Hi,

I’m working on a project to help inform an ordinance to register vacant properties. I want to show the correlation between vacancy and municipal resources being spent on those properties in the form of 911 calls and mowing and other expenses.

I have geocoded points of electric meter disconnects as a proxy for vacant properties.

I have geocoded tables of dispatch data, showing addresses or streets or intersections from which someone called 911.

How do I best visualize the correlation between these data?

What I have done so far:

1. Generate a tessellation
2. Count the vacancy points in each hexagon and visualize the symbology for darker hexagons with more disconnected meters
3. Symbolize the 911 geocoded points as a heatmap
4. Toy with transparency and colors of the heatmap and tessellated vacancy hexagon layers

I am wondering if there is a better way to visually represent the correlation between density of vacant properties and density of 911 calls. I can see that they already do correspond but I’m just not quite satisfied with the way it looks, and wonder if I’m missing out on something. What about blending layers? Something else?

Interested in your thoughts. Thanks!

Hi! I'm new to this so forgive me if I don't provide enough information.

I'm working with a non-profit to create a website that will hopefully act as a one-stop-shop for families with Autism. We've been collecting the locations of doctors, dentists, summer camps, therapy centers, and whatnot in our state that specialize in autism care (I have an excel sheet with 200+ locations, latitudes, longitudes, and other relevant info). We want to create a map with pins to these locations and we would like to be able to filter the locations by type, county, or maybe even "x miles from y address".
We were using a site called DataWapper and we really liked the interface and how it displayed the info but it limits how many points we can have to 100. Google MyMaps is a fallback but we don't really like how it displays the information.
If anyone knows of any similar types of applications that are free or fairly inexpensive I would really love to try them out. Thank you!

Looking for help w/ interactive map to teach new Firefighters street names. Ideally a blank street map that you can click on streets and fill in correct name. Does anyone have any guidance because I can’t seem to find an existing model like this. Thanks.

I am a student in GIS and working on a project to map the tree coverage along streets. I want to find the street tree coverage for census tracts and then compare it to median household income to determine if there is a correlation between the two. The idea is to measure the tree coverage (the area) along streets because this tree coverage has its own unique benefits compared to tree coverage in parks. I don't want park trees or those on private property to skew the results. I am struggling to wrap my head around how to go about this kind of analysis. I want to do this analysis for the city of Philadelphia so I have a large area to cover. I have a land use raster that shows tree coverage and streets among other things. Initially, I thought about separating the tree coverage and turning that into a polygon feature class. I have a street centerline feature class as well and thought I might be able to buffer the streets so that they cover the sidewalks and measure the tree coverage within those buffer zones. I realize this wouldn't be a very accurate way of measuring since street and sidewalk widths can vary a lot. I considered creating a polygon from the street raster and then buffering that by a certain distance (to include the sidewalk). But there would be gaps in the street where the tree raster overlaps the street so that would be excluding the very area I need to measure. Ideally I would like to create a polygon that includes the entire width of the street as well as the sidewalk that runs next to it (but not all paved areas that aren't along the street). I don't know if there is a way to isolate this.

After obtaining the tree coverage contained within the street and sidewalk I would like to break this down by census tracts so I can see whether there is a correlation between street tree coverage and median household income. I am not sure how this would break down along census tract borders which run through the middle of the street. Does anyone know about a better way to go about this? I am using ArcGIS 10.3. I saw that there are tools available for measuring street tree inventory but I think this is only available for ArcGIS Pro. I would greatly appreciate any suggestions. I like this project idea but I'm struggling to know how to go about it.

Which GIS tool can I use to create something similar to this -- embedding boxes with values to a map? The colors of the boxes are assigned using a value. Is Bokeh (from Python capable of doing this?)

For more info, I want this to be embeddable on a website and values should change depending on the selected value.

https://preview.redd.it/wkc5o40lqez61.jpg?width=1100&format=pjpg&auto=webp&s=4185d360d787358d5e65c8c7ec705e60c591d48b

Thanks for taking a look at this and please let me know if there's a better place to post this question.

I work for a parks department (no, not Pawnee IN). We're working on a way to make easily distribute bike-able routes using both our trails and appropriate streets. I've figured out how to generate a GPX file of the route (AutoCad, ArcMap and gpxstudio.github.io for timestamps). The problem is that a lot of the apps like Strava etc require a premium account to import a GPX.

So I'm trying to do this with Google. I can create the route in Google's MyMaps pretty easily. But it looks like I have to specifically "share" the route to another Google account to get it to upload into the Google Maps app on my phone and use it for directions.

Anyone have any ideas how to get around this or another way of getting this done?

Thanks

My company has a database application (Paradox - might be old software, not sure if it is common or not) that has a bunch of information stored for each job, such as:

File#, address, type of job, client name etcetc

I'd like to be able to import the csv data into a simple and clean GIS map, as it would be very useful to see the location of previous jobs at a glance, be able to click the node to display some information such as address and file#, and have job types on different layers so they can be toggled on/off.

I've got basic coding and gis knowledge, but not sure where to get started. Specifically whatever (free) software would be best suited for my simple needs

I'm an intro GIS class and have a final project due, and need some basic ideas I could use for my project. Anyone have some ideas, and around where I might be able to find some data with them?

So I am trying to get an undergrad GIS capstone done so I can finally gradate, and I am assessing the question "Do rivers affect the likelihood of tornado strike for communities near the water. This project is the first of significant scale I've had to do, and I'm wondering if anyone here has any tips for how to get it done. I have some layer files I picked up from NOAA and ESRI online, and some vaguely relevant journal articles, but I really don't know what I'm doing.

There's a tendency for 'historic estates' in the American South to gloss over their central roles in slavery, so it's difficult to know which estates actually employed slaves in the past. Does anyone know of datasets with this info?

Hello. My GIS skills are rudimentary at best (spent 1 semester learning ArcGIS Online through web tutorials/pdfs) and I am taking more GIS classes this coming spring semester. I have just installed QGIS to get my feet more wet, but since I already know the basics of ArcGIS Online I have signed up for an internship at the park I work at and was wondering if someone could point me in the right direction in terms of where to find the data I am looking for.

I am trying to do a coastal erosion change analysis by georeferenceing a group of points along the shore of the lake front Park and find out the change in erosion and deposition over the course of ~20 years. Basically, I need aerial images for this small part of land off the coast of Lake Erie as well as elevation data. Their beach has been slowly eaten away by the lake and my goal here is to quantify and report the erosion/deposition that is occurring. I apologize of I sound like a huge noob, trying to use all the resources I can before I get going on it. My academic advisor will be out of the office for a portion of the semester so his help will be limited on my end, and the park seems super lenient in terms of what they want so I am feeling a little lost. Thanks in advanced

Hello!

I was hoping for some help on ideas for a research question I can use as the basis of a GIS mapping project.

I'm in a GIS class at the moment and want to focus more on the mapping aspect than the data collection side at the moment. That's not to say data collection isn't a factor, I just don't plan on hiking all over the hills measuring trees and such for this one and plan on using USFS or another organization's data.

I live in the northwest part of the USA and wouldn't mind doing something related to the region.

If it helps, my focus is on fish and wildlife ecology and watershed management.

EDIT: I've narrowed it to a project based around the Upper Clark Fork river in SW Montana. Specifically I think I want to look at the effect of remediation efforts in the region on Brown Trout populations on the upper stretch.

The geographic boundaries likely to be from the "PH Shack" At the river's headwaters, just north of the Warm Springs Settling Ponds to either Deer Lodge or perhaps Garrison, which is the upper limit of "Zone 1", as I recall from the remediation planning maps. I'll have to nail this down more exactly, for sure, but that's a start.

So far I've found data that gives me counts, avg. length, and avg. weight. Thanks MTFWP!

Xposted on /r/gis, /r/mapprojects, /r/environmental_science, /r/environment, and /r/ecology. I may have cast a wide net...

I'm trying to download some ACS data from data.census.gov, and every time I hit download .csv, it gives me a .json instead. Does anyone know why this is happening and how I can use those files?

All I want in life is a program which takes these three inputs:

Size of output page (A4, A3, 36"x36", whatever),

Lat/Lon at the centre of the page (or of one corner),

Map scale (1:300, 1:50000, 1:63360, whatever. But it should accept up to 1:200000 at least and preferably 1:2000000).

And produces a printable file (PDF, png, whatever) using OSM data in some reasonable style (I'm not very fussy after a few days hunting on the Internet).

This is surely the lowest of low bars for any mapping software. Is there such a program?

The thesis is: ESRI and QGIS project compatibility using the SLYR plugin

Main goal is to summarize this topic by analyzing file and data formats mostly used in desktop GIS in regards of their compatibility between proprietary (ESRI) software (mostly ArcMap, no access to ArcPro) and open source software mainly QGIS.

Outputs of this thesis should be:

1. Comprehensive coverage and critique of file compatibility in desktop GIS.
2. Case study of SLYR plugin (https://north-road.com/slyr/) as a probably the most successful solution the problem of proprietary vs opensource problem.
3. Manual or set of recommendations how to style / save / generally edit the map project so that best possible map project conversion is achieved.

I come here asking for help, because i feel like I am quite lost. Regarding the first point, i would like to know if there is some comprehensive resource (some "bible") regarding this topic.

Anyway the main reason why am I looking here for help is regarding the 3rd point. My idea was to go thru conversion of as many map projects as i can manage and try to summarize the errors that occur and try to come up with alternative solution for better conversion (via editing of the source project or the QGIS result). Problem is that i don't have enough ESRI projects. One way would be to create my own, but for that i don't have enough time and probably also qualification (i probably would not come up with "comprehensive" sample of methods that are used). Based on that I am looking for source / provider of ESRI map projects if there is some.

I also could offer a conversion service for esri projects for free.

TO sum it up, Iam looking for:

1. some source of information regarding desktop gis interoperability
2. some source of ESRI map projects, templates, layer definition files etc.
3. some sources of .style dataformat

Does anyone know how to integrate maps as well as good source data I could use? What I want to do, since it's clear I'll be working remote quite possibly indefinitely, is start researching where I'd like to live. I miss doing amateur astronomy so I'd love to find a way of overlaying maps of each of the following:

--Bortle indices (light intensity)

--High speed internet

--Number of nights with the temperature above XºF

--Annual precipitation

--Property values

--Hardiness zones (for gardening / planting fruit trees)

Ideally, I'd like to find an affordable way to go not-quite-off-grid-but-close. Continental US only.

Any thoughts are appreciated.

Hello, I need to work on a project to make three animated data maps. I would like the ability to show change incrementally over time and I was wondering if anyone out there had any recommendations on the best software to approach something like this.

I was going to use Excel and then animate the results in either Harmony animation software or Adobe After Effects but I feel like this might be inefficient / lead to inaccuracies. I have some experience with animated maps but these should be a little more formal.

Any insight is very appreciated!

Edit: After doing some research, I should also let you know that I can't write code.

This is my first time posting here, so sorry if this isnt the right place for this. Maybe this is too basic for this sub, but Im a bit stuck.

Im using MapCustomizer ( https://www.mapcustomizer.com/ ) to keep track of all the municipalities/cities/towns/settlements I visit over time. However, I want to use colour to distinguish between the size of the settlements, to easily tell the difference between a village, a town, a small city, and a metropolis for example.

I have 7 easily distinguishable colours I can use, and values varying from villages of 200 inhabitants, to London, a city of around 8 Million- and everything in between, for a total of under 200 different municipalities.

I vaguely remember in high school geography that there was a formula for dividing data into colours that could be plotted on a map, but for the life of me I can't remember it, nor can I find it online.

Essentially, what I need is a way to divide my towns and cities into 7 ranks or groups of fairly similar sizes which isnt completely arbitrary. Is there a way to do this? How do you reccomend I split up and group this data?

Thank you in advance!

Apologies in advance if this is wayyy below the average skill level for this sub.

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I've been toying with the idea of doing a (crowdfunded? passion project?) documentary about a subdivision in my city that was among the first planned communities in the country. Some of the original residents from the 1950s are still alive and in their original homes, so time is ticking.

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To pitch the idea and add some pop to the project, I'm imagining showing before-during-after images of the area, to show how things developed, and what was at familiar landmarks in the past. Flyovers, then/now dissolves ... it's more 'oooh!' than 'daaaaata!' but that data makes it possible, yes?

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I've sourced a few series of aerial survey photos from a local University database. Images from 1922 and 1942 are JPG and meh-resolution. Sets from the 50s and 60s are GEOTIFFs. More recent images are not available in the databases I see, but we've got Google Earth and whatnot.

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I took a crack at learning more about how to do this, downloading some software that assembled the GEOTIFFs into a larger image (with ugly overlapping margins) and I even got it to layer into Google Earth. But, I was clearly out of my element and over my head. I got SOMETHING to work a LITTLE but it was just a tease for what someone with knowhow could probably do easily.

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So I went to Fiverr and looked up GIS folks and Photoshoppy folks. I haven't found anyone who's a good match.

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What do you recommend?

Big thanks in advance.

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EDIT: The source images I've got are here: https://www.dropbox.com/sh/fz50sl4quy9ucvv/AACHi7DDdfFnMpN1p-32Qjr8a?dl=0

I currently have the GeoJSON files containing the census/administrative polygons and metrics associated with them. However, I want to add the ability to view that same data with custom polygons. For example:

• I want to drop a marker and view the metrics in a 5km radius
• I want to draw a rectangle and view the metrics only in that area

Could you please recommend the best way to approach this problem - right now I am thinking along the lines of finding the % intersection of the custom polygon with the underlying administrative polygon to get the proportionate metrics. Is this even feasible?

I am attempting to create a route map for a large distribution area. Using Arc GIS Pro, is it possible to auto-polygon this area? I need it broken down into 70(ish) roughly even polygons, would be even better if the polygons could follow street lines but I may be hoping for too much. I need to keep each poly to encompass about 25-30 homes each.

I did a smaller similar project on Qgis but I did each poly by hand, I need it to look something like this:

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https://preview.redd.it/glog4sg3w2851.jpg?width=494&format=pjpg&auto=webp&s=eba6570fcd3576e027facb271223d185e31803bd

Thoughts or ideas? Even if the polys were roughly equivalent I could manually move them around.

Thanks!

I have been gathering landmark locations, wagon trails, four wheeler trails, fence lines, and springs on my property for the past couple of years using onX Hunt. I have taken an intro to GIS in college and I am familiar with arcGIS and it’s other programs. I am wanting to port over my collected data from onX and overlay it with the states cadastral layers to print it out on a larger printer for detail. What would be a free program to do this on that would be similar to arcGIS? A Proffessor said there was a free arcGIS program but you had to know a lot of the coding to do that.

Preferred if the program won’t turn around and upload my collected data for the trails to a open source site. We have a problem with trespassers and that data being put out would make it difficult.