully, trying to understand a LiDAR dataset. The dataset is from the Texas Natural Resources Information System and is identified as the Buffalo Bayou...

Asked on 08/18/2021 by Carl Huxohl

0 answer

Ask a Question

Get help from others!

© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP