A geographic information system (GIS) integrates hardware, software, data, and people for capturing, managing, analyzing, and displaying all forms of geographically referenced information. GIS allows us to view, understand, question, interpret, and visualize data in many ways that reveal relationships, patterns, and trends in the form of maps, globes, reports, and charts.
Questions tagged [gis]
26 questions
6
votes
1 answer
mysqldump alternatives --hex-blob doesn't convert geometry binary columns to hex
I'm trying to create a mysqldump in utf8 encoding. The table I'm trying to dump contains geometry columns. Now, when I use the --hex-blob option, the geometry columns don't get converted to hex. Are there any command line alternatives to mysqldump…
WindsurferOak
- 161
3
votes
3 answers
alternatives to google maps for large-scale GIS viewers?
I would like to view a map of Indonesia / Australia / New Zealand like Google Maps, except that I'd like to customize the layers viewed: I'd like to use a topographic/bathymetric basemap, and show lat/long grid lines.
I just downloaded Google Earth…
Jason S
- 7,944
2
votes
1 answer
How can I use Bing or Google Maps to show the traveled path?
I wonder if there's a functionality in Bing Maps or Google Maps that can present information of how I traveled on my bike. The input can be simply made by clicking on checkpoints and building the way manually or (even better), by some kind of…
Konrad Viltersten
- 1,383
2
votes
1 answer
Building new GIS Workstation - is it worth upgrading to a workstation GPU?
We are currently building a machine from scratch to act as a GIS workstation. The primary software used is ESRI's ArcGIS and we are mainly working with vector data using raster data only for contextual background imagery. In the past I have built…
bsigrist
- 1,165
2
votes
0 answers
Can you use your own GIS shapefiles in Google Data Studio?
I am considering using Google Data Studio as part of an online dashboard, but I need the dashboard to show geographic data against my own customized regional areas. Can I pull in a GIS file such as a shape file, KMZ, etc. to do this with Google Data…
2
votes
1 answer
Syntax error when installing MapScript through pip
I am trying to install mapscript using pip and I get this error.
$ python --version
Python 3.5.2
$ pip --version
pip 19.0.1 from /home/vguide/.virtualenvs/floodsam/lib/python3.5/site-packages/pip (python 3.5)
$ pip install mapscript
Collecting…
xpanta
- 167
- 1
- 1
- 8
2
votes
2 answers
IF, LEFT, INDIRECT Excel function for PLSS section-township-range
I am a GIS specialist for a cadastral mapping company.
I'm running Office 2010 and I'm trying to build a function in Excel that derives the section, township and range from the 16 digit parcel identification number (PID) into individual columns. …
1
vote
1 answer
Problems using a batch file For loop to feed .tifs into a GIS process (gdal_polygonize)
Thanks in advance for your help with this.
I've been reading, experimenting, and banging my head against the wall for a couple days on this, and could really use some assistance. This is my first batch file attempt.
I'm trying to loop through .tif…
Vergentorix
- 11
- 4
1
vote
0 answers
Antivirus deleting files?
I am working with QGIS and noticed recently that some files (.shx) disappeared...
I read somewhere on StackExchange that an antivirus may "clean" some folders (I have Avira and CCleaner). Is it possible that one of them deleted these files?
How can…
Lily
- 11
1
vote
0 answers
Why Is the Display of a Raster in ARCGIS so Slow?
I would like to improve the time it takes to display raster data to the screen in ArcGIS. I work with a lot of DEM's and Lidar data and sometimes I will wait for 3 to 5 minutes just to display this data to the screen. And another 3 to 5 minutes…
Hydrad
- 11
- 1
1
vote
2 answers
RPC header not found despite being installed
I'm trying to install MB-system on my Arch Linux machine. I installed all necessary dependencies and have the package libtirpc installed.
When running the configure script, it ends with:
checking rpc/rpc.h usability... no
checking rpc/rpc.h…
Turtle10000
- 163
1
vote
1 answer
How are statistical maps made?
I see maps with all kind of statistics (gdp, population density, rain, exports, happiness) on the internet all the time. Usually they're only outlines (so they have no roads or buildings or whatever) because what matters is the colour indicating the…
entonio
- 145
- 1
- 6
0
votes
1 answer
How to convert .shp to ASCII in QGIS or R?
Actually I want to convert the shp file to .grd file. But before I convert the .shp to .grd, on my thinking, first I must convert the .shp into ascii. Is it possible to convert directly from .shp to .grd? if not, so I just want to know how to…
Din
- 1
0
votes
1 answer
How do I make this add-in toolbar button work in ArcMap 10.2 using the ESRI provided Python Add-In Wizard (i'm following a tutorial)
I'm following a tutorial here: http://resources.arcgis.com/en/help/main/10.1/index.html#/button/014p0000001z000000/
I have added the code to the .py file and installed the add-in using the makeaddin.py file and Test001.esriaddin file yet when I…
0
votes
1 answer
How can I align two images one of which has been warped?
Is there any software that can be used to warp two images so they can be aligned? I'm not sure, but I think is this is known as image registration or image rectification.
Background
I'm using Adobe Illustrator to draw a map of a nature reserve. So…
DaveAlden
- 141