MapTest | 这是一款关于高德地图的一些自定义Marker为后台返回的图片,固定Marker移动地图进行定位,多点聚合以及路线规划
kandi X-RAY | MapTest Summary
kandi X-RAY | MapTest Summary
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QUESTION
Using react hooks and google maps API I have a code that puts a marker on the map but I don't know add show directions in this code. I searched but couldn't find a map example that includes both and also there is no definite google maps documentation for react hooks. I believe many other people are wondering this too, adding a marker and directions same map in react. I don't want to ask nonspecific questions but I have to. Thank you in advance
My goal is that the map component shows the location as a marker but I have directions too.
Only pins marker working code HERE
Here is my map component I've tried to implement directions but not worked.
MapTest.js
...ANSWER
Answered 2021-Mar-21 at 23:06You can use the google.maps.DirectionsService() to call the Google Maps Directions API and google.maps.DirectionsRenderer() to display the directions to the map. You can instantiate them inside of your useEffect, bind the DirectionsRenderer to your map using setMap() then pass them in the function
calcRoute(directionsService, directionsRenderer)` that will call the DirectionService:
QUESTION
def MapTest = [:]
List b = [["abc",1.0], ["def",20.0], ["abc",300.0]]
MapTest = b.groupBy {it[0]}.collectEntries {[(it.key): it.value.sum {it[1]}]}
...ANSWER
Answered 2020-Sep-10 at 21:41seems you have kind a CompileStatic
groovy transformer activated in oracle
the following code will give you an error in console:
QUESTION
Is it possible to send map as parameter in a GET call.? i searched and i could find for list and set collection. But did not find anything for map collection.
I tried the following, My controller method looks like this.
...ANSWER
Answered 2018-Feb-16 at 09:20This is documented in the Spring MVC guide:
When an
@RequestParam
annotation is declared asMap
orMultiValueMap
argument, the map is populated with all request parameters.
This means that the response you currently get is the expected result. The Map
contains a list of all parameters, and in your case, you only have a single parameter called param
.
If you need a custom parameter mapping, you'll have to implement it by yourself. Since you're not using JSON either, you probably have to manually parse the parameter.
However, if your goal is to have a dynamic map of parameters, you can still use the Map
, but you'll have to change your request into:
QUESTION
Can you please show how to serialize/desierialize a map<> to/from json in dart? For example, here's a simple data Class:
...ANSWER
Answered 2020-May-09 at 05:47The encoding/decoding is correct, only that JSON only allows strings as the key.
Change _mapHell
to Map
will work fine.
QUESTION
ANSWER
Answered 2020-Mar-03 at 10:59You can format the datetime
QUESTION
I am new to the Map class and I was wondering what I am doing wrong. Below is the class I am working on to learn Maps.
...ANSWER
Answered 2020-Feb-06 at 18:34You are checking the wrong predicate in the for loop. This will do the job:
QUESTION
I am using Xamarin.Forms.Maps
as a ContentPresenter of ControlTemplate
.
When the control template is changed and move map to some area, the map has been reloaded with own initial position.
The buttons below my example code can change the control template.
Can it be resolved?
What do I do? please figure out.
...ANSWER
Answered 2020-Feb-06 at 08:38I test it. I found this issue just happened in the Map controls. If we used Button
Entry
or Image
, all of them will not reload, when change the control template. Here are two running GIF.
used Button
Entry
or Image
used map
If you still want to achieve this result, my workaround is not use this ControlTemplate
. Just use Gird to put control. Updating the location by map API.
Here is running gif.
Here is my layout.
QUESTION
I have a node type like the following :
...ANSWER
Answered 2019-Dec-31 at 15:46QUESTION
I understand that the title might add a little confusion, I'll do my best to explain it here. I'm trying to create an app for a charity, and they want a map for their site that they can navigate around. I'm currently using the google maps overlay function. I've almost got the desired outcome, but there are a few things I can't get my head around.
...ANSWER
Answered 2019-Dec-30 at 19:47This is possible. Please have a look at Google's documentation on Setting boundaries.
Code snippet to set the camera to the greatest possible zoom level within bounds:
QUESTION
I am trying to launch Google maps on my Server side Blazor app using JSInterop. I seem to have tried just about everything but can't get the map to show. Unfortunately there is very little samples if any about it on the internet since it's a fairly new framework and I am equally just getting my feet wet on Blazor myself, so I am probably doing a whole lot of things wrong. Any nudge in the right direction would be appreciated.
In my component file, I have:
...ANSWER
Answered 2019-Dec-30 at 10:25Welcome @flylily, you are almost done. I run your code in my sample Blazor-server-side
project. I only change two things. One is change height from percentage to pixel (for percentage height HTML 5) and another is invoke initialize
function insteed of Showgooglemap
becasuse initialize
function already initialize your map on page load
or first render
. The complete codes are in following, try with these...
_Host.cshtml file,
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You can use MapTest like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the MapTest component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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