You're welcome.
On Wednesday, October 17, 2012 7:06:01 PM UTC-4, Jose wrote:
>
> Thank you very much, that helped! Now I'll use other chart options to fine
> tune it a bit to look similar to my excel charts.
> Really appreciate the help asgallant!
>
> On Wednesday, October 17, 2012 10:31:40 AM UTC-7, asgallant wrote:
>>
>> D'oh! My mistake, I did change something else. The (float) typing
>> converts null into 0, so you have to test for null and handle it specially.
>> In your php file, the while loop should look like this:
>>
>> while($r = mysql_fetch_assoc($sth)) {
>> $temp = array();
>> $temp[] = array('v' => (float) $r['PsiBar']);
>> $temp[] = array('v' => (is_null($r['prodPerct1'])) ? null : (float)
>> $r['prodPerct1']);
>> $temp[] = array('v' => (is_null($r['prodPerct2'])) ? null : (float)
>> $r['prodPerct2']);
>> $temp[] = array('v' => (is_null($r['prodPerct3'])) ? null : (float)
>> $r['prodPerct3']);
>> $rows[] = array('c' => $temp);
>> }
>>
>> although, since your data is already in numerical form (and thus you
>> don't have to force it to be type float), you can go with the simpler:
>>
>> while($r = mysql_fetch_assoc($sth)) {
>> $temp = array();
>> $temp[] = array('v' => $r['PsiBar']);
>> $temp[] = array('v' => $r['prodPerct1']);
>> $temp[] = array('v' => $r['prodPerct2']);
>> $temp[] = array('v' => $r['prodPerct3']);
>> $rows[] = array('c' => $temp);
>> }
>>
>> It's also a good idea to force the mime type to application/json by
>> setting the header, before you echo the json:
>>
>> header("Content-type: application/json");
>> echo $jsonTable;
>>
>> On Wednesday, October 17, 2012 10:54:15 AM UTC-4, asgallant wrote:
>>>
>>> I used your code exactly as it appears in the files you posted, except
>>> for the modifications mentioned. I didn't save a copy, though, so I can't
>>> post them back. I'll see if I can duplicate it later today.
>>>
>>> On Wednesday, October 17, 2012 10:11:01 AM UTC-4, Jose wrote:
>>>>
>>>> Asgallant, I tried it again and still the same results, although I did
>>>> add that var option but it didn't help. I'm wondering if its something
>>>> else
>>>> in your scripts/code that is different than mine. If you could post those,
>>>> that would be great.
>>>> As another non sufficient way, could three separate SQL calls be made
>>>> then plot the results onto the same chart?
>>>>
>>>> On Tuesday, October 16, 2012 10:16:00 AM UTC-7, asgallant wrote:
>>>>>
>>>>> I duplicated your table and ran the query, and Method 2 looked right
>>>>> to me. I had to make 1 small change to the SQL to make it run (but that
>>>>> could be a quirk of my MySQL install), and 1 change to the chart options.
>>>>> The SQL looked like this:
>>>>>
>>>>> SELECT
>>>>> foo.PsiBar,
>>>>> IF(prodPerct1 = 0, null, foo.prodPerct1) as prodPerct1,
>>>>> IF(prodPerct2 = 0, null, foo.prodPerct2) as prodPerct2,
>>>>> IF(prodPerct3 = 0, null, foo.prodPerct3) as prodPerct3
>>>>> FROM (
>>>>> SELECT
>>>>> PsiBar,
>>>>> SUM(IF(id_sample = 1, prodPerct, null)) AS prodPerct1,
>>>>> SUM(IF(id_sample = 2, prodPerct, null)) AS prodPerct2,
>>>>> SUM(IF(id_sample = 3, prodPerct, null)) AS prodPerct3
>>>>> FROM tbl_dilution
>>>>> GROUP BY PsiBar
>>>>> ) AS foo
>>>>>
>>>>> and I set the "interpolateNulls" chart option to true:
>>>>>
>>>>> var options = {
>>>>> title: 'Line Chart Test',
>>>>> interpolateNulls: true
>>>>> };
>>>>>
>>>>>
>>>>> On Tuesday, October 16, 2012 12:51:40 PM UTC-4, Jose wrote:
>>>>>>
>>>>>> I gave both a try and neither looked as it should. Method 2 displays
>>>>>> the chart as it did previous where it was plotting the null '0' values.
>>>>>>
>>>>>> On Monday, October 15, 2012 9:38:58 PM UTC-7, asgallant wrote:
>>>>>>>
>>>>>>> Hmmm...I can see two ways of handling that. One results in a messy
>>>>>>> DataTable, and will probably work; the other results in a cleaner
>>>>>>> DataTable, but might not work.
>>>>>>>
>>>>>>> Method 1: change the SQL statement to this:
>>>>>>> SELECT
>>>>>>> PsiBar,
>>>>>>> IF(id_sample = 1, prodPerct, null) AS prodPerct1,
>>>>>>> IF(id_sample = 2, prodPerct, null) AS prodPerct2,
>>>>>>> IF(id_sample = 3, prodPerct, null) AS prodPerct3
>>>>>>> FROM tbl_dilution
>>>>>>>
>>>>>>> removing the sums and the group by clause. This will result in more
>>>>>>> rows of data (with duplicate domain column entries) than necessary.
>>>>>>>
>>>>>>> Method 2: this will work only if 0 is not a valid value for your
>>>>>>> data points to have. Change the SQL to this:
>>>>>>>
>>>>>>>
>>>>>>> SELECT
>>>>>>> PsiBar,
>>>>>>> IF(prodPerct1 = 0, null, prodPerct1) as prodPerct1,
>>>>>>> IF(prodPerct2 = 0, null, prodPerct2) as prodPerct2,
>>>>>>> IF(prodPerct3 = 0, null, prodPerct3) as prodPerct3
>>>>>>> FROM (
>>>>>>> SELECT
>>>>>>> PsiBar,
>>>>>>> SUM(IF(id_sample = 1, prodPerct, null)) AS prodPerct1,
>>>>>>> SUM(IF(id_sample = 2, prodPerct, null)) AS prodPerct2,
>>>>>>> SUM(IF(id_sample = 3, prodPerct, null)) AS prodPerct3
>>>>>>> FROM tbl_dilution
>>>>>>> GROUP BY PsiBar
>>>>>>> ) AS foo
>>>>>>>
>>>>>>> which tests to see if the sum is 0, and if it is, sets the value to
>>>>>>> null instead. The DataTable will be cleaner, but it won't work if your
>>>>>>> values can be 0.
>>>>>>>
>>>>>>> On Monday, October 15, 2012 6:45:51 PM UTC-4, Jose wrote:
>>>>>>>>
>>>>>>>> asgallant, you are right, I am trying to get three lines plotted
>>>>>>>> for each 'id_sample'. Within each id group, there are 12 plot points.
>>>>>>>> I've tried the code you provided, thanks, but it appears to also
>>>>>>>> plot the null values '0' between each data point. How do I fix this?
>>>>>>>>
>>>>>>>> {"cols":[{"label":"PsiBar","type":"number"},{"label":"Series
>>>>>>>> 1","type":"number"},{"label":"Series
>>>>>>>> 2","type":"number"},{"label":"Series
>>>>>>>> 3","type":"number"}],"rows":[{"c":[{"v":0.39},{"v":0.36},{"v":0},{"v":0}]},{"c":[{"v":0.5},{"v":0},{"v":0.26},{"v":0.11}]},{"c":[{"v":0.56},{"v":0.49},{"v":0.34},{"v":0}]},{"c":[{"v":0.57},{"v":0},{"v":0},{"v":0.16}]},{"c":[{"v":0.84},{"v":0.56},{"v":0.41},{"v":0.15}]},{"c":[{"v":1.01},{"v":0.62},{"v":0.42},{"v":0}]},{"c":[{"v":1.02},{"v":0},{"v":0},{"v":0.24}]},{"c":[{"v":1.3},{"v":0.66},{"v":0.49},{"v":0}]},{"c":[{"v":1.31},{"v":0},{"v":0},{"v":0.26}]},{"c":[{"v":1.45},{"v":0.66},{"v":0.5},{"v":0.27}]},{"c":[{"v":1.74},{"v":0},{"v":0.52},{"v":0}]},{"c":[{"v":1.75},{"v":0.68},{"v":0},{"v":0.28}]},{"c":[{"v":2.1},{"v":0},{"v":0},{"v":0.28}]},{"c":[{"v":2.11},{"v":0},{"v":0.52},{"v":0}]},{"c":[{"v":2.12},{"v":0.68},{"v":0},{"v":0}]},{"c":[{"v":2.57},{"v":0},{"v":0.49},{"v":0.27}]},{"c":[{"v":2.58},{"v":0.65},{"v":0},{"v":0}]},{"c":[{"v":3.07},{"v":0},{"v":0},{"v":0.25}]},{"c":[{"v":3.09},{"v":0.6},{"v":0.46},{"v":0}]},{"c":[{"v":3.56},{"v":0.56},{"v":0},{"v":0.23}]},{"c":[{"v":3.57},{"v":0},{"v":0.42},{"v":0}]},{"c":[{"v":4.23},{"v":0},{"v":0},{"v":0.21}]},{"c":[{"v":4.34},{"v":0},{"v":0.39},{"v":0}]},{"c":[{"v":4.36},{"v":0.51},{"v":0},{"v":0}]}]}
>>>>>>>>
>>>>>>>> Really appreciate your help on this!
>>>>>>>>
>>>>>>>> On Thursday, October 11, 2012 12:43:03 PM UTC-7, asgallant wrote:
>>>>>>>>>
>>>>>>>>> You're not charting 3 series there, you have 1 series. Looking at
>>>>>>>>> your SQL table, I would guess that you want to display one series for
>>>>>>>>> each
>>>>>>>>> sample id, right? If so, then you need to break out the "prodPerct"
>>>>>>>>> column
>>>>>>>>> into 3 different columns - 1 for each series. This is probably best
>>>>>>>>> achieved in SQL, maybe with a query like this:
>>>>>>>>>
>>>>>>>>> SELECT
>>>>>>>>> PsiBar,
>>>>>>>>> SUM(IF(id_sample = 1, prodPerct, null)) AS prodPerct1,
>>>>>>>>> SUM(IF(id_sample = 2, prodPerct, null)) AS prodPerct2,
>>>>>>>>> SUM(IF(id_sample = 3, prodPerct, null)) AS prodPerct3
>>>>>>>>> FROM tbl_dilution
>>>>>>>>> GROUP BY PsiBar
>>>>>>>>>
>>>>>>>>> and then use this to build the table:
>>>>>>>>>
>>>>>>>>> $table['cols'] = array(
>>>>>>>>> array('label' => 'PsiBar', 'type' => 'number'),
>>>>>>>>> array('label' => 'Series 1', 'type' => 'number')
>>>>>>>>> array('label' => 'Series 2', 'type' => 'number')
>>>>>>>>> array('label' => 'Series 3', 'type' => 'number')
>>>>>>>>> );
>>>>>>>>>
>>>>>>>>> $rows = array();
>>>>>>>>> while($r = mysql_fetch_assoc($sth)) {
>>>>>>>>> $temp = array();
>>>>>>>>> $temp[] = array('v' => (float) $r['psiBar']);
>>>>>>>>> $temp[] = array('v' => (float) $r['prodPerct1']);
>>>>>>>>> $temp[] = array('v' => (float) $r['prodPerct2']);
>>>>>>>>> $temp[] = array('v' => (float) $r['prodPerct3']);
>>>>>>>>> $rows[] = array('c' => $temp);
>>>>>>>>> }
>>>>>>>>>
>>>>>>>>> On Thursday, October 11, 2012 12:50:04 PM UTC-4, Jose wrote:
>>>>>>>>>>
>>>>>>>>>> Hi asgallant,
>>>>>>>>>>
>>>>>>>>>> Seeing Diana's example, I tried doing something similar with a
>>>>>>>>>> Line graph but it's not coming out as I'd like.
>>>>>>>>>> It displays the three series but links them all together instead
>>>>>>>>>> of individually displaying them (lineChart.jpg).
>>>>>>>>>> What I'm trying to achieve, is something similar to how it's
>>>>>>>>>> displayed in Excel (chart_xls.jpg).
>>>>>>>>>> If you could help me in the right direction, I'd appreciate it
>>>>>>>>>> alot as I have been trying various things and the outcome
>>>>>>>>>> isn't what I'm expecting.
>>>>>>>>>>
>>>>>>>>>> José
>>>>>>>>>>
>>>>>>>>>> On Wednesday, September 26, 2012 10:11:01 AM UTC-7, asgallant
>>>>>>>>>> wrote:
>>>>>>>>>>>
>>>>>>>>>>> What is throwing that error message? Is it PHP?
>>>>>>>>>>>
>>>>>>>>>>> You will have to adjust the data types to the type of data you
>>>>>>>>>>> are using, so if your first column isn't type string, you need to
>>>>>>>>>>> change it
>>>>>>>>>>> to something else in the column definitions (this goes for all
>>>>>>>>>>> columns -
>>>>>>>>>>> types must always match). Also, the (string) typecasting in this
>>>>>>>>>>> line:
>>>>>>>>>>>
>>>>>>>>>>> $temp[] = array('v' => (string) $r['PLACA']);
>>>>>>>>>>>
>>>>>>>>>>> is probably not necessary, unless you have a non-string data
>>>>>>>>>>> type that you need to specifically convert into a string.
>>>>>>>>>>>
>>>>>>>>>>> If you can post a link to the page, I can help debug things on
>>>>>>>>>>> the javascript end, if it turns out that is where the problem is.
>>>>>>>>>>>
>>>>>>>>>>> On Wednesday, September 26, 2012 4:47:20 AM UTC-4, Barbara
>>>>>>>>>>> Gerstl wrote:
>>>>>>>>>>>>
>>>>>>>>>>>> That is what I did... but, when opening goochart2.html, the
>>>>>>>>>>>> result is the Error-Massage "string".
>>>>>>>>>>>> I think, it has something to do with the field settings of the
>>>>>>>>>>>> columns. Do you have any tipps?
>>>>>>>>>>>>
>>>>>>>>>>>> Thank you!
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> Am Montag, 24. September 2012 19:26:26 UTC+2 schrieb asgallant:
>>>>>>>>>>>>>
>>>>>>>>>>>>> You can extrapolate from the code that the table has 6
>>>>>>>>>>>>> columns: PLACA, S1, S2, S3, S4, S5.
>>>>>>>>>>>>>
>>>>>>>>>>>>> On Monday, September 24, 2012 10:15:44 AM UTC-4, Barbara
>>>>>>>>>>>>> Gerstl wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Hello Diana!
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Thank you very much for showing the whole process on how to
>>>>>>>>>>>>>> combine Google Graph API with a MySQL-Database. That is exactly
>>>>>>>>>>>>>> what I am
>>>>>>>>>>>>>> looking for.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> I tried to rebuild your example and I am having problems with
>>>>>>>>>>>>>> the structure of the database/field settings. Can you show me
>>>>>>>>>>>>>> structure and
>>>>>>>>>>>>>> field settings of the table "bd_salidas"?
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Thank you for your answer.
>>>>>>>>>>>>>> Barbara
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Am Mittwoch, 5. September 2012 21:56:35 UTC+2 schrieb Diana
>>>>>>>>>>>>>> Flores:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> yeaaaaaaahhhHHHH!!!!, we did it!!!!!!!!!!!!!. well at first
>>>>>>>>>>>>>>> i tried the .DataTable(jsonData); but it gave me errors but i
>>>>>>>>>>>>>>> put the
>>>>>>>>>>>>>>> JSON.parse(jsonData)); and it works!!!!!!!!!!!!!!!!!!....im so
>>>>>>>>>>>>>>> happy!!! i
>>>>>>>>>>>>>>> will attach the files in case someone has the same
>>>>>>>>>>>>>>> problem!!!!!!!!....really really grateful, cause with your help
>>>>>>>>>>>>>>> i learned a
>>>>>>>>>>>>>>> lot of things!!!!....one month ago I was "what its php or
>>>>>>>>>>>>>>> mysql....JSON
>>>>>>>>>>>>>>> O_O???" i think its a lot, but thanks!!!!
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
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